private:
// Called by write_buffer and clear_frame to initialize OpenGL flags
- void init_frame(Playback3DCommand *command, int is_yuv=0);
+ void color_frame(Playback3DCommand *command,
+ float r, float g, float b, float a);
void write_buffer_sync(Playback3DCommand *command);
void draw_output(Playback3DCommand *command, int flip_y);
void clear_output_sync(Playback3DCommand *command);