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Revolution of Open-source and film making towards open film making
6 octobre 2011, par
Mis à jour : Juillet 2013
Langue : English
Type : Texte
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Concatenating multiple mp4 files [duplicate]
18 octobre 2019, par Mr MedusaThis question already has an answer here :
I’m currently trying to join multiple mp4 video files into one file, and I found the ffmpeg library and looked at a lot of ways on how I should use it.
Currently I’m usingffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4
This should work, but for some reason it doesn’t. My terminal is filled with this
(Can’t give anymore output than this)
[mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541175, current: 5482875; changing to 24541176. This may result in incorrect timestamps in the output file.
[mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541176, current: 5483397; changing to 24541177. This may result in incorrect timestamps in the output file.
[mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541177, current: 5483904; changing to 24541178. This may result in incorrect timestamps in the output file.
[mp4 @ 000002ce260bc180] Non-monotonous DTS in output stream 0:0; previous: 24541178, current: 5484426; changing to 24541179. This may result in incorrect timestamps in the output file.
frame=19167 fps=4682 q=-1.0 Lsize= 249689kB time=00:26:37.73 bitrate=1280.2kbits/s speed= 390x
video:243606kB audio:5584kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.200045%Mylist.txt
file 'ab.mp4'
file 'bb.mp4'
file 'cc.mp4'
file 'dd.mp4'
file 'ee.mp4'
file 'ff.mp4'
file 'gg.mp4'
file 'hh.mp4'
file 'jj.mp4'
file 'kk.mp4'Info about each input :
ffmpeg version git-2019-10-13-4f4334b Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 9.2.1 (GCC) 20191010
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
libavutil 56. 35.100 / 56. 35.100
libavcodec 58. 59.102 / 58. 59.102
libavformat 58. 33.100 / 58. 33.100
libavdevice 58. 9.100 / 58. 9.100
libavfilter 7. 62.100 / 7. 62.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'ab.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:26.59, start: 0.000000, bitrate: 4610 kb/s
Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1280x720, 4466 kb/s, 60.04 fps, 60 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'bb.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:40.77, start: 0.000000, bitrate: 3384 kb/s
Stream #1:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 3251 kb/s, 29.99 fps, 29.97 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'cc.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:06.29, start: 0.000000, bitrate: 8029 kb/s
Stream #2:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1600x900, 7896 kb/s, 60.16 fps, 60 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #2:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from 'dd.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:50.90, start: 0.000000, bitrate: 7851 kb/s
Stream #3:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc, unknown/bt709/unknown), 1920x1080, 7708 kb/s, 60.02 fps, 60 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #3:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #4, mov,mp4,m4a,3gp,3g2,mj2, from 'ee.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:27.10, start: 0.000000, bitrate: 6056 kb/s
Stream #4:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 5912 kb/s, 60.03 fps, 60 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #4:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #5, mov,mp4,m4a,3gp,3g2,mj2, from 'ff.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:31.00, start: 0.000000, bitrate: 6290 kb/s
Stream #5:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 6150 kb/s, 60.03 fps, 60 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #5:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #6, mov,mp4,m4a,3gp,3g2,mj2, from 'gg.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:01:00.00, start: 0.000000, bitrate: 4531 kb/s
Stream #6:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1280x720, 4387 kb/s, 60.02 fps, 60 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #6:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #7, mov,mp4,m4a,3gp,3g2,mj2, from 'hh.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.20.100
Duration: 00:00:30.00, start: 0.000000, bitrate: 8186 kb/s
Stream #7:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1920x1080, 8046 kb/s, 60 fps, 60 tbr, 90k tbn, 120 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #7:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #8, mov,mp4,m4a,3gp,3g2,mj2, from 'jj.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:49.81, start: 0.000000, bitrate: 5579 kb/s
Stream #8:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 1600x900, 5437 kb/s, 60.02 fps, 60 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #8:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
Input #9, mov,mp4,m4a,3gp,3g2,mj2, from 'kk.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.83.100
Duration: 00:00:34.69, start: 0.000000, bitrate: 5223 kb/s
Stream #9:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 5088 kb/s, 30.03 fps, 30 tbr, 15360 tbn, 2k tbc (default)
Metadata:
handler_name : VideoHandler
Stream #9:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
At least one output file must be specifiedI’ve read most of the posts on here about ffmpeg causing this issue for other people, but none of the fixes that are explained have worked for me.
The video output I get seems fine for the first video, but then once it’s supposed to transition into the other videos it just "freezes" or sets the speed to something like 100x. Output video also ends up being 28 minutes long instead of 2.8 minutes.
Anyone able to help me ? -
Date and segment comparison feature
31 octobre 2019, par Matomo Core Team — Analytics Tips, Development