In an m3u8 manifest, audio EXT-X-MEDIA tags usually contain CHANNELS tag containing the audio channels count like so:
#EXT-X-MEDIA:TYPE=AUDIO,URI="audio_clear_eng_stereo.m3u8",GROUP-ID="default-audio-group",LANGUAGE="en",NAME="stream_5",AUTOSELECT=YES,CHANNELS="2"
Is it possible to get this info from AVPlayer, AVMediaSelectionOption or some related API?
AVAudioFormat, AVAudioNode and AVPlayer itself, via audio track descriptions with CMAudioFormatDescriptionGetStreamBasicDescription all provide channel count information.
Rico
WWDR | DTS | Software Engineer
Hello @okycelt,
You can observe when the AVPlayerItem's tracks property updates:
playerItem.publisher(for: \.tracks).sink { newTracks in
for track in newTracks {
if let assetTrack = track.assetTrack, assetTrack.mediaType == .audio {
// Do something with the audio track.
}
}
}.store(in: &subscriptions)