Broadcast how much has been buffered

This commit is contained in:
Ryan Heise 2020-03-07 19:41:40 +11:00
parent 338401b23f
commit eebb343280
3 changed files with 53 additions and 6 deletions

View file

@ -66,6 +66,7 @@ class AudioPlayer {
buffering: false,
updatePosition: Duration.zero,
updateTime: Duration.zero,
bufferedPosition: Duration.zero,
speed: 1.0,
duration: Duration.zero,
);
@ -80,6 +81,8 @@ class AudioPlayer {
final _bufferingSubject = BehaviorSubject<bool>();
final _bufferedPositionSubject = BehaviorSubject<Duration>();
final _fullPlaybackStateSubject = BehaviorSubject<FullAudioPlaybackState>();
double _volume = 1.0;
@ -102,6 +105,7 @@ class AudioPlayer {
buffering: data[1],
updatePosition: Duration(milliseconds: data[2]),
updateTime: Duration(milliseconds: data[3]),
bufferedPosition: Duration(milliseconds: data[4]),
speed: _speed,
duration: _duration,
));
@ -111,6 +115,8 @@ class AudioPlayer {
.addStream(playbackEventStream.map((state) => state.state).distinct());
_bufferingSubject.addStream(
playbackEventStream.map((state) => state.buffering).distinct());
_bufferedPositionSubject.addStream(
playbackEventStream.map((state) => state.bufferedPosition).distinct());
_fullPlaybackStateSubject.addStream(
Rx.combineLatest2<AudioPlaybackState, bool, FullAudioPlaybackState>(
playbackStateStream,
@ -145,6 +151,10 @@ class AudioPlayer {
/// A stream of buffering state changes.
Stream<bool> get bufferingStream => _bufferingSubject.stream;
/// A stream of buffered positions.
Stream<Duration> get bufferedPositionStream =>
_bufferedPositionSubject.stream;
/// A stream of [FullAudioPlaybackState]s.
Stream<FullAudioPlaybackState> get fullPlaybackStateStream =>
_fullPlaybackStateSubject.stream;
@ -325,6 +335,9 @@ class AudioPlaybackEvent {
/// The position at [updateTime].
final Duration updatePosition;
/// The buffer position.
final Duration bufferedPosition;
/// The playback speed.
final double speed;
@ -336,6 +349,7 @@ class AudioPlaybackEvent {
@required this.buffering,
@required this.updateTime,
@required this.updatePosition,
@required this.bufferedPosition,
@required this.speed,
@required this.duration,
});