static void load_audio_options(Asset *asset, EDL *edl);
static void scan_video_options(Asset *asset, EDL *edl);
static void load_video_options(Asset *asset, EDL *edl);
static void load_audio_options(Asset *asset, EDL *edl);
static void scan_video_options(Asset *asset, EDL *edl);
static void load_video_options(Asset *asset, EDL *edl);