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Richard Stallman et le logiciel libre
19 octobre 2011, par
Mis à jour : Mai 2013
Langue : français
Type : Texte
Autres articles (56)
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Participer à sa documentation
10 avril 2011La documentation est un des travaux les plus importants et les plus contraignants lors de la réalisation d’un outil technique.
Tout apport extérieur à ce sujet est primordial : la critique de l’existant ; la participation à la rédaction d’articles orientés : utilisateur (administrateur de MediaSPIP ou simplement producteur de contenu) ; développeur ; la création de screencasts d’explication ; la traduction de la documentation dans une nouvelle langue ;
Pour ce faire, vous pouvez vous inscrire sur (...) -
Encodage et transformation en formats lisibles sur Internet
10 avril 2011MediaSPIP transforme et ré-encode les documents mis en ligne afin de les rendre lisibles sur Internet et automatiquement utilisables sans intervention du créateur de contenu.
Les vidéos sont automatiquement encodées dans les formats supportés par HTML5 : MP4, Ogv et WebM. La version "MP4" est également utilisée pour le lecteur flash de secours nécessaire aux anciens navigateurs.
Les documents audios sont également ré-encodés dans les deux formats utilisables par HTML5 :MP3 et Ogg. La version "MP3" (...) -
Supporting all media types
13 avril 2011, parUnlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)
Sur d’autres sites (9441)
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Adding cover art to video wtih chapters and chapters getting deleted
31 mai 2021, par throwaway513I am trying to add a cover art to a video with chapters.


I added 2 chapters to a video using :


ffmpeg -i 1.mp4 -i Chapters.txt -map_metadata 1 -c copy 2.mp4


but when I try to add cover art it deletes the first chapter and only keeps the second ?


ffmpeg -i 2.mp4 -i image.jpg -map 1 -map 0 -c copy -disposition:0 attached_pic 3.mp4


I also tried mp3tag but the picture doesn't show on the file after adding chapters through ffmpeg. Chapters work fine on 2.mp4 but on 3.mp4 it deletes the first chapter. It also deletes the chapter when I do
ffmpeg -i 2.mp4 -c copy any.mp4


Chapter.txt


;FFMETADATA1
major_brand=isom
minor_version=512
compatible_brands=isomiso2avc1mp41
encoder=Lavf58.12.100

[CHAPTER]
TIMEBASE=1/1000
START=1152352
END=
title=

[CHAPTER]
TIMEBASE=1/1000
START=1378578
END=
title=




C:\Users\Dark\Desktop\ffmpeg\bin>ffmpeg -i 1.mp4 -i Chapters.txt -map_metadata 1 -c copy 2.mp4
ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers
 built with gcc 7.3.1 (GCC) 20180722
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --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-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
 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
 libswscale 5. 1.100 / 5. 1.100
 libswresample 3. 1.100 / 3. 1.100
 libpostproc 55. 1.100 / 55. 1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001a7335c99c0] stream 0, timescale not set
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 creation_time : 1970-01-01T00:00:00.000000Z
 encoder : Lavf52.31.0
 Duration: 00:27:10.00, start: 0.000000, bitrate: 3338 kb/s
 Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1280x720, 3120 kb/s, 29.97 fps, 29.97 tbr, 770589.00 tbn, 59.94 tbc (default)
 Metadata:
 creation_time : 1970-01-01T00:00:00.000000Z
 handler_name : VideoHandler
 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 103 kb/s (default)
 Metadata:
 creation_time : 1970-01-01T00:00:00.000000Z
 handler_name : SoundHandler
 Stream #0:2: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], 90k tbr, 90k tbn, 90k tbc
Input #1, ffmetadata, from 'Chapters.txt':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.12.100
 Duration: 504900:42:04.42, start: 0.000000, bitrate: N/A
 Chapter #1:0: start 1152.352000, end 1817642524.416000
 Metadata:
 title :
 Chapter #1:1: start 1378.578000, end 1817642524.416000
 Metadata:
 title :
[mp4 @ 000001a733efdfc0] Application provided duration: 1817641372064 is invalid
[mp4 @ 000001a733efdfc0] Application provided duration: 1817641145838 is invalid
Output #0, mp4, to '2.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.12.100
 Chapter #0:0: start 1152.352000, end 1817642524.416000
 Metadata:
 title :
 Chapter #0:1: start 1378.578000, end 1817642524.416000
 Metadata:
 title :
 Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1280x720, q=2-31, 3120 kb/s, 29.97 fps, 29.97 tbr, 770589.00 tbn, 770589.00 tbc (default)
 Metadata:
 creation_time : 1970-01-01T00:00:00.000000Z
 handler_name : VideoHandler
 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 103 kb/s (default)
 Metadata:
 creation_time : 1970-01-01T00:00:00.000000Z
 handler_name : SoundHandler
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=48851 fps=0.0 q=-1.0 Lsize= 642768kB time=00:27:09.96 bitrate=3230.5kbits/s speed=3.04e+03x
video:620855kB audio:20549kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.212700%




C:\Users\Dark\Desktop\ffmpeg\bin>ffmpeg -i 2.mp4 -i image.jpg -map 1 -map 0 -c copy -disposition:0 attached_pic 3.mp4
ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers
 built with gcc 7.3.1 (GCC) 20180722
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --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-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
 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
 libswscale 5. 1.100 / 5. 1.100
 libswresample 3. 1.100 / 3. 1.100
 libpostproc 55. 1.100 / 55. 1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001cdbdbd9b40] Referenced QT chapter track not found
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.12.100
 Duration: 00:27:10.00, start: 0.000000, bitrate: 3230 kb/s
 Chapter #0:0: start 1152.352000, end 1378.578000
 Metadata:
 title :
 Chapter #0:1: start 1378.578000, end 1629.996000
 Metadata:
 title :
 Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1280x720, 3120 kb/s, 29.97 fps, 29.97 tbr, 770589.00 tbn, 59.94 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 103 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Input #1, image2, from 'image.jpg':
 Duration: 00:00:00.04, start: 0.000000, bitrate: 24266 kb/s
 Stream #1:0: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
Output #0, mp4, to '3.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.12.100
 Chapter #0:0: start 1152.352000, end 1378.578000
 Metadata:
 title :
 Chapter #0:1: start 1378.578000, end 1629.996000
 Metadata:
 title :
 Stream #0:0: Video: mjpeg (mp4v / 0x7634706D), yuvj444p(pc, bt470bg/unknown/unknown), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 25 tbr, 12800 tbn, 25 tbc
 Stream #0:1(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1280x720, q=2-31, 3120 kb/s, 29.97 fps, 29.97 tbr, 770589.00 tbn, 770589.00 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:2(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 103 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Stream mapping:
 Stream #1:0 -> #0:0 (copy)
 Stream #0:0 -> #0:1 (copy)
 Stream #0:1 -> #0:2 (copy)
Press [q] to stop, [?] for help
frame= 1 fps=0.0 q=-1.0 Lq=-1.0 size= 642887kB time=00:27:09.96 bitrate=3231.1kbits/s speed=2.79e+03x
video:620973kB audio:20549kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.212752%



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FFmpeg Error while filtering : Cannot allocate memory While Using Gifs Overlay Over Video
4 mars 2021, par Abhishek Sharmacreating overlay gif over video but One gif is stoping after one loop and all other gifs are in a continuous loop by default in the file and FFmpeg throws an error


Command :


ffmpeg -y -i "2021_03_04_03_54_43.mp4" -f lavfi -i "color=000000:s=540x960" -ignore_loop 0 -i "2021_03_04_03_55_08.gif" -ignore_loop 0 -i "2021_03_04_03_56_19.gif" -ignore_loop 0 -i "2021_03_04_04_02_29.gif" -ignore_loop 0 -i "2021_03_04_04_03_50.gif" -filter_complex "[0:v]trim=0:15.047,setpts=PTS-STARTPTS[Clip_0_VideoTrim_0] ;[0:a]atrim=0:15.047,asetpts=PTS-STARTPTS,volume=1[Clip_0_AudioTrim_0] ;[1:v]crop=540:960:0:0,boxblur=luma_radius=10:chroma_radius=10:luma_power=1,scale=540:960[Clip_0_BG] ;[Clip_0_VideoTrim_0]scale=540:960[Clip_0_FG] ;[Clip_0_BG][Clip_0_FG]overlay=0:0:shortest=1[Clip_0_BackgroundOutput] ;[Clip_0_BackgroundOutput][Clip_0_AudioTrim_0]concat=n=1:v=1:a=1[ClipsVideoOut][ClipsAudioOut] ;[2:v]format=yuva444p,colorchannelmixer=aa=1,scale=226.374008178711 :-1,rotate=0:c=none:ow=rotw(0):oh=roth(0)[OverLay_2] ;[ClipsVideoOut][OverLay_2]overlay=enable='between(t,3.839,7.6)':x='(389.626037597656-(overlay_w/2))':y='(205.619873046875-(overlay_h/2))':shortest=1[OverlayLayer_2] ;[3:v]format=yuva444p,colorchannelmixer=aa=1,scale=179.254348754883 :-1,rotate=0:c=none:ow=rotw(0):oh=roth(0)[OverLay_3] ;[OverlayLayer_2][OverLay_3]overlay=enable='between(t,0,3.762)':x='(117.589767456055-(overlay_w/2))':y='(759.018127441406-(overlay_h/2))':shortest=1[OverlayLayer_3] ;[4:v]format=yuva444p,colorchannelmixer=aa=1,scale=326.199066162109 :-1,rotate=0:c=none:ow=rotw(0):oh=roth(0)[OverLay_4] ;[OverlayLayer_3][OverLay_4]overlay=enable='between(t,7.478,11.24)':x='(118.761810302734-(overlay_w/2))':y='(153.96012878418-(overlay_h/2))':shortest=1[OverlayLayer_4] ;[5:v]format=yuva444p,colorchannelmixer=aa=1,scale=268.915679931641 :-1,rotate=0:c=none:ow=rotw(0):oh=roth(0)[OverLay_5] ;[OverlayLayer_4][OverLay_5]overlay=enable='between(t,11.25,15.011)':x='(396.322570800781-(overlay_w/2))':y='(747.451477050781-(overlay_h/2))':shortest=1[OverlayOutput] ;[OverlayOutput][ClipsAudioOut]concat=n=1:v=1:a=1[OutputVideo][OutputAudio]" -map [OutputVideo] -map [OutputAudio] -c:v libx264 -c:a aac -b:a 256k -r 30 -preset ultrafast "2021_03_04_04_04_09.mp4" -hide_banner" ;


ffmpeg Log :


2021-03-04 16:04:10.092 +05:30 [INF] Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2021_03_04_03_54_43.mp4':
2021-03-04 16:04:10.100 +05:30 [INF] Metadata:
2021-03-04 16:04:10.112 +05:30 [INF] major_brand : isom
2021-03-04 16:04:10.123 +05:30 [INF] minor_version : 512
2021-03-04 16:04:10.131 +05:30 [INF] compatible_brands: isomiso2avc1mp41
2021-03-04 16:04:10.141 +05:30 [INF] encoder : Lavf57.76.100
2021-03-04 16:04:10.151 +05:30 [INF] comment : vid:v090444d0000bivu4o5qa7loe16h27e0
2021-03-04 16:04:10.164 +05:30 [INF] genre : aweme_6677028628938787590
2021-03-04 16:04:10.202 +05:30 [INF] Duration: 00:00:15.05, start: 0.000000, bitrate: 1562 kb/s
2021-03-04 16:04:10.253 +05:30 [INF] Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 540x960, 1485 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 119.88 tbc (default)
2021-03-04 16:04:10.262 +05:30 [INF] Metadata:
2021-03-04 16:04:10.275 +05:30 [INF] handler_name : VideoHandler
2021-03-04 16:04:10.303 +05:30 [INF] Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 64 kb/s (default)
2021-03-04 16:04:10.309 +05:30 [INF] Metadata:
2021-03-04 16:04:10.325 +05:30 [INF] handler_name : SoundHandler
2021-03-04 16:04:10.334 +05:30 [INF] Input #1, lavfi, from 'color=000000:s=540x960':
2021-03-04 16:04:10.366 +05:30 [INF] Duration: N/A, start: 0.000000, bitrate: N/A
2021-03-04 16:04:10.403 +05:30 [INF] Stream #1:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 540x960 [SAR 1:1 DAR 9:16], 25 tbr, 25 tbn, 25 tbc
2021-03-04 16:04:10.416 +05:30 [INF] Input #2, gif, from '2021_03_04_03_55_08.gif':
2021-03-04 16:04:10.482 +05:30 [INF] Duration: 00:00:00.20, start: 0.000000, bitrate: 2071 kb/s
2021-03-04 16:04:10.536 +05:30 [INF] Stream #2:0: Video: gif, bgra, 269x386, 14.25 fps, 19.08 tbr, 100 tbn, 100 tbc
2021-03-04 16:04:10.570 +05:30 [INF] Input #3, gif, from '2021_03_04_03_56_19.gif':
2021-03-04 16:04:10.616 +05:30 [INF] Duration: 00:00:01.47, start: 0.000000, bitrate: 11618 kb/s
2021-03-04 16:04:10.666 +05:30 [INF] Stream #3:0: Video: gif, bgra, 300x300, 28.92 fps, 100 tbr, 100 tbn, 100 tbc
2021-03-04 16:04:10.680 +05:30 [INF] Input #4, gif, from '2021_03_04_04_02_29.gif':
2021-03-04 16:04:10.714 +05:30 [INF] Duration: 00:00:00.90, start: 0.000000, bitrate: 824 kb/s
2021-03-04 16:04:10.793 +05:30 [INF] Stream #4:0: Video: gif, bgra, 310x300, 20.67 fps, 19.75 tbr, 100 tbn, 100 tbc
2021-03-04 16:04:10.811 +05:30 [INF] Input #5, gif, from '2021_03_04_04_03_50.gif':
2021-03-04 16:04:10.845 +05:30 [INF] Duration: 00:00:00.48, start: 0.000000, bitrate: 1516 kb/s
2021-03-04 16:04:10.871 +05:30 [INF] Stream #5:0: Video: gif, bgra, 480x480, 14.33 fps, 12.25 tbr, 100 tbn, 100 tbc
2021-03-04 16:04:10.882 +05:30 [INF] Stream mapping:
2021-03-04 16:04:10.891 +05:30 [INF] Stream #0:0 (h264) -> trim
2021-03-04 16:04:10.901 +05:30 [INF] Stream #0:1 (aac) -> atrim
2021-03-04 16:04:10.913 +05:30 [INF] Stream #1:0 (rawvideo) -> crop
2021-03-04 16:04:10.918 +05:30 [INF] Stream #2:0 (gif) -> format
2021-03-04 16:04:10.926 +05:30 [INF] Stream #3:0 (gif) -> format
2021-03-04 16:04:10.932 +05:30 [INF] Stream #4:0 (gif) -> format
2021-03-04 16:04:10.935 +05:30 [INF] Stream #5:0 (gif) -> format
2021-03-04 16:04:10.943 +05:30 [INF] concat:out:v0 -> Stream #0:0 (libx264)
2021-03-04 16:04:10.949 +05:30 [INF] concat:out:a0 -> Stream #0:1 (aac)
2021-03-04 16:04:10.951 +05:30 [INF] Press [q] to stop, [?] for help
2021-03-04 16:04:10.960 +05:30 [INF] frame= 0 fps=0.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbits/s speed=N/A 
2021-03-04 16:04:11.070 +05:30 [INF] [libx264 @ 2013EB00] using SAR=1/1
2021-03-04 16:04:11.092 +05:30 [INF] [libx264 @ 2013EB00] using cpu capabilities: none!
2021-03-04 16:04:11.116 +05:30 [INF] [libx264 @ 2013EB00] profile Constrained Baseline, level 3.1, 4:2:0, 8-bit
2021-03-04 16:04:11.119 +05:30 [INF] [libx264 @ 2013EB00] 264 - core 157 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
2021-03-04 16:04:11.126 +05:30 [INF] Output #0, mp4, to '2021_03_04_04_04_09.mp4':
2021-03-04 16:04:11.129 +05:30 [INF] Metadata:
2021-03-04 16:04:11.136 +05:30 [INF] major_brand : isom
2021-03-04 16:04:11.251 +05:30 [INF] minor_version : 512
2021-03-04 16:04:11.261 +05:30 [INF] compatible_brands: isomiso2avc1mp41
2021-03-04 16:04:11.274 +05:30 [INF] genre : aweme_6677028628938787590
2021-03-04 16:04:11.282 +05:30 [INF] comment : vid:v090444d0000bivu4o5qa7loe16h27e0
2021-03-04 16:04:11.293 +05:30 [INF] encoder : Lavf58.45.100
2021-03-04 16:04:11.324 +05:30 [INF] Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 540x960 [SAR 1:1 DAR 9:16], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
2021-03-04 16:04:11.328 +05:30 [INF] Metadata:
2021-03-04 16:04:11.338 +05:30 [INF] encoder : Lavc58.91.100 libx264
2021-03-04 16:04:11.341 +05:30 [INF] Side data:
2021-03-04 16:04:11.358 +05:30 [INF] cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
2021-03-04 16:04:11.377 +05:30 [INF] Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 256 kb/s (default)
2021-03-04 16:04:11.380 +05:30 [INF] Metadata:
2021-03-04 16:04:11.392 +05:30 [INF] encoder : Lavc58.91.100 aac
2021-03-04 16:04:11.469 +05:30 [INF] frame= 2 fps=0.0 q=0.0 size= 0kB time=00:00:00.04 bitrate= 8.3kbits/s speed=0.0928x 
2021-03-04 16:04:11.972 +05:30 [INF] frame= 16 fps= 16 q=25.0 size= 0kB time=00:00:00.46 bitrate= 0.8kbits/s dup=3 drop=0 speed=0.463x 
2021-03-04 16:04:12.480 +05:30 [INF] frame= 28 fps= 18 q=23.0 size= 256kB time=00:00:00.88 bitrate=2377.2kbits/s dup=5 drop=0 speed=0.582x 
2021-03-04 16:04:13.012 +05:30 [INF] frame= 41 fps= 20 q=23.0 size= 256kB time=00:00:01.34 bitrate=1557.5kbits/s dup=7 drop=0 speed=0.664x 
2021-03-04 16:04:13.493 +05:30 [INF] frame= 53 fps= 21 q=25.0 size= 512kB time=00:00:01.76 bitrate=2377.0kbits/s dup=9 drop=0 speed=0.696x 
2021-03-04 16:04:14.023 +05:30 [INF] frame= 66 fps= 22 q=22.0 size= 768kB time=00:00:02.18 bitrate=2882.6kbits/s dup=11 drop=0 speed=0.714x 
2021-03-04 16:04:14.535 +05:30 [INF] frame= 77 fps= 22 q=23.0 size= 768kB time=00:00:02.57 bitrate=2441.1kbits/s dup=13 drop=0 speed=0.724x 
2021-03-04 16:04:15.030 +05:30 [INF] frame= 91 fps= 22 q=24.0 size= 1024kB time=00:00:03.01 bitrate=2779.1kbits/s dup=15 drop=0 speed=0.743x 
2021-03-04 16:04:15.547 +05:30 [INF] frame= 104 fps= 23 q=23.0 size= 1280kB time=00:00:03.45 bitrate=3030.9kbits/s dup=17 drop=0 speed=0.756x 
2021-03-04 16:04:16.118 +05:30 [INF] frame= 109 fps= 21 q=23.0 size= 1280kB time=00:00:04.78 bitrate=2192.2kbits/s dup=18 drop=0 speed=0.942x 
2021-03-04 16:04:16.543 +05:30 [INF] frame= 109 fps= 20 q=23.0 size= 1280kB time=00:00:06.61 bitrate=1584.6kbits/s dup=18 drop=0 speed=1.19x 
2021-03-04 16:04:17.042 +05:30 [INF] frame= 109 fps= 18 q=23.0 size= 1280kB time=00:00:08.82 bitrate=1188.4kbits/s dup=18 drop=0 speed=1.45x 
2021-03-04 16:04:17.545 +05:30 [INF] frame= 109 fps= 17 q=23.0 size= 1280kB time=00:00:10.89 bitrate= 962.9kbits/s dup=18 drop=0 speed=1.65x 
2021-03-04 16:04:17.864 +05:30 [INF] Error while filtering: Cannot allocate memory
2021-03-04 16:04:17.889 +05:30 [INF] Failed to inject frame into filter network: Cannot allocate memory
2021-03-04 16:04:17.908 +05:30 [INF] Error while processing the decoded data for stream #0:0
2021-03-04 16:04:18.048 +05:30 [INF] [libx264 @ 2013EB00] frame I:1 Avg QP:20.00 size: 43401
2021-03-04 16:04:18.051 +05:30 [INF] [libx264 @ 2013EB00] frame P:101 Avg QP:23.36 size: 13076
2021-03-04 16:04:18.054 +05:30 [INF] [libx264 @ 2013EB00] mb I I16..4: 100.0% 0.0% 0.0%
2021-03-04 16:04:18.058 +05:30 [INF] [libx264 @ 2013EB00] mb P I16..4: 11.9% 0.0% 0.0% P16..4: 44.6% 0.0% 0.0% 0.0% 0.0% skip:43.5%
2021-03-04 16:04:18.062 +05:30 [INF] [libx264 @ 2013EB00] coded y,uvDC,uvAC intra: 34.5% 62.9% 16.0% inter: 23.5% 29.1% 3.2%
2021-03-04 16:04:18.064 +05:30 [INF] [libx264 @ 2013EB00] i16 v,h,dc,p: 35% 20% 19% 25%
2021-03-04 16:04:18.067 +05:30 [INF] [libx264 @ 2013EB00] i8c dc,h,v,p: 34% 22% 33% 12%
2021-03-04 16:04:18.071 +05:30 [INF] [libx264 @ 2013EB00] kb/s:3209.61
2021-03-04 16:04:18.076 +05:30 [INF] [aac @ 2013C440] Qavg: 2650.414
2021-03-04 16:04:18.081 +05:30 [INF] [aac @ 2013C440] 2 frames left in the queue on closing
2021-03-04 16:04:18.099 +05:30 [INF] Conversion failed!



-
FFMPEG keeping quality when reducing FPS and streaming over RTSP with rtsp-simple-server
25 janvier 2021, par Jens SchneiderI'm using the rtsp-simple-server (https://github.com/aler9/rtsp-simple-server) and feed the RTSP Server with a FFMPEG stream.


I use a docker compose file to start the stream :


version: "3.8"

services:

 ffmpeg:
 container_name: ffmpeg-base
 restart: always
 image: "jenssgb/rtspffmpeg:base"
 depends_on:
 - rtsp-server
 volumes:
 - $PWD/:/video
 network_mode: "host"
 command: "ffmpeg -re -stream_loop -1 -i /video/footage-1-b.mp4 -c copy -f rtsp rtsp://localhost:8554/compose-rtsp"
 
 rtsp-server:
 container_name: rtsp-server-base
 restart: always
 image: "aler9/rtsp-simple-server"
 network_mode: "host"



Now I'm trying to reduce the FPS of my video with transcoding it :


command: -re -stream_loop -1 -i ${VIDEO_FILE} -vf "fps=${FPS_COMPOSE}" -f rtsp rtsp://localhost:8554/compose-rtsp



This is basically working, but the quality of the output video becomes pretty bad. I tried a lot of things like
-c:v libx264
which did help for a minute but let ffmpeg crash then.

av_interleaved_write_frame(): Broken pipe0:00:09.99 bitrate=N/A speed=0.985x 
[rtsp @ 0x5563b1755640] Packets poorly interleaved, failed to avoid negative timestamp -33660 in stream 0.
Try -max_interleave_delta 0 as a possible workaround.
av_interleaved_write_frame(): Broken pipe
Error writing trailer of rtsp://localhost:8554/compose-rtsp: Broken pipe



Any idea how I can reduce the FPS send the stream to the server but keep the video quality ? Later I'm going to reduce the resolution as well - but for now I want to keep resolution and quality but only reduce the FPS.


Full logs from my test with
-c:v libx264
:

ffmpeg -re -stream_loop -1 -i footage-1-b.mp4 -vf "fps=5" -c:v libx264 -f rtsp rtsp://localhost:8554/compose-rtsp
ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
 configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'footage-1-b.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 title : Session streamed by "nessyMediaServer"
 encoder : Lavf58.29.100
 comment : h264_3
 Duration: 00:59:59.63, start: 0.000000, bitrate: 2099 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc), 1280x720 [SAR 1:1 DAR 16:9], 2061 kb/s, 24.96 fps, 25 tbr, 12800 tbn, 25 tbc (default)
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 8000 Hz, mono, fltp, 35 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Stream mapping:
 Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[aac @ 0x56277bc7f840] Too many bits 8832.000000 > 6144 per frame requested, clamping to max
[libx264 @ 0x56277bbc33c0] using SAR=1/1
[libx264 @ 0x56277bbc33c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x56277bbc33c0] profile High, level 3.1
[libx264 @ 0x56277bbc33c0] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 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=5 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, rtsp, to 'rtsp://localhost:8554/compose-rtsp':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 title : Session streamed by "nessyMediaServer"
 comment : h264_3
 encoder : Lavf58.29.100
 Stream #0:0(und): Video: h264 (libx264), yuvj420p(pc), 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 5 fps, 90k tbn, 5 tbc (default)
 Metadata:
 handler_name : VideoHandler
 encoder : Lavc58.54.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream #0:1(und): Audio: aac (LC), 8000 Hz, mono, fltp, 48 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 encoder : Lavc58.54.100 aac
av_interleaved_write_frame(): Broken pipe0:00:09.87 bitrate=N/A speed=0.978x 
[rtsp @ 0x56277bba0640] Packets poorly interleaved, failed to avoid negative timestamp -33660 in stream 0.
Try -max_interleave_delta 0 as a possible workaround.
av_interleaved_write_frame(): Broken pipe
Error writing trailer of rtsp://localhost:8554/compose-rtsp: Broken pipe
frame= 50 fps=4.6 q=23.0 Lsize=N/A time=00:00:10.21 bitrate=N/A speed=0.947x 
video:162kB audio:8kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
[libx264 @ 0x56277bbc33c0] frame I:1 Avg QP:19.85 size:165667
[libx264 @ 0x56277bbc33c0] frame P:13 Avg QP:20.88 size:140481
[libx264 @ 0x56277bbc33c0] frame B:36 Avg QP:24.58 size: 55445
[libx264 @ 0x56277bbc33c0] consecutive B-frames: 4.0% 0.0% 0.0% 96.0%
[libx264 @ 0x56277bbc33c0] mb I I16..4: 4.4% 30.8% 64.8%
[libx264 @ 0x56277bbc33c0] mb P I16..4: 4.1% 10.6% 20.0% P16..4: 24.4% 24.8% 13.3% 0.0% 0.0% skip: 2.6%
[libx264 @ 0x56277bbc33c0] mb B I16..4: 0.8% 2.0% 4.0% B16..8: 40.3% 14.5% 5.2% direct:11.8% skip:21.4% L0:77.1% L1: 7.9% BI:14.9%
[libx264 @ 0x56277bbc33c0] 8x8 transform intra:30.1% inter:11.9%
[libx264 @ 0x56277bbc33c0] coded y,uvDC,uvAC intra: 82.5% 60.9% 26.6% inter: 55.0% 42.4% 2.7%
[libx264 @ 0x56277bbc33c0] i16 v,h,dc,p: 17% 26% 34% 23%
[libx264 @ 0x56277bbc33c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 33% 15% 3% 4% 5% 4% 3% 9%
[libx264 @ 0x56277bbc33c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 22% 13% 3% 17% 11% 5% 3% 6%
[libx264 @ 0x56277bbc33c0] i8c dc,h,v,p: 54% 25% 16% 5%
[libx264 @ 0x56277bbc33c0] Weighted P-Frames: Y:7.7% UV:7.7%
[libx264 @ 0x56277bbc33c0] ref P L0: 33.2% 11.6% 29.0% 23.9% 2.4%
[libx264 @ 0x56277bbc33c0] ref B L0: 79.6% 11.9% 8.5%
[libx264 @ 0x56277bbc33c0] ref B L1: 95.9% 4.1%
[libx264 @ 0x56277bbc33c0] kb/s:3190.34
[aac @ 0x56277bc7f840] Qavg: 65536.000
Conversion failed!



Thank you,
J