- pi@pPro ~/Desktop/samples/x
- > ffmpeg -f concat -i "$SRC" -i LAST_FRAME.mp4 -c copy "$DST"
- ffmpeg version 4.0.1 Copyright (c) 2000-2018 the FFmpeg developers
- built with Apple LLVM version 9.1.0 (clang-902.0.39.2)
- configuration: --prefix=/usr/local/Cellar/ffmpeg/4.0.1 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
- libavutil 56. 14.100 / 56. 14.100
- libavcodec 58. 18.100 / 58. 18.100
- libavformat 58. 12.100 / 58. 12.100
- libavdevice 58. 3.100 / 58. 3.100
- libavfilter 7. 16.100 / 7. 16.100
- libavresample 4. 0. 0 / 4. 0. 0
- libswscale 5. 1.100 / 5. 1.100
- libswresample 3. 1.100 / 3. 1.100
- libpostproc 55. 1.100 / 55. 1.100
- [concat @ 0x7fd78c000000] Line 4: unknown keyword '?ftypmp42'
- countdown.mp4: Invalid data found when processing input