Video:4860kB audio:78kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.128599% MVI_6105.mp4 -c copy short5.mp4įfmpeg version git-3206ea4 Copyright (c) 2000-2017 the FFmpeg developers # Here we are with copious output, and some ffprobe -ing as well:įfprobe version git-3206ea4 Copyright (c) 2007-2017 the FFmpeg developersīuilt with Apple LLVM version 7.0.2 (clang-700.1.81)Ĭonfiguration: -prefix=/usr/local/Cellar/ffmpeg/HEAD-3206ea4 -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

$ ffmpeg -i concat:'short5.mp4|short5dupe.mp4' -c copy 2x5c2.mp4 # also also fails

$ ffmpeg -i concat:'short5.mp4|short5.mp4' -c copy 2x5c.mp4 # also fails $ ffmpeg -i concat:'short5.mp4|short5.mp4' 2x5.mp4 # fails $ ffmpeg -t 5 MVI_6105.mp4 -c copy short5.mp4 Summary of the bug: concat protocol can't concat the same mp4 file?Īttempting to combine a 5-second MP4 file with a copy of itself fails, and produces a 5-second MP4 output instead of a 10-second one.

Ffmpeg moov atom not found .3gp file