I have a file that when I run ffpmeg -i on it will display a time of 351909:41:29.64.
I know I didn't record for 40 + years. Any suggestions on what would be the best way to fix this?
I appreciate any and all answers!
Regards,
1 Answer
There is an old related bug report, marked as fixed. about this: Incorrect duration displayed in webm file. This seems to be related to the fact that a webm file doesn't contain an index of all frames, but only keyframes.
First option is to rewrap the WebM
ffmpeg -i current.webm -c copy -fflags +genpts new.webm
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I don't know if it's just an ffmpeg thing though. I see it when watching the video in the browser and VLC. I think it may actually be a file encoding issue.– RonJan 16, 2016 at 19:57
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As Metabolix said, rewrap it in a new WebM, except add
-fflags +genptsto their command.– GyanJan 16, 2016 at 19:58 -
Thanks for the help! Kind of new to FFMPEG. So the command would be ffmpeg -fflags +genpts -i old.webm -c:a copy -c:v copy new.webm– RonJan 16, 2016 at 20:00
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Updated ffmpeg, ran the above command and then used ffprobe and got: Input #0, matroska,webm, from 'new.webm': Metadata: encoder : Lavf56.36.100 Duration: 351909:41:29.65, start: 0.000000, bitrate: N/A Stream #0:0(eng): Video: vp8, yuv420p, 640x360, SAR 1:1 DAR 16:9, 1k fps, 1k tbr, 1k tbn, 1k tbc (default) Metadata: title : Video Stream #0:1(eng): Audio: vorbis, 48000 Hz, stereo, fltp (default) Metadata: title : Audio– RonJan 16, 2016 at 21:14
ffmpeg -i old.webm -c:a copy -c:v copy new.webmor the like?ffprobefor the file.