int read_frame(VFrame *frame);
int64_t get_memory_usage(void);
int colormodel_supported(int colormodel);
int read_frame(VFrame *frame);
int64_t get_memory_usage(void);
int colormodel_supported(int colormodel);
int select_video_stream(Asset *asset, int vstream);
int select_audio_stream(Asset *asset, int astream);
};
int select_video_stream(Asset *asset, int vstream);
int select_audio_stream(Asset *asset, int astream);
};