0.9.0

• Audio Track Switching
  • Added setPreferredAudioTrack(languageName:) to set a preferred audio language by display name (case-insensitive).
  • Preferred audio track is automatically applied on every playlist item change, not just the first video.
  • SDK now resets the preferred track selection state on each player attach, ensuring consistent behavior across playlist transitions.
  • Introduced FastPixAudioTrackDelegate with callbacks for track updates, track changes, switching state, and errors.
  • Added getAudioTracks() to retrieve all available audio tracks for the current item.
  • Added getCurrentAudioTrack() to retrieve the currently active audio track.
  • Added setAudioTrack(trackId:) to switch audio tracks programmatically during playback.
  • Falls back to the manifest default track if the preferred language is not available in the stream.
• Subtitle Track Switching
  • Added setPreferredSubtitleTrack(languageName:) to set a preferred subtitle language by display name (case-insensitive).
  • Preferred subtitle track is automatically applied on every playlist item change.
  • SDK resets subtitle parser and selection state on each player attach to prevent stale cues across playlist transitions.
  • Introduced FastPixSubtitleTrackDelegate with callbacks for tracks loaded, track change, cue change, and errors.
  • Added getSubtitleTracks() to retrieve all available subtitle tracks for the current item.
  • Added getCurrentSubtitleTrack() to retrieve the currently active subtitle track, or nil if subtitles are off.
  • Added setSubtitleTrack(trackId:) to switch subtitle tracks programmatically during playback.
  • Added disableSubtitles() to turn off subtitles and stop the WebVTT parser.
  • Real-time subtitle cue delivery via onSubtitleCueChange(information:) with text, timestamp, and language code.
  • Built-in WebVTT parser that fetches and parses subtitle segments from HLS manifest-resolved playlist URLs.
  • Falls back to the manifest default track if the preferred language is not available in the stream.