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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 -
Automated installation script of MediaSPIP
25 avril 2011, parTo overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
The documentation of the use of this installation script is available here.
The code of this (...) -
Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...)
Sur d’autres sites (6467)
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Could not write header for output file #0 (incorrect codec parameters ?) : No such file or directory Error initializing output stream 0:5 —
13 septembre 2022, par M EI am trying to create a DASH manifest and segments from an .mp4 file. I have created a bash files with the commands below, and calling bbb.mp4, but the output gives the error on the subject line. This is the script I am using :


ffmpeg -re -i bbb.mp4 -map 0 -map 0 -c:a aac -c:v libx264 \
-b:v:0 800k -b:v:1 300k -s:v:1 320x170 -profile:v:1 baseline \
-profile:v:0 main -bf 1 -keyint_min 120 -g 120 -sc_threshold 0 \
-b_strategy 0 -ar:a:1 22050 -use_timeline 1 -use_template 1 \
-window_size 5 -adaptation_sets "id=0,streams=v id=1,streams=a" \
-f dash /path/to/out.mpd



After running the command for my bash file dash-demo I get :


$ dash-demo.sh
ffmpeg version 5.1.1-full_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers
 built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
 libavutil 57. 28.100 / 57. 28.100
 libavcodec 59. 37.100 / 59. 37.100
 libavformat 59. 27.100 / 59. 27.100
 libavdevice 59. 7.100 / 59. 7.100
 libavfilter 8. 44.100 / 8. 44.100
 libswscale 6. 7.100 / 6. 7.100
 libswresample 4. 7.100 / 4. 7.100
 libpostproc 56. 6.100 / 56. 6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'bbb.mp4':
 Metadata:
 major_brand : isom
 minor_version : 1
 compatible_brands: isomavc1
 creation_time : 2013-12-16T17:59:32.000000Z
 title : Big Buck Bunny, Sunflower version
 artist : Blender Foundation 2008, Janus Bager Kristensen 2013
 comment : Creative Commons Attribution 3.0 - http://bbb3d.renderfarming.net
 genre : Animation
 composer : Sacha Goedegebure
 Duration: 00:10:34.53, start: 0.000000, bitrate: 4486 kb/s
 Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 4001 kb/s, 60 fps, 60 tbr, 60k tbn (default)
 Metadata:
 creation_time : 2013-12-16T17:59:32.000000Z
 handler_name : GPAC ISO Video Handler
 vendor_id : [0][0][0][0]
 Stream #0:1[0x2](und): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 160 kb/s (default)
 Metadata:
 creation_time : 2013-12-16T17:59:37.000000Z
 handler_name : GPAC ISO Audio Handler
 vendor_id : [0][0][0][0]
 Stream #0:2[0x3](und): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side), fltp, 320 kb/s (default)
 Metadata:
 creation_time : 2013-12-16T17:59:37.000000Z
 handler_name : GPAC ISO Audio Handler
 vendor_id : [0][0][0][0]
 Side data:
 audio service type: main
Stream mapping:
 Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:1 -> #0:1 (mp3 (mp3float) -> aac (native))
 Stream #0:2 -> #0:2 (ac3 (native) -> aac (native))
 Stream #0:0 -> #0:3 (h264 (native) -> h264 (libx264))
 Stream #0:1 -> #0:4 (mp3 (mp3float) -> aac (native))
 Stream #0:2 -> #0:5 (ac3 (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 00000172d0783040] using SAR=1/1
[libx264 @ 00000172d0783040] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 00000172d0783040] profile Main, level 4.2, 4:2:0, 8-bit
[libx264 @ 00000172d0783040] 264 - core 164 r3095 baee400 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - 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=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=1 b_pyramid=0 b_adapt=0 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=120 keyint_min=61 scenecut=0 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=800 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[libx264 @ 00000172d011dac0] using SAR=17/18
[libx264 @ 00000172d011dac0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 00000172d011dac0] profile Constrained Baseline, level 2.1, 4:2:0, 8-bit
[libx264 @ 00000172d011dac0] 264 - core 164 r3095 baee400 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - http://www.videolan.org/x264.html - options: cabac=0 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=5 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=120 keyint_min=61 scenecut=0 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=300 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[aac @ 00000172d011d2c0] Using a PCE to encode channel layout "5.1(side)"
[aac @ 00000172d0136580] Using a PCE to encode channel layout "5.1(side)"
[dash @ 00000172d0a82880] Opening 'C:/Program Files/Git/path/to/init-stream0.m4s' for writing
Could not write header for output file #0 (incorrect codec parameters ?): No such file or directory
Error initializing output stream 0:5 --
[libx264 @ 00000172d0783040] final ratefactor: 41.41
[aac @ 00000172d04ffc00] Qavg: 8678.318
[aac @ 00000172d04ffc00] 2 frames left in the queue on closing
[aac @ 00000172d011d2c0] Qavg: nan
[libx264 @ 00000172d011dac0] final ratefactor: 34.26
[aac @ 00000172d0136180] Qavg: 8678.318
[aac @ 00000172d0136180] 2 frames left in the queue on closing
[aac @ 00000172d0136580] Qavg: nan
Conversion failed!



What am I doing wrong ?


Thank you !


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Creating animated AVIF with FFmpeg
17 septembre 2022, par Ollie WilliamsEdit : This did eventually complete, and the output file is fine. I am using a top-end MacBook M1 Pro computer. Is it normal for it to be this relentlessly slow ? It was


My input file is an
.mov
. I used this command :

ffmpeg -i Jellyfish.mov Jellyfish.avif


I also tried converting an MP4/h264 file.
In both cases it took over 50 minutes.


It's a 5 second long clip but it has taken about 20 minutes and the output file is still zero bytes.


This is the output in my terminal :


Output #0, avif, to 'Jellyfish.avif':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: mp42mp41isomavc1
 encoder : Lavf59.27.100
 Stream #0:0(und): Video: av1 (av01 / 0x31307661), yuv420p(tv, bt709, progressive), 1280x720, q=2-31, 30 fps, 15360 tbn (default)
 Metadata:
 creation_time : 2022-03-18T00:53:05.000000Z
 handler_name : L-SMASH Video Handler
 vendor_id : [0][0][0][0]
 encoder : Lavc59.37.100 libaom-av1
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame= 1 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= frame= 36 fps=1.4 q=0.0 size= 0kB time=00:00:00.03 bitrate= 0.0kbits/sframe= 37 fps=0.2 q=0.0 size= 0kB time=00:00:00.06 bitrate= 0.0kbits/sframe= 39 fps=0.2 q=0.0 size= 0kB time=00:00:00.13 bitrate= 0.0kbits/sframe= 41 fps=0.1 q=0.0 size= 0kB time=00:00:00.20 bitrate= 0.0kbits/sframe= 43 fps=0.1 q=0.0 size= 0kB time=00:00:00.26 bitrate= 0.0kbits/sframe= 45 fps=0.1 q=0.0 size= 0kB time=00:00:00.33 bitrate= 0.0kbits/sframe= 47 fps=0.1 q=0.0 size= 0kB time=00:00:00.40 bitrate= 0.0kbits/sframe= 49 fps=0.1 q=0.0 size= 0kB time=00:00:00.46 bitrate= 0.0kbits/sframe= 51 fps=0.1 q=0.0 size= 0kB time=00:00:00.53 bitrate= 0.0kbits/sframe= 53 fps=0.1 q=0.0 size= 0kB time=00:00:00.60 bitrate= 0.0kbits/sframe= 55 fps=0.1 q=0.0 size= 0kB time=00:00:00.66 bitrate= 0.0kbits/sframe= 57 fps=0.1 q=0.0 size= 0kB time=00:00:00.73 bitrate= 0.0kbits/sframe= 59 fps=0.1 q=0.0 size= 0kB time=00:00:00.80 bitrate= 0.0kbits/sframe= 61 fps=0.1 q=0.0 size= 0kB time=00:00:00.86 bitrate= 0.0kbits/sframe= 63 fps=0.1 q=0.0 size= 0kB time=00:00:00.93 bitrate= 0.0kbits/sframe= 65 fps=0.1 q=0.0 size= 0kB time=00:00:01.00 bitrate= 0.0kbits/sframe= 67 fps=0.1 q=0.0 size= 0kB time=00:00:01.06 bitrate= 0.0kbits/s speed=0.00103x



I copied the command avif.io


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How to fix muxer does not support non seekable output error on ffmpeg ?
19 septembre 2022, par YusufI am getting this error when I try to stream my video to YouTube rtmps server and I don't know what it means or how to fix it. Can anyone help ?


I first record my screen with Electron's MediaRecorder


then I insert metadata of to the blob (othervise Electron exports without specifying the end of the file)


I convert the webm to mp4 by executing

ffmpeg -i ${tempVideoPath} -c copy ${tempMp4VideoPath}


Then I execute

ffmpeg -re -i ${tempVideoPath} -c copy -f mp4 ${youtubertmpslink}


Finally I get this error :


ffmpeg version 5.1.1-essentials_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers
 built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libgme --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-librubberband
 libavutil 57. 28.100 / 57. 28.100
 libavcodec 59. 37.100 / 59. 37.100
 libavformat 59. 27.100 / 59. 27.100
 libavdevice 59. 7.100 / 59. 7.100
 libavfilter 8. 44.100 / 8. 44.100
 libswscale 6. 7.100 / 6. 7.100
 libswresample 4. 7.100 / 4. 7.100
 libpostproc 56. 6.100 / 56. 6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\yussu\Desktop\Yazilim\electronJS\online-egitim-ogretmen\src\temp\stream-1663141332257.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2mp41
 encoder : Lavf59.27.100
 Duration: 00:00:04.98, start: 0.000000, bitrate: 4251 kb/s
 Stream #0:0[0x1](eng): Video: vp9 (Profile 0) (vp09 / 0x39307076), yuv420p(tv), 1920x1080, 4179 kb/s, SAR 1:1 DAR 16:9, 23.07 fps, 16k tbr, 16k tbn (default)
 Metadata:
 handler_name : VideoHandler
 vendor_id : [0][0][0][0]
 Stream #0:1[0x2](eng): Audio: opus (Opus / 0x7375704F), 48000 Hz, stereo, fltp, 99 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 vendor_id : [0][0][0][0]
[mp4 @ 000001bd5ee76440] muxer does not support non seekable output
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:1 -- 
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
 Last message repeated 1 times

 at ChildProcess.exithandler (child_process.js:308)
 at ChildProcess.emit (events.js:210)
 at maybeClose (internal/child_process.js:1021)
 at Process.ChildProcess._handle.onexit (internal/child_process.js:283)```