This may result in incorrect timestamps in the output file. Non-monotonous DTS in output stream 0:1 previous: 484352, current: 445939 changing to 484353.
Auto-inserting h264_mp4toannexb bitstream filter.9x Auto-inserting h264_mp4toannexb bitstream filterĭuration: N/A, start: 0.000000, bitrate: 38021 kb/s
Ffmpeg concat videos with different frame ratew mp4#
Handler_name : #Mainconcept MP4 Sound Media HandlerįFMpeg Command : ffmpeg -f concat -safe 0 -i concat.txt -c copy result.mp4Ĭommand result : ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers Handler_name : ?Mainconcept Video Media Handler Video 2 : ffprobe version 3.2.2 Copyright (c) 2007-2016 the FFmpeg developers Video 1 : ffprobe version 3.2.2 Copyright (c) 2007-2016 the FFmpeg developersīuilt with Apple LLVM version 8.0.0 (clang-800.0.42.1)Ĭonfiguration: -prefix=/usr/local/Cellar/ffmpeg/3.2.2 -enable-shared -enable-pthreads -enable-gpl -enable-version3 -enable-hardcoded-tables -enable-avresample -cc=clang -host-cflags= -host-ldflags= -enable-libmp3lame -enable-libx264 -enable-libxvid -enable-opencl -disable-lzma -enable-vda What would be the best way to have a minimum concat time ? Do I really need to use the concat filter or can I change the time base of "video1.mp4" if it's really the problem ? It only happens when trying to concat "video2.mp4".Īlso, I have a lot of warning/errors like this, probably when ffmpeg starts concatenating the 2nd video : Non-monotonous DTS in output stream 0:0 previous: 906906, current: 302359 changing to 906907. They are both mp4 videos, so I think it's because of the time base ? I can concat other videos with the concat demuxer and it works fine (even with different resolutions/bitrate). By does not work, I mean playing the concatenated video on a player will work until the second video part starts (it just cannot read the video anymore). I'm trying to concat videos with the concat demuxer, but it does not work when using one video ("video2.mp4" below).
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