libvpx: Add VP9 decoder.

source/libvpx/vp9/common/vp9_onyxc_int.h

+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#ifndef VP9_COMMON_VP9_ONYXC_INT_H_
+#define VP9_COMMON_VP9_ONYXC_INT_H_
+
+#include "vpx_config.h"
+#include "vpx/internal/vpx_codec_internal.h"
+#include "vp9_rtcd.h"
+#include "vp9/common/vp9_loopfilter.h"
+#include "vp9/common/vp9_entropymv.h"
+#include "vp9/common/vp9_entropy.h"
+#include "vp9/common/vp9_entropymode.h"
+#if CONFIG_POSTPROC
+#include "vp9/common/vp9_postproc.h"
+#endif
+
+/*#ifdef PACKET_TESTING*/
+#include "vp9/common/vp9_header.h"
+/*#endif*/
+
+/* Create/destroy static data structures. */
+
+void vp9_initialize_common(void);
+
+#define MINQ 0
+
+#define MAXQ 255
+#define QINDEX_BITS 8
+
+#define QINDEX_RANGE (MAXQ + 1)
+
+#define NUM_YV12_BUFFERS 4
+
+#define COMP_PRED_CONTEXTS   2
+
+typedef struct frame_contexts {
+  vp9_prob bmode_prob[VP9_NKF_BINTRAMODES - 1];
+  vp9_prob ymode_prob[VP9_YMODES - 1]; /* interframe intra mode probs */
+#if CONFIG_SUPERBLOCKS
+  vp9_prob sb_ymode_prob[VP9_I32X32_MODES - 1];
+#endif
+  vp9_prob uv_mode_prob[VP9_YMODES][VP9_UV_MODES - 1];
+  vp9_prob i8x8_mode_prob[VP9_I8X8_MODES - 1];
+  vp9_prob sub_mv_ref_prob[SUBMVREF_COUNT][VP9_SUBMVREFS - 1];
+  vp9_prob mbsplit_prob[VP9_NUMMBSPLITS - 1];
+  vp9_prob coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob hybrid_coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob coef_probs_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob hybrid_coef_probs_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob coef_probs_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob hybrid_coef_probs_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+
+  nmv_context nmvc;
+  nmv_context pre_nmvc;
+  vp9_prob pre_bmode_prob[VP9_NKF_BINTRAMODES - 1];
+  vp9_prob pre_ymode_prob[VP9_YMODES - 1]; /* interframe intra mode probs */
+#if CONFIG_SUPERBLOCKS
+  vp9_prob pre_sb_ymode_prob[VP9_I32X32_MODES - 1];
+#endif
+  vp9_prob pre_uv_mode_prob[VP9_YMODES][VP9_UV_MODES - 1];
+  vp9_prob pre_i8x8_mode_prob[VP9_I8X8_MODES - 1];
+  vp9_prob pre_sub_mv_ref_prob[SUBMVREF_COUNT][VP9_SUBMVREFS - 1];
+  vp9_prob pre_mbsplit_prob[VP9_NUMMBSPLITS - 1];
+  unsigned int bmode_counts[VP9_NKF_BINTRAMODES];
+  unsigned int ymode_counts[VP9_YMODES];   /* interframe intra mode probs */
+#if CONFIG_SUPERBLOCKS
+  unsigned int sb_ymode_counts[VP9_I32X32_MODES];
+#endif
+  unsigned int uv_mode_counts[VP9_YMODES][VP9_UV_MODES];
+  unsigned int i8x8_mode_counts[VP9_I8X8_MODES];   /* interframe intra probs */
+  unsigned int sub_mv_ref_counts[SUBMVREF_COUNT][VP9_SUBMVREFS];
+  unsigned int mbsplit_counts[VP9_NUMMBSPLITS];
+
+  vp9_prob pre_coef_probs [BLOCK_TYPES] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob pre_hybrid_coef_probs [BLOCK_TYPES] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+
+  vp9_prob pre_coef_probs_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob pre_hybrid_coef_probs_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+
+  vp9_prob pre_coef_probs_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+  vp9_prob pre_hybrid_coef_probs_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
+
+  unsigned int coef_counts [BLOCK_TYPES] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
+  unsigned int hybrid_coef_counts [BLOCK_TYPES] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
+
+  unsigned int coef_counts_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
+  unsigned int hybrid_coef_counts_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
+
+  unsigned int coef_counts_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
+  unsigned int hybrid_coef_counts_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS]
+      [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
+
+  nmv_context_counts NMVcount;
+  vp9_prob switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
+                                 [VP9_SWITCHABLE_FILTERS - 1];
+#if CONFIG_COMP_INTERINTRA_PRED
+  unsigned int interintra_counts[2];
+  vp9_prob interintra_prob;
+  vp9_prob pre_interintra_prob;
+#endif
+
+  int vp9_mode_contexts[INTER_MODE_CONTEXTS][4];
+  unsigned int mv_ref_ct[INTER_MODE_CONTEXTS][4][2];
+} FRAME_CONTEXT;
+
+typedef enum {
+  RECON_CLAMP_REQUIRED        = 0,
+  RECON_CLAMP_NOTREQUIRED     = 1
+} CLAMP_TYPE;
+
+typedef enum {
+  SINGLE_PREDICTION_ONLY = 0,
+  COMP_PREDICTION_ONLY   = 1,
+  HYBRID_PREDICTION      = 2,
+  NB_PREDICTION_TYPES    = 3,
+} COMPPREDMODE_TYPE;
+
+typedef enum {
+  ONLY_4X4            = 0,
+  ALLOW_8X8           = 1,
+  ALLOW_16X16         = 2,
+  TX_MODE_SELECT      = 3,
+  NB_TXFM_MODES       = 4,
+} TXFM_MODE;
+
+typedef struct VP9Common {
+  struct vpx_internal_error_info  error;
+
+  DECLARE_ALIGNED(16, short, Y1dequant[QINDEX_RANGE][16]);
+  DECLARE_ALIGNED(16, short, Y2dequant[QINDEX_RANGE][16]);
+  DECLARE_ALIGNED(16, short, UVdequant[QINDEX_RANGE][16]);
+
+  int Width;
+  int Height;
+  int horiz_scale;
+  int vert_scale;
+
+  YUV_TYPE clr_type;
+  CLAMP_TYPE  clamp_type;
+
+  YV12_BUFFER_CONFIG *frame_to_show;
+
+  YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
+  int fb_idx_ref_cnt[NUM_YV12_BUFFERS];
+  int new_fb_idx, lst_fb_idx, gld_fb_idx, alt_fb_idx;
+
+  YV12_BUFFER_CONFIG post_proc_buffer;
+  YV12_BUFFER_CONFIG temp_scale_frame;
+
+
+  FRAME_TYPE last_frame_type;  /* Save last frame's frame type for motion search. */
+  FRAME_TYPE frame_type;
+
+  int show_frame;
+
+  int frame_flags;
+  int MBs;
+  int mb_rows;
+  int mb_cols;
+  int mode_info_stride;
+
+  /* profile settings */
+  int experimental;
+  int mb_no_coeff_skip;
+  TXFM_MODE txfm_mode;
+  COMPPREDMODE_TYPE comp_pred_mode;
+  int no_lpf;
+  int use_bilinear_mc_filter;
+  int full_pixel;
+
+  int base_qindex;
+  int last_kf_gf_q;  /* Q used on the last GF or KF */
+
+  int y1dc_delta_q;
+  int y2dc_delta_q;
+  int y2ac_delta_q;
+  int uvdc_delta_q;
+  int uvac_delta_q;
+
+  unsigned int frames_since_golden;
+  unsigned int frames_till_alt_ref_frame;
+
+  /* We allocate a MODE_INFO struct for each macroblock, together with
+     an extra row on top and column on the left to simplify prediction. */
+
+  MODE_INFO *mip; /* Base of allocated array */
+  MODE_INFO *mi;  /* Corresponds to upper left visible macroblock */
+  MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
+  MODE_INFO *prev_mi;  /* 'mi' from last frame (points into prev_mip) */
+
+
+  // Persistent mb segment id map used in prediction.
+  unsigned char *last_frame_seg_map;
+
+  INTERPOLATIONFILTERTYPE mcomp_filter_type;
+  LOOPFILTERTYPE filter_type;
+
+  loop_filter_info_n lf_info;
+
+  int filter_level;
+  int last_sharpness_level;
+  int sharpness_level;
+
+  int refresh_last_frame;       /* Two state 0 = NO, 1 = YES */
+  int refresh_golden_frame;     /* Two state 0 = NO, 1 = YES */
+  int refresh_alt_ref_frame;     /* Two state 0 = NO, 1 = YES */
+
+  int copy_buffer_to_gf;         /* 0 none, 1 Last to GF, 2 ARF to GF */
+  int copy_buffer_to_arf;        /* 0 none, 1 Last to ARF, 2 GF to ARF */
+
+  int refresh_entropy_probs;    /* Two state 0 = NO, 1 = YES */
+
+  int ref_frame_sign_bias[MAX_REF_FRAMES];    /* Two state 0, 1 */
+
+  /* Y,U,V,Y2 */
+  ENTROPY_CONTEXT_PLANES *above_context;   /* row of context for each plane */
+  ENTROPY_CONTEXT_PLANES left_context[2];  /* (up to) 4 contexts "" */
+
+  /* keyframe block modes are predicted by their above, left neighbors */
+
+  vp9_prob kf_bmode_prob[VP9_KF_BINTRAMODES]
+                        [VP9_KF_BINTRAMODES]
+                        [VP9_KF_BINTRAMODES - 1];
+  vp9_prob kf_ymode_prob[8][VP9_YMODES - 1]; /* keyframe "" */
+#if CONFIG_SUPERBLOCKS
+  vp9_prob sb_kf_ymode_prob[8][VP9_I32X32_MODES - 1];
+#endif
+  int kf_ymode_probs_index;
+  int kf_ymode_probs_update;
+  vp9_prob kf_uv_mode_prob[VP9_YMODES] [VP9_UV_MODES - 1];
+
+  vp9_prob prob_intra_coded;
+  vp9_prob prob_last_coded;
+  vp9_prob prob_gf_coded;
+#if CONFIG_SUPERBLOCKS
+  vp9_prob sb_coded;
+#endif
+
+  // Context probabilities when using predictive coding of segment id
+  vp9_prob segment_pred_probs[PREDICTION_PROBS];
+  unsigned char temporal_update;
+
+  // Context probabilities for reference frame prediction
+  unsigned char ref_scores[MAX_REF_FRAMES];
+  vp9_prob ref_pred_probs[PREDICTION_PROBS];
+  vp9_prob mod_refprobs[MAX_REF_FRAMES][PREDICTION_PROBS];
+
+  vp9_prob prob_comppred[COMP_PRED_CONTEXTS];
+
+  // FIXME contextualize
+  vp9_prob prob_tx[TX_SIZE_MAX - 1];
+
+  vp9_prob mbskip_pred_probs[MBSKIP_CONTEXTS];
+
+  FRAME_CONTEXT lfc_a; /* last alt ref entropy */
+  FRAME_CONTEXT lfc; /* last frame entropy */
+  FRAME_CONTEXT fc;  /* this frame entropy */
+
+  unsigned int current_video_frame;
+  int near_boffset[3];
+  int version;
+
+#ifdef PACKET_TESTING
+  VP9_HEADER oh;
+#endif
+  double bitrate;
+  double framerate;
+
+#if CONFIG_POSTPROC
+  struct postproc_state  postproc_state;
+#endif
+
+#if CONFIG_PRED_FILTER
+  /* Prediction filter variables */
+  int pred_filter_mode;   // 0=disabled at the frame level (no MB filtered)
+  // 1=enabled at the frame level (all MB filtered)
+  // 2=specified per MB (1=filtered, 0=non-filtered)
+  vp9_prob prob_pred_filter_off;
+#endif
+#if CONFIG_COMP_INTERINTRA_PRED
+  int use_interintra;
+#endif
+
+} VP9_COMMON;
+
+#endif  // __INC_ONYX_INT_H