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add video_replay sample #1593

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add video_replay sample #1593

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@fippo fippo commented Feb 27, 2023

which allows replaying IVF files generated by video_replay in the browser. This is useful for debugging issues like
https://bugs.chromium.org/p/chromium/issues/detail?id=1418596
where the native video_replay is using software decoder which do not show the issue.

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const nextFrame = await ivf.readFrame();
if (nextFrame) {
decoder.decode(new EncodedVideoChunk({
timestamp: Number(nextFrame.timestamp - firstFrame.timestamp) * 1000,
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I am not sure this is correct or it takes the headers timescale into account. But I don't have a great sample file to check at hand.

which allows replaying IVF files generated by video_replay
in the browser. This is useful for debugging issues like
  https://bugs.chromium.org/p/chromium/issues/detail?id=1418596
where the native video_replay is using software decoder which
do not show the issue.
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