I use the following command to play multiple videos with mpv and compare them side by side:
When playing 2 copies of the same file they play in sync as expected and both audio and video remain syncronized during seeking.mpv "D:\input.ts" --external-file="D:\output.remuxed.ts" --lavfi-complex="[vid1]scale=600x400[v1];[vid2]scale=600x400[v2];[v1][v2]hstack=inputs=2[vo];[aid1][aid2]amix=inputs=2[ao]"
If I remux one of the files:
and play them together they start playing in sync, but when seeking the audio tracks run out of sync with 1-2 seconds delay between them (video streams are fine). I find it strange because all the streams preserve their timestamps, start times etc. during the remuxing process.ffmpeg.exe -i "D:\input.ts" -c copy "D:\output.remuxed.ts"
Is there something wrong with my remuxed file or it is just some issue with mpv player or the command I'm using ?
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Last edited by osmium; 25th Feb 2020 at 13:38.