Hello. I have some questions about using mp4 demuxer.
I try to demux mp4 file with duration about 20h using libav. I have compiled and tested ffmpeg example doc/examples/demuxing_decoding.c. But after a while I get an error "Failed to add index entry" and mp4 demuxer stops working. This doesn't reproduce with shorter file (less than 15h). Also I try to demux and mux this file with ffmpeg.exe as follows: ffmpeg.exe -i input.mp4 -acodec copy -vcodec copy out.mp4 And I have no any errors messages in this case. What is the difference between demuxing_decoding example and ffmpeg.exe demuxing approach? Is there a specific use of libav mp4 demuxer with too long or fragmented mp4 files? Any ideas about reducing/ignoring indexes? Thanks. Best regards, Alexander
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