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Autres articles (23)
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Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
Organiser par catégorie
17 mai 2013, parDans MédiaSPIP, une rubrique a 2 noms : catégorie et rubrique.
Les différents documents stockés dans MédiaSPIP peuvent être rangés dans différentes catégories. On peut créer une catégorie en cliquant sur "publier une catégorie" dans le menu publier en haut à droite ( après authentification ). Une catégorie peut être rangée dans une autre catégorie aussi ce qui fait qu’on peut construire une arborescence de catégories.
Lors de la publication prochaine d’un document, la nouvelle catégorie créée sera proposée (...)
Sur d’autres sites (4255)
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Pausing ffmpeg stream
22 novembre 2020, par nmnirI'm running a client that reads video from a remote web cam :


ffplay rtp://127.0.0.1:1234


Sometimes the web cam stops and after a while it get back on. I need to be able to resume the stream even if the web cam was off for few minutes. Someone already asked that question on ffmpeg mailing list but didn't get any answer.


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FFMPEG-PHP Error "Sample rate index in program config element does not match the sample rate index configured by the container."
21 novembre 2020, par JonathanAm using FFMPEG installed on a Windows server. I have a PHP webpage that uploads and trims videos using FFMPEG, when I upload MP4's with AAC audio, especially videos over 100mb, I get the following errors in the log output below.


I was wondering if anyone could point me in the right direction to getting this resolved.


Log output of the error below :


<pre>object(FFMpeg\Exception\RuntimeException)#35 (7) {
 ["message":protected]=>
 string(15) "Encoding failed"
 ["string":"Exception":private]=>
 string(0) ""
 ["code":protected]=>
 int(0)
 ["file":protected]=>
 string(108) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\php-ffmpeg\php-ffmpeg\src\FFMpeg\Media\AbstractVideo.php"
 ["line":protected]=>
 int(106)
 ["trace":"Exception":private]=>
 array(1) {
 [0]=>
 array(5) {
 ["file"]=>
 string(45) "C:\inetpub\wwwroot\dev\ffmpeg-lib\process.php"
 ["line"]=>
 int(35)
 ["function"]=>
 string(4) "save"
 ["class"]=>
 string(26) "FFMpeg\Media\AbstractVideo"
 ["type"]=>
 string(2) "->"
 }
 }
 ["previous":"Exception":private]=>
 object(Alchemy\BinaryDriver\Exception\ExecutionFailureException)#43 (9) {
 ["command":protected]=>
 string(393) "C:\ffmpeg\bin\ffmpeg.exe -y -ss 00:00:17.00 -i "temp/temp_20201110-100656_1080p-220mb.mp4" -t 00:00:52.00 -threads 12 -vcodec libx264 -acodec aac -b:v 1000k -refs 6 -coder 1 -sc_threshold 40 -flags +loop -me_range 16 -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -trellis 1 -b:a 128k -pass 1 -passlogfile "W:/TempIIS\ffmpeg-passes5fabd8bdf3612uvd6b/pass-5fabd8bdf378b" "temp/20201111-122741.mp4""
 ["errorOutput":protected]=>
 string(830102) "ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.2.1 (GCC) 20200805
 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-libsrt --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-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 58.100 / 56. 58.100
 libavcodec 58.101.101 / 58.101.101
 libavformat 58. 51.101 / 58. 51.101
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp/temp_20201110-100656_1080p-220mb.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 19529854
 compatible_brands: mp42isom
 creation_time : 2016-04-11T06:32:53.000000Z
 Duration: 00:02:25.98, start: 0.000000, bitrate: 13772 kb/s
 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Sound Media Handler
 Stream #0:1(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 13639 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Video Media Handler
 encoder : AVC Coding
Stream mapping:
 Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:0 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[h264 @ 000001fc5a3dac80] Invalid NAL unit size (-360624822 > 108076).
[h264 @ 000001fc5a3dac80] Error splitting the input into NAL units.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] channel element 2.15 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[h264 @ 000001fc5a3be480] Invalid NAL unit size (1926587749 > 39711).
[h264 @ 000001fc5a3be480] Error splitting the input into NAL units.
[h264 @ 000001fc5a3e4540] Invalid NAL unit size (-1483385910 > 21666).
[h264 @ 000001fc5a3e4540] Error splitting the input into NAL units.
[h264 @ 000001fc5ad06500] Invalid NAL unit size (1060193647 > 41388).
[h264 @ 000001fc5ad06500] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad22e80] Invalid NAL unit size (1499431567 > 26513).
[h264 @ 000001fc5ad22e80] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3dac80] Invalid NAL unit size (-23485766 > 46738).
[h264 @ 000001fc5a3dac80] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3be480] Invalid NAL unit size (2023411154 > 21613).
[h264 @ 000001fc5a3be480] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3e4540] Invalid NAL unit size (519125029 > 48521).
[h264 @ 000001fc5a3e4540] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad06500] Invalid NAL unit size (-2099015076 > 25631).
[h264 @ 000001fc5ad06500] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad22e80] Invalid NAL unit size (-1081182476 > 46590).
[h264 @ 000001fc5ad22e80] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 2.0 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Multiple frames in a packet.
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[h264 @ 000001fc5a3dac80] Invalid NAL unit size (-2080403149 > 27914).
[h264 @ 000001fc5a3dac80] Error splitting the input into NAL units.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] channel element 3.9 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Reserved bit set.
[aac @ 000001fc5a9ce8c0] Prediction is not allowed in AAC-LC.
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 2.6 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Number of scalefactor bands in group (52) exceeds limit (49).
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 3.10 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 2.13 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 3.8 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Reserved bit set.
[aac @ 000001fc5a9ce8c0] Prediction is not allowed in AAC-LC.
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 3.9 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Number of bands (50) exceeds limit (49).
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] Reserved bit set.
[aac @ 000001fc5a9ce8c0] Number of bands (17) exceeds limit (13).
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3be480] Invalid NAL unit size (-296706614 > 48346).
[h264 @ 000001fc5a3be480] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3e4540] Invalid NAL unit size (-1419758286 > 23497).
[h264 @ 000001fc5a3e4540] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad06500] Invalid NAL unit size (86578229 > 53255).
[h264 @ 000001fc5ad06500] Error splitting the input into NAL units.
</pre>

-
FFMPEG recode clip1 to match clip2 for concat demux
21 novembre 2020, par Gert GottschalkI want to concat two video clips using ffmpeg concat. To use concat demuxer both should have same codec settings. clip2 is much shorter so I want to recode it to match clip1. Initially clip2 had tbn not matching and I adjusted that with '-video_track_timescale 50000'. Still the concat video after the cut into clip2 is garbled (audio seems OK)


This is what ffprobe tells for clip1 :


ffprobe version N-80251-g0c7fa15 Copyright (c) 2007-2016 the FFmpeg developers
 built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
 configuration: --prefix=/home/tools/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/tools/ffmpeg_build/include --extra-ldflags=-L/home/tools/ffmpeg_build/lib --bindir=/home/tools/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree
 libavutil 55. 24.100 / 55. 24.100
 libavcodec 57. 45.100 / 57. 45.100
 libavformat 57. 37.101 / 57. 37.101
 libavdevice 57. 0.101 / 57. 0.101
 libavfilter 6. 46.101 / 6. 46.101
 libswscale 4. 1.100 / 4. 1.100
 libswresample 2. 0.101 / 2. 0.101
 libpostproc 54. 0.100 / 54. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'clip1.mp4':
 Metadata:
 major_brand : isom
 minor_version : 1
 compatible_brands: isomavc1
 creation_time : 2020-11-09 01:16:52
 Duration: 01:23:09.33, start: 0.000000, bitrate: 2279 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 2080 kb/s, 50 fps, 50 tbr, 50k tbn, 100 tbc (default)
 Metadata:
 creation_time : 2020-11-09 01:16:52
 handler_name : 11.07_21-45_ard_90_TVOON_DE.mpg.HD_video.h264@GPAC0.5.2-DEV-revVersion: 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 196 kb/s (default)
 Metadata:
 creation_time : 2020-11-09 01:17:45
 handler_name : 11.07_21-45_ard_90_TVOON_DE.mpg.HD.aac@GPAC0.5.2-DEV-revVersion: 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1


From clip2


ffprobe version N-80251-g0c7fa15 Copyright (c) 2007-2016 the FFmpeg developers
 built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
 configuration: --prefix=/home/tools/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/tools/ffmpeg_build/include --extra-ldflags=-L/home/tools/ffmpeg_build/lib --bindir=/home/tools/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree
 libavutil 55. 24.100 / 55. 24.100
 libavcodec 57. 45.100 / 57. 45.100
 libavformat 57. 37.101 / 57. 37.101
 libavdevice 57. 0.101 / 57. 0.101
 libavfilter 6. 46.101 / 6. 46.101
 libswscale 4. 1.100 / 4. 1.100
 libswresample 2. 0.101 / 2. 0.101
 libpostproc 54. 0.100 / 54. 0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'clip2.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf57.37.101
 comment : 
 Duration: 00:18:42.02, start: 0.000000, bitrate: 1693 kb/s
 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 1553 kb/s, 50 fps, 50 tbr, 50k tbn, 100 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 130 kb/s (default)
 Metadata:
 handler_name : SoundHandler


Then for concat :


/home/tools/bin/ffmpeg -f concat -i list.files -y clip12.mp4


The only gap is with
clip1 : 2080 kb/s
clip2 : 1553 kb/s


Is that significant ?


If yes, how to recode clip2 to match and result in concat clip12 being clean ?


EDIT (Per feedback from llogan) :


Probing input clips with latest ffprobe.


Clip1 :


ffprobe version N-54874-ga1553b0cfb-static https://johnvansickle.com/ffmpeg/ Copyright (c) 2007-2020 the FFmpeg developers
 built with gcc 8 (Debian 8.3.0-6)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
 libavutil 56. 60.100 / 56. 60.100
 libavcodec 58.112.101 / 58.112.101
 libavformat 58. 64.100 / 58. 64.100
 libavdevice 58. 11.102 / 58. 11.102
 libavfilter 7. 88.102 / 7. 88.102
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'clip1.mp4':
 Metadata:
 major_brand : isom
 minor_version : 1
 compatible_brands: isomavc1
 creation_time : 2020-11-09T01:16:52.000000Z
 Duration: 01:23:09.33, start: 0.000000, bitrate: 2279 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 2080 kb/s, 50 fps, 50 tbr, 50k tbn, 100 tbc (default)
 Metadata:
 creation_time : 2020-11-09T01:16:52.000000Z
 handler_name : 11.07_21-45_ard_90_TVOON_DE.mpg.HD_video.h264@GPAC0.5.2-DEV-revVersion: 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 196 kb/s (default)
 Metadata:
 creation_time : 2020-11-09T01:17:45.000000Z
 handler_name : 11.07_21-45_ard_90_TVOON_DE.mpg.HD.aac@GPAC0.5.2-DEV-revVersion: 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1


Command & log to change clip2 :


/usr/share/ffmpeg.4.3.1//ffmpeg-git-20201104-amd64-static/ffmpeg -i clip2.avi -ss 00:12:55 -t 00:05:48 -c:v libx264 -profile:v main -video_track_timescale 50k -c:a copy -y clip2.mp4 2> ffmpeg_clip2.log
ffmpeg version N-54874-ga1553b0cfb-static https://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 8 (Debian 8.3.0-6)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
 libavutil 56. 60.100 / 56. 60.100
 libavcodec 58.112.101 / 58.112.101
 libavformat 58. 64.100 / 58. 64.100
 libavdevice 58. 11.102 / 58. 11.102
 libavfilter 7. 88.102 / 7. 88.102
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, avi, from 'clip2.avi':
 Metadata:
 comment : 
 encoder : Lavf58.42.100
 encoded_by : www.onlinetvrecorder.com
 Duration: 00:35:48.90, start: 0.000000, bitrate: 2243 kb/s
 Stream #0:0: Video: h264 (Main) (H264 / 0x34363248), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 2034 kb/s, 50 fps, 50 tbr, 50 tbn, 100 tbc
 Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp, 192 kb/s
Stream mapping:
 Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 0 fps=0.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbits/s speed=N/A 
...
frame= 0 fps=0.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbits/s speed=N/A
[libx264 @ 0x71fb740] using SAR=1/1
[libx264 @ 0x71fb740] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3
[libx264 @ 0x71fb740] profile Main, level 3.2, 4:2:0, 8-bit
[libx264 @ 0x71fb740] 264 - core 161 r3027 4121277 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'clip2.mp4':
 Metadata:
 comment : 
 encoded_by : www.onlinetvrecorder.com
 encoder : Lavf58.64.100
 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 50 fps, 50k tbn, 50 tbc
 Metadata:
 encoder : Lavc58.112.101 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
 Stream #0:1: Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s
frame= 15 fps=0.4 q=0.0 size= 0kB time=00:00:00.31 bitrate= 1.2kbits/s speed=0.00806x 
...
frame=17400 fps= 73 q=-1.0 Lsize= 62382kB time=00:05:47.97 bitrate=1468.6kbits/s speed=1.47x 
video:53846kB audio:8156kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.611439%
[libx264 @ 0x71fb740] frame I:157 Avg QP:18.21 size: 42082
[libx264 @ 0x71fb740] frame P:5607 Avg QP:22.21 size: 6677
[libx264 @ 0x71fb740] frame B:11636 Avg QP:23.93 size: 953
[libx264 @ 0x71fb740] consecutive B-frames: 8.3% 6.0% 5.0% 80.8%
[libx264 @ 0x71fb740] mb I I16..4: 47.5% 0.0% 52.5%
[libx264 @ 0x71fb740] mb P I16..4: 5.7% 0.0% 1.1% P16..4: 35.4% 6.2% 3.0% 0.0% 0.0% skip:48.4%
[libx264 @ 0x71fb740] mb B I16..4: 0.2% 0.0% 0.0% B16..8: 21.0% 0.4% 0.0% direct: 0.5% skip:77.9% L0:45.1% L1:53.8% BI: 1.2%
[libx264 @ 0x71fb740] coded y,uvDC,uvAC intra: 24.6% 38.3% 6.0% inter: 2.8% 4.7% 0.0%
[libx264 @ 0x71fb740] i16 v,h,dc,p: 43% 24% 15% 18%
[libx264 @ 0x71fb740] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 20% 19% 6% 7% 6% 6% 6% 4%
[libx264 @ 0x71fb740] i8c dc,h,v,p: 57% 20% 20% 4%
[libx264 @ 0x71fb740] Weighted P-Frames: Y:0.5% UV:0.4%
[libx264 @ 0x71fb740] ref P L0: 70.3% 12.1% 14.0% 3.6% 0.0%
[libx264 @ 0x71fb740] ref B L0: 92.9% 5.9% 1.2%
[libx264 @ 0x71fb740] ref B L1: 97.5% 2.5%
[libx264 @ 0x71fb740] kb/s:1267.54


I'm observing mismatch in what I assume is the audio channel.


Clip1 :


/usr/share/ffmpeg.4.3.1//ffmpeg-git-20201104-amd64-static/ffprobe clip1.mp4
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 2080 kb/s, 50 fps, 50 tbr, 50k tbn, 100 tbc (default)
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 196 kb/s (default)


Clip2 :


/usr/share/ffmpeg.4.3.1//ffmpeg-git-20201104-amd64-static/ffprobe clip2.mp4 
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 1267 kb/s, 50 fps, 50 tbr, 50k tbn, 100 tbc (default)
 Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s (default)


Probably need to match audio channel. I noticed that the concat too a long time. I was expecting the concat to just do copying and not re-rendering.


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