C++ (Cpp) vp9_get_skip_context示例

示例#1

文件： vp9_tokenize.c 项目： Laknot/libvpx

void vp9_tokenize_sb(VP9_COMP *cpi, ThreadData *td, TOKENEXTRA **t,
                     int dry_run, BLOCK_SIZE bsize) {
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCK *const x = &td->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
  MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
  TOKENEXTRA *t_backup = *t;
  const int ctx = vp9_get_skip_context(xd);
  const int skip_inc = !vp9_segfeature_active(&cm->seg, mbmi->segment_id,
                                              SEG_LVL_SKIP);
  struct tokenize_b_args arg = {cpi, td, t};
  if (mbmi->skip) {
    if (!dry_run)
      td->counts->skip[ctx][1] += skip_inc;
    reset_skip_context(xd, bsize);
    if (dry_run)
      *t = t_backup;
    return;
  }

  if (!dry_run) {
    td->counts->skip[ctx][0] += skip_inc;
    vp9_foreach_transformed_block(xd, bsize, tokenize_b, &arg);
  } else {
    vp9_foreach_transformed_block(xd, bsize, set_entropy_context_b, &arg);
    *t = t_backup;
  }
}

示例#2

文件： vp9_tokenize.c 项目： JasonOldWoo/webrtc-qt

void vp9_tokenize_sb(VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
                     BLOCK_SIZE bsize) {
  VP9_COMMON *const cm = &cpi->common;
  MACROBLOCKD *const xd = &cpi->mb.e_mbd;
  MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
  TOKENEXTRA *t_backup = *t;
  const int ctx = vp9_get_skip_context(xd);
  const int skip_inc = !vp9_segfeature_active(&cm->seg, mbmi->segment_id,
                                              SEG_LVL_SKIP);
  struct tokenize_b_args arg = {cpi, xd, t, mbmi->tx_size, cpi->mb.token_cache};
  if (mbmi->skip_coeff) {
    if (!dry_run)
      cm->counts.mbskip[ctx][1] += skip_inc;
    reset_skip_context(xd, bsize);
    if (dry_run)
      *t = t_backup;
    return;
  }

  if (!dry_run) {
    cm->counts.mbskip[ctx][0] += skip_inc;
    foreach_transformed_block(xd, bsize, tokenize_b, &arg);
  } else {
    foreach_transformed_block(xd, bsize, set_entropy_context_b, &arg);
    *t = t_backup;
  }
}

示例#3

文件： vp9_tokenize.c 项目： Corax26/libvpx

void vp9_tokenize_sb(VP9_COMP *cpi, ThreadData *td, TOKENEXTRA **t, int dry_run,
                     int seg_skip, BLOCK_SIZE bsize) {
  MACROBLOCK *const x = &td->mb;
  MACROBLOCKD *const xd = &x->e_mbd;
  MODE_INFO *const mi = xd->mi[0];
  const int ctx = vp9_get_skip_context(xd);
  struct tokenize_b_args arg = { cpi, td, t };

  if (seg_skip) {
    assert(mi->skip);
  }

  if (mi->skip) {
    if (!dry_run && !seg_skip) ++td->counts->skip[ctx][1];
    reset_skip_context(xd, bsize);
    return;
  }

  if (!dry_run) {
    ++td->counts->skip[ctx][0];
    vp9_foreach_transformed_block(xd, bsize, tokenize_b, &arg);
  } else {
    vp9_foreach_transformed_block(xd, bsize, set_entropy_context_b, &arg);
  }
}

示例#4

文件： vp9_decodemv.c 项目： Brainiarc7/libvpx

static int read_skip_coeff(VP9_COMMON *cm, const MACROBLOCKD *xd,
                           int segment_id, vp9_reader *r) {
  if (vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) {
    return 1;
  } else {
    const int ctx = vp9_get_skip_context(xd);
    const int skip = vp9_read(r, cm->fc.mbskip_probs[ctx]);
    if (!cm->frame_parallel_decoding_mode)
      ++cm->counts.mbskip[ctx][skip];
    return skip;
  }
}

示例#5

文件： vp9_decodemv.c 项目： MekliCZ/positron

static int read_skip(VP9_COMMON *cm, const MACROBLOCKD *xd,
                     int segment_id, vp9_reader *r) {
  if (vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) {
    return 1;
  } else {
    const int ctx = vp9_get_skip_context(xd);
    const int skip = vp9_read(r, cm->fc->skip_probs[ctx]);
    FRAME_COUNTS *counts = xd->counts;
    if (counts)
      ++counts->skip[ctx][skip];
    return skip;
  }
}