Add FLAC to trunk/deps/third_party/....

flac/src/libFLAC/stream_encoder.c

+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007  Josh Coalson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#if defined _MSC_VER || defined __MINGW32__
+#include <io.h> /* for _setmode() */
+#include <fcntl.h> /* for _O_BINARY */
+#endif
+#if defined __CYGWIN__ || defined __EMX__
+#include <io.h> /* for setmode(), O_BINARY */
+#include <fcntl.h> /* for _O_BINARY */
+#endif
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h> /* for malloc() */
+#include <string.h> /* for memcpy() */
+#include <sys/types.h> /* for off_t */
+#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
+#if _MSC_VER <= 1600 || defined __BORLANDC__ /* @@@ [2G limit] */
+#define fseeko fseek
+#define ftello ftell
+#endif
+#endif
+#include "FLAC/assert.h"
+#include "FLAC/stream_decoder.h"
+#include "share/alloc.h"
+#include "protected/stream_encoder.h"
+#include "private/bitwriter.h"
+#include "private/bitmath.h"
+#include "private/crc.h"
+#include "private/cpu.h"
+#include "private/fixed.h"
+#include "private/format.h"
+#include "private/lpc.h"
+#include "private/md5.h"
+#include "private/memory.h"
+#if FLAC__HAS_OGG
+#include "private/ogg_helper.h"
+#include "private/ogg_mapping.h"
+#endif
+#include "private/stream_encoder_framing.h"
+#include "private/window.h"
+
+#ifndef FLaC__INLINE
+#define FLaC__INLINE
+#endif
+
+#ifdef min
+#undef min
+#endif
+#define min(x,y) ((x)<(y)?(x):(y))
+
+#ifdef max
+#undef max
+#endif
+#define max(x,y) ((x)>(y)?(x):(y))
+
+/* Exact Rice codeword length calculation is off by default.  The simple
+ * (and fast) estimation (of how many bits a residual value will be
+ * encoded with) in this encoder is very good, almost always yielding
+ * compression within 0.1% of exact calculation.
+ */
+#undef EXACT_RICE_BITS_CALCULATION
+/* Rice parameter searching is off by default.  The simple (and fast)
+ * parameter estimation in this encoder is very good, almost always
+ * yielding compression within 0.1% of the optimal parameters.
+ */
+#undef ENABLE_RICE_PARAMETER_SEARCH 
+
+
+typedef struct {
+        FLAC__int32 *data[FLAC__MAX_CHANNELS];
+        unsigned size; /* of each data[] in samples */
+        unsigned tail;
+} verify_input_fifo;
+
+typedef struct {
+        const FLAC__byte *data;
+        unsigned capacity;
+        unsigned bytes;
+} verify_output;
+
+typedef enum {
+        ENCODER_IN_MAGIC = 0,
+        ENCODER_IN_METADATA = 1,
+        ENCODER_IN_AUDIO = 2
+} EncoderStateHint;
+
+static struct CompressionLevels {
+        FLAC__bool do_mid_side_stereo;
+        FLAC__bool loose_mid_side_stereo;
+        unsigned max_lpc_order;
+        unsigned qlp_coeff_precision;
+        FLAC__bool do_qlp_coeff_prec_search;
+        FLAC__bool do_escape_coding;
+        FLAC__bool do_exhaustive_model_search;
+        unsigned min_residual_partition_order;
+        unsigned max_residual_partition_order;
+        unsigned rice_parameter_search_dist;
+} compression_levels_[] = {
+        { false, false,  0, 0, false, false, false, 0, 3, 0 },
+        { true , true ,  0, 0, false, false, false, 0, 3, 0 },
+        { true , false,  0, 0, false, false, false, 0, 3, 0 },
+        { false, false,  6, 0, false, false, false, 0, 4, 0 },
+        { true , true ,  8, 0, false, false, false, 0, 4, 0 },
+        { true , false,  8, 0, false, false, false, 0, 5, 0 },
+        { true , false,  8, 0, false, false, false, 0, 6, 0 },
+        { true , false,  8, 0, false, false, true , 0, 6, 0 },
+        { true , false, 12, 0, false, false, true , 0, 6, 0 }
+};
+
+
+/***********************************************************************
+ *
+ * Private class method prototypes
+ *
+ ***********************************************************************/
+
+static void set_defaults_(FLAC__StreamEncoder *encoder);
+static void free_(FLAC__StreamEncoder *encoder);
+static FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_blocksize);
+static FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples, FLAC__bool is_last_block);
+static FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, FLAC__bool is_last_block);
+static void update_metadata_(const FLAC__StreamEncoder *encoder);
+#if FLAC__HAS_OGG
+static void update_ogg_metadata_(FLAC__StreamEncoder *encoder);
+#endif
+static FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block, FLAC__bool is_last_block);
+static FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block);
+
+static FLAC__bool process_subframe_(
+        FLAC__StreamEncoder *encoder,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        const FLAC__FrameHeader *frame_header,
+        unsigned subframe_bps,
+        const FLAC__int32 integer_signal[],
+        FLAC__Subframe *subframe[2],
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2],
+        FLAC__int32 *residual[2],
+        unsigned *best_subframe,
+        unsigned *best_bits
+);
+
+static FLAC__bool add_subframe_(
+        FLAC__StreamEncoder *encoder,
+        unsigned blocksize,
+        unsigned subframe_bps,
+        const FLAC__Subframe *subframe,
+        FLAC__BitWriter *frame
+);
+
+static unsigned evaluate_constant_subframe_(
+        FLAC__StreamEncoder *encoder,
+        const FLAC__int32 signal,
+        unsigned blocksize,
+        unsigned subframe_bps,
+        FLAC__Subframe *subframe
+);
+
+static unsigned evaluate_fixed_subframe_(
+        FLAC__StreamEncoder *encoder,
+        const FLAC__int32 signal[],
+        FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned raw_bits_per_partition[],
+        unsigned blocksize,
+        unsigned subframe_bps,
+        unsigned order,
+        unsigned rice_parameter,
+        unsigned rice_parameter_limit,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        FLAC__bool do_escape_coding,
+        unsigned rice_parameter_search_dist,
+        FLAC__Subframe *subframe,
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
+);
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+static unsigned evaluate_lpc_subframe_(
+        FLAC__StreamEncoder *encoder,
+        const FLAC__int32 signal[],
+        FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned raw_bits_per_partition[],
+        const FLAC__real lp_coeff[],
+        unsigned blocksize,
+        unsigned subframe_bps,
+        unsigned order,
+        unsigned qlp_coeff_precision,
+        unsigned rice_parameter,
+        unsigned rice_parameter_limit,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        FLAC__bool do_escape_coding,
+        unsigned rice_parameter_search_dist,
+        FLAC__Subframe *subframe,
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
+);
+#endif
+
+static unsigned evaluate_verbatim_subframe_(
+        FLAC__StreamEncoder *encoder, 
+        const FLAC__int32 signal[],
+        unsigned blocksize,
+        unsigned subframe_bps,
+        FLAC__Subframe *subframe
+);
+
+static unsigned find_best_partition_order_(
+        struct FLAC__StreamEncoderPrivate *private_,
+        const FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned raw_bits_per_partition[],
+        unsigned residual_samples,
+        unsigned predictor_order,
+        unsigned rice_parameter,
+        unsigned rice_parameter_limit,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        unsigned bps,
+        FLAC__bool do_escape_coding,
+        unsigned rice_parameter_search_dist,
+        FLAC__EntropyCodingMethod *best_ecm
+);
+
+static void precompute_partition_info_sums_(
+        const FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned residual_samples,
+        unsigned predictor_order,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        unsigned bps
+);
+
+static void precompute_partition_info_escapes_(
+        const FLAC__int32 residual[],
+        unsigned raw_bits_per_partition[],
+        unsigned residual_samples,
+        unsigned predictor_order,
+        unsigned min_partition_order,
+        unsigned max_partition_order
+);
+
+static FLAC__bool set_partitioned_rice_(
+#ifdef EXACT_RICE_BITS_CALCULATION
+        const FLAC__int32 residual[],
+#endif
+        const FLAC__uint64 abs_residual_partition_sums[],
+        const unsigned raw_bits_per_partition[],
+        const unsigned residual_samples,
+        const unsigned predictor_order,
+        const unsigned suggested_rice_parameter,
+        const unsigned rice_parameter_limit,
+        const unsigned rice_parameter_search_dist,
+        const unsigned partition_order,
+        const FLAC__bool search_for_escapes,
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents,
+        unsigned *bits
+);
+
+static unsigned get_wasted_bits_(FLAC__int32 signal[], unsigned samples);
+
+/* verify-related routines: */
+static void append_to_verify_fifo_(
+        verify_input_fifo *fifo,
+        const FLAC__int32 * const input[],
+        unsigned input_offset,
+        unsigned channels,
+        unsigned wide_samples
+);
+
+static void append_to_verify_fifo_interleaved_(
+        verify_input_fifo *fifo,
+        const FLAC__int32 input[],
+        unsigned input_offset,
+        unsigned channels,
+        unsigned wide_samples
+);
+
+static FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
+static FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
+static void verify_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
+static void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
+
+static FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
+static FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data);
+static FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
+static FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data);
+static FILE *get_binary_stdout_(void);
+
+
+/***********************************************************************
+ *
+ * Private class data
+ *
+ ***********************************************************************/
+
+typedef struct FLAC__StreamEncoderPrivate {
+        unsigned input_capacity;                          /* current size (in samples) of the signal and residual buffers */
+        FLAC__int32 *integer_signal[FLAC__MAX_CHANNELS];  /* the integer version of the input signal */
+        FLAC__int32 *integer_signal_mid_side[2];          /* the integer version of the mid-side input signal (stereo only) */
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        FLAC__real *real_signal[FLAC__MAX_CHANNELS];      /* (@@@ currently unused) the floating-point version of the input signal */
+        FLAC__real *real_signal_mid_side[2];              /* (@@@ currently unused) the floating-point version of the mid-side input signal (stereo only) */
+        FLAC__real *window[FLAC__MAX_APODIZATION_FUNCTIONS]; /* the pre-computed floating-point window for each apodization function */
+        FLAC__real *windowed_signal;                      /* the integer_signal[] * current window[] */
+#endif
+        unsigned subframe_bps[FLAC__MAX_CHANNELS];        /* the effective bits per sample of the input signal (stream bps - wasted bits) */
+        unsigned subframe_bps_mid_side[2];                /* the effective bits per sample of the mid-side input signal (stream bps - wasted bits + 0/1) */
+        FLAC__int32 *residual_workspace[FLAC__MAX_CHANNELS][2]; /* each channel has a candidate and best workspace where the subframe residual signals will be stored */
+        FLAC__int32 *residual_workspace_mid_side[2][2];
+        FLAC__Subframe subframe_workspace[FLAC__MAX_CHANNELS][2];
+        FLAC__Subframe subframe_workspace_mid_side[2][2];
+        FLAC__Subframe *subframe_workspace_ptr[FLAC__MAX_CHANNELS][2];
+        FLAC__Subframe *subframe_workspace_ptr_mid_side[2][2];
+        FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_workspace[FLAC__MAX_CHANNELS][2];
+        FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_workspace_mid_side[FLAC__MAX_CHANNELS][2];
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr[FLAC__MAX_CHANNELS][2];
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr_mid_side[FLAC__MAX_CHANNELS][2];
+        unsigned best_subframe[FLAC__MAX_CHANNELS];       /* index (0 or 1) into 2nd dimension of the above workspaces */
+        unsigned best_subframe_mid_side[2];
+        unsigned best_subframe_bits[FLAC__MAX_CHANNELS];  /* size in bits of the best subframe for each channel */
+        unsigned best_subframe_bits_mid_side[2];
+        FLAC__uint64 *abs_residual_partition_sums;        /* workspace where the sum of abs(candidate residual) for each partition is stored */
+        unsigned *raw_bits_per_partition;                 /* workspace where the sum of silog2(candidate residual) for each partition is stored */
+        FLAC__BitWriter *frame;                           /* the current frame being worked on */
+        unsigned loose_mid_side_stereo_frames;            /* rounded number of frames the encoder will use before trying both independent and mid/side frames again */
+        unsigned loose_mid_side_stereo_frame_count;       /* number of frames using the current channel assignment */
+        FLAC__ChannelAssignment last_channel_assignment;
+        FLAC__StreamMetadata streaminfo;                  /* scratchpad for STREAMINFO as it is built */
+        FLAC__StreamMetadata_SeekTable *seek_table;       /* pointer into encoder->protected_->metadata_ where the seek table is */
+        unsigned current_sample_number;
+        unsigned current_frame_number;
+        FLAC__MD5Context md5context;
+        FLAC__CPUInfo cpuinfo;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        unsigned (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], unsigned data_len, FLAC__float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+#else
+        unsigned (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], unsigned data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
+#endif
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        void (*local_lpc_compute_autocorrelation)(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]);
+        void (*local_lpc_compute_residual_from_qlp_coefficients)(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+        void (*local_lpc_compute_residual_from_qlp_coefficients_64bit)(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+        void (*local_lpc_compute_residual_from_qlp_coefficients_16bit)(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]);
+#endif
+        FLAC__bool use_wide_by_block;          /* use slow 64-bit versions of some functions because of the block size */
+        FLAC__bool use_wide_by_partition;      /* use slow 64-bit versions of some functions because of the min partition order and blocksize */
+        FLAC__bool use_wide_by_order;          /* use slow 64-bit versions of some functions because of the lpc order */
+        FLAC__bool disable_constant_subframes;
+        FLAC__bool disable_fixed_subframes;
+        FLAC__bool disable_verbatim_subframes;
+#if FLAC__HAS_OGG
+        FLAC__bool is_ogg;
+#endif
+        FLAC__StreamEncoderReadCallback read_callback; /* currently only needed for Ogg FLAC */
+        FLAC__StreamEncoderSeekCallback seek_callback;
+        FLAC__StreamEncoderTellCallback tell_callback;
+        FLAC__StreamEncoderWriteCallback write_callback;
+        FLAC__StreamEncoderMetadataCallback metadata_callback;
+        FLAC__StreamEncoderProgressCallback progress_callback;
+        void *client_data;
+        unsigned first_seekpoint_to_check;
+        FILE *file;                            /* only used when encoding to a file */
+        FLAC__uint64 bytes_written;
+        FLAC__uint64 samples_written;
+        unsigned frames_written;
+        unsigned total_frames_estimate;
+        /* unaligned (original) pointers to allocated data */
+        FLAC__int32 *integer_signal_unaligned[FLAC__MAX_CHANNELS];
+        FLAC__int32 *integer_signal_mid_side_unaligned[2];
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        FLAC__real *real_signal_unaligned[FLAC__MAX_CHANNELS]; /* (@@@ currently unused) */
+        FLAC__real *real_signal_mid_side_unaligned[2]; /* (@@@ currently unused) */
+        FLAC__real *window_unaligned[FLAC__MAX_APODIZATION_FUNCTIONS];
+        FLAC__real *windowed_signal_unaligned;
+#endif
+        FLAC__int32 *residual_workspace_unaligned[FLAC__MAX_CHANNELS][2];
+        FLAC__int32 *residual_workspace_mid_side_unaligned[2][2];
+        FLAC__uint64 *abs_residual_partition_sums_unaligned;
+        unsigned *raw_bits_per_partition_unaligned;
+        /*
+         * These fields have been moved here from private function local
+         * declarations merely to save stack space during encoding.
+         */
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        FLAC__real lp_coeff[FLAC__MAX_LPC_ORDER][FLAC__MAX_LPC_ORDER]; /* from process_subframe_() */
+#endif
+        FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_extra[2]; /* from find_best_partition_order_() */
+        /*
+         * The data for the verify section
+         */
+        struct {
+                FLAC__StreamDecoder *decoder;
+                EncoderStateHint state_hint;
+                FLAC__bool needs_magic_hack;
+                verify_input_fifo input_fifo;
+                verify_output output;
+                struct {
+                        FLAC__uint64 absolute_sample;
+                        unsigned frame_number;
+                        unsigned channel;
+                        unsigned sample;
+                        FLAC__int32 expected;
+                        FLAC__int32 got;
+                } error_stats;
+        } verify;
+        FLAC__bool is_being_deleted; /* if true, call to ..._finish() from ..._delete() will not call the callbacks */
+} FLAC__StreamEncoderPrivate;
+
+/***********************************************************************
+ *
+ * Public static class data
+ *
+ ***********************************************************************/
+
+FLAC_API const char * const FLAC__StreamEncoderStateString[] = {
+        "FLAC__STREAM_ENCODER_OK",
+        "FLAC__STREAM_ENCODER_UNINITIALIZED",
+        "FLAC__STREAM_ENCODER_OGG_ERROR",
+        "FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR",
+        "FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA",
+        "FLAC__STREAM_ENCODER_CLIENT_ERROR",
+        "FLAC__STREAM_ENCODER_IO_ERROR",
+        "FLAC__STREAM_ENCODER_FRAMING_ERROR",
+        "FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR"
+};
+
+FLAC_API const char * const FLAC__StreamEncoderInitStatusString[] = {
+        "FLAC__STREAM_ENCODER_INIT_STATUS_OK",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA",
+        "FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED"
+};
+
+FLAC_API const char * const FLAC__treamEncoderReadStatusString[] = {
+        "FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE",
+        "FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM",
+        "FLAC__STREAM_ENCODER_READ_STATUS_ABORT",
+        "FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED"
+};
+
+FLAC_API const char * const FLAC__StreamEncoderWriteStatusString[] = {
+        "FLAC__STREAM_ENCODER_WRITE_STATUS_OK",
+        "FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR"
+};
+
+FLAC_API const char * const FLAC__StreamEncoderSeekStatusString[] = {
+        "FLAC__STREAM_ENCODER_SEEK_STATUS_OK",
+        "FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR",
+        "FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED"
+};
+
+FLAC_API const char * const FLAC__StreamEncoderTellStatusString[] = {
+        "FLAC__STREAM_ENCODER_TELL_STATUS_OK",
+        "FLAC__STREAM_ENCODER_TELL_STATUS_ERROR",
+        "FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED"
+};
+
+/* Number of samples that will be overread to watch for end of stream.  By
+ * 'overread', we mean that the FLAC__stream_encoder_process*() calls will
+ * always try to read blocksize+1 samples before encoding a block, so that
+ * even if the stream has a total sample count that is an integral multiple
+ * of the blocksize, we will still notice when we are encoding the last
+ * block.  This is needed, for example, to correctly set the end-of-stream
+ * marker in Ogg FLAC.
+ *
+ * WATCHOUT: some parts of the code assert that OVERREAD_ == 1 and there's
+ * not really any reason to change it.
+ */
+static const unsigned OVERREAD_ = 1;
+
+/***********************************************************************
+ *
+ * Class constructor/destructor
+ *
+ */
+FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new(void)
+{
+        FLAC__StreamEncoder *encoder;
+        unsigned i;
+
+        FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */
+
+        encoder = (FLAC__StreamEncoder*)calloc(1, sizeof(FLAC__StreamEncoder));
+        if(encoder == 0) {
+                return 0;
+        }
+
+        encoder->protected_ = (FLAC__StreamEncoderProtected*)calloc(1, sizeof(FLAC__StreamEncoderProtected));
+        if(encoder->protected_ == 0) {
+                free(encoder);
+                return 0;
+        }
+
+        encoder->private_ = (FLAC__StreamEncoderPrivate*)calloc(1, sizeof(FLAC__StreamEncoderPrivate));
+        if(encoder->private_ == 0) {
+                free(encoder->protected_);
+                free(encoder);
+                return 0;
+        }
+
+        encoder->private_->frame = FLAC__bitwriter_new();
+        if(encoder->private_->frame == 0) {
+                free(encoder->private_);
+                free(encoder->protected_);
+                free(encoder);
+                return 0;
+        }
+
+        encoder->private_->file = 0;
+
+        set_defaults_(encoder);
+
+        encoder->private_->is_being_deleted = false;
+
+        for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
+                encoder->private_->subframe_workspace_ptr[i][0] = &encoder->private_->subframe_workspace[i][0];
+                encoder->private_->subframe_workspace_ptr[i][1] = &encoder->private_->subframe_workspace[i][1];
+        }
+        for(i = 0; i < 2; i++) {
+                encoder->private_->subframe_workspace_ptr_mid_side[i][0] = &encoder->private_->subframe_workspace_mid_side[i][0];
+                encoder->private_->subframe_workspace_ptr_mid_side[i][1] = &encoder->private_->subframe_workspace_mid_side[i][1];
+        }
+        for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
+                encoder->private_->partitioned_rice_contents_workspace_ptr[i][0] = &encoder->private_->partitioned_rice_contents_workspace[i][0];
+                encoder->private_->partitioned_rice_contents_workspace_ptr[i][1] = &encoder->private_->partitioned_rice_contents_workspace[i][1];
+        }
+        for(i = 0; i < 2; i++) {
+                encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[i][0] = &encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0];
+                encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[i][1] = &encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1];
+        }
+
+        for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace[i][0]);
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace[i][1]);
+        }
+        for(i = 0; i < 2; i++) {
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0]);
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1]);
+        }
+        for(i = 0; i < 2; i++)
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_extra[i]);
+
+        encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED;
+
+        return encoder;
+}
+
+FLAC_API void FLAC__stream_encoder_delete(FLAC__StreamEncoder *encoder)
+{
+        unsigned i;
+
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->protected_);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->private_->frame);
+
+        encoder->private_->is_being_deleted = true;
+
+        (void)FLAC__stream_encoder_finish(encoder);
+
+        if(0 != encoder->private_->verify.decoder)
+                FLAC__stream_decoder_delete(encoder->private_->verify.decoder);
+
+        for(i = 0; i < FLAC__MAX_CHANNELS; i++) {
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace[i][0]);
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace[i][1]);
+        }
+        for(i = 0; i < 2; i++) {
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][0]);
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_workspace_mid_side[i][1]);
+        }
+        for(i = 0; i < 2; i++)
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_extra[i]);
+
+        FLAC__bitwriter_delete(encoder->private_->frame);
+        free(encoder->private_);
+        free(encoder->protected_);
+        free(encoder);
+}
+
+/***********************************************************************
+ *
+ * Public class methods
+ *
+ ***********************************************************************/
+
+static FLAC__StreamEncoderInitStatus init_stream_internal_(
+        FLAC__StreamEncoder *encoder,
+        FLAC__StreamEncoderReadCallback read_callback,
+        FLAC__StreamEncoderWriteCallback write_callback,
+        FLAC__StreamEncoderSeekCallback seek_callback,
+        FLAC__StreamEncoderTellCallback tell_callback,
+        FLAC__StreamEncoderMetadataCallback metadata_callback,
+        void *client_data,
+        FLAC__bool is_ogg
+)
+{
+        unsigned i;
+        FLAC__bool metadata_has_seektable, metadata_has_vorbis_comment, metadata_picture_has_type1, metadata_picture_has_type2;
+
+        FLAC__ASSERT(0 != encoder);
+
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED;
+
+#if !FLAC__HAS_OGG
+        if(is_ogg)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER;
+#endif
+
+        if(0 == write_callback || (seek_callback && 0 == tell_callback))
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS;
+
+        if(encoder->protected_->channels == 0 || encoder->protected_->channels > FLAC__MAX_CHANNELS)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS;
+
+        if(encoder->protected_->channels != 2) {
+                encoder->protected_->do_mid_side_stereo = false;
+                encoder->protected_->loose_mid_side_stereo = false;
+        }
+        else if(!encoder->protected_->do_mid_side_stereo)
+                encoder->protected_->loose_mid_side_stereo = false;
+
+        if(encoder->protected_->bits_per_sample >= 32)
+                encoder->protected_->do_mid_side_stereo = false; /* since we currenty do 32-bit math, the side channel would have 33 bps and overflow */
+
+        if(encoder->protected_->bits_per_sample < FLAC__MIN_BITS_PER_SAMPLE || encoder->protected_->bits_per_sample > FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE;
+
+        if(!FLAC__format_sample_rate_is_valid(encoder->protected_->sample_rate))
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE;
+
+        if(encoder->protected_->blocksize == 0) {
+                if(encoder->protected_->max_lpc_order == 0)
+                        encoder->protected_->blocksize = 1152;
+                else
+                        encoder->protected_->blocksize = 4096;
+        }
+
+        if(encoder->protected_->blocksize < FLAC__MIN_BLOCK_SIZE || encoder->protected_->blocksize > FLAC__MAX_BLOCK_SIZE)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE;
+
+        if(encoder->protected_->max_lpc_order > FLAC__MAX_LPC_ORDER)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER;
+
+        if(encoder->protected_->blocksize < encoder->protected_->max_lpc_order)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER;
+
+        if(encoder->protected_->qlp_coeff_precision == 0) {
+                if(encoder->protected_->bits_per_sample < 16) {
+                        /* @@@ need some data about how to set this here w.r.t. blocksize and sample rate */
+                        /* @@@ until then we'll make a guess */
+                        encoder->protected_->qlp_coeff_precision = max(FLAC__MIN_QLP_COEFF_PRECISION, 2 + encoder->protected_->bits_per_sample / 2);
+                }
+                else if(encoder->protected_->bits_per_sample == 16) {
+                        if(encoder->protected_->blocksize <= 192)
+                                encoder->protected_->qlp_coeff_precision = 7;
+                        else if(encoder->protected_->blocksize <= 384)
+                                encoder->protected_->qlp_coeff_precision = 8;
+                        else if(encoder->protected_->blocksize <= 576)
+                                encoder->protected_->qlp_coeff_precision = 9;
+                        else if(encoder->protected_->blocksize <= 1152)
+                                encoder->protected_->qlp_coeff_precision = 10;
+                        else if(encoder->protected_->blocksize <= 2304)
+                                encoder->protected_->qlp_coeff_precision = 11;
+                        else if(encoder->protected_->blocksize <= 4608)
+                                encoder->protected_->qlp_coeff_precision = 12;
+                        else
+                                encoder->protected_->qlp_coeff_precision = 13;
+                }
+                else {
+                        if(encoder->protected_->blocksize <= 384)
+                                encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION-2;
+                        else if(encoder->protected_->blocksize <= 1152)
+                                encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION-1;
+                        else
+                                encoder->protected_->qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION;
+                }
+                FLAC__ASSERT(encoder->protected_->qlp_coeff_precision <= FLAC__MAX_QLP_COEFF_PRECISION);
+        }
+        else if(encoder->protected_->qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION || encoder->protected_->qlp_coeff_precision > FLAC__MAX_QLP_COEFF_PRECISION)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION;
+
+        if(encoder->protected_->streamable_subset) {
+                if(
+                        encoder->protected_->blocksize != 192 &&
+                        encoder->protected_->blocksize != 576 &&
+                        encoder->protected_->blocksize != 1152 &&
+                        encoder->protected_->blocksize != 2304 &&
+                        encoder->protected_->blocksize != 4608 &&
+                        encoder->protected_->blocksize != 256 &&
+                        encoder->protected_->blocksize != 512 &&
+                        encoder->protected_->blocksize != 1024 &&
+                        encoder->protected_->blocksize != 2048 &&
+                        encoder->protected_->blocksize != 4096 &&
+                        encoder->protected_->blocksize != 8192 &&
+                        encoder->protected_->blocksize != 16384
+                )
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
+                if(!FLAC__format_sample_rate_is_subset(encoder->protected_->sample_rate))
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
+                if(
+                        encoder->protected_->bits_per_sample != 8 &&
+                        encoder->protected_->bits_per_sample != 12 &&
+                        encoder->protected_->bits_per_sample != 16 &&
+                        encoder->protected_->bits_per_sample != 20 &&
+                        encoder->protected_->bits_per_sample != 24
+                )
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
+                if(encoder->protected_->max_residual_partition_order > FLAC__SUBSET_MAX_RICE_PARTITION_ORDER)
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
+                if(
+                        encoder->protected_->sample_rate <= 48000 &&
+                        (
+                                encoder->protected_->blocksize > FLAC__SUBSET_MAX_BLOCK_SIZE_48000HZ ||
+                                encoder->protected_->max_lpc_order > FLAC__SUBSET_MAX_LPC_ORDER_48000HZ
+                        )
+                ) {
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE;
+                }
+        }
+
+        if(encoder->protected_->max_residual_partition_order >= (1u << FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
+                encoder->protected_->max_residual_partition_order = (1u << FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN) - 1;
+        if(encoder->protected_->min_residual_partition_order >= encoder->protected_->max_residual_partition_order)
+                encoder->protected_->min_residual_partition_order = encoder->protected_->max_residual_partition_order;
+
+#if FLAC__HAS_OGG
+        /* reorder metadata if necessary to ensure that any VORBIS_COMMENT is the first, according to the mapping spec */
+        if(is_ogg && 0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 1) {
+                unsigned i;
+                for(i = 1; i < encoder->protected_->num_metadata_blocks; i++) {
+                        if(0 != encoder->protected_->metadata[i] && encoder->protected_->metadata[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
+                                FLAC__StreamMetadata *vc = encoder->protected_->metadata[i];
+                                for( ; i > 0; i--)
+                                        encoder->protected_->metadata[i] = encoder->protected_->metadata[i-1];
+                                encoder->protected_->metadata[0] = vc;
+                                break;
+                        }
+                }
+        }
+#endif
+        /* keep track of any SEEKTABLE block */
+        if(0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0) {
+                unsigned i;
+                for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) {
+                        if(0 != encoder->protected_->metadata[i] && encoder->protected_->metadata[i]->type == FLAC__METADATA_TYPE_SEEKTABLE) {
+                                encoder->private_->seek_table = &encoder->protected_->metadata[i]->data.seek_table;
+                                break; /* take only the first one */
+                        }
+                }
+        }
+
+        /* validate metadata */
+        if(0 == encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+        metadata_has_seektable = false;
+        metadata_has_vorbis_comment = false;
+        metadata_picture_has_type1 = false;
+        metadata_picture_has_type2 = false;
+        for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) {
+                const FLAC__StreamMetadata *m = encoder->protected_->metadata[i];
+                if(m->type == FLAC__METADATA_TYPE_STREAMINFO)
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                else if(m->type == FLAC__METADATA_TYPE_SEEKTABLE) {
+                        if(metadata_has_seektable) /* only one is allowed */
+                                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                        metadata_has_seektable = true;
+                        if(!FLAC__format_seektable_is_legal(&m->data.seek_table))
+                                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                }
+                else if(m->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
+                        if(metadata_has_vorbis_comment) /* only one is allowed */
+                                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                        metadata_has_vorbis_comment = true;
+                }
+                else if(m->type == FLAC__METADATA_TYPE_CUESHEET) {
+                        if(!FLAC__format_cuesheet_is_legal(&m->data.cue_sheet, m->data.cue_sheet.is_cd, /*violation=*/0))
+                                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                }
+                else if(m->type == FLAC__METADATA_TYPE_PICTURE) {
+                        if(!FLAC__format_picture_is_legal(&m->data.picture, /*violation=*/0))
+                                return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                        if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) {
+                                if(metadata_picture_has_type1) /* there should only be 1 per stream */
+                                        return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                                metadata_picture_has_type1 = true;
+                                /* standard icon must be 32x32 pixel PNG */
+                                if(
+                                        m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD && 
+                                        (
+                                                (strcmp(m->data.picture.mime_type, "image/png") && strcmp(m->data.picture.mime_type, "-->")) ||
+                                                m->data.picture.width != 32 ||
+                                                m->data.picture.height != 32
+                                        )
+                                )
+                                        return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                        }
+                        else if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) {
+                                if(metadata_picture_has_type2) /* there should only be 1 per stream */
+                                        return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA;
+                                metadata_picture_has_type2 = true;
+                        }
+                }
+        }
+
+        encoder->private_->input_capacity = 0;
+        for(i = 0; i < encoder->protected_->channels; i++) {
+                encoder->private_->integer_signal_unaligned[i] = encoder->private_->integer_signal[i] = 0;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+                encoder->private_->real_signal_unaligned[i] = encoder->private_->real_signal[i] = 0;
+#endif
+        }
+        for(i = 0; i < 2; i++) {
+                encoder->private_->integer_signal_mid_side_unaligned[i] = encoder->private_->integer_signal_mid_side[i] = 0;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+                encoder->private_->real_signal_mid_side_unaligned[i] = encoder->private_->real_signal_mid_side[i] = 0;
+#endif
+        }
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        for(i = 0; i < encoder->protected_->num_apodizations; i++)
+                encoder->private_->window_unaligned[i] = encoder->private_->window[i] = 0;
+        encoder->private_->windowed_signal_unaligned = encoder->private_->windowed_signal = 0;
+#endif
+        for(i = 0; i < encoder->protected_->channels; i++) {
+                encoder->private_->residual_workspace_unaligned[i][0] = encoder->private_->residual_workspace[i][0] = 0;
+                encoder->private_->residual_workspace_unaligned[i][1] = encoder->private_->residual_workspace[i][1] = 0;
+                encoder->private_->best_subframe[i] = 0;
+        }
+        for(i = 0; i < 2; i++) {
+                encoder->private_->residual_workspace_mid_side_unaligned[i][0] = encoder->private_->residual_workspace_mid_side[i][0] = 0;
+                encoder->private_->residual_workspace_mid_side_unaligned[i][1] = encoder->private_->residual_workspace_mid_side[i][1] = 0;
+                encoder->private_->best_subframe_mid_side[i] = 0;
+        }
+        encoder->private_->abs_residual_partition_sums_unaligned = encoder->private_->abs_residual_partition_sums = 0;
+        encoder->private_->raw_bits_per_partition_unaligned = encoder->private_->raw_bits_per_partition = 0;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        encoder->private_->loose_mid_side_stereo_frames = (unsigned)((FLAC__double)encoder->protected_->sample_rate * 0.4 / (FLAC__double)encoder->protected_->blocksize + 0.5);
+#else
+        /* 26214 is the approximate fixed-point equivalent to 0.4 (0.4 * 2^16) */
+        /* sample rate can be up to 655350 Hz, and thus use 20 bits, so we do the multiply&divide by hand */
+        FLAC__ASSERT(FLAC__MAX_SAMPLE_RATE <= 655350);
+        FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535);
+        FLAC__ASSERT(encoder->protected_->sample_rate <= 655350);
+        FLAC__ASSERT(encoder->protected_->blocksize <= 65535);
+        encoder->private_->loose_mid_side_stereo_frames = (unsigned)FLAC__fixedpoint_trunc((((FLAC__uint64)(encoder->protected_->sample_rate) * (FLAC__uint64)(26214)) << 16) / (encoder->protected_->blocksize<<16) + FLAC__FP_ONE_HALF);
+#endif
+        if(encoder->private_->loose_mid_side_stereo_frames == 0)
+                encoder->private_->loose_mid_side_stereo_frames = 1;
+        encoder->private_->loose_mid_side_stereo_frame_count = 0;
+        encoder->private_->current_sample_number = 0;
+        encoder->private_->current_frame_number = 0;
+
+        encoder->private_->use_wide_by_block = (encoder->protected_->bits_per_sample + FLAC__bitmath_ilog2(encoder->protected_->blocksize)+1 > 30);
+        encoder->private_->use_wide_by_order = (encoder->protected_->bits_per_sample + FLAC__bitmath_ilog2(max(encoder->protected_->max_lpc_order, FLAC__MAX_FIXED_ORDER))+1 > 30); /*@@@ need to use this? */
+        encoder->private_->use_wide_by_partition = (false); /*@@@ need to set this */
+
+        /*
+         * get the CPU info and set the function pointers
+         */
+        FLAC__cpu_info(&encoder->private_->cpuinfo);
+        /* first default to the non-asm routines */
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation;
+#endif
+        encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients;
+        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit = FLAC__lpc_compute_residual_from_qlp_coefficients_wide;
+        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients;
+#endif
+        /* now override with asm where appropriate */
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+# ifndef FLAC__NO_ASM
+        if(encoder->private_->cpuinfo.use_asm) {
+#  ifdef FLAC__CPU_IA32
+                FLAC__ASSERT(encoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32);
+#   ifdef FLAC__HAS_NASM
+                if(encoder->private_->cpuinfo.data.ia32.sse) {
+                        if(encoder->protected_->max_lpc_order < 4)
+                                encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4;
+                        else if(encoder->protected_->max_lpc_order < 8)
+                                encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8;
+                        else if(encoder->protected_->max_lpc_order < 12)
+                                encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12;
+                        else
+                                encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32;
+                }
+                else if(encoder->private_->cpuinfo.data.ia32._3dnow)
+                        encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_3dnow;
+                else
+                        encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32;
+                if(encoder->private_->cpuinfo.data.ia32.mmx) {
+                        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32;
+                        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx;
+                }
+                else {
+                        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32;
+                        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit = FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32;
+                }
+                if(encoder->private_->cpuinfo.data.ia32.mmx && encoder->private_->cpuinfo.data.ia32.cmov)
+                        encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov;
+#   endif /* FLAC__HAS_NASM */
+#  endif /* FLAC__CPU_IA32 */
+        }
+# endif /* !FLAC__NO_ASM */
+#endif /* !FLAC__INTEGER_ONLY_LIBRARY */
+        /* finally override based on wide-ness if necessary */
+        if(encoder->private_->use_wide_by_block) {
+                encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_wide;
+        }
+
+        /* set state to OK; from here on, errors are fatal and we'll override the state then */
+        encoder->protected_->state = FLAC__STREAM_ENCODER_OK;
+
+#if FLAC__HAS_OGG
+        encoder->private_->is_ogg = is_ogg;
+        if(is_ogg && !FLAC__ogg_encoder_aspect_init(&encoder->protected_->ogg_encoder_aspect)) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+#endif
+
+        encoder->private_->read_callback = read_callback;
+        encoder->private_->write_callback = write_callback;
+        encoder->private_->seek_callback = seek_callback;
+        encoder->private_->tell_callback = tell_callback;
+        encoder->private_->metadata_callback = metadata_callback;
+        encoder->private_->client_data = client_data;
+
+        if(!resize_buffers_(encoder, encoder->protected_->blocksize)) {
+                /* the above function sets the state for us in case of an error */
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+
+        if(!FLAC__bitwriter_init(encoder->private_->frame)) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+
+        /*
+         * Set up the verify stuff if necessary
+         */
+        if(encoder->protected_->verify) {
+                /*
+                 * First, set up the fifo which will hold the
+                 * original signal to compare against
+                 */
+                encoder->private_->verify.input_fifo.size = encoder->protected_->blocksize+OVERREAD_;
+                for(i = 0; i < encoder->protected_->channels; i++) {
+                        if(0 == (encoder->private_->verify.input_fifo.data[i] = (FLAC__int32*)safe_malloc_mul_2op_(sizeof(FLAC__int32), /*times*/encoder->private_->verify.input_fifo.size))) {
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
+                                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+                        }
+                }
+                encoder->private_->verify.input_fifo.tail = 0;
+
+                /*
+                 * Now set up a stream decoder for verification
+                 */
+                encoder->private_->verify.decoder = FLAC__stream_decoder_new();
+                if(0 == encoder->private_->verify.decoder) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+                }
+
+                if(FLAC__stream_decoder_init_stream(encoder->private_->verify.decoder, verify_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, verify_write_callback_, verify_metadata_callback_, verify_error_callback_, /*client_data=*/encoder) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+                }
+        }
+        encoder->private_->verify.error_stats.absolute_sample = 0;
+        encoder->private_->verify.error_stats.frame_number = 0;
+        encoder->private_->verify.error_stats.channel = 0;
+        encoder->private_->verify.error_stats.sample = 0;
+        encoder->private_->verify.error_stats.expected = 0;
+        encoder->private_->verify.error_stats.got = 0;
+
+        /*
+         * These must be done before we write any metadata, because that
+         * calls the write_callback, which uses these values.
+         */
+        encoder->private_->first_seekpoint_to_check = 0;
+        encoder->private_->samples_written = 0;
+        encoder->protected_->streaminfo_offset = 0;
+        encoder->protected_->seektable_offset = 0;
+        encoder->protected_->audio_offset = 0;
+
+        /*
+         * write the stream header
+         */
+        if(encoder->protected_->verify)
+                encoder->private_->verify.state_hint = ENCODER_IN_MAGIC;
+        if(!FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, FLAC__STREAM_SYNC, FLAC__STREAM_SYNC_LEN)) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+        if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
+                /* the above function sets the state for us in case of an error */
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+
+        /*
+         * write the STREAMINFO metadata block
+         */
+        if(encoder->protected_->verify)
+                encoder->private_->verify.state_hint = ENCODER_IN_METADATA;
+        encoder->private_->streaminfo.type = FLAC__METADATA_TYPE_STREAMINFO;
+        encoder->private_->streaminfo.is_last = false; /* we will have at a minimum a VORBIS_COMMENT afterwards */
+        encoder->private_->streaminfo.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
+        encoder->private_->streaminfo.data.stream_info.min_blocksize = encoder->protected_->blocksize; /* this encoder uses the same blocksize for the whole stream */
+        encoder->private_->streaminfo.data.stream_info.max_blocksize = encoder->protected_->blocksize;
+        encoder->private_->streaminfo.data.stream_info.min_framesize = 0; /* we don't know this yet; have to fill it in later */
+        encoder->private_->streaminfo.data.stream_info.max_framesize = 0; /* we don't know this yet; have to fill it in later */
+        encoder->private_->streaminfo.data.stream_info.sample_rate = encoder->protected_->sample_rate;
+        encoder->private_->streaminfo.data.stream_info.channels = encoder->protected_->channels;
+        encoder->private_->streaminfo.data.stream_info.bits_per_sample = encoder->protected_->bits_per_sample;
+        encoder->private_->streaminfo.data.stream_info.total_samples = encoder->protected_->total_samples_estimate; /* we will replace this later with the real total */
+        memset(encoder->private_->streaminfo.data.stream_info.md5sum, 0, 16); /* we don't know this yet; have to fill it in later */
+        if(encoder->protected_->do_md5)
+                FLAC__MD5Init(&encoder->private_->md5context);
+        if(!FLAC__add_metadata_block(&encoder->private_->streaminfo, encoder->private_->frame)) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+        if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
+                /* the above function sets the state for us in case of an error */
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+
+        /*
+         * Now that the STREAMINFO block is written, we can init this to an
+         * absurdly-high value...
+         */
+        encoder->private_->streaminfo.data.stream_info.min_framesize = (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN) - 1;
+        /* ... and clear this to 0 */
+        encoder->private_->streaminfo.data.stream_info.total_samples = 0;
+
+        /*
+         * Check to see if the supplied metadata contains a VORBIS_COMMENT;
+         * if not, we will write an empty one (FLAC__add_metadata_block()
+         * automatically supplies the vendor string).
+         *
+         * WATCHOUT: the Ogg FLAC mapping requires us to write this block after
+         * the STREAMINFO.  (In the case that metadata_has_vorbis_comment is
+         * true it will have already insured that the metadata list is properly
+         * ordered.)
+         */
+        if(!metadata_has_vorbis_comment) {
+                FLAC__StreamMetadata vorbis_comment;
+                vorbis_comment.type = FLAC__METADATA_TYPE_VORBIS_COMMENT;
+                vorbis_comment.is_last = (encoder->protected_->num_metadata_blocks == 0);
+                vorbis_comment.length = 4 + 4; /* MAGIC NUMBER */
+                vorbis_comment.data.vorbis_comment.vendor_string.length = 0;
+                vorbis_comment.data.vorbis_comment.vendor_string.entry = 0;
+                vorbis_comment.data.vorbis_comment.num_comments = 0;
+                vorbis_comment.data.vorbis_comment.comments = 0;
+                if(!FLAC__add_metadata_block(&vorbis_comment, encoder->private_->frame)) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+                }
+                if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
+                        /* the above function sets the state for us in case of an error */
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+                }
+        }
+
+        /*
+         * write the user's metadata blocks
+         */
+        for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) {
+                encoder->protected_->metadata[i]->is_last = (i == encoder->protected_->num_metadata_blocks - 1);
+                if(!FLAC__add_metadata_block(encoder->protected_->metadata[i], encoder->private_->frame)) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+                }
+                if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) {
+                        /* the above function sets the state for us in case of an error */
+                        return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+                }
+        }
+
+        /* now that all the metadata is written, we save the stream offset */
+        if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &encoder->protected_->audio_offset, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) { /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */
+                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+
+        if(encoder->protected_->verify)
+                encoder->private_->verify.state_hint = ENCODER_IN_AUDIO;
+
+        return FLAC__STREAM_ENCODER_INIT_STATUS_OK;
+}
+
+FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_stream(
+        FLAC__StreamEncoder *encoder,
+        FLAC__StreamEncoderWriteCallback write_callback,
+        FLAC__StreamEncoderSeekCallback seek_callback,
+        FLAC__StreamEncoderTellCallback tell_callback,
+        FLAC__StreamEncoderMetadataCallback metadata_callback,
+        void *client_data
+)
+{
+        return init_stream_internal_(
+                encoder,
+                /*read_callback=*/0,
+                write_callback,
+                seek_callback,
+                tell_callback,
+                metadata_callback,
+                client_data,
+                /*is_ogg=*/false
+        );
+}
+
+FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_stream(
+        FLAC__StreamEncoder *encoder,
+        FLAC__StreamEncoderReadCallback read_callback,
+        FLAC__StreamEncoderWriteCallback write_callback,
+        FLAC__StreamEncoderSeekCallback seek_callback,
+        FLAC__StreamEncoderTellCallback tell_callback,
+        FLAC__StreamEncoderMetadataCallback metadata_callback,
+        void *client_data
+)
+{
+        return init_stream_internal_(
+                encoder,
+                read_callback,
+                write_callback,
+                seek_callback,
+                tell_callback,
+                metadata_callback,
+                client_data,
+                /*is_ogg=*/true
+        );
+}
+ 
+static FLAC__StreamEncoderInitStatus init_FILE_internal_(
+        FLAC__StreamEncoder *encoder,
+        FILE *file,
+        FLAC__StreamEncoderProgressCallback progress_callback,
+        void *client_data,
+        FLAC__bool is_ogg
+)
+{
+        FLAC__StreamEncoderInitStatus init_status;
+
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != file);
+
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED;
+
+        /* double protection */
+        if(file == 0) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR;
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+
+        /*
+         * To make sure that our file does not go unclosed after an error, we
+         * must assign the FILE pointer before any further error can occur in
+         * this routine.
+         */
+        if(file == stdout)
+                file = get_binary_stdout_(); /* just to be safe */
+
+        encoder->private_->file = file;
+
+        encoder->private_->progress_callback = progress_callback;
+        encoder->private_->bytes_written = 0;
+        encoder->private_->samples_written = 0;
+        encoder->private_->frames_written = 0;
+
+        init_status = init_stream_internal_(
+                encoder,
+                encoder->private_->file == stdout? 0 : is_ogg? file_read_callback_ : 0,
+                file_write_callback_,
+                encoder->private_->file == stdout? 0 : file_seek_callback_,
+                encoder->private_->file == stdout? 0 : file_tell_callback_,
+                /*metadata_callback=*/0,
+                client_data,
+                is_ogg
+        );
+        if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
+                /* the above function sets the state for us in case of an error */
+                return init_status;
+        }
+
+        {
+                unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder);
+
+                FLAC__ASSERT(blocksize != 0);
+                encoder->private_->total_frames_estimate = (unsigned)((FLAC__stream_encoder_get_total_samples_estimate(encoder) + blocksize - 1) / blocksize);
+        }
+
+        return init_status;
+}
+ 
+FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_FILE(
+        FLAC__StreamEncoder *encoder,
+        FILE *file,
+        FLAC__StreamEncoderProgressCallback progress_callback,
+        void *client_data
+)
+{
+        return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/false);
+}
+ 
+FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_FILE(
+        FLAC__StreamEncoder *encoder,
+        FILE *file,
+        FLAC__StreamEncoderProgressCallback progress_callback,
+        void *client_data
+)
+{
+        return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/true);
+}
+
+static FLAC__StreamEncoderInitStatus init_file_internal_(
+        FLAC__StreamEncoder *encoder,
+        const char *filename,
+        FLAC__StreamEncoderProgressCallback progress_callback,
+        void *client_data,
+        FLAC__bool is_ogg
+)
+{
+        FILE *file;
+
+        FLAC__ASSERT(0 != encoder);
+
+        /*
+         * To make sure that our file does not go unclosed after an error, we
+         * have to do the same entrance checks here that are later performed
+         * in FLAC__stream_encoder_init_FILE() before the FILE* is assigned.
+         */
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED;
+
+        file = filename? fopen(filename, "w+b") : stdout;
+
+        if(file == 0) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR;
+                return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR;
+        }
+
+        return init_FILE_internal_(encoder, file, progress_callback, client_data, is_ogg);
+}
+
+FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_file(
+        FLAC__StreamEncoder *encoder,
+        const char *filename,
+        FLAC__StreamEncoderProgressCallback progress_callback,
+        void *client_data
+)
+{
+        return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/false);
+}
+
+FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_file(
+        FLAC__StreamEncoder *encoder,
+        const char *filename,
+        FLAC__StreamEncoderProgressCallback progress_callback,
+        void *client_data
+)
+{
+        return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/true);
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_finish(FLAC__StreamEncoder *encoder)
+{
+        FLAC__bool error = false;
+
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+
+        if(encoder->protected_->state == FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return true;
+
+        if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK && !encoder->private_->is_being_deleted) {
+                if(encoder->private_->current_sample_number != 0) {
+                        const FLAC__bool is_fractional_block = encoder->protected_->blocksize != encoder->private_->current_sample_number;
+                        encoder->protected_->blocksize = encoder->private_->current_sample_number;
+                        if(!process_frame_(encoder, is_fractional_block, /*is_last_block=*/true))
+                                error = true;
+                }
+        }
+
+        if(encoder->protected_->do_md5)
+                FLAC__MD5Final(encoder->private_->streaminfo.data.stream_info.md5sum, &encoder->private_->md5context);
+
+        if(!encoder->private_->is_being_deleted) {
+                if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK) {
+                        if(encoder->private_->seek_callback) {
+#if FLAC__HAS_OGG
+                                if(encoder->private_->is_ogg)
+                                        update_ogg_metadata_(encoder);
+                                else
+#endif
+                                update_metadata_(encoder);
+
+                                /* check if an error occurred while updating metadata */
+                                if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK)
+                                        error = true;
+                        }
+                        if(encoder->private_->metadata_callback)
+                                encoder->private_->metadata_callback(encoder, &encoder->private_->streaminfo, encoder->private_->client_data);
+                }
+
+                if(encoder->protected_->verify && 0 != encoder->private_->verify.decoder && !FLAC__stream_decoder_finish(encoder->private_->verify.decoder)) {
+                        if(!error)
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA;
+                        error = true;
+                }
+        }
+
+        if(0 != encoder->private_->file) {
+                if(encoder->private_->file != stdout)
+                        fclose(encoder->private_->file);
+                encoder->private_->file = 0;
+        }
+
+#if FLAC__HAS_OGG
+        if(encoder->private_->is_ogg)
+                FLAC__ogg_encoder_aspect_finish(&encoder->protected_->ogg_encoder_aspect);
+#endif
+
+        free_(encoder);
+        set_defaults_(encoder);
+
+        if(!error)
+                encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED;
+
+        return !error;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_ogg_serial_number(FLAC__StreamEncoder *encoder, long value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+#if FLAC__HAS_OGG
+        /* can't check encoder->private_->is_ogg since that's not set until init time */
+        FLAC__ogg_encoder_aspect_set_serial_number(&encoder->protected_->ogg_encoder_aspect, value);
+        return true;
+#else
+        (void)value;
+        return false;
+#endif
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_verify(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+#ifndef FLAC__MANDATORY_VERIFY_WHILE_ENCODING
+        encoder->protected_->verify = value;
+#endif
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_streamable_subset(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->streamable_subset = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_do_md5(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->do_md5 = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_channels(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->channels = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_bits_per_sample(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->bits_per_sample = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_sample_rate(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->sample_rate = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_compression_level(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__bool ok = true;
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        if(value >= sizeof(compression_levels_)/sizeof(compression_levels_[0]))
+                value = sizeof(compression_levels_)/sizeof(compression_levels_[0]) - 1;
+        ok &= FLAC__stream_encoder_set_do_mid_side_stereo          (encoder, compression_levels_[value].do_mid_side_stereo);
+        ok &= FLAC__stream_encoder_set_loose_mid_side_stereo       (encoder, compression_levels_[value].loose_mid_side_stereo);
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+#if 0
+        /* was: */
+        ok &= FLAC__stream_encoder_set_apodization                 (encoder, compression_levels_[value].apodization);
+        /* but it's too hard to specify the string in a locale-specific way */
+#else
+        encoder->protected_->num_apodizations = 1;
+        encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
+        encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
+#endif
+#endif
+        ok &= FLAC__stream_encoder_set_max_lpc_order               (encoder, compression_levels_[value].max_lpc_order);
+        ok &= FLAC__stream_encoder_set_qlp_coeff_precision         (encoder, compression_levels_[value].qlp_coeff_precision);
+        ok &= FLAC__stream_encoder_set_do_qlp_coeff_prec_search    (encoder, compression_levels_[value].do_qlp_coeff_prec_search);
+        ok &= FLAC__stream_encoder_set_do_escape_coding            (encoder, compression_levels_[value].do_escape_coding);
+        ok &= FLAC__stream_encoder_set_do_exhaustive_model_search  (encoder, compression_levels_[value].do_exhaustive_model_search);
+        ok &= FLAC__stream_encoder_set_min_residual_partition_order(encoder, compression_levels_[value].min_residual_partition_order);
+        ok &= FLAC__stream_encoder_set_max_residual_partition_order(encoder, compression_levels_[value].max_residual_partition_order);
+        ok &= FLAC__stream_encoder_set_rice_parameter_search_dist  (encoder, compression_levels_[value].rice_parameter_search_dist);
+        return ok;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_blocksize(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->blocksize = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_do_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->do_mid_side_stereo = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_loose_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->loose_mid_side_stereo = value;
+        return true;
+}
+
+/*@@@@add to tests*/
+FLAC_API FLAC__bool FLAC__stream_encoder_set_apodization(FLAC__StreamEncoder *encoder, const char *specification)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        FLAC__ASSERT(0 != specification);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+#ifdef FLAC__INTEGER_ONLY_LIBRARY
+        (void)specification; /* silently ignore since we haven't integerized; will always use a rectangular window */
+#else
+        encoder->protected_->num_apodizations = 0;
+        while(1) {
+                const char *s = strchr(specification, ';');
+                const size_t n = s? (size_t)(s - specification) : strlen(specification);
+                if     (n==8  && 0 == strncmp("bartlett"     , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT;
+                else if(n==13 && 0 == strncmp("bartlett_hann", specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT_HANN;
+                else if(n==8  && 0 == strncmp("blackman"     , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN;
+                else if(n==26 && 0 == strncmp("blackman_harris_4term_92db", specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE;
+                else if(n==6  && 0 == strncmp("connes"       , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_CONNES;
+                else if(n==7  && 0 == strncmp("flattop"      , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_FLATTOP;
+                else if(n>7   && 0 == strncmp("gauss("       , specification, 6)) {
+                        FLAC__real stddev = (FLAC__real)strtod(specification+6, 0);
+                        if (stddev > 0.0 && stddev <= 0.5) {
+                                encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.gauss.stddev = stddev;
+                                encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_GAUSS;
+                        }
+                }
+                else if(n==7  && 0 == strncmp("hamming"      , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HAMMING;
+                else if(n==4  && 0 == strncmp("hann"         , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HANN;
+                else if(n==13 && 0 == strncmp("kaiser_bessel", specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_KAISER_BESSEL;
+                else if(n==7  && 0 == strncmp("nuttall"      , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_NUTTALL;
+                else if(n==9  && 0 == strncmp("rectangle"    , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_RECTANGLE;
+                else if(n==8  && 0 == strncmp("triangle"     , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TRIANGLE;
+                else if(n>7   && 0 == strncmp("tukey("       , specification, 6)) {
+                        FLAC__real p = (FLAC__real)strtod(specification+6, 0);
+                        if (p >= 0.0 && p <= 1.0) {
+                                encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = p;
+                                encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY;
+                        }
+                }
+                else if(n==5  && 0 == strncmp("welch"        , specification, n))
+                        encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_WELCH;
+                if (encoder->protected_->num_apodizations == 32)
+                        break;
+                if (s)
+                        specification = s+1;
+                else
+                        break;
+        }
+        if(encoder->protected_->num_apodizations == 0) {
+                encoder->protected_->num_apodizations = 1;
+                encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
+                encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
+        }
+#endif
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_max_lpc_order(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->max_lpc_order = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_qlp_coeff_precision(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->qlp_coeff_precision = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_do_qlp_coeff_prec_search(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->do_qlp_coeff_prec_search = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_do_escape_coding(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+#if 0
+        /*@@@ deprecated: */
+        encoder->protected_->do_escape_coding = value;
+#else
+        (void)value;
+#endif
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_do_exhaustive_model_search(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->do_exhaustive_model_search = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_min_residual_partition_order(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->min_residual_partition_order = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_max_residual_partition_order(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->max_residual_partition_order = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_rice_parameter_search_dist(FLAC__StreamEncoder *encoder, unsigned value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+#if 0
+        /*@@@ deprecated: */
+        encoder->protected_->rice_parameter_search_dist = value;
+#else
+        (void)value;
+#endif
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_total_samples_estimate(FLAC__StreamEncoder *encoder, FLAC__uint64 value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->protected_->total_samples_estimate = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_set_metadata(FLAC__StreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        if(0 == metadata)
+                num_blocks = 0;
+        if(0 == num_blocks)
+                metadata = 0;
+        /* realloc() does not do exactly what we want so... */
+        if(encoder->protected_->metadata) {
+                free(encoder->protected_->metadata);
+                encoder->protected_->metadata = 0;
+                encoder->protected_->num_metadata_blocks = 0;
+        }
+        if(num_blocks) {
+                FLAC__StreamMetadata **m;
+                if(0 == (m = (FLAC__StreamMetadata**)safe_malloc_mul_2op_(sizeof(m[0]), /*times*/num_blocks)))
+                        return false;
+                memcpy(m, metadata, sizeof(m[0]) * num_blocks);
+                encoder->protected_->metadata = m;
+                encoder->protected_->num_metadata_blocks = num_blocks;
+        }
+#if FLAC__HAS_OGG
+        if(!FLAC__ogg_encoder_aspect_set_num_metadata(&encoder->protected_->ogg_encoder_aspect, num_blocks))
+                return false;
+#endif
+        return true;
+}
+
+/*
+ * These three functions are not static, but not publically exposed in
+ * include/FLAC/ either.  They are used by the test suite.
+ */
+FLAC_API FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->private_->disable_constant_subframes = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->private_->disable_fixed_subframes = value;
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED)
+                return false;
+        encoder->private_->disable_verbatim_subframes = value;
+        return true;
+}
+
+FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_get_state(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->state;
+}
+
+FLAC_API FLAC__StreamDecoderState FLAC__stream_encoder_get_verify_decoder_state(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->verify)
+                return FLAC__stream_decoder_get_state(encoder->private_->verify.decoder);
+        else
+                return FLAC__STREAM_DECODER_UNINITIALIZED;
+}
+
+FLAC_API const char *FLAC__stream_encoder_get_resolved_state_string(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR)
+                return FLAC__StreamEncoderStateString[encoder->protected_->state];
+        else
+                return FLAC__stream_decoder_get_resolved_state_string(encoder->private_->verify.decoder);
+}
+
+FLAC_API void FLAC__stream_encoder_get_verify_decoder_error_stats(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        if(0 != absolute_sample)
+                *absolute_sample = encoder->private_->verify.error_stats.absolute_sample;
+        if(0 != frame_number)
+                *frame_number = encoder->private_->verify.error_stats.frame_number;
+        if(0 != channel)
+                *channel = encoder->private_->verify.error_stats.channel;
+        if(0 != sample)
+                *sample = encoder->private_->verify.error_stats.sample;
+        if(0 != expected)
+                *expected = encoder->private_->verify.error_stats.expected;
+        if(0 != got)
+                *got = encoder->private_->verify.error_stats.got;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_verify(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->verify;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_streamable_subset(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->streamable_subset;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_do_md5(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->do_md5;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_channels(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->channels;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_bits_per_sample(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->bits_per_sample;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_sample_rate(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->sample_rate;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_blocksize(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->blocksize;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_do_mid_side_stereo(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->do_mid_side_stereo;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_loose_mid_side_stereo(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->loose_mid_side_stereo;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_max_lpc_order(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->max_lpc_order;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_qlp_coeff_precision(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->qlp_coeff_precision;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_do_qlp_coeff_prec_search(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->do_qlp_coeff_prec_search;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_do_escape_coding(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->do_escape_coding;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_get_do_exhaustive_model_search(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->do_exhaustive_model_search;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_min_residual_partition_order(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->min_residual_partition_order;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_max_residual_partition_order(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->max_residual_partition_order;
+}
+
+FLAC_API unsigned FLAC__stream_encoder_get_rice_parameter_search_dist(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->rice_parameter_search_dist;
+}
+
+FLAC_API FLAC__uint64 FLAC__stream_encoder_get_total_samples_estimate(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        return encoder->protected_->total_samples_estimate;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_process(FLAC__StreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples)
+{
+        unsigned i, j = 0, channel;
+        const unsigned channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize;
+
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
+
+        do {
+                const unsigned n = min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j);
+
+                if(encoder->protected_->verify)
+                        append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, n);
+
+                for(channel = 0; channel < channels; channel++)
+                        memcpy(&encoder->private_->integer_signal[channel][encoder->private_->current_sample_number], &buffer[channel][j], sizeof(buffer[channel][0]) * n);
+
+                if(encoder->protected_->do_mid_side_stereo) {
+                        FLAC__ASSERT(channels == 2);
+                        /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */
+                        for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) {
+                                encoder->private_->integer_signal_mid_side[1][i] = buffer[0][j] - buffer[1][j];
+                                encoder->private_->integer_signal_mid_side[0][i] = (buffer[0][j] + buffer[1][j]) >> 1; /* NOTE: not the same as 'mid = (buffer[0][j] + buffer[1][j]) / 2' ! */
+                        }
+                }
+                else
+                        j += n;
+
+                encoder->private_->current_sample_number += n;
+
+                /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */
+                if(encoder->private_->current_sample_number > blocksize) {
+                        FLAC__ASSERT(encoder->private_->current_sample_number == blocksize+OVERREAD_);
+                        FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */
+                        if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false))
+                                return false;
+                        /* move unprocessed overread samples to beginnings of arrays */
+                        for(channel = 0; channel < channels; channel++)
+                                encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize];
+                        if(encoder->protected_->do_mid_side_stereo) {
+                                encoder->private_->integer_signal_mid_side[0][0] = encoder->private_->integer_signal_mid_side[0][blocksize];
+                                encoder->private_->integer_signal_mid_side[1][0] = encoder->private_->integer_signal_mid_side[1][blocksize];
+                        }
+                        encoder->private_->current_sample_number = 1;
+                }
+        } while(j < samples);
+
+        return true;
+}
+
+FLAC_API FLAC__bool FLAC__stream_encoder_process_interleaved(FLAC__StreamEncoder *encoder, const FLAC__int32 buffer[], unsigned samples)
+{
+        unsigned i, j, k, channel;
+        FLAC__int32 x, mid, side;
+        const unsigned channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize;
+
+        FLAC__ASSERT(0 != encoder);
+        FLAC__ASSERT(0 != encoder->private_);
+        FLAC__ASSERT(0 != encoder->protected_);
+        FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
+
+        j = k = 0;
+        /*
+         * we have several flavors of the same basic loop, optimized for
+         * different conditions:
+         */
+        if(encoder->protected_->do_mid_side_stereo && channels == 2) {
+                /*
+                 * stereo coding: unroll channel loop
+                 */
+                do {
+                        if(encoder->protected_->verify)
+                                append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j));
+
+                        /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */
+                        for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) {
+                                encoder->private_->integer_signal[0][i] = mid = side = buffer[k++];
+                                x = buffer[k++];
+                                encoder->private_->integer_signal[1][i] = x;
+                                mid += x;
+                                side -= x;
+                                mid >>= 1; /* NOTE: not the same as 'mid = (left + right) / 2' ! */
+                                encoder->private_->integer_signal_mid_side[1][i] = side;
+                                encoder->private_->integer_signal_mid_side[0][i] = mid;
+                        }
+                        encoder->private_->current_sample_number = i;
+                        /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */
+                        if(i > blocksize) {
+                                if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false))
+                                        return false;
+                                /* move unprocessed overread samples to beginnings of arrays */
+                                FLAC__ASSERT(i == blocksize+OVERREAD_);
+                                FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */
+                                encoder->private_->integer_signal[0][0] = encoder->private_->integer_signal[0][blocksize];
+                                encoder->private_->integer_signal[1][0] = encoder->private_->integer_signal[1][blocksize];
+                                encoder->private_->integer_signal_mid_side[0][0] = encoder->private_->integer_signal_mid_side[0][blocksize];
+                                encoder->private_->integer_signal_mid_side[1][0] = encoder->private_->integer_signal_mid_side[1][blocksize];
+                                encoder->private_->current_sample_number = 1;
+                        }
+                } while(j < samples);
+        }
+        else {
+                /*
+                 * independent channel coding: buffer each channel in inner loop
+                 */
+                do {
+                        if(encoder->protected_->verify)
+                                append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j));
+
+                        /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */
+                        for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) {
+                                for(channel = 0; channel < channels; channel++)
+                                        encoder->private_->integer_signal[channel][i] = buffer[k++];
+                        }
+                        encoder->private_->current_sample_number = i;
+                        /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */
+                        if(i > blocksize) {
+                                if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false))
+                                        return false;
+                                /* move unprocessed overread samples to beginnings of arrays */
+                                FLAC__ASSERT(i == blocksize+OVERREAD_);
+                                FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */
+                                for(channel = 0; channel < channels; channel++)
+                                        encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize];
+                                encoder->private_->current_sample_number = 1;
+                        }
+                } while(j < samples);
+        }
+
+        return true;
+}
+
+/***********************************************************************
+ *
+ * Private class methods
+ *
+ ***********************************************************************/
+
+void set_defaults_(FLAC__StreamEncoder *encoder)
+{
+        FLAC__ASSERT(0 != encoder);
+
+#ifdef FLAC__MANDATORY_VERIFY_WHILE_ENCODING
+        encoder->protected_->verify = true;
+#else
+        encoder->protected_->verify = false;
+#endif
+        encoder->protected_->streamable_subset = true;
+        encoder->protected_->do_md5 = true;
+        encoder->protected_->do_mid_side_stereo = false;
+        encoder->protected_->loose_mid_side_stereo = false;
+        encoder->protected_->channels = 2;
+        encoder->protected_->bits_per_sample = 16;
+        encoder->protected_->sample_rate = 44100;
+        encoder->protected_->blocksize = 0;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        encoder->protected_->num_apodizations = 1;
+        encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
+        encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
+#endif
+        encoder->protected_->max_lpc_order = 0;
+        encoder->protected_->qlp_coeff_precision = 0;
+        encoder->protected_->do_qlp_coeff_prec_search = false;
+        encoder->protected_->do_exhaustive_model_search = false;
+        encoder->protected_->do_escape_coding = false;
+        encoder->protected_->min_residual_partition_order = 0;
+        encoder->protected_->max_residual_partition_order = 0;
+        encoder->protected_->rice_parameter_search_dist = 0;
+        encoder->protected_->total_samples_estimate = 0;
+        encoder->protected_->metadata = 0;
+        encoder->protected_->num_metadata_blocks = 0;
+
+        encoder->private_->seek_table = 0;
+        encoder->private_->disable_constant_subframes = false;
+        encoder->private_->disable_fixed_subframes = false;
+        encoder->private_->disable_verbatim_subframes = false;
+#if FLAC__HAS_OGG
+        encoder->private_->is_ogg = false;
+#endif
+        encoder->private_->read_callback = 0;
+        encoder->private_->write_callback = 0;
+        encoder->private_->seek_callback = 0;
+        encoder->private_->tell_callback = 0;
+        encoder->private_->metadata_callback = 0;
+        encoder->private_->progress_callback = 0;
+        encoder->private_->client_data = 0;
+
+#if FLAC__HAS_OGG
+        FLAC__ogg_encoder_aspect_set_defaults(&encoder->protected_->ogg_encoder_aspect);
+#endif
+}
+
+void free_(FLAC__StreamEncoder *encoder)
+{
+        unsigned i, channel;
+
+        FLAC__ASSERT(0 != encoder);
+        if(encoder->protected_->metadata) {
+                free(encoder->protected_->metadata);
+                encoder->protected_->metadata = 0;
+                encoder->protected_->num_metadata_blocks = 0;
+        }
+        for(i = 0; i < encoder->protected_->channels; i++) {
+                if(0 != encoder->private_->integer_signal_unaligned[i]) {
+                        free(encoder->private_->integer_signal_unaligned[i]);
+                        encoder->private_->integer_signal_unaligned[i] = 0;
+                }
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+                if(0 != encoder->private_->real_signal_unaligned[i]) {
+                        free(encoder->private_->real_signal_unaligned[i]);
+                        encoder->private_->real_signal_unaligned[i] = 0;
+                }
+#endif
+        }
+        for(i = 0; i < 2; i++) {
+                if(0 != encoder->private_->integer_signal_mid_side_unaligned[i]) {
+                        free(encoder->private_->integer_signal_mid_side_unaligned[i]);
+                        encoder->private_->integer_signal_mid_side_unaligned[i] = 0;
+                }
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+                if(0 != encoder->private_->real_signal_mid_side_unaligned[i]) {
+                        free(encoder->private_->real_signal_mid_side_unaligned[i]);
+                        encoder->private_->real_signal_mid_side_unaligned[i] = 0;
+                }
+#endif
+        }
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        for(i = 0; i < encoder->protected_->num_apodizations; i++) {
+                if(0 != encoder->private_->window_unaligned[i]) {
+                        free(encoder->private_->window_unaligned[i]);
+                        encoder->private_->window_unaligned[i] = 0;
+                }
+        }
+        if(0 != encoder->private_->windowed_signal_unaligned) {
+                free(encoder->private_->windowed_signal_unaligned);
+                encoder->private_->windowed_signal_unaligned = 0;
+        }
+#endif
+        for(channel = 0; channel < encoder->protected_->channels; channel++) {
+                for(i = 0; i < 2; i++) {
+                        if(0 != encoder->private_->residual_workspace_unaligned[channel][i]) {
+                                free(encoder->private_->residual_workspace_unaligned[channel][i]);
+                                encoder->private_->residual_workspace_unaligned[channel][i] = 0;
+                        }
+                }
+        }
+        for(channel = 0; channel < 2; channel++) {
+                for(i = 0; i < 2; i++) {
+                        if(0 != encoder->private_->residual_workspace_mid_side_unaligned[channel][i]) {
+                                free(encoder->private_->residual_workspace_mid_side_unaligned[channel][i]);
+                                encoder->private_->residual_workspace_mid_side_unaligned[channel][i] = 0;
+                        }
+                }
+        }
+        if(0 != encoder->private_->abs_residual_partition_sums_unaligned) {
+                free(encoder->private_->abs_residual_partition_sums_unaligned);
+                encoder->private_->abs_residual_partition_sums_unaligned = 0;
+        }
+        if(0 != encoder->private_->raw_bits_per_partition_unaligned) {
+                free(encoder->private_->raw_bits_per_partition_unaligned);
+                encoder->private_->raw_bits_per_partition_unaligned = 0;
+        }
+        if(encoder->protected_->verify) {
+                for(i = 0; i < encoder->protected_->channels; i++) {
+                        if(0 != encoder->private_->verify.input_fifo.data[i]) {
+                                free(encoder->private_->verify.input_fifo.data[i]);
+                                encoder->private_->verify.input_fifo.data[i] = 0;
+                        }
+                }
+        }
+        FLAC__bitwriter_free(encoder->private_->frame);
+}
+
+FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_blocksize)
+{
+        FLAC__bool ok;
+        unsigned i, channel;
+
+        FLAC__ASSERT(new_blocksize > 0);
+        FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
+        FLAC__ASSERT(encoder->private_->current_sample_number == 0);
+
+        /* To avoid excessive malloc'ing, we only grow the buffer; no shrinking. */
+        if(new_blocksize <= encoder->private_->input_capacity)
+                return true;
+
+        ok = true;
+
+        /* WATCHOUT: FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx()
+         * requires that the input arrays (in our case the integer signals)
+         * have a buffer of up to 3 zeroes in front (at negative indices) for
+         * alignment purposes; we use 4 in front to keep the data well-aligned.
+         */
+
+        for(i = 0; ok && i < encoder->protected_->channels; i++) {
+                ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_unaligned[i], &encoder->private_->integer_signal[i]);
+                memset(encoder->private_->integer_signal[i], 0, sizeof(FLAC__int32)*4);
+                encoder->private_->integer_signal[i] += 4;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+#if 0 /* @@@ currently unused */
+                if(encoder->protected_->max_lpc_order > 0)
+                        ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_unaligned[i], &encoder->private_->real_signal[i]);
+#endif
+#endif
+        }
+        for(i = 0; ok && i < 2; i++) {
+                ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_mid_side_unaligned[i], &encoder->private_->integer_signal_mid_side[i]);
+                memset(encoder->private_->integer_signal_mid_side[i], 0, sizeof(FLAC__int32)*4);
+                encoder->private_->integer_signal_mid_side[i] += 4;
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+#if 0 /* @@@ currently unused */
+                if(encoder->protected_->max_lpc_order > 0)
+                        ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_mid_side_unaligned[i], &encoder->private_->real_signal_mid_side[i]);
+#endif
+#endif
+        }
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        if(ok && encoder->protected_->max_lpc_order > 0) {
+                for(i = 0; ok && i < encoder->protected_->num_apodizations; i++)
+                        ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->window_unaligned[i], &encoder->private_->window[i]);
+                ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->windowed_signal_unaligned, &encoder->private_->windowed_signal);
+        }
+#endif
+        for(channel = 0; ok && channel < encoder->protected_->channels; channel++) {
+                for(i = 0; ok && i < 2; i++) {
+                        ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_unaligned[channel][i], &encoder->private_->residual_workspace[channel][i]);
+                }
+        }
+        for(channel = 0; ok && channel < 2; channel++) {
+                for(i = 0; ok && i < 2; i++) {
+                        ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_mid_side_unaligned[channel][i], &encoder->private_->residual_workspace_mid_side[channel][i]);
+                }
+        }
+        /* the *2 is an approximation to the series 1 + 1/2 + 1/4 + ... that sums tree occupies in a flat array */
+        /*@@@ new_blocksize*2 is too pessimistic, but to fix, we need smarter logic because a smaller new_blocksize can actually increase the # of partitions; would require moving this out into a separate function, then checking its capacity against the need of the current blocksize&min/max_partition_order (and maybe predictor order) */
+        ok = ok && FLAC__memory_alloc_aligned_uint64_array(new_blocksize * 2, &encoder->private_->abs_residual_partition_sums_unaligned, &encoder->private_->abs_residual_partition_sums);
+        if(encoder->protected_->do_escape_coding)
+                ok = ok && FLAC__memory_alloc_aligned_unsigned_array(new_blocksize * 2, &encoder->private_->raw_bits_per_partition_unaligned, &encoder->private_->raw_bits_per_partition);
+
+        /* now adjust the windows if the blocksize has changed */
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        if(ok && new_blocksize != encoder->private_->input_capacity && encoder->protected_->max_lpc_order > 0) {
+                for(i = 0; ok && i < encoder->protected_->num_apodizations; i++) {
+                        switch(encoder->protected_->apodizations[i].type) {
+                                case FLAC__APODIZATION_BARTLETT:
+                                        FLAC__window_bartlett(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_BARTLETT_HANN:
+                                        FLAC__window_bartlett_hann(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_BLACKMAN:
+                                        FLAC__window_blackman(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE:
+                                        FLAC__window_blackman_harris_4term_92db_sidelobe(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_CONNES:
+                                        FLAC__window_connes(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_FLATTOP:
+                                        FLAC__window_flattop(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_GAUSS:
+                                        FLAC__window_gauss(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.gauss.stddev);
+                                        break;
+                                case FLAC__APODIZATION_HAMMING:
+                                        FLAC__window_hamming(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_HANN:
+                                        FLAC__window_hann(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_KAISER_BESSEL:
+                                        FLAC__window_kaiser_bessel(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_NUTTALL:
+                                        FLAC__window_nuttall(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_RECTANGLE:
+                                        FLAC__window_rectangle(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_TRIANGLE:
+                                        FLAC__window_triangle(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                case FLAC__APODIZATION_TUKEY:
+                                        FLAC__window_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.tukey.p);
+                                        break;
+                                case FLAC__APODIZATION_WELCH:
+                                        FLAC__window_welch(encoder->private_->window[i], new_blocksize);
+                                        break;
+                                default:
+                                        FLAC__ASSERT(0);
+                                        /* double protection */
+                                        FLAC__window_hann(encoder->private_->window[i], new_blocksize);
+                                        break;
+                        }
+                }
+        }
+#endif
+
+        if(ok)
+                encoder->private_->input_capacity = new_blocksize;
+        else
+                encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
+
+        return ok;
+}
+
+FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples, FLAC__bool is_last_block)
+{
+        const FLAC__byte *buffer;
+        size_t bytes;
+
+        FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame));
+
+        if(!FLAC__bitwriter_get_buffer(encoder->private_->frame, &buffer, &bytes)) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
+                return false;
+        }
+
+        if(encoder->protected_->verify) {
+                encoder->private_->verify.output.data = buffer;
+                encoder->private_->verify.output.bytes = bytes;
+                if(encoder->private_->verify.state_hint == ENCODER_IN_MAGIC) {
+                        encoder->private_->verify.needs_magic_hack = true;
+                }
+                else {
+                        if(!FLAC__stream_decoder_process_single(encoder->private_->verify.decoder)) {
+                                FLAC__bitwriter_release_buffer(encoder->private_->frame);
+                                FLAC__bitwriter_clear(encoder->private_->frame);
+                                if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
+                                        encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
+                                return false;
+                        }
+                }
+        }
+
+        if(write_frame_(encoder, buffer, bytes, samples, is_last_block) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
+                FLAC__bitwriter_release_buffer(encoder->private_->frame);
+                FLAC__bitwriter_clear(encoder->private_->frame);
+                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                return false;
+        }
+
+        FLAC__bitwriter_release_buffer(encoder->private_->frame);
+        FLAC__bitwriter_clear(encoder->private_->frame);
+
+        if(samples > 0) {
+                encoder->private_->streaminfo.data.stream_info.min_framesize = min(bytes, encoder->private_->streaminfo.data.stream_info.min_framesize);
+                encoder->private_->streaminfo.data.stream_info.max_framesize = max(bytes, encoder->private_->streaminfo.data.stream_info.max_framesize);
+        }
+
+        return true;
+}
+
+FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, FLAC__bool is_last_block)
+{
+        FLAC__StreamEncoderWriteStatus status;
+        FLAC__uint64 output_position = 0;
+
+        /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */
+        if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &output_position, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
+        }
+
+        /*
+         * Watch for the STREAMINFO block and first SEEKTABLE block to go by and store their offsets.
+         */
+        if(samples == 0) {
+                FLAC__MetadataType type = (buffer[0] & 0x7f);
+                if(type == FLAC__METADATA_TYPE_STREAMINFO)
+                        encoder->protected_->streaminfo_offset = output_position;
+                else if(type == FLAC__METADATA_TYPE_SEEKTABLE && encoder->protected_->seektable_offset == 0)
+                        encoder->protected_->seektable_offset = output_position;
+        }
+
+        /*
+         * Mark the current seek point if hit (if audio_offset == 0 that
+         * means we're still writing metadata and haven't hit the first
+         * frame yet)
+         */
+        if(0 != encoder->private_->seek_table && encoder->protected_->audio_offset > 0 && encoder->private_->seek_table->num_points > 0) {
+                const unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder);
+                const FLAC__uint64 frame_first_sample = encoder->private_->samples_written;
+                const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1;
+                FLAC__uint64 test_sample;
+                unsigned i;
+                for(i = encoder->private_->first_seekpoint_to_check; i < encoder->private_->seek_table->num_points; i++) {
+                        test_sample = encoder->private_->seek_table->points[i].sample_number;
+                        if(test_sample > frame_last_sample) {
+                                break;
+                        }
+                        else if(test_sample >= frame_first_sample) {
+                                encoder->private_->seek_table->points[i].sample_number = frame_first_sample;
+                                encoder->private_->seek_table->points[i].stream_offset = output_position - encoder->protected_->audio_offset;
+                                encoder->private_->seek_table->points[i].frame_samples = blocksize;
+                                encoder->private_->first_seekpoint_to_check++;
+                                /* DO NOT: "break;" and here's why:
+                                 * The seektable template may contain more than one target
+                                 * sample for any given frame; we will keep looping, generating
+                                 * duplicate seekpoints for them, and we'll clean it up later,
+                                 * just before writing the seektable back to the metadata.
+                                 */
+                        }
+                        else {
+                                encoder->private_->first_seekpoint_to_check++;
+                        }
+                }
+        }
+
+#if FLAC__HAS_OGG
+        if(encoder->private_->is_ogg) {
+                status = FLAC__ogg_encoder_aspect_write_callback_wrapper(
+                        &encoder->protected_->ogg_encoder_aspect,
+                        buffer,
+                        bytes,
+                        samples,
+                        encoder->private_->current_frame_number,
+                        is_last_block,
+                        (FLAC__OggEncoderAspectWriteCallbackProxy)encoder->private_->write_callback,
+                        encoder,
+                        encoder->private_->client_data
+                );
+        }
+        else
+#endif
+        status = encoder->private_->write_callback(encoder, buffer, bytes, samples, encoder->private_->current_frame_number, encoder->private_->client_data);
+
+        if(status == FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
+                encoder->private_->bytes_written += bytes;
+                encoder->private_->samples_written += samples;
+                /* we keep a high watermark on the number of frames written because
+                 * when the encoder goes back to write metadata, 'current_frame'
+                 * will drop back to 0.
+                 */
+                encoder->private_->frames_written = max(encoder->private_->frames_written, encoder->private_->current_frame_number+1);
+        }
+        else
+                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+
+        return status;
+}
+
+/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks.  */
+void update_metadata_(const FLAC__StreamEncoder *encoder)
+{
+        FLAC__byte b[max(6, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)];
+        const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo;
+        const FLAC__uint64 samples = metadata->data.stream_info.total_samples;
+        const unsigned min_framesize = metadata->data.stream_info.min_framesize;
+        const unsigned max_framesize = metadata->data.stream_info.max_framesize;
+        const unsigned bps = metadata->data.stream_info.bits_per_sample;
+        FLAC__StreamEncoderSeekStatus seek_status;
+
+        FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO);
+
+        /* All this is based on intimate knowledge of the stream header
+         * layout, but a change to the header format that would break this
+         * would also break all streams encoded in the previous format.
+         */
+
+        /*
+         * Write MD5 signature
+         */
+        {
+                const unsigned md5_offset =
+                        FLAC__STREAM_METADATA_HEADER_LENGTH +
+                        (
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN
+                        ) / 8;
+
+                if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + md5_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
+                        if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                        return;
+                }
+                if(encoder->private_->write_callback(encoder, metadata->data.stream_info.md5sum, 16, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                        return;
+                }
+        }
+
+        /*
+         * Write total samples
+         */
+        {
+                const unsigned total_samples_byte_offset =
+                        FLAC__STREAM_METADATA_HEADER_LENGTH +
+                        (
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN
+                                - 4
+                        ) / 8;
+
+                b[0] = ((FLAC__byte)(bps-1) << 4) | (FLAC__byte)((samples >> 32) & 0x0F);
+                b[1] = (FLAC__byte)((samples >> 24) & 0xFF);
+                b[2] = (FLAC__byte)((samples >> 16) & 0xFF);
+                b[3] = (FLAC__byte)((samples >> 8) & 0xFF);
+                b[4] = (FLAC__byte)(samples & 0xFF);
+                if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + total_samples_byte_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
+                        if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                        return;
+                }
+                if(encoder->private_->write_callback(encoder, b, 5, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                        return;
+                }
+        }
+
+        /*
+         * Write min/max framesize
+         */
+        {
+                const unsigned min_framesize_offset =
+                        FLAC__STREAM_METADATA_HEADER_LENGTH +
+                        (
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN
+                        ) / 8;
+
+                b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF);
+                b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF);
+                b[2] = (FLAC__byte)(min_framesize & 0xFF);
+                b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF);
+                b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF);
+                b[5] = (FLAC__byte)(max_framesize & 0xFF);
+                if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + min_framesize_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
+                        if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                        return;
+                }
+                if(encoder->private_->write_callback(encoder, b, 6, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                        return;
+                }
+        }
+
+        /*
+         * Write seektable
+         */
+        if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) {
+                unsigned i;
+
+                FLAC__format_seektable_sort(encoder->private_->seek_table);
+
+                FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table));
+
+                if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->seektable_offset + FLAC__STREAM_METADATA_HEADER_LENGTH, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
+                        if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                        return;
+                }
+
+                for(i = 0; i < encoder->private_->seek_table->num_points; i++) {
+                        FLAC__uint64 xx;
+                        unsigned x;
+                        xx = encoder->private_->seek_table->points[i].sample_number;
+                        b[7] = (FLAC__byte)xx; xx >>= 8;
+                        b[6] = (FLAC__byte)xx; xx >>= 8;
+                        b[5] = (FLAC__byte)xx; xx >>= 8;
+                        b[4] = (FLAC__byte)xx; xx >>= 8;
+                        b[3] = (FLAC__byte)xx; xx >>= 8;
+                        b[2] = (FLAC__byte)xx; xx >>= 8;
+                        b[1] = (FLAC__byte)xx; xx >>= 8;
+                        b[0] = (FLAC__byte)xx; xx >>= 8;
+                        xx = encoder->private_->seek_table->points[i].stream_offset;
+                        b[15] = (FLAC__byte)xx; xx >>= 8;
+                        b[14] = (FLAC__byte)xx; xx >>= 8;
+                        b[13] = (FLAC__byte)xx; xx >>= 8;
+                        b[12] = (FLAC__byte)xx; xx >>= 8;
+                        b[11] = (FLAC__byte)xx; xx >>= 8;
+                        b[10] = (FLAC__byte)xx; xx >>= 8;
+                        b[9] = (FLAC__byte)xx; xx >>= 8;
+                        b[8] = (FLAC__byte)xx; xx >>= 8;
+                        x = encoder->private_->seek_table->points[i].frame_samples;
+                        b[17] = (FLAC__byte)x; x >>= 8;
+                        b[16] = (FLAC__byte)x; x >>= 8;
+                        if(encoder->private_->write_callback(encoder, b, 18, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
+                                return;
+                        }
+                }
+        }
+}
+
+#if FLAC__HAS_OGG
+/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks.  */
+void update_ogg_metadata_(FLAC__StreamEncoder *encoder)
+{
+        /* the # of bytes in the 1st packet that precede the STREAMINFO */
+        static const unsigned FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH =
+                FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH +
+                FLAC__OGG_MAPPING_MAGIC_LENGTH +
+                FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH +
+                FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH +
+                FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH +
+                FLAC__STREAM_SYNC_LENGTH
+        ;
+        FLAC__byte b[max(6, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)];
+        const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo;
+        const FLAC__uint64 samples = metadata->data.stream_info.total_samples;
+        const unsigned min_framesize = metadata->data.stream_info.min_framesize;
+        const unsigned max_framesize = metadata->data.stream_info.max_framesize;
+        ogg_page page;
+
+        FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO);
+        FLAC__ASSERT(0 != encoder->private_->seek_callback);
+
+        /* Pre-check that client supports seeking, since we don't want the
+         * ogg_helper code to ever have to deal with this condition.
+         */
+        if(encoder->private_->seek_callback(encoder, 0, encoder->private_->client_data) == FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED)
+                return;
+
+        /* All this is based on intimate knowledge of the stream header
+         * layout, but a change to the header format that would break this
+         * would also break all streams encoded in the previous format.
+         */
+
+        /**
+         ** Write STREAMINFO stats
+         **/
+        simple_ogg_page__init(&page);
+        if(!simple_ogg_page__get_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) {
+                simple_ogg_page__clear(&page);
+                return; /* state already set */
+        }
+
+        /*
+         * Write MD5 signature
+         */
+        {
+                const unsigned md5_offset =
+                        FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH +
+                        FLAC__STREAM_METADATA_HEADER_LENGTH +
+                        (
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN
+                        ) / 8;
+
+                if(md5_offset + 16 > (unsigned)page.body_len) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
+                        simple_ogg_page__clear(&page);
+                        return;
+                }
+                memcpy(page.body + md5_offset, metadata->data.stream_info.md5sum, 16);
+        }
+
+        /*
+         * Write total samples
+         */
+        {
+                const unsigned total_samples_byte_offset =
+                        FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH +
+                        FLAC__STREAM_METADATA_HEADER_LENGTH +
+                        (
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN
+                                - 4
+                        ) / 8;
+
+                if(total_samples_byte_offset + 5 > (unsigned)page.body_len) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
+                        simple_ogg_page__clear(&page);
+                        return;
+                }
+                b[0] = (FLAC__byte)page.body[total_samples_byte_offset] & 0xF0;
+                b[0] |= (FLAC__byte)((samples >> 32) & 0x0F);
+                b[1] = (FLAC__byte)((samples >> 24) & 0xFF);
+                b[2] = (FLAC__byte)((samples >> 16) & 0xFF);
+                b[3] = (FLAC__byte)((samples >> 8) & 0xFF);
+                b[4] = (FLAC__byte)(samples & 0xFF);
+                memcpy(page.body + total_samples_byte_offset, b, 5);
+        }
+
+        /*
+         * Write min/max framesize
+         */
+        {
+                const unsigned min_framesize_offset =
+                        FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH +
+                        FLAC__STREAM_METADATA_HEADER_LENGTH +
+                        (
+                                FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
+                                FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN
+                        ) / 8;
+
+                if(min_framesize_offset + 6 > (unsigned)page.body_len) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
+                        simple_ogg_page__clear(&page);
+                        return;
+                }
+                b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF);
+                b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF);
+                b[2] = (FLAC__byte)(min_framesize & 0xFF);
+                b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF);
+                b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF);
+                b[5] = (FLAC__byte)(max_framesize & 0xFF);
+                memcpy(page.body + min_framesize_offset, b, 6);
+        }
+        if(!simple_ogg_page__set_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) {
+                simple_ogg_page__clear(&page);
+                return; /* state already set */
+        }
+        simple_ogg_page__clear(&page);
+
+        /*
+         * Write seektable
+         */
+        if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) {
+                unsigned i;
+                FLAC__byte *p;
+
+                FLAC__format_seektable_sort(encoder->private_->seek_table);
+
+                FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table));
+
+                simple_ogg_page__init(&page);
+                if(!simple_ogg_page__get_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) {
+                        simple_ogg_page__clear(&page);
+                        return; /* state already set */
+                }
+
+                if((FLAC__STREAM_METADATA_HEADER_LENGTH + 18*encoder->private_->seek_table->num_points) != (unsigned)page.body_len) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
+                        simple_ogg_page__clear(&page);
+                        return;
+                }
+
+                for(i = 0, p = page.body + FLAC__STREAM_METADATA_HEADER_LENGTH; i < encoder->private_->seek_table->num_points; i++, p += 18) {
+                        FLAC__uint64 xx;
+                        unsigned x;
+                        xx = encoder->private_->seek_table->points[i].sample_number;
+                        b[7] = (FLAC__byte)xx; xx >>= 8;
+                        b[6] = (FLAC__byte)xx; xx >>= 8;
+                        b[5] = (FLAC__byte)xx; xx >>= 8;
+                        b[4] = (FLAC__byte)xx; xx >>= 8;
+                        b[3] = (FLAC__byte)xx; xx >>= 8;
+                        b[2] = (FLAC__byte)xx; xx >>= 8;
+                        b[1] = (FLAC__byte)xx; xx >>= 8;
+                        b[0] = (FLAC__byte)xx; xx >>= 8;
+                        xx = encoder->private_->seek_table->points[i].stream_offset;
+                        b[15] = (FLAC__byte)xx; xx >>= 8;
+                        b[14] = (FLAC__byte)xx; xx >>= 8;
+                        b[13] = (FLAC__byte)xx; xx >>= 8;
+                        b[12] = (FLAC__byte)xx; xx >>= 8;
+                        b[11] = (FLAC__byte)xx; xx >>= 8;
+                        b[10] = (FLAC__byte)xx; xx >>= 8;
+                        b[9] = (FLAC__byte)xx; xx >>= 8;
+                        b[8] = (FLAC__byte)xx; xx >>= 8;
+                        x = encoder->private_->seek_table->points[i].frame_samples;
+                        b[17] = (FLAC__byte)x; x >>= 8;
+                        b[16] = (FLAC__byte)x; x >>= 8;
+                        memcpy(p, b, 18);
+                }
+
+                if(!simple_ogg_page__set_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) {
+                        simple_ogg_page__clear(&page);
+                        return; /* state already set */
+                }
+                simple_ogg_page__clear(&page);
+        }
+}
+#endif
+
+FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block, FLAC__bool is_last_block)
+{
+        FLAC__uint16 crc;
+        FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
+
+        /*
+         * Accumulate raw signal to the MD5 signature
+         */
+        if(encoder->protected_->do_md5 && !FLAC__MD5Accumulate(&encoder->private_->md5context, (const FLAC__int32 * const *)encoder->private_->integer_signal, encoder->protected_->channels, encoder->protected_->blocksize, (encoder->protected_->bits_per_sample+7) / 8)) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
+                return false;
+        }
+
+        /*
+         * Process the frame header and subframes into the frame bitbuffer
+         */
+        if(!process_subframes_(encoder, is_fractional_block)) {
+                /* the above function sets the state for us in case of an error */
+                return false;
+        }
+
+        /*
+         * Zero-pad the frame to a byte_boundary
+         */
+        if(!FLAC__bitwriter_zero_pad_to_byte_boundary(encoder->private_->frame)) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
+                return false;
+        }
+
+        /*
+         * CRC-16 the whole thing
+         */
+        FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame));
+        if(
+                !FLAC__bitwriter_get_write_crc16(encoder->private_->frame, &crc) ||
+                !FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, crc, FLAC__FRAME_FOOTER_CRC_LEN)
+        ) {
+                encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
+                return false;
+        }
+
+        /*
+         * Write it
+         */
+        if(!write_bitbuffer_(encoder, encoder->protected_->blocksize, is_last_block)) {
+                /* the above function sets the state for us in case of an error */
+                return false;
+        }
+
+        /*
+         * Get ready for the next frame
+         */
+        encoder->private_->current_sample_number = 0;
+        encoder->private_->current_frame_number++;
+        encoder->private_->streaminfo.data.stream_info.total_samples += (FLAC__uint64)encoder->protected_->blocksize;
+
+        return true;
+}
+
+FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block)
+{
+        FLAC__FrameHeader frame_header;
+        unsigned channel, min_partition_order = encoder->protected_->min_residual_partition_order, max_partition_order;
+        FLAC__bool do_independent, do_mid_side;
+
+        /*
+         * Calculate the min,max Rice partition orders
+         */
+        if(is_fractional_block) {
+                max_partition_order = 0;
+        }
+        else {
+                max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize(encoder->protected_->blocksize);
+                max_partition_order = min(max_partition_order, encoder->protected_->max_residual_partition_order);
+        }
+        min_partition_order = min(min_partition_order, max_partition_order);
+
+        /*
+         * Setup the frame
+         */
+        frame_header.blocksize = encoder->protected_->blocksize;
+        frame_header.sample_rate = encoder->protected_->sample_rate;
+        frame_header.channels = encoder->protected_->channels;
+        frame_header.channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT; /* the default unless the encoder determines otherwise */
+        frame_header.bits_per_sample = encoder->protected_->bits_per_sample;
+        frame_header.number_type = FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER;
+        frame_header.number.frame_number = encoder->private_->current_frame_number;
+
+        /*
+         * Figure out what channel assignments to try
+         */
+        if(encoder->protected_->do_mid_side_stereo) {
+                if(encoder->protected_->loose_mid_side_stereo) {
+                        if(encoder->private_->loose_mid_side_stereo_frame_count == 0) {
+                                do_independent = true;
+                                do_mid_side = true;
+                        }
+                        else {
+                                do_independent = (encoder->private_->last_channel_assignment == FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT);
+                                do_mid_side = !do_independent;
+                        }
+                }
+                else {
+                        do_independent = true;
+                        do_mid_side = true;
+                }
+        }
+        else {
+                do_independent = true;
+                do_mid_side = false;
+        }
+
+        FLAC__ASSERT(do_independent || do_mid_side);
+
+        /*
+         * Check for wasted bits; set effective bps for each subframe
+         */
+        if(do_independent) {
+                for(channel = 0; channel < encoder->protected_->channels; channel++) {
+                        const unsigned w = get_wasted_bits_(encoder->private_->integer_signal[channel], encoder->protected_->blocksize);
+                        encoder->private_->subframe_workspace[channel][0].wasted_bits = encoder->private_->subframe_workspace[channel][1].wasted_bits = w;
+                        encoder->private_->subframe_bps[channel] = encoder->protected_->bits_per_sample - w;
+                }
+        }
+        if(do_mid_side) {
+                FLAC__ASSERT(encoder->protected_->channels == 2);
+                for(channel = 0; channel < 2; channel++) {
+                        const unsigned w = get_wasted_bits_(encoder->private_->integer_signal_mid_side[channel], encoder->protected_->blocksize);
+                        encoder->private_->subframe_workspace_mid_side[channel][0].wasted_bits = encoder->private_->subframe_workspace_mid_side[channel][1].wasted_bits = w;
+                        encoder->private_->subframe_bps_mid_side[channel] = encoder->protected_->bits_per_sample - w + (channel==0? 0:1);
+                }
+        }
+
+        /*
+         * First do a normal encoding pass of each independent channel
+         */
+        if(do_independent) {
+                for(channel = 0; channel < encoder->protected_->channels; channel++) {
+                        if(!
+                                process_subframe_(
+                                        encoder,
+                                        min_partition_order,
+                                        max_partition_order,
+                                        &frame_header,
+                                        encoder->private_->subframe_bps[channel],
+                                        encoder->private_->integer_signal[channel],
+                                        encoder->private_->subframe_workspace_ptr[channel],
+                                        encoder->private_->partitioned_rice_contents_workspace_ptr[channel],
+                                        encoder->private_->residual_workspace[channel],
+                                        encoder->private_->best_subframe+channel,
+                                        encoder->private_->best_subframe_bits+channel
+                                )
+                        )
+                                return false;
+                }
+        }
+
+        /*
+         * Now do mid and side channels if requested
+         */
+        if(do_mid_side) {
+                FLAC__ASSERT(encoder->protected_->channels == 2);
+
+                for(channel = 0; channel < 2; channel++) {
+                        if(!
+                                process_subframe_(
+                                        encoder,
+                                        min_partition_order,
+                                        max_partition_order,
+                                        &frame_header,
+                                        encoder->private_->subframe_bps_mid_side[channel],
+                                        encoder->private_->integer_signal_mid_side[channel],
+                                        encoder->private_->subframe_workspace_ptr_mid_side[channel],
+                                        encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[channel],
+                                        encoder->private_->residual_workspace_mid_side[channel],
+                                        encoder->private_->best_subframe_mid_side+channel,
+                                        encoder->private_->best_subframe_bits_mid_side+channel
+                                )
+                        )
+                                return false;
+                }
+        }
+
+        /*
+         * Compose the frame bitbuffer
+         */
+        if(do_mid_side) {
+                unsigned left_bps = 0, right_bps = 0; /* initialized only to prevent superfluous compiler warning */
+                FLAC__Subframe *left_subframe = 0, *right_subframe = 0; /* initialized only to prevent superfluous compiler warning */
+                FLAC__ChannelAssignment channel_assignment;
+
+                FLAC__ASSERT(encoder->protected_->channels == 2);
+
+                if(encoder->protected_->loose_mid_side_stereo && encoder->private_->loose_mid_side_stereo_frame_count > 0) {
+                        channel_assignment = (encoder->private_->last_channel_assignment == FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT? FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT : FLAC__CHANNEL_ASSIGNMENT_MID_SIDE);
+                }
+                else {
+                        unsigned bits[4]; /* WATCHOUT - indexed by FLAC__ChannelAssignment */
+                        unsigned min_bits;
+                        int ca;
+
+                        FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT == 0);
+                        FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE   == 1);
+                        FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE  == 2);
+                        FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_MID_SIDE    == 3);
+                        FLAC__ASSERT(do_independent && do_mid_side);
+
+                        /* We have to figure out which channel assignent results in the smallest frame */
+                        bits[FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT] = encoder->private_->best_subframe_bits         [0] + encoder->private_->best_subframe_bits         [1];
+                        bits[FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE  ] = encoder->private_->best_subframe_bits         [0] + encoder->private_->best_subframe_bits_mid_side[1];
+                        bits[FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE ] = encoder->private_->best_subframe_bits         [1] + encoder->private_->best_subframe_bits_mid_side[1];
+                        bits[FLAC__CHANNEL_ASSIGNMENT_MID_SIDE   ] = encoder->private_->best_subframe_bits_mid_side[0] + encoder->private_->best_subframe_bits_mid_side[1];
+
+                        channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT;
+                        min_bits = bits[channel_assignment];
+                        for(ca = 1; ca <= 3; ca++) {
+                                if(bits[ca] < min_bits) {
+                                        min_bits = bits[ca];
+                                        channel_assignment = (FLAC__ChannelAssignment)ca;
+                                }
+                        }
+                }
+
+                frame_header.channel_assignment = channel_assignment;
+
+                if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                        return false;
+                }
+
+                switch(channel_assignment) {
+                        case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
+                                left_subframe  = &encoder->private_->subframe_workspace         [0][encoder->private_->best_subframe         [0]];
+                                right_subframe = &encoder->private_->subframe_workspace         [1][encoder->private_->best_subframe         [1]];
+                                break;
+                        case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
+                                left_subframe  = &encoder->private_->subframe_workspace         [0][encoder->private_->best_subframe         [0]];
+                                right_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]];
+                                break;
+                        case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
+                                left_subframe  = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]];
+                                right_subframe = &encoder->private_->subframe_workspace         [1][encoder->private_->best_subframe         [1]];
+                                break;
+                        case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
+                                left_subframe  = &encoder->private_->subframe_workspace_mid_side[0][encoder->private_->best_subframe_mid_side[0]];
+                                right_subframe = &encoder->private_->subframe_workspace_mid_side[1][encoder->private_->best_subframe_mid_side[1]];
+                                break;
+                        default:
+                                FLAC__ASSERT(0);
+                }
+
+                switch(channel_assignment) {
+                        case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
+                                left_bps  = encoder->private_->subframe_bps         [0];
+                                right_bps = encoder->private_->subframe_bps         [1];
+                                break;
+                        case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
+                                left_bps  = encoder->private_->subframe_bps         [0];
+                                right_bps = encoder->private_->subframe_bps_mid_side[1];
+                                break;
+                        case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
+                                left_bps  = encoder->private_->subframe_bps_mid_side[1];
+                                right_bps = encoder->private_->subframe_bps         [1];
+                                break;
+                        case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
+                                left_bps  = encoder->private_->subframe_bps_mid_side[0];
+                                right_bps = encoder->private_->subframe_bps_mid_side[1];
+                                break;
+                        default:
+                                FLAC__ASSERT(0);
+                }
+
+                /* note that encoder_add_subframe_ sets the state for us in case of an error */
+                if(!add_subframe_(encoder, frame_header.blocksize, left_bps , left_subframe , encoder->private_->frame))
+                        return false;
+                if(!add_subframe_(encoder, frame_header.blocksize, right_bps, right_subframe, encoder->private_->frame))
+                        return false;
+        }
+        else {
+                if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) {
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                        return false;
+                }
+
+                for(channel = 0; channel < encoder->protected_->channels; channel++) {
+                        if(!add_subframe_(encoder, frame_header.blocksize, encoder->private_->subframe_bps[channel], &encoder->private_->subframe_workspace[channel][encoder->private_->best_subframe[channel]], encoder->private_->frame)) {
+                                /* the above function sets the state for us in case of an error */
+                                return false;
+                        }
+                }
+        }
+
+        if(encoder->protected_->loose_mid_side_stereo) {
+                encoder->private_->loose_mid_side_stereo_frame_count++;
+                if(encoder->private_->loose_mid_side_stereo_frame_count >= encoder->private_->loose_mid_side_stereo_frames)
+                        encoder->private_->loose_mid_side_stereo_frame_count = 0;
+        }
+
+        encoder->private_->last_channel_assignment = frame_header.channel_assignment;
+
+        return true;
+}
+
+FLAC__bool process_subframe_(
+        FLAC__StreamEncoder *encoder,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        const FLAC__FrameHeader *frame_header,
+        unsigned subframe_bps,
+        const FLAC__int32 integer_signal[],
+        FLAC__Subframe *subframe[2],
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2],
+        FLAC__int32 *residual[2],
+        unsigned *best_subframe,
+        unsigned *best_bits
+)
+{
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        FLAC__float fixed_residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1];
+#else
+        FLAC__fixedpoint fixed_residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1];
+#endif
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+        FLAC__double lpc_residual_bits_per_sample;
+        FLAC__real autoc[FLAC__MAX_LPC_ORDER+1]; /* WATCHOUT: the size is important even though encoder->protected_->max_lpc_order might be less; some asm routines need all the space */
+        FLAC__double lpc_error[FLAC__MAX_LPC_ORDER];
+        unsigned min_lpc_order, max_lpc_order, lpc_order;
+        unsigned min_qlp_coeff_precision, max_qlp_coeff_precision, qlp_coeff_precision;
+#endif
+        unsigned min_fixed_order, max_fixed_order, guess_fixed_order, fixed_order;
+        unsigned rice_parameter;
+        unsigned _candidate_bits, _best_bits;
+        unsigned _best_subframe;
+        /* only use RICE2 partitions if stream bps > 16 */
+        const unsigned rice_parameter_limit = FLAC__stream_encoder_get_bits_per_sample(encoder) > 16? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
+
+        FLAC__ASSERT(frame_header->blocksize > 0);
+
+        /* verbatim subframe is the baseline against which we measure other compressed subframes */
+        _best_subframe = 0;
+        if(encoder->private_->disable_verbatim_subframes && frame_header->blocksize >= FLAC__MAX_FIXED_ORDER)
+                _best_bits = UINT_MAX;
+        else
+                _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]);
+
+        if(frame_header->blocksize >= FLAC__MAX_FIXED_ORDER) {
+                unsigned signal_is_constant = false;
+                guess_fixed_order = encoder->private_->local_fixed_compute_best_predictor(integer_signal+FLAC__MAX_FIXED_ORDER, frame_header->blocksize-FLAC__MAX_FIXED_ORDER, fixed_residual_bits_per_sample);
+                /* check for constant subframe */
+                if(
+                        !encoder->private_->disable_constant_subframes &&
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+                        fixed_residual_bits_per_sample[1] == 0.0
+#else
+                        fixed_residual_bits_per_sample[1] == FLAC__FP_ZERO
+#endif
+                ) {
+                        /* the above means it's possible all samples are the same value; now double-check it: */
+                        unsigned i;
+                        signal_is_constant = true;
+                        for(i = 1; i < frame_header->blocksize; i++) {
+                                if(integer_signal[0] != integer_signal[i]) {
+                                        signal_is_constant = false;
+                                        break;
+                                }
+                        }
+                }
+                if(signal_is_constant) {
+                        _candidate_bits = evaluate_constant_subframe_(encoder, integer_signal[0], frame_header->blocksize, subframe_bps, subframe[!_best_subframe]);
+                        if(_candidate_bits < _best_bits) {
+                                _best_subframe = !_best_subframe;
+                                _best_bits = _candidate_bits;
+                        }
+                }
+                else {
+                        if(!encoder->private_->disable_fixed_subframes || (encoder->protected_->max_lpc_order == 0 && _best_bits == UINT_MAX)) {
+                                /* encode fixed */
+                                if(encoder->protected_->do_exhaustive_model_search) {
+                                        min_fixed_order = 0;
+                                        max_fixed_order = FLAC__MAX_FIXED_ORDER;
+                                }
+                                else {
+                                        min_fixed_order = max_fixed_order = guess_fixed_order;
+                                }
+                                if(max_fixed_order >= frame_header->blocksize)
+                                        max_fixed_order = frame_header->blocksize - 1;
+                                for(fixed_order = min_fixed_order; fixed_order <= max_fixed_order; fixed_order++) {
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+                                        if(fixed_residual_bits_per_sample[fixed_order] >= (FLAC__float)subframe_bps)
+                                                continue; /* don't even try */
+                                        rice_parameter = (fixed_residual_bits_per_sample[fixed_order] > 0.0)? (unsigned)(fixed_residual_bits_per_sample[fixed_order]+0.5) : 0; /* 0.5 is for rounding */
+#else
+                                        if(FLAC__fixedpoint_trunc(fixed_residual_bits_per_sample[fixed_order]) >= (int)subframe_bps)
+                                                continue; /* don't even try */
+                                        rice_parameter = (fixed_residual_bits_per_sample[fixed_order] > FLAC__FP_ZERO)? (unsigned)FLAC__fixedpoint_trunc(fixed_residual_bits_per_sample[fixed_order]+FLAC__FP_ONE_HALF) : 0; /* 0.5 is for rounding */
+#endif
+                                        rice_parameter++; /* to account for the signed->unsigned conversion during rice coding */
+                                        if(rice_parameter >= rice_parameter_limit) {
+#ifdef DEBUG_VERBOSE
+                                                fprintf(stderr, "clipping rice_parameter (%u -> %u) @0\n", rice_parameter, rice_parameter_limit - 1);
+#endif
+                                                rice_parameter = rice_parameter_limit - 1;
+                                        }
+                                        _candidate_bits =
+                                                evaluate_fixed_subframe_(
+                                                        encoder,
+                                                        integer_signal,
+                                                        residual[!_best_subframe],
+                                                        encoder->private_->abs_residual_partition_sums,
+                                                        encoder->private_->raw_bits_per_partition,
+                                                        frame_header->blocksize,
+                                                        subframe_bps,
+                                                        fixed_order,
+                                                        rice_parameter,
+                                                        rice_parameter_limit,
+                                                        min_partition_order,
+                                                        max_partition_order,
+                                                        encoder->protected_->do_escape_coding,
+                                                        encoder->protected_->rice_parameter_search_dist,
+                                                        subframe[!_best_subframe],
+                                                        partitioned_rice_contents[!_best_subframe]
+                                                );
+                                        if(_candidate_bits < _best_bits) {
+                                                _best_subframe = !_best_subframe;
+                                                _best_bits = _candidate_bits;
+                                        }
+                                }
+                        }
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+                        /* encode lpc */
+                        if(encoder->protected_->max_lpc_order > 0) {
+                                if(encoder->protected_->max_lpc_order >= frame_header->blocksize)
+                                        max_lpc_order = frame_header->blocksize-1;
+                                else
+                                        max_lpc_order = encoder->protected_->max_lpc_order;
+                                if(max_lpc_order > 0) {
+                                        unsigned a;
+                                        for (a = 0; a < encoder->protected_->num_apodizations; a++) {
+                                                FLAC__lpc_window_data(integer_signal, encoder->private_->window[a], encoder->private_->windowed_signal, frame_header->blocksize);
+                                                encoder->private_->local_lpc_compute_autocorrelation(encoder->private_->windowed_signal, frame_header->blocksize, max_lpc_order+1, autoc);
+                                                /* if autoc[0] == 0.0, the signal is constant and we usually won't get here, but it can happen */
+                                                if(autoc[0] != 0.0) {
+                                                        FLAC__lpc_compute_lp_coefficients(autoc, &max_lpc_order, encoder->private_->lp_coeff, lpc_error);
+                                                        if(encoder->protected_->do_exhaustive_model_search) {
+                                                                min_lpc_order = 1;
+                                                        }
+                                                        else {
+                                                                const unsigned guess_lpc_order =
+                                                                        FLAC__lpc_compute_best_order(
+                                                                                lpc_error,
+                                                                                max_lpc_order,
+                                                                                frame_header->blocksize,
+                                                                                subframe_bps + (
+                                                                                        encoder->protected_->do_qlp_coeff_prec_search?
+                                                                                                FLAC__MIN_QLP_COEFF_PRECISION : /* have to guess; use the min possible size to avoid accidentally favoring lower orders */
+                                                                                                encoder->protected_->qlp_coeff_precision
+                                                                                )
+                                                                        );
+                                                                min_lpc_order = max_lpc_order = guess_lpc_order;
+                                                        }
+                                                        if(max_lpc_order >= frame_header->blocksize)
+                                                                max_lpc_order = frame_header->blocksize - 1;
+                                                        for(lpc_order = min_lpc_order; lpc_order <= max_lpc_order; lpc_order++) {
+                                                                lpc_residual_bits_per_sample = FLAC__lpc_compute_expected_bits_per_residual_sample(lpc_error[lpc_order-1], frame_header->blocksize-lpc_order);
+                                                                if(lpc_residual_bits_per_sample >= (FLAC__double)subframe_bps)
+                                                                        continue; /* don't even try */
+                                                                rice_parameter = (lpc_residual_bits_per_sample > 0.0)? (unsigned)(lpc_residual_bits_per_sample+0.5) : 0; /* 0.5 is for rounding */
+                                                                rice_parameter++; /* to account for the signed->unsigned conversion during rice coding */
+                                                                if(rice_parameter >= rice_parameter_limit) {
+#ifdef DEBUG_VERBOSE
+                                                                        fprintf(stderr, "clipping rice_parameter (%u -> %u) @1\n", rice_parameter, rice_parameter_limit - 1);
+#endif
+                                                                        rice_parameter = rice_parameter_limit - 1;
+                                                                }
+                                                                if(encoder->protected_->do_qlp_coeff_prec_search) {
+                                                                        min_qlp_coeff_precision = FLAC__MIN_QLP_COEFF_PRECISION;
+                                                                        /* try to ensure a 32-bit datapath throughout for 16bps(+1bps for side channel) or less */
+                                                                        if(subframe_bps <= 17) {
+                                                                                max_qlp_coeff_precision = min(32 - subframe_bps - lpc_order, FLAC__MAX_QLP_COEFF_PRECISION);
+                                                                                max_qlp_coeff_precision = max(max_qlp_coeff_precision, min_qlp_coeff_precision);
+                                                                        }
+                                                                        else
+                                                                                max_qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION;
+                                                                }
+                                                                else {
+                                                                        min_qlp_coeff_precision = max_qlp_coeff_precision = encoder->protected_->qlp_coeff_precision;
+                                                                }
+                                                                for(qlp_coeff_precision = min_qlp_coeff_precision; qlp_coeff_precision <= max_qlp_coeff_precision; qlp_coeff_precision++) {
+                                                                        _candidate_bits =
+                                                                                evaluate_lpc_subframe_(
+                                                                                        encoder,
+                                                                                        integer_signal,
+                                                                                        residual[!_best_subframe],
+                                                                                        encoder->private_->abs_residual_partition_sums,
+                                                                                        encoder->private_->raw_bits_per_partition,
+                                                                                        encoder->private_->lp_coeff[lpc_order-1],
+                                                                                        frame_header->blocksize,
+                                                                                        subframe_bps,
+                                                                                        lpc_order,
+                                                                                        qlp_coeff_precision,
+                                                                                        rice_parameter,
+                                                                                        rice_parameter_limit,
+                                                                                        min_partition_order,
+                                                                                        max_partition_order,
+                                                                                        encoder->protected_->do_escape_coding,
+                                                                                        encoder->protected_->rice_parameter_search_dist,
+                                                                                        subframe[!_best_subframe],
+                                                                                        partitioned_rice_contents[!_best_subframe]
+                                                                                );
+                                                                        if(_candidate_bits > 0) { /* if == 0, there was a problem quantizing the lpcoeffs */
+                                                                                if(_candidate_bits < _best_bits) {
+                                                                                        _best_subframe = !_best_subframe;
+                                                                                        _best_bits = _candidate_bits;
+                                                                                }
+                                                                        }
+                                                                }
+                                                        }
+                                                }
+                                        }
+                                }
+                        }
+#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
+                }
+        }
+
+        /* under rare circumstances this can happen when all but lpc subframe types are disabled: */
+        if(_best_bits == UINT_MAX) {
+                FLAC__ASSERT(_best_subframe == 0);
+                _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]);
+        }
+
+        *best_subframe = _best_subframe;
+        *best_bits = _best_bits;
+
+        return true;
+}
+
+FLAC__bool add_subframe_(
+        FLAC__StreamEncoder *encoder,
+        unsigned blocksize,
+        unsigned subframe_bps,
+        const FLAC__Subframe *subframe,
+        FLAC__BitWriter *frame
+)
+{
+        switch(subframe->type) {
+                case FLAC__SUBFRAME_TYPE_CONSTANT:
+                        if(!FLAC__subframe_add_constant(&(subframe->data.constant), subframe_bps, subframe->wasted_bits, frame)) {
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                                return false;
+                        }
+                        break;
+                case FLAC__SUBFRAME_TYPE_FIXED:
+                        if(!FLAC__subframe_add_fixed(&(subframe->data.fixed), blocksize - subframe->data.fixed.order, subframe_bps, subframe->wasted_bits, frame)) {
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                                return false;
+                        }
+                        break;
+                case FLAC__SUBFRAME_TYPE_LPC:
+                        if(!FLAC__subframe_add_lpc(&(subframe->data.lpc), blocksize - subframe->data.lpc.order, subframe_bps, subframe->wasted_bits, frame)) {
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                                return false;
+                        }
+                        break;
+                case FLAC__SUBFRAME_TYPE_VERBATIM:
+                        if(!FLAC__subframe_add_verbatim(&(subframe->data.verbatim), blocksize, subframe_bps, subframe->wasted_bits, frame)) {
+                                encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR;
+                                return false;
+                        }
+                        break;
+                default:
+                        FLAC__ASSERT(0);
+        }
+
+        return true;
+}
+
+#define SPOTCHECK_ESTIMATE 0
+#if SPOTCHECK_ESTIMATE
+static void spotcheck_subframe_estimate_(
+        FLAC__StreamEncoder *encoder,
+        unsigned blocksize,
+        unsigned subframe_bps,
+        const FLAC__Subframe *subframe,
+        unsigned estimate
+)
+{
+        FLAC__bool ret;
+        FLAC__BitWriter *frame = FLAC__bitwriter_new();
+        if(frame == 0) {
+                fprintf(stderr, "EST: can't allocate frame\n");
+                return;
+        }
+        if(!FLAC__bitwriter_init(frame)) {
+                fprintf(stderr, "EST: can't init frame\n");
+                return;
+        }
+        ret = add_subframe_(encoder, blocksize, subframe_bps, subframe, frame);
+        FLAC__ASSERT(ret);
+        {
+                const unsigned actual = FLAC__bitwriter_get_input_bits_unconsumed(frame);
+                if(estimate != actual)
+                        fprintf(stderr, "EST: bad, frame#%u sub#%%d type=%8s est=%u, actual=%u, delta=%d\n", encoder->private_->current_frame_number, FLAC__SubframeTypeString[subframe->type], estimate, actual, (int)actual-(int)estimate);
+        }
+        FLAC__bitwriter_delete(frame);
+}
+#endif
+
+unsigned evaluate_constant_subframe_(
+        FLAC__StreamEncoder *encoder,
+        const FLAC__int32 signal,
+        unsigned blocksize,
+        unsigned subframe_bps,
+        FLAC__Subframe *subframe
+)
+{
+        unsigned estimate;
+        subframe->type = FLAC__SUBFRAME_TYPE_CONSTANT;
+        subframe->data.constant.value = signal;
+
+        estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + subframe_bps;
+
+#if SPOTCHECK_ESTIMATE
+        spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
+#else
+        (void)encoder, (void)blocksize;
+#endif
+
+        return estimate;
+}
+
+unsigned evaluate_fixed_subframe_(
+        FLAC__StreamEncoder *encoder,
+        const FLAC__int32 signal[],
+        FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned raw_bits_per_partition[],
+        unsigned blocksize,
+        unsigned subframe_bps,
+        unsigned order,
+        unsigned rice_parameter,
+        unsigned rice_parameter_limit,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        FLAC__bool do_escape_coding,
+        unsigned rice_parameter_search_dist,
+        FLAC__Subframe *subframe,
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
+)
+{
+        unsigned i, residual_bits, estimate;
+        const unsigned residual_samples = blocksize - order;
+
+        FLAC__fixed_compute_residual(signal+order, residual_samples, order, residual);
+
+        subframe->type = FLAC__SUBFRAME_TYPE_FIXED;
+
+        subframe->data.fixed.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE;
+        subframe->data.fixed.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents;
+        subframe->data.fixed.residual = residual;
+
+        residual_bits =
+                find_best_partition_order_(
+                        encoder->private_,
+                        residual,
+                        abs_residual_partition_sums,
+                        raw_bits_per_partition,
+                        residual_samples,
+                        order,
+                        rice_parameter,
+                        rice_parameter_limit,
+                        min_partition_order,
+                        max_partition_order,
+                        subframe_bps,
+                        do_escape_coding,
+                        rice_parameter_search_dist,
+                        &subframe->data.fixed.entropy_coding_method
+                );
+
+        subframe->data.fixed.order = order;
+        for(i = 0; i < order; i++)
+                subframe->data.fixed.warmup[i] = signal[i];
+
+        estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (order * subframe_bps) + residual_bits;
+
+#if SPOTCHECK_ESTIMATE
+        spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
+#endif
+
+        return estimate;
+}
+
+#ifndef FLAC__INTEGER_ONLY_LIBRARY
+unsigned evaluate_lpc_subframe_(
+        FLAC__StreamEncoder *encoder,
+        const FLAC__int32 signal[],
+        FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned raw_bits_per_partition[],
+        const FLAC__real lp_coeff[],
+        unsigned blocksize,
+        unsigned subframe_bps,
+        unsigned order,
+        unsigned qlp_coeff_precision,
+        unsigned rice_parameter,
+        unsigned rice_parameter_limit,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        FLAC__bool do_escape_coding,
+        unsigned rice_parameter_search_dist,
+        FLAC__Subframe *subframe,
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents
+)
+{
+        FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER];
+        unsigned i, residual_bits, estimate;
+        int quantization, ret;
+        const unsigned residual_samples = blocksize - order;
+
+        /* try to keep qlp coeff precision such that only 32-bit math is required for decode of <=16bps streams */
+        if(subframe_bps <= 16) {
+                FLAC__ASSERT(order > 0);
+                FLAC__ASSERT(order <= FLAC__MAX_LPC_ORDER);
+                qlp_coeff_precision = min(qlp_coeff_precision, 32 - subframe_bps - FLAC__bitmath_ilog2(order));
+        }
+
+        ret = FLAC__lpc_quantize_coefficients(lp_coeff, order, qlp_coeff_precision, qlp_coeff, &quantization);
+        if(ret != 0)
+                return 0; /* this is a hack to indicate to the caller that we can't do lp at this order on this subframe */
+
+        if(subframe_bps + qlp_coeff_precision + FLAC__bitmath_ilog2(order) <= 32)
+                if(subframe_bps <= 16 && qlp_coeff_precision <= 16)
+                        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_16bit(signal+order, residual_samples, qlp_coeff, order, quantization, residual);
+                else
+                        encoder->private_->local_lpc_compute_residual_from_qlp_coefficients(signal+order, residual_samples, qlp_coeff, order, quantization, residual);
+        else
+                encoder->private_->local_lpc_compute_residual_from_qlp_coefficients_64bit(signal+order, residual_samples, qlp_coeff, order, quantization, residual);
+
+        subframe->type = FLAC__SUBFRAME_TYPE_LPC;
+
+        subframe->data.lpc.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE;
+        subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents;
+        subframe->data.lpc.residual = residual;
+
+        residual_bits =
+                find_best_partition_order_(
+                        encoder->private_,
+                        residual,
+                        abs_residual_partition_sums,
+                        raw_bits_per_partition,
+                        residual_samples,
+                        order,
+                        rice_parameter,
+                        rice_parameter_limit,
+                        min_partition_order,
+                        max_partition_order,
+                        subframe_bps,
+                        do_escape_coding,
+                        rice_parameter_search_dist,
+                        &subframe->data.lpc.entropy_coding_method
+                );
+
+        subframe->data.lpc.order = order;
+        subframe->data.lpc.qlp_coeff_precision = qlp_coeff_precision;
+        subframe->data.lpc.quantization_level = quantization;
+        memcpy(subframe->data.lpc.qlp_coeff, qlp_coeff, sizeof(FLAC__int32)*FLAC__MAX_LPC_ORDER);
+        for(i = 0; i < order; i++)
+                subframe->data.lpc.warmup[i] = signal[i];
+
+        estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN + FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN + (order * (qlp_coeff_precision + subframe_bps)) + residual_bits;
+
+#if SPOTCHECK_ESTIMATE
+        spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
+#endif
+
+        return estimate;
+}
+#endif
+
+unsigned evaluate_verbatim_subframe_(
+        FLAC__StreamEncoder *encoder,
+        const FLAC__int32 signal[],
+        unsigned blocksize,
+        unsigned subframe_bps,
+        FLAC__Subframe *subframe
+)
+{
+        unsigned estimate;
+
+        subframe->type = FLAC__SUBFRAME_TYPE_VERBATIM;
+
+        subframe->data.verbatim.data = signal;
+
+        estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (blocksize * subframe_bps);
+
+#if SPOTCHECK_ESTIMATE
+        spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate);
+#else
+        (void)encoder;
+#endif
+
+        return estimate;
+}
+
+unsigned find_best_partition_order_(
+        FLAC__StreamEncoderPrivate *private_,
+        const FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned raw_bits_per_partition[],
+        unsigned residual_samples,
+        unsigned predictor_order,
+        unsigned rice_parameter,
+        unsigned rice_parameter_limit,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        unsigned bps,
+        FLAC__bool do_escape_coding,
+        unsigned rice_parameter_search_dist,
+        FLAC__EntropyCodingMethod *best_ecm
+)
+{
+        unsigned residual_bits, best_residual_bits = 0;
+        unsigned best_parameters_index = 0;
+        unsigned best_partition_order = 0;
+        const unsigned blocksize = residual_samples + predictor_order;
+
+        max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(max_partition_order, blocksize, predictor_order);
+        min_partition_order = min(min_partition_order, max_partition_order);
+
+        precompute_partition_info_sums_(residual, abs_residual_partition_sums, residual_samples, predictor_order, min_partition_order, max_partition_order, bps);
+
+        if(do_escape_coding)
+                precompute_partition_info_escapes_(residual, raw_bits_per_partition, residual_samples, predictor_order, min_partition_order, max_partition_order);
+
+        {
+                int partition_order;
+                unsigned sum;
+
+                for(partition_order = (int)max_partition_order, sum = 0; partition_order >= (int)min_partition_order; partition_order--) {
+                        if(!
+                                set_partitioned_rice_(
+#ifdef EXACT_RICE_BITS_CALCULATION
+                                        residual,
+#endif
+                                        abs_residual_partition_sums+sum,
+                                        raw_bits_per_partition+sum,
+                                        residual_samples,
+                                        predictor_order,
+                                        rice_parameter,
+                                        rice_parameter_limit,
+                                        rice_parameter_search_dist,
+                                        (unsigned)partition_order,
+                                        do_escape_coding,
+                                        &private_->partitioned_rice_contents_extra[!best_parameters_index],
+                                        &residual_bits
+                                )
+                        )
+                        {
+                                FLAC__ASSERT(best_residual_bits != 0);
+                                break;
+                        }
+                        sum += 1u << partition_order;
+                        if(best_residual_bits == 0 || residual_bits < best_residual_bits) {
+                                best_residual_bits = residual_bits;
+                                best_parameters_index = !best_parameters_index;
+                                best_partition_order = partition_order;
+                        }
+                }
+        }
+
+        best_ecm->data.partitioned_rice.order = best_partition_order;
+
+        {
+                /*
+                 * We are allowed to de-const the pointer based on our special
+                 * knowledge; it is const to the outside world.
+                 */
+                FLAC__EntropyCodingMethod_PartitionedRiceContents* prc = (FLAC__EntropyCodingMethod_PartitionedRiceContents*)best_ecm->data.partitioned_rice.contents;
+                unsigned partition;
+
+                /* save best parameters and raw_bits */
+                FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(prc, max(6, best_partition_order));
+                memcpy(prc->parameters, private_->partitioned_rice_contents_extra[best_parameters_index].parameters, sizeof(unsigned)*(1<<(best_partition_order)));
+                if(do_escape_coding)
+                        memcpy(prc->raw_bits, private_->partitioned_rice_contents_extra[best_parameters_index].raw_bits, sizeof(unsigned)*(1<<(best_partition_order)));
+                /*
+                 * Now need to check if the type should be changed to
+                 * FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 based on the
+                 * size of the rice parameters.
+                 */
+                for(partition = 0; partition < (1u<<best_partition_order); partition++) {
+                        if(prc->parameters[partition] >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) {
+                                best_ecm->type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2;
+                                break;
+                        }
+                }
+        }
+
+        return best_residual_bits;
+}
+
+#if defined(FLAC__CPU_IA32) && !defined FLAC__NO_ASM && defined FLAC__HAS_NASM
+extern void precompute_partition_info_sums_32bit_asm_ia32_(
+        const FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned blocksize,
+        unsigned predictor_order,
+        unsigned min_partition_order,
+        unsigned max_partition_order
+);
+#endif
+
+void precompute_partition_info_sums_(
+        const FLAC__int32 residual[],
+        FLAC__uint64 abs_residual_partition_sums[],
+        unsigned residual_samples,
+        unsigned predictor_order,
+        unsigned min_partition_order,
+        unsigned max_partition_order,
+        unsigned bps
+)
+{
+        const unsigned default_partition_samples = (residual_samples + predictor_order) >> max_partition_order;
+        unsigned partitions = 1u << max_partition_order;
+
+        FLAC__ASSERT(default_partition_samples > predictor_order);
+
+#if defined(FLAC__CPU_IA32) && !defined FLAC__NO_ASM && defined FLAC__HAS_NASM
+        /* slightly pessimistic but still catches all common cases */
+        /* WATCHOUT: "+ bps" is an assumption that the average residual magnitude will not be more than "bps" bits */
+        if(FLAC__bitmath_ilog2(default_partition_samples) + bps < 32) {
+                precompute_partition_info_sums_32bit_asm_ia32_(residual, abs_residual_partition_sums, residual_samples + predictor_order, predictor_order, min_partition_order, max_partition_order);
+                return;
+        }
+#endif
+
+        /* first do max_partition_order */
+        {
+                unsigned partition, residual_sample, end = (unsigned)(-(int)predictor_order);
+                /* slightly pessimistic but still catches all common cases */
+                /* WATCHOUT: "+ bps" is an assumption that the average residual magnitude will not be more than "bps" bits */
+                if(FLAC__bitmath_ilog2(default_partition_samples) + bps < 32) {
+                        FLAC__uint32 abs_residual_partition_sum;
+
+                        for(partition = residual_sample = 0; partition < partitions; partition++) {
+                                end += default_partition_samples;
+                                abs_residual_partition_sum = 0;
+                                for( ; residual_sample < end; residual_sample++)
+                                        abs_residual_partition_sum += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */
+                                abs_residual_partition_sums[partition] = abs_residual_partition_sum;
+                        }
+                }
+                else { /* have to pessimistically use 64 bits for accumulator */
+                        FLAC__uint64 abs_residual_partition_sum;
+
+                        for(partition = residual_sample = 0; partition < partitions; partition++) {
+                                end += default_partition_samples;
+                                abs_residual_partition_sum = 0;
+                                for( ; residual_sample < end; residual_sample++)
+                                        abs_residual_partition_sum += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */
+                                abs_residual_partition_sums[partition] = abs_residual_partition_sum;
+                        }
+                }
+        }
+
+        /* now merge partitions for lower orders */
+        {
+                unsigned from_partition = 0, to_partition = partitions;
+                int partition_order;
+                for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) {
+                        unsigned i;
+                        partitions >>= 1;
+                        for(i = 0; i < partitions; i++) {
+                                abs_residual_partition_sums[to_partition++] =
+                                        abs_residual_partition_sums[from_partition  ] +
+                                        abs_residual_partition_sums[from_partition+1];
+                                from_partition += 2;
+                        }
+                }
+        }
+}
+
+void precompute_partition_info_escapes_(
+        const FLAC__int32 residual[],
+        unsigned raw_bits_per_partition[],
+        unsigned residual_samples,
+        unsigned predictor_order,
+        unsigned min_partition_order,
+        unsigned max_partition_order
+)
+{
+        int partition_order;
+        unsigned from_partition, to_partition = 0;
+        const unsigned blocksize = residual_samples + predictor_order;
+
+        /* first do max_partition_order */
+        for(partition_order = (int)max_partition_order; partition_order >= 0; partition_order--) {
+                FLAC__int32 r;
+                FLAC__uint32 rmax;
+                unsigned partition, partition_sample, partition_samples, residual_sample;
+                const unsigned partitions = 1u << partition_order;
+                const unsigned default_partition_samples = blocksize >> partition_order;
+
+                FLAC__ASSERT(default_partition_samples > predictor_order);
+
+                for(partition = residual_sample = 0; partition < partitions; partition++) {
+                        partition_samples = default_partition_samples;
+                        if(partition == 0)
+                                partition_samples -= predictor_order;
+                        rmax = 0;
+                        for(partition_sample = 0; partition_sample < partition_samples; partition_sample++) {
+                                r = residual[residual_sample++];
+                                /* OPT: maybe faster: rmax |= r ^ (r>>31) */
+                                if(r < 0)
+                                        rmax |= ~r;
+                                else
+                                        rmax |= r;
+                        }
+                        /* now we know all residual values are in the range [-rmax-1,rmax] */
+                        raw_bits_per_partition[partition] = rmax? FLAC__bitmath_ilog2(rmax) + 2 : 1;
+                }
+                to_partition = partitions;
+                break; /*@@@ yuck, should remove the 'for' loop instead */
+        }
+
+        /* now merge partitions for lower orders */
+        for(from_partition = 0, --partition_order; partition_order >= (int)min_partition_order; partition_order--) {
+                unsigned m;
+                unsigned i;
+                const unsigned partitions = 1u << partition_order;
+                for(i = 0; i < partitions; i++) {
+                        m = raw_bits_per_partition[from_partition];
+                        from_partition++;
+                        raw_bits_per_partition[to_partition] = max(m, raw_bits_per_partition[from_partition]);
+                        from_partition++;
+                        to_partition++;
+                }
+        }
+}
+
+#ifdef EXACT_RICE_BITS_CALCULATION
+static FLaC__INLINE unsigned count_rice_bits_in_partition_(
+        const unsigned rice_parameter,
+        const unsigned partition_samples,
+        const FLAC__int32 *residual
+)
+{
+        unsigned i, partition_bits =
+                FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */
+                (1+rice_parameter) * partition_samples /* 1 for unary stop bit + rice_parameter for the binary portion */
+        ;
+        for(i = 0; i < partition_samples; i++)
+                partition_bits += ( (FLAC__uint32)((residual[i]<<1)^(residual[i]>>31)) >> rice_parameter );
+        return partition_bits;
+}
+#else
+static FLaC__INLINE unsigned count_rice_bits_in_partition_(
+        const unsigned rice_parameter,
+        const unsigned partition_samples,
+        const FLAC__uint64 abs_residual_partition_sum
+)
+{
+        return
+                FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */
+                (1+rice_parameter) * partition_samples + /* 1 for unary stop bit + rice_parameter for the binary portion */
+                (
+                        rice_parameter?
+                                (unsigned)(abs_residual_partition_sum >> (rice_parameter-1)) /* rice_parameter-1 because the real coder sign-folds instead of using a sign bit */
+                                : (unsigned)(abs_residual_partition_sum << 1) /* can't shift by negative number, so reverse */
+                )
+                - (partition_samples >> 1)
+                /* -(partition_samples>>1) to subtract out extra contributions to the abs_residual_partition_sum.
+                 * The actual number of bits used is closer to the sum(for all i in the partition) of  abs(residual[i])>>(rice_parameter-1)
+                 * By using the abs_residual_partition sum, we also add in bits in the LSBs that would normally be shifted out.
+                 * So the subtraction term tries to guess how many extra bits were contributed.
+                 * If the LSBs are randomly distributed, this should average to 0.5 extra bits per sample.
+                 */
+        ;
+}
+#endif
+
+FLAC__bool set_partitioned_rice_(
+#ifdef EXACT_RICE_BITS_CALCULATION
+        const FLAC__int32 residual[],
+#endif
+        const FLAC__uint64 abs_residual_partition_sums[],
+        const unsigned raw_bits_per_partition[],
+        const unsigned residual_samples,
+        const unsigned predictor_order,
+        const unsigned suggested_rice_parameter,
+        const unsigned rice_parameter_limit,
+        const unsigned rice_parameter_search_dist,
+        const unsigned partition_order,
+        const FLAC__bool search_for_escapes,
+        FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents,
+        unsigned *bits
+)
+{
+        unsigned rice_parameter, partition_bits;
+        unsigned best_partition_bits, best_rice_parameter = 0;
+        unsigned bits_ = FLAC__ENTROPY_CODING_METHOD_TYPE_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN;
+        unsigned *parameters, *raw_bits;
+#ifdef ENABLE_RICE_PARAMETER_SEARCH
+        unsigned min_rice_parameter, max_rice_parameter;
+#else
+        (void)rice_parameter_search_dist;
+#endif
+
+        FLAC__ASSERT(suggested_rice_parameter < FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER);
+        FLAC__ASSERT(rice_parameter_limit <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER);
+
+        FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, max(6, partition_order));
+        parameters = partitioned_rice_contents->parameters;
+        raw_bits = partitioned_rice_contents->raw_bits;
+
+        if(partition_order == 0) {
+                best_partition_bits = (unsigned)(-1);
+#ifdef ENABLE_RICE_PARAMETER_SEARCH
+                if(rice_parameter_search_dist) {
+                        if(suggested_rice_parameter < rice_parameter_search_dist)
+                                min_rice_parameter = 0;
+                        else
+                                min_rice_parameter = suggested_rice_parameter - rice_parameter_search_dist;
+                        max_rice_parameter = suggested_rice_parameter + rice_parameter_search_dist;
+                        if(max_rice_parameter >= rice_parameter_limit) {
+#ifdef DEBUG_VERBOSE
+                                fprintf(stderr, "clipping rice_parameter (%u -> %u) @5\n", max_rice_parameter, rice_parameter_limit - 1);
+#endif
+                                max_rice_parameter = rice_parameter_limit - 1;
+                        }
+                }
+                else
+                        min_rice_parameter = max_rice_parameter = suggested_rice_parameter;
+
+                for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) {
+#else
+                        rice_parameter = suggested_rice_parameter;
+#endif
+#ifdef EXACT_RICE_BITS_CALCULATION
+                        partition_bits = count_rice_bits_in_partition_(rice_parameter, residual_samples, residual);
+#else
+                        partition_bits = count_rice_bits_in_partition_(rice_parameter, residual_samples, abs_residual_partition_sums[0]);
+#endif
+                        if(partition_bits < best_partition_bits) {
+                                best_rice_parameter = rice_parameter;
+                                best_partition_bits = partition_bits;
+                        }
+#ifdef ENABLE_RICE_PARAMETER_SEARCH
+                }
+#endif
+                if(search_for_escapes) {
+                        partition_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[0] * residual_samples;
+                        if(partition_bits <= best_partition_bits) {
+                                raw_bits[0] = raw_bits_per_partition[0];
+                                best_rice_parameter = 0; /* will be converted to appropriate escape parameter later */
+                                best_partition_bits = partition_bits;
+                        }
+                        else
+                                raw_bits[0] = 0;
+                }
+                parameters[0] = best_rice_parameter;
+                bits_ += best_partition_bits;
+        }
+        else {
+                unsigned partition, residual_sample;
+                unsigned partition_samples;
+                FLAC__uint64 mean, k;
+                const unsigned partitions = 1u << partition_order;
+                for(partition = residual_sample = 0; partition < partitions; partition++) {
+                        partition_samples = (residual_samples+predictor_order) >> partition_order;
+                        if(partition == 0) {
+                                if(partition_samples <= predictor_order)
+                                        return false;
+                                else
+                                        partition_samples -= predictor_order;
+                        }
+                        mean = abs_residual_partition_sums[partition];
+                        /* we are basically calculating the size in bits of the
+                         * average residual magnitude in the partition:
+                         *   rice_parameter = floor(log2(mean/partition_samples))
+                         * 'mean' is not a good name for the variable, it is
+                         * actually the sum of magnitudes of all residual values
+                         * in the partition, so the actual mean is
+                         * mean/partition_samples
+                         */
+                        for(rice_parameter = 0, k = partition_samples; k < mean; rice_parameter++, k <<= 1)
+                                ;
+                        if(rice_parameter >= rice_parameter_limit) {
+#ifdef DEBUG_VERBOSE
+                                fprintf(stderr, "clipping rice_parameter (%u -> %u) @6\n", rice_parameter, rice_parameter_limit - 1);
+#endif
+                                rice_parameter = rice_parameter_limit - 1;
+                        }
+
+                        best_partition_bits = (unsigned)(-1);
+#ifdef ENABLE_RICE_PARAMETER_SEARCH
+                        if(rice_parameter_search_dist) {
+                                if(rice_parameter < rice_parameter_search_dist)
+                                        min_rice_parameter = 0;
+                                else
+                                        min_rice_parameter = rice_parameter - rice_parameter_search_dist;
+                                max_rice_parameter = rice_parameter + rice_parameter_search_dist;
+                                if(max_rice_parameter >= rice_parameter_limit) {
+#ifdef DEBUG_VERBOSE
+                                        fprintf(stderr, "clipping rice_parameter (%u -> %u) @7\n", max_rice_parameter, rice_parameter_limit - 1);
+#endif
+                                        max_rice_parameter = rice_parameter_limit - 1;
+                                }
+                        }
+                        else
+                                min_rice_parameter = max_rice_parameter = rice_parameter;
+
+                        for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) {
+#endif
+#ifdef EXACT_RICE_BITS_CALCULATION
+                                partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, residual+residual_sample);
+#else
+                                partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, abs_residual_partition_sums[partition]);
+#endif
+                                if(partition_bits < best_partition_bits) {
+                                        best_rice_parameter = rice_parameter;
+                                        best_partition_bits = partition_bits;
+                                }
+#ifdef ENABLE_RICE_PARAMETER_SEARCH
+                        }
+#endif
+                        if(search_for_escapes) {
+                                partition_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[partition] * partition_samples;
+                                if(partition_bits <= best_partition_bits) {
+                                        raw_bits[partition] = raw_bits_per_partition[partition];
+                                        best_rice_parameter = 0; /* will be converted to appropriate escape parameter later */
+                                        best_partition_bits = partition_bits;
+                                }
+                                else
+                                        raw_bits[partition] = 0;
+                        }
+                        parameters[partition] = best_rice_parameter;
+                        bits_ += best_partition_bits;
+                        residual_sample += partition_samples;
+                }
+        }
+
+        *bits = bits_;
+        return true;
+}
+
+unsigned get_wasted_bits_(FLAC__int32 signal[], unsigned samples)
+{
+        unsigned i, shift;
+        FLAC__int32 x = 0;
+
+        for(i = 0; i < samples && !(x&1); i++)
+                x |= signal[i];
+
+        if(x == 0) {
+                shift = 0;
+        }
+        else {
+                for(shift = 0; !(x&1); shift++)
+                        x >>= 1;
+        }
+
+        if(shift > 0) {
+                for(i = 0; i < samples; i++)
+                         signal[i] >>= shift;
+        }
+
+        return shift;
+}
+
+void append_to_verify_fifo_(verify_input_fifo *fifo, const FLAC__int32 * const input[], unsigned input_offset, unsigned channels, unsigned wide_samples)
+{
+        unsigned channel;
+
+        for(channel = 0; channel < channels; channel++)
+                memcpy(&fifo->data[channel][fifo->tail], &input[channel][input_offset], sizeof(FLAC__int32) * wide_samples);
+
+        fifo->tail += wide_samples;
+
+        FLAC__ASSERT(fifo->tail <= fifo->size);
+}
+
+void append_to_verify_fifo_interleaved_(verify_input_fifo *fifo, const FLAC__int32 input[], unsigned input_offset, unsigned channels, unsigned wide_samples)
+{
+        unsigned channel;
+        unsigned sample, wide_sample;
+        unsigned tail = fifo->tail;
+
+        sample = input_offset * channels;
+        for(wide_sample = 0; wide_sample < wide_samples; wide_sample++) {
+                for(channel = 0; channel < channels; channel++)
+                        fifo->data[channel][tail] = input[sample++];
+                tail++;
+        }
+        fifo->tail = tail;
+
+        FLAC__ASSERT(fifo->tail <= fifo->size);
+}
+
+FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
+{
+        FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder*)client_data;
+        const size_t encoded_bytes = encoder->private_->verify.output.bytes;
+        (void)decoder;
+
+        if(encoder->private_->verify.needs_magic_hack) {
+                FLAC__ASSERT(*bytes >= FLAC__STREAM_SYNC_LENGTH);
+                *bytes = FLAC__STREAM_SYNC_LENGTH;
+                memcpy(buffer, FLAC__STREAM_SYNC_STRING, *bytes);
+                encoder->private_->verify.needs_magic_hack = false;
+        }
+        else {
+                if(encoded_bytes == 0) {
+                        /*
+                         * If we get here, a FIFO underflow has occurred,
+                         * which means there is a bug somewhere.
+                         */
+                        FLAC__ASSERT(0);
+                        return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
+                }
+                else if(encoded_bytes < *bytes)
+                        *bytes = encoded_bytes;
+                memcpy(buffer, encoder->private_->verify.output.data, *bytes);
+                encoder->private_->verify.output.data += *bytes;
+                encoder->private_->verify.output.bytes -= *bytes;
+        }
+
+        return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
+}
+
+FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
+{
+        FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder *)client_data;
+        unsigned channel;
+        const unsigned channels = frame->header.channels;
+        const unsigned blocksize = frame->header.blocksize;
+        const unsigned bytes_per_block = sizeof(FLAC__int32) * blocksize;
+
+        (void)decoder;
+
+        for(channel = 0; channel < channels; channel++) {
+                if(0 != memcmp(buffer[channel], encoder->private_->verify.input_fifo.data[channel], bytes_per_block)) {
+                        unsigned i, sample = 0;
+                        FLAC__int32 expect = 0, got = 0;
+
+                        for(i = 0; i < blocksize; i++) {
+                                if(buffer[channel][i] != encoder->private_->verify.input_fifo.data[channel][i]) {
+                                        sample = i;
+                                        expect = (FLAC__int32)encoder->private_->verify.input_fifo.data[channel][i];
+                                        got = (FLAC__int32)buffer[channel][i];
+                                        break;
+                                }
+                        }
+                        FLAC__ASSERT(i < blocksize);
+                        FLAC__ASSERT(frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER);
+                        encoder->private_->verify.error_stats.absolute_sample = frame->header.number.sample_number + sample;
+                        encoder->private_->verify.error_stats.frame_number = (unsigned)(frame->header.number.sample_number / blocksize);
+                        encoder->private_->verify.error_stats.channel = channel;
+                        encoder->private_->verify.error_stats.sample = sample;
+                        encoder->private_->verify.error_stats.expected = expect;
+                        encoder->private_->verify.error_stats.got = got;
+                        encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA;
+                        return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
+                }
+        }
+        /* dequeue the frame from the fifo */
+        encoder->private_->verify.input_fifo.tail -= blocksize;
+        FLAC__ASSERT(encoder->private_->verify.input_fifo.tail <= OVERREAD_);
+        for(channel = 0; channel < channels; channel++)
+                memmove(&encoder->private_->verify.input_fifo.data[channel][0], &encoder->private_->verify.input_fifo.data[channel][blocksize], encoder->private_->verify.input_fifo.tail * sizeof(encoder->private_->verify.input_fifo.data[0][0]));
+        return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
+}
+
+void verify_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
+{
+        (void)decoder, (void)metadata, (void)client_data;
+}
+
+void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
+{
+        FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder*)client_data;
+        (void)decoder, (void)status;
+        encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR;
+}
+
+FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
+{
+        (void)client_data;
+
+        *bytes = fread(buffer, 1, *bytes, encoder->private_->file);
+        if (*bytes == 0) {
+                if (feof(encoder->private_->file))
+                        return FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM;
+                else if (ferror(encoder->private_->file))
+                        return FLAC__STREAM_ENCODER_READ_STATUS_ABORT;
+        }
+        return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE;
+}
+
+FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
+{
+        (void)client_data;
+
+        if(fseeko(encoder->private_->file, (off_t)absolute_byte_offset, SEEK_SET) < 0)
+                return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR;
+        else
+                return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
+}
+
+FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
+{
+        off_t offset;
+
+        (void)client_data;
+
+        offset = ftello(encoder->private_->file);
+
+        if(offset < 0) {
+                return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR;
+        }
+        else {
+                *absolute_byte_offset = (FLAC__uint64)offset;
+                return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
+        }
+}
+
+#ifdef FLAC__VALGRIND_TESTING
+static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
+{
+        size_t ret = fwrite(ptr, size, nmemb, stream);
+        if(!ferror(stream))
+                fflush(stream);
+        return ret;
+}
+#else
+#define local__fwrite fwrite
+#endif
+
+FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data)
+{
+        (void)client_data, (void)current_frame;
+
+        if(local__fwrite(buffer, sizeof(FLAC__byte), bytes, encoder->private_->file) == bytes) {
+                FLAC__bool call_it = 0 != encoder->private_->progress_callback && (
+#if FLAC__HAS_OGG
+                        /* We would like to be able to use 'samples > 0' in the
+                         * clause here but currently because of the nature of our
+                         * Ogg writing implementation, 'samples' is always 0 (see
+                         * ogg_encoder_aspect.c).  The downside is extra progress
+                         * callbacks.
+                         */
+                        encoder->private_->is_ogg? true :
+#endif
+                        samples > 0
+                );
+                if(call_it) {
+                        /* NOTE: We have to add +bytes, +samples, and +1 to the stats
+                         * because at this point in the callback chain, the stats
+                         * have not been updated.  Only after we return and control
+                         * gets back to write_frame_() are the stats updated
+                         */
+                        encoder->private_->progress_callback(encoder, encoder->private_->bytes_written+bytes, encoder->private_->samples_written+samples, encoder->private_->frames_written+(samples?1:0), encoder->private_->total_frames_estimate, encoder->private_->client_data);
+                }
+                return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
+        }
+        else
+                return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
+}
+
+/*
+ * This will forcibly set stdout to binary mode (for OSes that require it)
+ */
+FILE *get_binary_stdout_(void)
+{
+        /* if something breaks here it is probably due to the presence or
+         * absence of an underscore before the identifiers 'setmode',
+         * 'fileno', and/or 'O_BINARY'; check your system header files.
+         */
+#if defined _MSC_VER || defined __MINGW32__
+        _setmode(_fileno(stdout), _O_BINARY);
+#elif defined __CYGWIN__
+        /* almost certainly not needed for any modern Cygwin, but let's be safe... */
+        setmode(_fileno(stdout), _O_BINARY);
+#elif defined __EMX__
+        setmode(fileno(stdout), O_BINARY);
+#endif
+
+        return stdout;
+}