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Code Issues Releases Activity

Improve performance by batching react updates

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This commit is contained in:
Mikael Finstad 2021-08-28 21:56:58 +07:00
parent 4b524d4e5c
commit bc62fa0d06
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GPG Key ID: 25AB36E3E81CBC26
1 changed files with 59 additions and 57 deletions
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116
src/App.jsx
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@ -816,44 +816,46 @@ const App = memo(() => {
video.currentTime = 0;
video.playbackRate = 1;
// setWorking();
setFileNameTitle();
setPreviewFilePath();
setUsingDummyVideo(false);
setPlaying(false);
setDuration();
cutSegmentsHistory.go(0);
setCutSegments(createInitialCutSegments()); // TODO this will cause two history items
setCutStartTimeManual();
setCutEndTimeManual();
setFileFormat();
setFileFormatData();
setDetectedFileFormat();
setRotation(360);
setCutProgress();
setStartTimeOffset(0);
setFilePath(''); // Setting video src="" prevents memory leak in chromium
setExternalStreamFiles([]);
setCustomTagsByFile({});
setCustomTagsByStreamId({});
setDisabledSegmentIds({});
setDetectedFps();
setMainStreams([]);
setMainVideoStream();
setMainAudioStream();
setCopyStreamIdsByFile({});
setStreamsSelectorShown(false);
setZoom(1);
setShortestFlag(false);
setZoomWindowStartTime(0);
setHideCanvasPreview(false);
setSubtitlesByStreamId({});
setActiveSubtitleStreamIndex();
batchedUpdates(() => {
// setWorking();
setFileNameTitle();
setPreviewFilePath();
setUsingDummyVideo(false);
setPlaying(false);
setDuration();
cutSegmentsHistory.go(0);
setCutSegments(createInitialCutSegments()); // TODO this will cause two history items
setCutStartTimeManual();
setCutEndTimeManual();
setFileFormat();
setFileFormatData();
setDetectedFileFormat();
setRotation(360);
setCutProgress();
setStartTimeOffset(0);
setFilePath(''); // Setting video src="" prevents memory leak in chromium
setExternalStreamFiles([]);
setCustomTagsByFile({});
setCustomTagsByStreamId({});
setDisabledSegmentIds({});
setDetectedFps();
setMainStreams([]);
setMainVideoStream();
setMainAudioStream();
setCopyStreamIdsByFile({});
setStreamsSelectorShown(false);
setZoom(1);
setShortestFlag(false);
setZoomWindowStartTime(0);
setHideCanvasPreview(false);
setSubtitlesByStreamId({});
setActiveSubtitleStreamIndex();
setExportConfirmVisible(false);
setExportConfirmVisible(false);
setThumbnails([]);
cancelRenderThumbnails();
setThumbnails([]);
cancelRenderThumbnails();
});
}, [cutSegmentsHistory, setCutSegments, cancelRenderThumbnails]);
@ -1319,20 +1321,12 @@ const App = memo(() => {
if (!ff) throw new Error('Unable to determine file format');
if (autoLoadTimecode) {
const timecode = getTimecodeFromStreams(streams);
if (timecode) setStartTimeOffset(timecode);
}
const timecode = autoLoadTimecode ? getTimecodeFromStreams(streams) : undefined;
const videoStream = streams.find(stream => stream.codec_type === 'video' && !isStreamThumbnail(stream));
const audioStream = streams.find(stream => stream.codec_type === 'audio');
setMainVideoStream(videoStream);
setMainAudioStream(audioStream);
if (videoStream) {
const streamFps = getStreamFps(videoStream);
if (streamFps != null) setDetectedFps(streamFps);
}
const detectedFpsNew = videoStream ? getStreamFps(videoStream) : undefined;
const shouldCopyStreamByDefault = (stream) => {
if (!defaultProcessedCodecTypes.includes(stream.codec_type)) return false;
@ -1342,15 +1336,12 @@ const App = memo(() => {
return true;
};
setMainStreams(streams);
setCopyStreamIdsForPath(fp, () => fromPairs(streams.map((stream) => [
const copyStreamIdsForPathNew = fromPairs(streams.map((stream) => [
stream.index, shouldCopyStreamByDefault(stream),
])));
]));
setFileNameTitle(fp);
setFileFormat(outFormatLocked || ff);
setDetectedFileFormat(ff);
setFileFormatData(fd);
if (timecode) setStartTimeOffset(timecode);
if (detectedFpsNew != null) setDetectedFps(detectedFpsNew);
if (isAudioDefinitelyNotSupported(streams)) {
toast.fire({ icon: 'info', text: i18n.t('The audio track is not supported. You can convert to a supported format from the menu') });
@ -1391,10 +1382,21 @@ const App = memo(() => {
if (!validDuration) toast.fire({ icon: 'warning', timer: 10000, text: i18n.t('This file does not have a valid duration. This may cause issues. You can try to fix the file\'s duration from the File menu') });
// This needs to be last, because it triggers <video> to load the video
// If not, onVideoError might be triggered before setWorking() has been cleared.
// https://github.com/mifi/lossless-cut/issues/515
setFilePath(fp);
batchedUpdates(() => {
setMainStreams(streams);
setMainVideoStream(videoStream);
setMainAudioStream(audioStream);
setCopyStreamIdsForPath(fp, () => copyStreamIdsForPathNew);
setFileNameTitle(fp);
setFileFormat(outFormatLocked || ff);
setDetectedFileFormat(ff);
setFileFormatData(fd);
// This needs to be last, because it triggers <video> to load the video
// If not, onVideoError might be triggered before setWorking() has been cleared.
// https://github.com/mifi/lossless-cut/issues/515
setFilePath(fp);
});
} catch (err) {
resetState();
throw err;