c++ - ffmpeg writes invalid fps to the mp4 container (and in avi it is true). What is the reason? - Stack Overflow
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ffmpeg - Could not find codec parameters for stream 0 (Video: hevc, none): unspecified size - Stack Overflow
ffmpeg - Wrong video file header causes video players to fail. Any suggestions for recovering? - Super User
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Could not find tag for codec none in stream #0, codec not currently supported in container - incorrect codec parameters ? · Issue #48 · hadronepoch/PHP-FFmpeg-video-streaming · GitHub
Keep container as .m4v but re-order audio tracks - VideoHelp Forum
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