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Autres articles (112)
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Selection of projects using MediaSPIP
2 mai 2011, parThe examples below are representative elements of MediaSPIP specific uses for specific projects.
MediaSPIP farm @ Infini
The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...) -
Modifier la date de publication
21 juin 2013, parComment changer la date de publication d’un média ?
Il faut au préalable rajouter un champ "Date de publication" dans le masque de formulaire adéquat :
Administrer > Configuration des masques de formulaires > Sélectionner "Un média"
Dans la rubrique "Champs à ajouter, cocher "Date de publication "
Cliquer en bas de la page sur Enregistrer -
Prérequis à l’installation
31 janvier 2010, parPréambule
Cet article n’a pas pour but de détailler les installations de ces logiciels mais plutôt de donner des informations sur leur configuration spécifique.
Avant toute chose SPIPMotion tout comme MediaSPIP est fait pour tourner sur des distributions Linux de type Debian ou dérivées (Ubuntu...). Les documentations de ce site se réfèrent donc à ces distributions. Il est également possible de l’utiliser sur d’autres distributions Linux mais aucune garantie de bon fonctionnement n’est possible.
Il (...)
Sur d’autres sites (4214)
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Batch script to match two filenames in the same folder with different extension
24 mai 2018, par AhhhhhhhhhhhhhdfgbvI’ve been looking, but I don’t quite understand the regex of matching filenames. I have seen in SO that there are questions that match two filenames in different folders, but I’m looking within the same folder.
file01.jpg
file01.wav
file02.jpg
file03.jpg
file04.jpg
file04.wavI want it to match if there is a
jpg
and awav
to run a ffmpeg script, and if thewav
doesn’t have a matchingjpg
then run another ffmpeg script, and if there is no matchingwav
to thejpg
do another script.if( $jpg == $wav ) // matching filenames without extension
do script1
else if( $jpg != $wav ) // if there is no matching jpg to wav
if( empty($jpg) && $wav )
do script2
if( empty($wav) && $jpg )
do script3 -
FFmpeg generated video length doesn't match expected length [on hold]
21 juin 2018, par BentCoderI am using command below to generate video out of images. The problem is the length out the video generated. It is always 5 seconds less than expected. If I have 4 images, I expect to see 20 seconds of video but I am getting 15 seconds instead. The very last image
img-03.jpg
just appears at the end of the video as if it is a cover image. Any idea why and solution ?Command
ffmpeg -y -framerate 1/5 -f image2 \
-i img-%2d.jpg \
-c:v libvpx-vp9 \
-r 25 \
-crf 30 -b:v 0 \
video.webmImages
img-00.jpg
img-01.jpg
img-02.jpg
img-03.jpgOutput
ffmpeg version 3.2.10-1~deb9u1~bpo8+1 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 4.9.2 (Debian 4.9.2-10)
configuration: --prefix=/usr --extra-version='1~deb9u1~bpo8+1' --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 --disable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --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
Input #0, image2, from 'img-%2d.jpg':
Duration: 00:00:20.00, start: 0.000000, bitrate: N/A
Stream #0:0: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 854x480 [SAR 1:1 DAR 427:240], 0.20 fps, 0.20 tbr, 0.20 tbn, 0.20 tbc
[swscaler @ 0x55f2af60e800] deprecated pixel format used, make sure you did set range correctly
[libvpx-vp9 @ 0x55f2af6276a0] v1.3.0
Output #0, webm, to 'video.webm':
Metadata:
encoder : Lavf57.56.101
Stream #0:0: Video: vp9 (libvpx-vp9), yuv420p, 854x480 [SAR 1:1 DAR 427:240], q=-1--1, 25 fps, 1k tbn, 25 tbc
Metadata:
encoder : Lavc57.64.101 libvpx-vp9
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> vp9 (libvpx-vp9))
Press [q] to stop, [?] for help
Input stream #0:0 frame changed from size:854x480 fmt:yuvj444p to size:854x480 fmt:yuvj420p
[swscaler @ 0x55f2af602b60] deprecated pixel format used, make sure you did set range correctly
frame= 4 fps=0.0 q=0.0 Lsize= 214kB time=00:00:15.00 bitrate= 117.0kbits/s speed= 16x
video:214kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.234810% -
FFmpeg - concat videos error, do not match the corresponding output link ?
18 février 2021, par wensefuI'm trying to concat some video into one single video using ffmpeg.



input information :



a.mp4 1920x808 , b.mkv 1280x720



First I tried command below and it works fine :





ffmpeg -i a.mp4 -i b.mkv -f lavfi -t 0.1 -i anullsrc -filter_complex [1:v]scale=1920:808:force_original_aspect_ratio=decrease,pad=1920:808 :(ow-iw)/2 :(oh-ih)/2[v1] ; [0:v][0:a][v1][1:a]concat=n=2:v=1:a=1[outv][outa] -map [outv] -map [outa] -vcodec libx264 -crf 27 -preset ultrafast -threads 2 out.mp4





And then I put 'b.mkv' first :





ffmpeg -i b.mkv -i a.mp4 -f lavfi -t 0.1 -i anullsrc -filter_complex [0:v]scale=1920:808:force_original_aspect_ratio=decrease,pad=1920:808 :(ow-iw)/2 :(oh-ih)/2[v0] ; [v0][0:a][1:v][1:a]concat=n=2:v=1:a=1[outv][outa] -map [outv] -map [outa] -vcodec libx264 -crf 27 -preset ultrafast -threads 2 out.mp4





but this time I got error :





Input link in1:v0 parameters (size 1920x808, SAR 0:1) do not match the corresponding output link in0:v0 parameters (1920x808, SAR 3232:3231)





I don't understand why ?



Any ideas anyone ?



Many thanks in advance.