VideoDecoder.setSubframeMode

If this is set to TRUE, it informs the base class that the subclass can receive the data at a granularity lower than one frame.

Note that in this mode, the subclass has two options. It can either require the presence of a GST_VIDEO_BUFFER_FLAG_MARKER to mark the end of a frame. Or it can operate in such a way that it will decode a single frame at a time. In this second case, every buffer that arrives to the element is considered part of the same frame until [gstvideo.video_decoder.VideoDecoder.finishFrame] is called.

In either case, the same #GstVideoCodecFrame will be passed to the GstVideoDecoderClass:handle_frame vmethod repeatedly with a different GstVideoCodecFrame:input_buffer every time until the end of the frame has been signaled using either method. This method must be called during the decoder subclass set_format call.