I have two .mov files which were made on Debian 9 by running the following:
$ ffmpeg -y -i "Norton 8mm Reel 04.mov" -ss 00:00:00 -to 00:20:00 -c copy -bufsize 2048K part1.mov $ ffmpeg -y -ss 00:21:12 -i "Norton 8mm Reel 04.mov" -c copy -bufsize 2048K part2.mov Viewed individually part1 and part2 are OK. When I tried to concatenate them, the output is missing part2. Here's what I did: $ ffmpeg -i "concat:part1.mov|part2.mov" -c copy out.mov ffmpeg version 3.2.10-1~deb9u1 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 6.3.0 (Debian 6.3.0-18) 20170516 configuration: --prefix=/usr --extra-version='1~deb9u1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared libavutil 55. 34.101 / 55. 34.101 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.101 / 57. 56.101 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libavresample 3. 1. 0 / 3. 1. 0 libswscale 4. 2.100 / 4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 / 54. 1.100 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x55b324506d80] Found duplicated MOOV Atom. Skipped it Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'concat:part1.mov|part2.mov': Metadata: encoder : Lavf57.56.101 major_brand : qt minor_version : 512 compatible_brands: qt Duration: 00:20:00.00, start: 0.000000, bitrate: 313526 kb/s Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(top coded first (swapped)), 1920x1080, 205645 kb/s, SAR 1:1 DAR 16:9, 29.97 fps, 29.97 tbr, 11988 tbn, 11988 tbc (default) Metadata: handler_name : DataHandler encoder : Apple ProRes 422 (HQ) timecode : 00:00:00;00 Stream #0:1(eng): Data: none (tmcd / 0x64636D74) Metadata: handler_name : DataHandler timecode : 00:00:00;00 File 'out.mov' already exists. Overwrite ? [y/N] y Output #0, mov, to 'out.mov': Metadata: compatible_brands: qt major_brand : qt minor_version : 512 encoder : Lavf57.56.101 Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(top coded first (swapped)), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 205645 kb/s, 29.97 fps, 29.97 tbr, 11988 tbn, 11988 tbc (default) Metadata: handler_name : DataHandler encoder : Apple ProRes 422 (HQ) timecode : 00:00:00;00 Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help frame=35964 fps= 57 q=-1.0 Lsize=30124305kB time=00:19:59.96 bitrate=205654.3kbits/s speed=1.91x video:30123882kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.001403% _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
