- RefCountedFrame new_frame;
- int64_t new_frame_length; // In TIMEBASE units.
- bool new_frame_interlaced;
- unsigned new_frame_field; // Which field (0 or 1) of the frame to use. Always 0 for progressive.
- GLsync new_data_ready_fence; // Whether new_frame is ready for rendering.
- std::condition_variable new_data_ready_changed; // Set whenever new_data_ready is changed.
- unsigned dropped_frames = 0; // Before new_frame.