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fix(live-tv): stabilize HLS playback

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This commit is contained in:
edde746
2026-07-18 20:04:09 +02:00
parent 46dfc7f992
commit 0707d4d9b1
27 changed files with 230 additions and 211 deletions
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lib/mpv/player/player_base.dart
+8 -20
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@@ -58,7 +58,6 @@ abstract class PlayerBase with PlayerStreamControllersMixin implements Player {
int _lastEmitMs = 0;
int _lastCacheStateMs = 0;
int _positionMs = 0;
Duration _timelineOffset = Duration.zero;
Duration? _timelineDuration;
int _nextPropId = 0;
final Map<int, String> _propIdToName = {};
@@ -198,7 +197,7 @@ abstract class PlayerBase with PlayerStreamControllersMixin implements Player {
case 'time-pos':
if (value is num) {
final pos = _toTimelinePosition(Duration(milliseconds: (value * 1000).round()));
final pos = Duration(milliseconds: (value * 1000).round());
_positionMs = pos.inMilliseconds;
// Only allocate Duration + copyWith + emit at ~4Hz (250ms).
// Raw int is stored every tick so synchronous reads via _positionMs stay current.
@@ -213,7 +212,7 @@ abstract class PlayerBase with PlayerStreamControllersMixin implements Player {
case 'duration':
if (value is num) {
final duration = _timelineDuration ?? _toTimelinePosition(Duration(milliseconds: (value * 1000).toInt()));
final duration = _timelineDuration ?? Duration(milliseconds: (value * 1000).toInt());
_state = _state.copyWith(duration: duration);
durationController.add(duration);
}
@@ -230,7 +229,7 @@ abstract class PlayerBase with PlayerStreamControllersMixin implements Player {
final nowMs = _throttleSw.elapsedMilliseconds;
if (nowMs - _lastCacheStateMs < 250) break;
_lastCacheStateMs = nowMs;
final buffer = _toTimelinePosition(Duration(milliseconds: (value * 1000).toInt()));
final buffer = Duration(milliseconds: (value * 1000).toInt());
_state = _state.copyWith(buffer: buffer);
bufferController.add(buffer);
// Synthesize a single range for players without demuxer-cache-state (ExoPlayer).
@@ -329,7 +328,7 @@ abstract class PlayerBase with PlayerStreamControllersMixin implements Player {
// Extract cache-end for the single buffer duration (replaces demuxer-cache-time)
final cacheEnd = cacheState['cache-end'] as num?;
if (cacheEnd != null) {
final buffer = _toTimelinePosition(Duration(milliseconds: (cacheEnd * 1000).toInt()));
final buffer = Duration(milliseconds: (cacheEnd * 1000).toInt());
_state = _state.copyWith(buffer: buffer);
bufferController.add(buffer);
}
@@ -345,8 +344,8 @@ abstract class PlayerBase with PlayerStreamControllersMixin implements Player {
if (start != null && end != null) {
ranges.add(
BufferRange(
start: _toTimelinePosition(Duration(milliseconds: (start * 1000).toInt())),
end: _toTimelinePosition(Duration(milliseconds: (end * 1000).toInt())),
start: Duration(milliseconds: (start * 1000).toInt()),
end: Duration(milliseconds: (end * 1000).toInt()),
),
);
}
@@ -561,24 +560,13 @@ abstract class PlayerBase with PlayerStreamControllersMixin implements Player {
}
@protected
void configureTimeline({Duration offset = Duration.zero, Duration? duration}) {
_timelineOffset = offset;
void configureTimeline({Duration? duration}) {
_timelineDuration = duration;
}
@protected
Duration sourceSeekPosition(Duration timelinePosition) {
final sourcePosition = timelinePosition - _timelineOffset;
return sourcePosition.isNegative ? Duration.zero : sourcePosition;
}
Duration _toTimelinePosition(Duration sourcePosition) {
return sourcePosition + _timelineOffset;
}
@protected
void resetPlaybackProgress(Duration sourcePosition) {
final position = _toTimelinePosition(sourcePosition);
final position = sourcePosition;
_positionMs = position.inMilliseconds;
_state = _state.copyWith(
completed: false,