C++ (Cpp) cog_frame_new_virtual示例

示例#1

文件： gstlogoinsert.c 项目： dylansong77/gstreamer

static CogFrame *
cog_virt_frame_extract_alpha (CogFrame * frame)
{
  CogFrame *virt_frame;

  /* FIXME check that frame is a real AYUV frame */

  virt_frame = cog_frame_new_virtual (NULL, COG_FRAME_FORMAT_U8_444,
      frame->width, frame->height);
  virt_frame->virt_frame1 = frame;
  virt_frame->render_line = extract_alpha;

  return virt_frame;
}

示例#2

文件： gstcolorconvert.c 项目： jonasl/gst-svtplayer

static CogFrame *
cog_virt_frame_new_color_transform (CogFrame * frame)
{
  CogFrame *virt_frame;

  g_return_val_if_fail (frame->format == COG_FRAME_FORMAT_U8_444, NULL);

  virt_frame = cog_frame_new_virtual (NULL, COG_FRAME_FORMAT_U8_444,
      frame->width, frame->height);
  virt_frame->virt_frame1 = frame;
  virt_frame->render_line = color_transform;

  virt_frame->virt_priv2 = get_color_transform_table ();

  return virt_frame;
}