
Recherche avancée
Médias (1)
-
GetID3 - Bloc informations de fichiers
9 avril 2013, par
Mis à jour : Mai 2013
Langue : français
Type : Image
Autres articles (64)
-
Qu’est ce qu’un éditorial
21 juin 2013, parEcrivez votre de point de vue dans un article. Celui-ci sera rangé dans une rubrique prévue à cet effet.
Un éditorial est un article de type texte uniquement. Il a pour objectif de ranger les points de vue dans une rubrique dédiée. Un seul éditorial est placé à la une en page d’accueil. Pour consulter les précédents, consultez la rubrique dédiée.
Vous pouvez personnaliser le formulaire de création d’un éditorial.
Formulaire de création d’un éditorial Dans le cas d’un document de type éditorial, les (...) -
Gestion des droits de création et d’édition des objets
8 février 2011, parPar défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;
-
Multilang : améliorer l’interface pour les blocs multilingues
18 février 2011, parMultilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela.
Sur d’autres sites (8156)
-
How to add custom configure option with VCPKG when building FFMPEG ?
1er novembre 2024, par NickWuzhDoes anyone know how to enable x11grab format in FFMPEG with VCPKG ?


I'm building FFMPEG in vcpkg manifest mode. Here is my vcpkg.json :


{
 "name": "project",
 "version": "1.0.0",
 "dependencies": [
 {
 "name": "ffmpeg",
 "features": [
 "avcodec",
 "avdevice",
 "avfilter",
 "avformat",
 "bzip2",
 "ffmpeg",
 "lzma",
 "postproc",
 "swresample",
 "swscale",
 "x264",
 "zlib"
 ]
 },
 "iniparser",
 "jsoncpp",
 "spdlog"
 ]
}




And I want to enable x11grab configuration in order to capture screen in Linux, but I found no feature was adapted.
Soon I found that —enable-libxcb was needed in configure and it was autodetect. So I build and install libxcb with source. And pkg-config can find it :


$ pkg-config --modversion xcb
1.17.0



But it doesn't work because in default it is —disable-autodetect in $VCPKG_ROOT/ports/ffmpeg/portfile.cmake :


set(OPTIONS "--enable-pic --disable-doc --enable-debug --enable-runtime-cpudetect --disable-autodetect")



I try to modify $VCPKG_ROOT/ports/ffmpeg/portfile.cmake —enalbe-autodetect, but it doesn't work either. Here is the short message when appling
vcpkg install --triplet x64-linux-release


-- Using source at /usr/local/src/cpp/third-party/vcpkg/buildtrees/ffmpeg/src/n7.0.2-8cb3114be3.clean
-- Getting CMake variables for x64-linux-release
-- Building Options: --enable-pic --disable-doc --enable-debug --enable-runtime-cpudetect --disable-autodetect --target-os=linux --enable-pthreads --cc=gcc --host_cc=gcc --cxx=g++ --nm=nm --ar='ar' --ranlib=ranlib --strip=strip --enable-gpl --enable-ffmpeg --disable-ffplay --disable-ffprobe --enable-avcodec --enable-avdevice --enable-avformat --enable-avfilter --enable-postproc --enable-swresample --enable-swscale --disable-alsa --disable-amf --disable-libaom --disable-libass --disable-avisynth --enable-bzlib --disable-libdav1d --disable-libfdk-aac --disable-libfontconfig --disable-libharfbuzz --disable-libfreetype --disable-libfribidi --disable-iconv --disable-libilbc --enable-lzma --disable-libmp3lame --disable-libmodplug --disable-cuda --disable-nvenc --disable-nvdec --disable-cuvid --disable-ffnvcodec --disable-opencl --disable-opengl --disable-libopenh264 --disable-libopenjpeg --disable-libopenmpt --disable-openssl --disable-libopus --enable-sdl2 --disable-libsnappy --disable-libsoxr --disable-libspeex --disable-libssh --disable-libtensorflow --disable-libtesseract --disable-libtheora --disable-libvorbis --disable-libvpx --disable-libwebp --enable-libx264 --disable-libx265 --disable-libxml2 --enable-zlib --disable-libsrt --disable-libmfx --enable-cross-compile --pkg-config="/bin/pkg-config" --pkg-config-flags=--static
-- Building Release Options: --enable-optimizations --extra-ldflags=-L"/usr/local/src/cpp/cmq/build/vcpkg_installed/x64-linux-release/lib"
-- Building ffmpeg for Release



$ ffmpeg -devices
ffmpeg version 7.0.2 Copyright (c) 2000-2024 the FFmpeg developers
 built with gcc 14.2.0 (GCC)
 configuration: --prefix=/usr/local/src/cpp/third-party/vcpkg/packages/ffmpeg_x64-linux-release --enable-pic --disable-doc --enable-debug --enable-runtime-cpudetect --disable-autodetect --target-os=linux --enable-pthreads --cc=gcc --host_cc=gcc --cxx=g++ --nm=nm --ar=ar --ranlib=ranlib --strip=strip --enable-gpl --enable-ffmpeg --disable-ffplay --disable-ffprobe --enable-avcodec --enable-avdevice --enable-avformat --enable-avfilter --enable-postproc --enable-swresample --enable-swscale --disable-alsa --disable-amf --disable-libaom --disable-libass --disable-avisynth --enable-bzlib --disable-libdav1d --disable-libfdk-aac --disable-libfontconfig --disable-libharfbuzz --disable-libfreetype --disable-libfribidi --disable-iconv --disable-libilbc --enable-lzma --disable-libmp3lame --disable-libmodplug --disable-cuda --disable-nvenc --disable-nvdec --disable-cuvid --disable-ffnvcodec --disable-opencl --disable-opengl --disable-libopenh264 --disable-libopenjpeg --disable-libopenmpt --disable-openssl --disable-libopus --disable-sdl2 --disable-libsnappy --disable-libsoxr --disable-libspeex --disable-libssh --disable-libtensorflow --disable-libtesseract --disable-libtheora --disable-libvorbis --disable-libvpx --disable-libwebp --enable-libx264 --disable-libx265 --disable-libxml2 --enable-zlib --disable-libsrt --disable-libmfx --enable-cross-compile --pkg-config=/bin/pkg-config --pkg-config-flags=--static --enable-optimizations --extra-ldflags=-L/usr/local/src/cpp/cmq/vcpkg_installed/x64-linux-release/lib --arch=x86_64 --enable-asm --enable-x86asm
 libavutil 59. 8.100 / 59. 8.100
 libavcodec 61. 3.100 / 61. 3.100
 libavformat 61. 1.100 / 61. 1.100
 libavdevice 61. 1.100 / 61. 1.100
 libavfilter 10. 1.100 / 10. 1.100
 libswscale 8. 1.100 / 8. 1.100
 libswresample 5. 1.100 / 5. 1.100
 libpostproc 58. 1.100 / 58. 1.100
Devices:
 D. = Demuxing supported
 .E = Muxing supported
 ---
 D lavfi Libavfilter virtual input device
 DE oss OSS (Open Sound System) playback



-
How to combine 100 video clips with transition using FFMPEG ? [closed]
17 octobre 2024, par Muhammad Lutfi RahmawanI've been working on project which involves FFMPEG to process video. The goal is to produce a video from several clips and combine them with transition to each clips. We've succeeded to create video from 20 clips and 19 transitions are applied to merge each clips. But when it comes to a larger amount of clips, say 50, it becomes be failed.


The first thing we do is split the original video into several clips based on user selection and this command is successful (log splitting). Then we combine the clips with transition using below command.


Here is the sample command of FFMPEG which failed :


ffmpeg -y -i /tmp/0.mp4 -i /tmp/1.mp4 -i /tmp/2.mp4 -i /tmp/3.mp4 -i /tmp/4.mp4 -i /tmp/5.mp4 -i /tmp/6.mp4 -i /tmp/7.mp4 -i /tmp/8.mp4 -i /tmp/9.mp4 -i /tmp/10.mp4 -i /tmp/11.mp4 -i /tmp/12.mp4 -i /tmp/13.mp4 -i /tmp/14.mp4 -i /tmp/15.mp4 -i /tmp/16.mp4 -i /tmp/17.mp4 -i /tmp/18.mp4 -i /tmp/19.mp4 -i /tmp/20.mp4 -i /tmp/21.mp4 -i /tmp/22.mp4 -i /tmp/23.mp4 -i /tmp/24.mp4 -i /tmp/25.mp4 -i /tmp/26.mp4 -i /tmp/27.mp4 -i /tmp/28.mp4 -i /tmp/29.mp4 -i /tmp/30.mp4 -i /tmp/31.mp4 -i /tmp/32.mp4 -i /tmp/33.mp4 -i /tmp/34.mp4 -i /tmp/35.mp4 -i /tmp/36.mp4 -i /tmp/37.mp4 -i /tmp/38.mp4 -i /tmp/39.mp4 -i /tmp/40.mp4 -i /tmp/41.mp4 -i /tmp/42.mp4 -i /tmp/43.mp4 -i /tmp/44.mp4 -i /tmp/45.mp4 -i /tmp/46.mp4 -i /tmp/47.mp4 -i /tmp/48.mp4 -i /tmp/49.mp4 -filter_complex "[0:v][1:v]xfade=transition=circlecrop:duration=0.5:offset=24.474[tv0];[0:a][1:a]acrossfade=d=0.5[ta0];[tv0][2:v]xfade=transition=circlecrop:duration=0.5:offset=31.674[tv1];[ta0][2:a]acrossfade=d=0.5[ta1];[tv1][3:v]xfade=transition=circlecrop:duration=0.5:offset=37.234[tv2];[ta1][3:a]acrossfade=d=0.5[ta2];[tv2][4:v]xfade=transition=circlecrop:duration=0.5:offset=55.348[tv3];[ta2][4:a]acrossfade=d=0.5[ta3];[tv3][5:v]xfade=transition=circlecrop:duration=0.5:offset=76.07[tv4];[ta3][5:a]acrossfade=d=0.5[ta4];[tv4][6:v]xfade=transition=circlecrop:duration=0.5:offset=82.622[tv5];[ta4][6:a]acrossfade=d=0.5[ta5];[tv5][7:v]xfade=transition=circlecrop:duration=0.5:offset=103.122[tv6];[ta5][7:a]acrossfade=d=0.5[ta6];[tv6][8:v]xfade=transition=circlecrop:duration=0.5:offset=114.502[tv7];[ta6][8:a]acrossfade=d=0.5[ta7];[tv7][9:v]xfade=transition=circlecrop:duration=0.5:offset=122.258[tv8];[ta7][9:a]acrossfade=d=0.5[ta8];[tv8][10:v]xfade=transition=circlecrop:duration=0.5:offset=130.094[tv9];[ta8][10:a]acrossfade=d=0.5[ta9];[tv9][11:v]xfade=transition=circlecrop:duration=0.5:offset=134.33[tv10];[ta9][11:a]acrossfade=d=0.5[ta10];[tv10][12:v]xfade=transition=circlecrop:duration=0.5:offset=141.85[tv11];[ta10][12:a]acrossfade=d=0.5[ta11];[tv11][13:v]xfade=transition=circlecrop:duration=0.5:offset=145.59[tv12];[ta11][13:a]acrossfade=d=0.5[ta12];[tv12][14:v]xfade=transition=circlecrop:duration=0.5:offset=154.314[tv13];[ta12][14:a]acrossfade=d=0.5[ta13];[tv13][15:v]xfade=transition=circlecrop:duration=0.5:offset=155.998[tv14];[ta13][15:a]acrossfade=d=0.5[ta14];[tv14][16:v]xfade=transition=circlecrop:duration=0.5:offset=164.924[tv15];[ta14][16:a]acrossfade=d=0.5[ta15];[tv15][17:v]xfade=transition=circlecrop:duration=0.5:offset=168.184[tv16];[ta15][17:a]acrossfade=d=0.5[ta16];[tv16][18:v]xfade=transition=circlecrop:duration=0.5:offset=174.796[tv17];[ta16][18:a]acrossfade=d=0.5[ta17];[tv17][19:v]xfade=transition=circlecrop:duration=0.5:offset=186.724[tv18];[ta17][19:a]acrossfade=d=0.5[ta18];[tv18][20:v]xfade=transition=circlecrop:duration=0.5:offset=191.23[tv19];[ta18][20:a]acrossfade=d=0.5[ta19];[tv19][21:v]xfade=transition=circlecrop:duration=0.5:offset=195.778[tv20];[ta19][21:a]acrossfade=d=0.5[ta20];[tv20][22:v]xfade=transition=circlecrop:duration=0.5:offset=198.118[tv21];[ta20][22:a]acrossfade=d=0.5[ta21];[tv21][23:v]xfade=transition=circlecrop:duration=0.5:offset=201.506[tv22];[ta21][23:a]acrossfade=d=0.5[ta22];[tv22][24:v]xfade=transition=circlecrop:duration=0.5:offset=204.422[tv23];[ta22][24:a]acrossfade=d=0.5[ta23];[tv23][25:v]xfade=transition=circlecrop:duration=0.5:offset=210.243[tv24];[ta23][25:a]acrossfade=d=0.5[ta24];[tv24][26:v]xfade=transition=circlecrop:duration=0.5:offset=215.417[tv25];[ta24][26:a]acrossfade=d=0.5[ta25];[tv25][27:v]xfade=transition=circlecrop:duration=0.5:offset=219.057[tv26];[ta25][27:a]acrossfade=d=0.5[ta26];[tv26][28:v]xfade=transition=circlecrop:duration=0.5:offset=221.277[tv27];[ta26][28:a]acrossfade=d=0.5[ta27];[tv27][29:v]xfade=transition=circlecrop:duration=0.5:offset=224.875[tv28];[ta27][29:a]acrossfade=d=0.5[ta28];[tv28][ta28][30:v][30:a][31:v][31:a][32:v][32:a][33:v][33:a][34:v][34:a][35:v][35:a][36:v][36:a][37:v][37:a][38:v][38:a][39:v][39:a][40:v][40:a][41:v][41:a][42:v][42:a][43:v][43:a][44:v][44:a][45:v][45:a][46:v][46:a][47:v][47:a][48:v][48:a][49:v][49:a]concat=n=21:v=1:a=1[v][a]" -map "[v]" -map "[a]" /tmp/export-clip-94989d271066ace00459-9ba57089-d833-4cef-beb7-3c847e9958af.mp4



The error is as follows :


ffmpeg version 7.1 Copyright (c) 2000-2024 the FFmpeg developers\n built with gcc 13 (Ubuntu 13.2.0-23ubuntu4)\n configuration: --disable-debug --disable-doc --disable-ffplay --enable-alsa --enable-cuda-llvm --enable-cuvid --enable-ffprobe --enable-gpl --enable-libaom --enable-libass --enable-libdav1d --enable-libfdk_aac --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-libkvazaar --enable-liblc3 --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libplacebo --enable-librav1e --enable-librist --enable-libshaderc --enable-libsrt --enable-libsvtav1 --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpl --enable-libvpx --enable-libvvenc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-nonfree --enable-nvdec --enable-nvenc --enable-opencl --enable-openssl --enable-stripping --enable-vaapi --enable-vdpau --enable-version3 --enable-vulkan\n libavutil 59. 39.100 / 59. 39.100\n libavcodec 61. 19.100 / 61. 19.100\n libavformat 61. 7.100 / 61. 7.100\n libavdevice 61. 3.100 / 61. 3.100\n libavfilter 10. 4.100 / 10. 4.100\n libswscale 8. 3.100 / 8. 3.100\n libswresample 5. 3.100 / 5. 3.100\n libpostproc 58. 3.100 / 58. 3.100\n[mov,mp4,m4a,3gp,3g2,mj2 @ 0x56102f0e5580] moov atom not found\n[in#0 @ 0x56102f0ed480] Error opening input: Invalid data found when processing input\nError opening input file /tmp/0.mp4.\nError opening input files: Invalid data found when processing input\n



It stated that /tmp/0.mp4 has invalid data
moov atom not found


This only occurs when the number of clips > 20


Additional info :


- 

- I can run without any error in my local environment using Windows 11 (FFMPEG version N-114902-g277f051ff6-20240421)
- It fails on AWS Fargate environment using Ubuntu base image docker (FFMPEG version 7.1)






I hope I can get a solutive answer based on my case at least I get what is wrong with my approach


-
libavcodec.so.58 not found when running software compiled with opencv
22 avril, par AbinayaI am using ubuntu 22.04. Now every time I try to run software compiled with Opencv, I get the following error :


`libavcodec.so.58 => not found
 libavformat.so.58 => not found
 libavutil.so.56 => not found
 libswscale.so.5 => not found
`



Looking around /lib/x86_64-linux-gnu/, I can find libavcodec.so.59, but not libavcodec.so.58.


When trying to run sudo apt-get install libavcodec58, I get :


Package 'libavcodec58' has no installation candidate


I've scoured the internet in search of an answer, but could not find anything at this point. Any help with solving this problem will be very much appreciated.


I have tried to recreate symbolic link with
'ls -l libavcodec.so.59'
1 root root 23 Aug 10 2024 libavcodec.so.59 ->libavcodec.so.59.37.100`


'dconfig -vl libavcodec.so.59.37.100'
libavcodec.so.59 -> libavcodec.so.59.37.100`


But I am still struck