vp9_onyxc_int.h 10.8 KB
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/*
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 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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 *
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 *  Use of this source code is governed by a BSD-style license
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 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
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 *  in the file PATENTS.  All contributing project authors may
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 *  be found in the AUTHORS file in the root of the source tree.
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 */

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#ifndef VP9_COMMON_VP9_ONYXC_INT_H_
#define VP9_COMMON_VP9_ONYXC_INT_H_
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#include "vpx_config.h"
#include "vpx/internal/vpx_codec_internal.h"
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#include "vp9_rtcd.h"
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#include "vp9/common/vp9_loopfilter.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_entropy.h"
#include "vp9/common/vp9_entropymode.h"
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#if CONFIG_POSTPROC
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#include "vp9/common/vp9_postproc.h"
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#endif
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/*#ifdef PACKET_TESTING*/
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#include "vp9/common/vp9_header.h"
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/*#endif*/
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/* Create/destroy static data structures. */

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void vp9_initialize_common(void);
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#define MINQ 0
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#define MAXQ 255
#define QINDEX_BITS 8

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#define QINDEX_RANGE (MAXQ + 1)

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#if CONFIG_MULTIPLE_ARF
#define NUM_REF_FRAMES 8
#define NUM_REF_FRAMES_LG2 3
#else
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#define NUM_REF_FRAMES 3
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#define NUM_REF_FRAMES_LG2 2
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#endif
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#define ALLOWED_REFS_PER_FRAME 3

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// 1 scratch frame for the new frame, 3 for scaled references on the encoder
// TODO(jkoleszar): These 3 extra references could probably come from the
// normal reference pool.
#define NUM_YV12_BUFFERS (NUM_REF_FRAMES + 4)
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#define NUM_FRAME_CONTEXTS_LG2 2
#define NUM_FRAME_CONTEXTS (1 << NUM_FRAME_CONTEXTS_LG2)

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#define COMP_PRED_CONTEXTS   2
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#define MAX_LAG_BUFFERS 25

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typedef struct frame_contexts {
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  vp9_prob bmode_prob[VP9_NKF_BINTRAMODES - 1];
  vp9_prob ymode_prob[VP9_YMODES - 1]; /* interframe intra mode probs */
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  vp9_prob sb_ymode_prob[VP9_I32X32_MODES - 1];
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  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];
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  vp9_prob partition_prob[PARTITION_PLANES][PARTITION_TYPES - 1];
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  vp9_coeff_probs coef_probs_4x4[BLOCK_TYPES];
  vp9_coeff_probs coef_probs_8x8[BLOCK_TYPES];
  vp9_coeff_probs coef_probs_16x16[BLOCK_TYPES];
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  vp9_coeff_probs coef_probs_32x32[BLOCK_TYPES];
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#if CONFIG_CODE_ZEROGROUP
  vp9_zpc_probs zpc_probs_4x4;
  vp9_zpc_probs zpc_probs_8x8;
  vp9_zpc_probs zpc_probs_16x16;
  vp9_zpc_probs zpc_probs_32x32;
#endif
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  nmv_context nmvc;
  nmv_context pre_nmvc;
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  vp9_prob pre_bmode_prob[VP9_NKF_BINTRAMODES - 1];
  vp9_prob pre_ymode_prob[VP9_YMODES - 1]; /* interframe intra mode probs */
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  vp9_prob pre_sb_ymode_prob[VP9_I32X32_MODES - 1];
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  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];
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  vp9_prob pre_partition_prob[PARTITION_PLANES][PARTITION_TYPES - 1];
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  unsigned int bmode_counts[VP9_NKF_BINTRAMODES];
  unsigned int ymode_counts[VP9_YMODES];   /* interframe intra mode probs */
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  unsigned int sb_ymode_counts[VP9_I32X32_MODES];
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  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];
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  unsigned int partition_counts[PARTITION_PLANES][PARTITION_TYPES];
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  vp9_coeff_probs pre_coef_probs_4x4[BLOCK_TYPES];
  vp9_coeff_probs pre_coef_probs_8x8[BLOCK_TYPES];
  vp9_coeff_probs pre_coef_probs_16x16[BLOCK_TYPES];
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  vp9_coeff_probs pre_coef_probs_32x32[BLOCK_TYPES];
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#if CONFIG_CODE_ZEROGROUP
  vp9_zpc_probs pre_zpc_probs_4x4;
  vp9_zpc_probs pre_zpc_probs_8x8;
  vp9_zpc_probs pre_zpc_probs_16x16;
  vp9_zpc_probs pre_zpc_probs_32x32;
#endif
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  vp9_coeff_count coef_counts_4x4[BLOCK_TYPES];
  vp9_coeff_count coef_counts_8x8[BLOCK_TYPES];
  vp9_coeff_count coef_counts_16x16[BLOCK_TYPES];
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  vp9_coeff_count coef_counts_32x32[BLOCK_TYPES];
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  unsigned int eob_branch_counts[TX_SIZE_MAX_SB][BLOCK_TYPES][REF_TYPES]
                                [COEF_BANDS][PREV_COEF_CONTEXTS];

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#if CONFIG_CODE_ZEROGROUP
  vp9_zpc_count zpc_counts_4x4;
  vp9_zpc_count zpc_counts_8x8;
  vp9_zpc_count zpc_counts_16x16;
  vp9_zpc_count zpc_counts_32x32;
#endif
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  nmv_context_counts NMVcount;
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  vp9_prob switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
                                 [VP9_SWITCHABLE_FILTERS - 1];
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#if CONFIG_COMP_INTERINTRA_PRED
  unsigned int interintra_counts[2];
  vp9_prob interintra_prob;
  vp9_prob pre_interintra_prob;
#endif
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  int vp9_mode_contexts[INTER_MODE_CONTEXTS][4];
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  unsigned int mv_ref_ct[INTER_MODE_CONTEXTS][4][2];
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} FRAME_CONTEXT;

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typedef enum {
  RECON_CLAMP_REQUIRED        = 0,
  RECON_CLAMP_NOTREQUIRED     = 1
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} CLAMP_TYPE;

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typedef enum {
  SINGLE_PREDICTION_ONLY = 0,
  COMP_PREDICTION_ONLY   = 1,
  HYBRID_PREDICTION      = 2,
  NB_PREDICTION_TYPES    = 3,
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} COMPPREDMODE_TYPE;
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typedef enum {
  ONLY_4X4            = 0,
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  ALLOW_8X8           = 1,
  ALLOW_16X16         = 2,
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  ALLOW_32X32         = 3,
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  TX_MODE_SELECT      = 4,
  NB_TXFM_MODES       = 5,
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} TXFM_MODE;

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typedef struct VP9Common {
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  struct vpx_internal_error_info  error;
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  DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][16]);
  DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][16]);
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  int width;
  int height;
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  int display_width;
  int display_height;
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  int last_width;
  int last_height;
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  YUV_TYPE clr_type;
  CLAMP_TYPE  clamp_type;
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  YV12_BUFFER_CONFIG *frame_to_show;
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  YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
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  int fb_idx_ref_cnt[NUM_YV12_BUFFERS]; /* reference counts */
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  int ref_frame_map[NUM_REF_FRAMES]; /* maps fb_idx to reference slot */

  /* TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
   * roll new_fb_idx into it.
   */
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  int active_ref_idx[3]; /* each frame can reference 3 buffers */
  int new_fb_idx;
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  struct scale_factors active_ref_scale[3];
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  YV12_BUFFER_CONFIG post_proc_buffer;
  YV12_BUFFER_CONFIG temp_scale_frame;
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  FRAME_TYPE last_frame_type;  /* Save last frame's frame type for motion search. */
  FRAME_TYPE frame_type;
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  int show_frame;
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  int last_show_frame;
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  int frame_flags;
  int MBs;
  int mb_rows;
  int mb_cols;
  int mode_info_stride;
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  /* profile settings */
  int experimental;
  TXFM_MODE txfm_mode;
  COMPPREDMODE_TYPE comp_pred_mode;
  int no_lpf;
  int use_bilinear_mc_filter;
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  int base_qindex;
  int last_kf_gf_q;  /* Q used on the last GF or KF */
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  int y_dc_delta_q;
  int uv_dc_delta_q;
  int uv_ac_delta_q;
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  unsigned int frames_since_golden;
  unsigned int frames_till_alt_ref_frame;
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  /* We allocate a MODE_INFO struct for each macroblock, together with
     an extra row on top and column on the left to simplify prediction. */
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  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) */
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  // Persistent mb segment id map used in prediction.
  unsigned char *last_frame_seg_map;
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  INTERPOLATIONFILTERTYPE mcomp_filter_type;
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  LOOPFILTER_TYPE filter_type;
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  loop_filter_info_n lf_info;
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  int filter_level;
  int last_sharpness_level;
  int sharpness_level;
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  int dering_enabled;
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  int refresh_entropy_probs;    /* Two state 0 = NO, 1 = YES */
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  int ref_frame_sign_bias[MAX_REF_FRAMES];    /* Two state 0, 1 */
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  /* Y,U,V */
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  ENTROPY_CONTEXT_PLANES *above_context;   /* row of context for each plane */
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  ENTROPY_CONTEXT_PLANES left_context[4];  /* (up to) 4 contexts "" */
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  /* keyframe block modes are predicted by their above, left neighbors */
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  vp9_prob kf_bmode_prob[VP9_KF_BINTRAMODES]
                        [VP9_KF_BINTRAMODES]
                        [VP9_KF_BINTRAMODES - 1];
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  vp9_prob kf_ymode_prob[8][VP9_YMODES - 1]; /* keyframe "" */
  vp9_prob sb_kf_ymode_prob[8][VP9_I32X32_MODES - 1];
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  int kf_ymode_probs_index;
  int kf_ymode_probs_update;
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  vp9_prob kf_uv_mode_prob[VP9_YMODES] [VP9_UV_MODES - 1];
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  vp9_prob prob_intra_coded;
  vp9_prob prob_last_coded;
  vp9_prob prob_gf_coded;
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  // Context probabilities when using predictive coding of segment id
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  vp9_prob segment_pred_probs[PREDICTION_PROBS];
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  unsigned char temporal_update;
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  // Context probabilities for reference frame prediction
  unsigned char ref_scores[MAX_REF_FRAMES];
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  vp9_prob ref_pred_probs[PREDICTION_PROBS];
  vp9_prob mod_refprobs[MAX_REF_FRAMES][PREDICTION_PROBS];
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  vp9_prob prob_comppred[COMP_PRED_CONTEXTS];
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  // FIXME contextualize
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  vp9_prob prob_tx[TX_SIZE_MAX_SB - 1];
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  vp9_prob mbskip_pred_probs[MBSKIP_CONTEXTS];
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  FRAME_CONTEXT fc;  /* this frame entropy */
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  FRAME_CONTEXT frame_contexts[NUM_FRAME_CONTEXTS];
  unsigned int  frame_context_idx; /* Context to use/update */
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  unsigned int current_video_frame;
  int near_boffset[3];
  int version;
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#ifdef PACKET_TESTING
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  VP9_HEADER oh;
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#endif
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  double bitrate;
  double framerate;
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#if CONFIG_POSTPROC
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  struct postproc_state  postproc_state;
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#endif
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#if CONFIG_COMP_INTERINTRA_PRED
  int use_interintra;
#endif
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  int error_resilient_mode;
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  int frame_parallel_decoding_mode;
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  int tile_columns, log2_tile_columns;
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  int cur_tile_mb_col_start, cur_tile_mb_col_end, cur_tile_col_idx;
  int tile_rows, log2_tile_rows;
  int cur_tile_mb_row_start, cur_tile_mb_row_end, cur_tile_row_idx;
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} VP9_COMMON;
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static int get_free_fb(VP9_COMMON *cm) {
  int i;
  for (i = 0; i < NUM_YV12_BUFFERS; i++)
    if (cm->fb_idx_ref_cnt[i] == 0)
      break;

  assert(i < NUM_YV12_BUFFERS);
  cm->fb_idx_ref_cnt[i] = 1;
  return i;
}

static void ref_cnt_fb(int *buf, int *idx, int new_idx) {
  if (buf[*idx] > 0)
    buf[*idx]--;

  *idx = new_idx;

  buf[new_idx]++;
}

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// TODO(debargha): merge the two functions
static void set_mb_row(VP9_COMMON *cm, MACROBLOCKD *xd,
                       int mb_row, int block_size) {
  xd->mb_to_top_edge    = -((mb_row * 16) << 3);
  xd->mb_to_bottom_edge = ((cm->mb_rows - block_size - mb_row) * 16) << 3;

  // Are edges available for intra prediction?
  xd->up_available    = (mb_row != 0);
}

static void set_mb_col(VP9_COMMON *cm, MACROBLOCKD *xd,
                       int mb_col, int block_size) {
  xd->mb_to_left_edge   = -((mb_col * 16) << 3);
  xd->mb_to_right_edge  = ((cm->mb_cols - block_size - mb_col) * 16) << 3;

  // Are edges available for intra prediction?
  xd->left_available  = (mb_col > cm->cur_tile_mb_col_start);
  xd->right_available = (mb_col + block_size < cm->cur_tile_mb_col_end);
}

static int get_mb_row(const MACROBLOCKD *xd) {
  return ((-xd->mb_to_top_edge) >> 7);
}

static int get_mb_col(const MACROBLOCKD *xd) {
  return ((-xd->mb_to_left_edge) >> 7);
}
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static int get_token_alloc(int mb_rows, int mb_cols) {
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#if CONFIG_CODE_ZEROGROUP
  return mb_rows * mb_cols * (24 * 16 * 2);
#else
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  return mb_rows * mb_cols * (24 * 16 + 4);
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#endif
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}
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#endif  // VP9_COMMON_VP9_ONYXC_INT_H_