C++ (Cpp) vp9_set_mb_miの例

コード例 #1

ファイル: vp9_alloccommon.c プロジェクト: DrDornon/4charm

int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
  vp9_free_context_buffers(cm);

  vp9_set_mb_mi(cm, width, height);
  if (cm->alloc_mi(cm, cm->mi_stride * calc_mi_size(cm->mi_rows)))
    goto fail;

  // Create the segmentation map structure and set to 0.
  free_seg_map(cm);
  if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols))
    goto fail;

  cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc(
      2 * mi_cols_aligned_to_sb(cm->mi_cols) * MAX_MB_PLANE,
      sizeof(*cm->above_context));
  if (!cm->above_context) goto fail;

  cm->above_seg_context = (PARTITION_CONTEXT *)vpx_calloc(
      mi_cols_aligned_to_sb(cm->mi_cols), sizeof(*cm->above_seg_context));
  if (!cm->above_seg_context) goto fail;

  return 0;

 fail:
  vp9_free_context_buffers(cm);
  return 1;
}

コード例 #2

ファイル: vp9_alloccommon.c プロジェクト: yaowuxu/libvpx

int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
  vp9_free_context_buffers(cm);

  vp9_set_mb_mi(cm, width, height);
  if (alloc_mi(cm, cm->mi_stride * calc_mi_size(cm->mi_rows)))
    goto fail;

  if (cm->use_gpu) {
    if (vp9_alloc_gpu_interface_buffers(cm))
      goto fail;

    cm->is_background_map = (uint8_t *)vpx_calloc(
        cm->sb_rows * cm->sb_cols, sizeof(*cm->is_background_map));
    if (!cm->is_background_map) goto fail;
  }

  cm->last_frame_seg_map = (uint8_t *)vpx_calloc(cm->mi_rows * cm->mi_cols, 1);
  if (!cm->last_frame_seg_map) goto fail;

  cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc(
      2 * mi_cols_aligned_to_sb(cm->mi_cols) * MAX_MB_PLANE,
      sizeof(*cm->above_context));
  if (!cm->above_context) goto fail;

  cm->above_seg_context = (PARTITION_CONTEXT *)vpx_calloc(
      mi_cols_aligned_to_sb(cm->mi_cols), sizeof(*cm->above_seg_context));
  if (!cm->above_seg_context) goto fail;

  return 0;

 fail:
  vp9_free_context_buffers(cm);
  return 1;
}