switch (frame_type ()) {
case VideoFrameType::TWO_D:
case VideoFrameType::THREE_D:
case VideoFrameType::THREE_D_ALTERNATE:
case VideoFrameType::THREE_D_LEFT:
case VideoFrameType::THREE_D_RIGHT:
switch (frame_type ()) {
case VideoFrameType::TWO_D:
case VideoFrameType::THREE_D:
case VideoFrameType::THREE_D_ALTERNATE:
case VideoFrameType::THREE_D_LEFT:
case VideoFrameType::THREE_D_RIGHT: