gf_dash_group_get_audio_channels  257 include/gpac/dash.h u32 gf_dash_group_get_audio_channels(GF_DashClient *dash, u32 idx);
gf_dash_group_get_audio_channels 7406 src/media_tools/dash_client.c 	quality->nb_channels = gf_dash_group_get_audio_channels(dash, idx);