C++ (Cpp) vp9_init_mode_contexts Beispiele

Beispiel #1

Datei: vp9_ratectrl.c Projekt: angad/libjingle-linux

void vp9_setup_key_frame(VP9_COMP *cpi) {
  VP9_COMMON *cm = &cpi->common;
  // Setup for Key frame:
  vp9_default_coef_probs(& cpi->common);
  vp9_kf_default_bmode_probs(cpi->common.kf_bmode_prob);
  vp9_init_mbmode_probs(& cpi->common);
  vp9_default_bmode_probs(cm->fc.bmode_prob);

  if(cm->last_frame_seg_map)
    vpx_memset(cm->last_frame_seg_map, 0, (cm->mb_rows * cm->mb_cols));

  vp9_init_mv_probs(& cpi->common);

  // cpi->common.filter_level = 0;      // Reset every key frame.
  cpi->common.filter_level = cpi->common.base_qindex * 3 / 8;

  // interval before next GF
  cpi->frames_till_gf_update_due = cpi->baseline_gf_interval;

  cpi->common.refresh_golden_frame = TRUE;
  cpi->common.refresh_alt_ref_frame = TRUE;

  vp9_init_mode_contexts(&cpi->common);
  vpx_memcpy(&cpi->common.lfc, &cpi->common.fc, sizeof(cpi->common.fc));
  vpx_memcpy(&cpi->common.lfc_a, &cpi->common.fc, sizeof(cpi->common.fc));

  vpx_memset(cm->prev_mip, 0,
    (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO));
  vpx_memset(cm->mip, 0,
    (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO));

  vp9_update_mode_info_border(cm, cm->mip);
  vp9_update_mode_info_in_image(cm, cm->mi);
}

Beispiel #2

Datei: vp9_ratectrl.c Projekt: Kindpire/synciga

void vp9_setup_key_frame(VP9_COMP *cpi) {
  VP9_COMMON *cm = &cpi->common;
  // Setup for Key frame:
  vp9_default_coef_probs(& cpi->common);
  vp9_kf_default_bmode_probs(cpi->common.kf_bmode_prob);
  vp9_init_mbmode_probs(& cpi->common);
  vp9_default_bmode_probs(cm->fc.bmode_prob);

  if(cm->last_frame_seg_map)
    vpx_memset(cm->last_frame_seg_map, 0, (cm->mb_rows * cm->mb_cols));

  vp9_init_mv_probs(& cpi->common);

  // cpi->common.filter_level = 0;      // Reset every key frame.
  cpi->common.filter_level = cpi->common.base_qindex * 3 / 8;

  // interval before next GF
  cpi->frames_till_gf_update_due = cpi->baseline_gf_interval;

  cpi->common.refresh_golden_frame = TRUE;
  cpi->common.refresh_alt_ref_frame = TRUE;

  vp9_init_mode_contexts(&cpi->common);
  vpx_memcpy(&cpi->common.lfc, &cpi->common.fc, sizeof(cpi->common.fc));
  vpx_memcpy(&cpi->common.lfc_a, &cpi->common.fc, sizeof(cpi->common.fc));

  vpx_memset(cm->prev_mip, 0,
    (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO));
  vpx_memset(cm->mip, 0,
    (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO));

  vp9_update_mode_info_border(cm, cm->mip);
  vp9_update_mode_info_in_image(cm, cm->mi);

#if CONFIG_NEW_MVREF
  if (1) {
    MACROBLOCKD *xd = &cpi->mb.e_mbd;

    // Defaults probabilities for encoding the MV ref id signal
    vpx_memset(xd->mb_mv_ref_probs, VP9_DEFAULT_MV_REF_PROB,
               sizeof(xd->mb_mv_ref_probs));
  }
#endif
}