OLD | NEW |
(Empty) | |
| 1 /* libFLAC - Free Lossless Audio Codec library |
| 2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson |
| 3 * |
| 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions |
| 6 * are met: |
| 7 * |
| 8 * - Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * |
| 11 * - Redistributions in binary form must reproduce the above copyright |
| 12 * notice, this list of conditions and the following disclaimer in the |
| 13 * documentation and/or other materials provided with the distribution. |
| 14 * |
| 15 * - Neither the name of the Xiph.org Foundation nor the names of its |
| 16 * contributors may be used to endorse or promote products derived from |
| 17 * this software without specific prior written permission. |
| 18 * |
| 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
| 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 */ |
| 31 |
| 32 #ifndef FLAC__PRIVATE__BITREADER_H |
| 33 #define FLAC__PRIVATE__BITREADER_H |
| 34 |
| 35 #include <stdio.h> /* for FILE */ |
| 36 #include "FLAC/ordinals.h" |
| 37 #include "cpu.h" |
| 38 |
| 39 /* |
| 40 * opaque structure definition |
| 41 */ |
| 42 struct FLAC__BitReader; |
| 43 typedef struct FLAC__BitReader FLAC__BitReader; |
| 44 |
| 45 typedef FLAC__bool (*FLAC__BitReaderReadCallback)(FLAC__byte buffer[], size_t *b
ytes, void *client_data); |
| 46 |
| 47 /* |
| 48 * construction, deletion, initialization, etc functions |
| 49 */ |
| 50 FLAC__BitReader *FLAC__bitreader_new(void); |
| 51 void FLAC__bitreader_delete(FLAC__BitReader *br); |
| 52 FLAC__bool FLAC__bitreader_init(FLAC__BitReader *br, FLAC__CPUInfo cpu, FLAC__Bi
tReaderReadCallback rcb, void *cd); |
| 53 void FLAC__bitreader_free(FLAC__BitReader *br); /* does not 'free(br)' */ |
| 54 FLAC__bool FLAC__bitreader_clear(FLAC__BitReader *br); |
| 55 void FLAC__bitreader_dump(const FLAC__BitReader *br, FILE *out); |
| 56 |
| 57 /* |
| 58 * CRC functions |
| 59 */ |
| 60 void FLAC__bitreader_reset_read_crc16(FLAC__BitReader *br, FLAC__uint16 seed); |
| 61 FLAC__uint16 FLAC__bitreader_get_read_crc16(FLAC__BitReader *br); |
| 62 |
| 63 /* |
| 64 * info functions |
| 65 */ |
| 66 FLAC__bool FLAC__bitreader_is_consumed_byte_aligned(const FLAC__BitReader *br); |
| 67 unsigned FLAC__bitreader_bits_left_for_byte_alignment(const FLAC__BitReader *br)
; |
| 68 unsigned FLAC__bitreader_get_input_bits_unconsumed(const FLAC__BitReader *br); |
| 69 |
| 70 /* |
| 71 * read functions |
| 72 */ |
| 73 |
| 74 FLAC__bool FLAC__bitreader_read_raw_uint32(FLAC__BitReader *br, FLAC__uint32 *va
l, unsigned bits); |
| 75 FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val,
unsigned bits); |
| 76 FLAC__bool FLAC__bitreader_read_raw_uint64(FLAC__BitReader *br, FLAC__uint64 *va
l, unsigned bits); |
| 77 FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br, FLAC__
uint32 *val); /*only for bits=32*/ |
| 78 FLAC__bool FLAC__bitreader_skip_bits_no_crc(FLAC__BitReader *br, unsigned bits);
/* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */ |
| 79 FLAC__bool FLAC__bitreader_skip_byte_block_aligned_no_crc(FLAC__BitReader *br, u
nsigned nvals); /* WATCHOUT: does not CRC the read data! */ |
| 80 FLAC__bool FLAC__bitreader_read_byte_block_aligned_no_crc(FLAC__BitReader *br, F
LAC__byte *val, unsigned nvals); /* WATCHOUT: does not CRC the read data! */ |
| 81 FLAC__bool FLAC__bitreader_read_unary_unsigned(FLAC__BitReader *br, unsigned *va
l); |
| 82 FLAC__bool FLAC__bitreader_read_rice_signed(FLAC__BitReader *br, int *val, unsig
ned parameter); |
| 83 FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[
], unsigned nvals, unsigned parameter); |
| 84 #ifndef FLAC__NO_ASM |
| 85 # ifdef FLAC__CPU_IA32 |
| 86 # ifdef FLAC__HAS_NASM |
| 87 FLAC__bool FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap(FLAC__BitReader
*br, int vals[], unsigned nvals, unsigned parameter); |
| 88 # endif |
| 89 # endif |
| 90 #endif |
| 91 #if 0 /* UNUSED */ |
| 92 FLAC__bool FLAC__bitreader_read_golomb_signed(FLAC__BitReader *br, int *val, uns
igned parameter); |
| 93 FLAC__bool FLAC__bitreader_read_golomb_unsigned(FLAC__BitReader *br, unsigned *v
al, unsigned parameter); |
| 94 #endif |
| 95 FLAC__bool FLAC__bitreader_read_utf8_uint32(FLAC__BitReader *br, FLAC__uint32 *v
al, FLAC__byte *raw, unsigned *rawlen); |
| 96 FLAC__bool FLAC__bitreader_read_utf8_uint64(FLAC__BitReader *br, FLAC__uint64 *v
al, FLAC__byte *raw, unsigned *rawlen); |
| 97 |
| 98 FLAC__bool bitreader_read_from_client_(FLAC__BitReader *br); |
| 99 #endif |
OLD | NEW |