Hi,
Does ffmpeg can only embed mov_text subtitle format for mp4?
Srt or ass doesn't work.
ffmpeg -i vid.mp4 -f ass -i vid.ass -c:v copy -c:a copy -c:s ass
subtitle.mp4
ffmpeg -i vid.mp4 -f srt -i vid.srt -c:v copy -c:a copy -c:s srt
subtitle.mp4
Both commands throw an error:
Could not write header for output file #0 (incorrect codec parameters
?): Invalid argument
However, this work.
ffmpeg -i vid.mp4 -f ass -i vid.ass -c:v copy -c:a copy -c:s mov_text
subtitle.mp4
I use ffmpeg version N-71455-gfbdaebb.
Thanks,
JL
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