I've set up a video conversion service and I'm seeing a fair amount of 3GP videos without moov atoms. They apparently have their video data in the mdat atom. Is there a way to get ffmpeg to handle this? Right now it just aborts saying "moov atom not found".
Depending on the way the media is encoded, you may have success if you first do a strict copy to essentially re-mux the file: ffmpeg -i infile.3gp -vcodec copy -acodec copy outfile.3gp Then take outfile.3gp and encode it as you were trying to originally. Cheers, David On Wed, May 25, 2011 at 1:12 PM, Jon Drukman <jsd@cluttered.com> wrote:
I've set up a video conversion service and I'm seeing a fair amount of 3GP videos without moov atoms. They apparently have their video data in the mdat atom. Is there a way to get ffmpeg to handle this? Right now it just aborts saying "moov atom not found".
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David Overcash <funnylookinhat <at> gmail.com> writes:
Depending on the way the media is encoded, you may have success if you first do a strict copy to essentially re-mux the file:
ffmpeg -i infile.3gp -vcodec copy -acodec copy outfile.3gp
Then take outfile.3gp and encode it as you were trying to originally.
That just gives me the same 'moov atom not found' error, so I guess I'm out of luck there. Thanks.
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David Overcash -
Jon Drukman