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video: keep HW acceleration for short but heavy videos

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This commit is contained in:
Thibault Deckers 2021-07-14 09:13:14 +09:00
parent 2f34c3c48d
commit db8f5c506c
1 changed files with 16 additions and 1 deletions
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17
lib/widgets/viewer/video/fijkplayer.dart
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@ -52,6 +52,7 @@ class IjkPlayerAvesVideoController extends AvesVideoController {
static const initialPlayDelay = Duration(milliseconds: 100);
static const gifLikeVideoDurationThreshold = Duration(seconds: 10);
static const gifLikeBitRateThreshold = 2 << 18; // 512kB/s (4Mb/s)
IjkPlayerAvesVideoController(AvesEntry entry) : super(entry) {
if (!_staticInitialized) {
@ -120,7 +121,7 @@ class IjkPlayerAvesVideoController extends AvesVideoController {
// playing with HW acceleration seems to skip the last frames of some videos
// so HW acceleration is always disabled for GIF-like videos where the last frames may be significant
final hwAccelerationEnabled = settings.enableVideoHardwareAcceleration && (entry.durationMillis ?? 0) > gifLikeVideoDurationThreshold.inMilliseconds;
final hwAccelerationEnabled = settings.enableVideoHardwareAcceleration && !_isGifLike();
// TODO TLAD [video] flaky: HW codecs sometimes fail when seek-starting some videos, e.g. MP2TS/h264(HDPR)
if (hwAccelerationEnabled) {
@ -187,6 +188,20 @@ class IjkPlayerAvesVideoController extends AvesVideoController {
_instance.applyOptions(options);
}
bool _isGifLike() {
// short
final durationSecs = (entry.durationMillis ?? 0) ~/ 1000;
if (durationSecs == 0) return false;
if (durationSecs > gifLikeVideoDurationThreshold.inSeconds) return false;
// light
final sizeBytes = entry.sizeBytes;
if (sizeBytes == null) return false;
if (sizeBytes / durationSecs > gifLikeBitRateThreshold) return false;
return true;
}
void _fetchStreams() async {
final mediaInfo = await _instance.getInfo();
if (!mediaInfo.containsKey(Keys.streams)) return;