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Autres articles (28)
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De l’upload à la vidéo finale [version standalone]
31 janvier 2010, parLe chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
Upload et récupération d’informations de la vidéo source
Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...) -
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 (...) -
MediaSPIP : Modification des droits de création d’objets et de publication définitive
11 novembre 2010, parPar défaut, MediaSPIP permet de créer 5 types d’objets.
Toujours par défaut les droits de création et de publication définitive de ces objets sont réservés aux administrateurs, mais ils sont bien entendu configurables par les webmestres.
Ces droits sont ainsi bloqués pour plusieurs raisons : parce que le fait d’autoriser à publier doit être la volonté du webmestre pas de l’ensemble de la plateforme et donc ne pas être un choix par défaut ; parce qu’avoir un compte peut servir à autre choses également, (...)
Sur d’autres sites (8721)
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FFmpeg matlab error : At least one output file must be specified ? [closed]
3 mars, par as mohI'm trying to get I frames from a video using Matlab using this command
system(sprintf('ffmpeg -i testVid.mp4 -vf "select=eq(pict_type\,I)" -vsync vfr output_%03d.png'));
,but i get this message

ffmpeg version 7.1-full_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers 
 built with gcc 14.2.0 (Rev1, 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-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libopenjpeg --enable-libquirc --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-libqrencode --enable-librav1e --enable-libsvtav1 --enable-libvvenc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --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-libcodec2 --enable-libilbc --enable-libgsm --enable-liblc3 --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint 
 libavutil 59. 39.100 / 59. 39.100 
 libavcodec 61. 19.100 / 61. 19.100 
 libavformat 61. 7.100 / 61. 7.100 
 libavdevice 61. 3.100 / 61. 3.100 
 libavfilter 10. 4.100 / 10. 4.100 
 libswscale 8. 3.100 / 8. 3.100 
 libswresample 5. 3.100 / 5. 3.100 
 libpostproc 58. 3.100 / 58. 3.100 
Trailing option(s) found in the command: may be ignored. 
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'testVid.mp4': 
 Metadata: 
 major_brand : isom 
 minor_version : 512 
 compatible_brands: isomiso2avc1mp41 
 encoder : Lavf57.83.100 
 Duration: 00:00:02.02, start: 0.000000, bitrate: 12798 kb/s 
 Stream #0:0[0x1](eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuvj420p(pc, progressive), 1280x720 [SAR 1:1 DAR 16:9], 12662 kb/s, 29.74 fps, 30 tbr, 90k tbn (default) 
 Metadata: 
 handler_name : VideoHandler 
 vendor_id : [0][0][0][0] 
 Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 121 kb/s (default) 
 Metadata: 
 handler_name : SoundHandler 
 vendor_id : [0][0][0][0] 
At least one output file must be specified 



i searched and tried many cases but i don't know where is the problem, any help please ?


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Using HW accelerate video encoding
9 juin 2019, par RoboGilI am trying to get ffmpeg HW acceleration on an UpBoard .
It uses an Atom x5 z8350 processor and Intel HD 400 GPUI have also followed this tutorial in order to compile ffmpeg with libmfx enabled.
$ ffmpeg -encoders | grep qsv
ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 20160609
configuration: --enable-libmfx
libavutil 56. 22.100 / 56. 22.100
libavcodec 58. 35.100 / 58. 35.100
libavformat 58. 20.100 / 58. 20.100
libavdevice 58. 5.100 / 58. 5.100
libavfilter 7. 40.101 / 7. 40.101
libswscale 5. 3.100 / 5. 3.100
libswresample 3. 3.100 / 3. 3.100
V..... h264_qsv H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration) (codec h264)
V..... hevc_qsv HEVC (Intel Quick Sync Video acceleration) (codec hevc)
V..... mjpeg_qsv MJPEG (Intel Quick Sync Video acceleration) (codec mjpeg)
V..... mpeg2_qsv MPEG-2 video (Intel Quick Sync Video acceleration) (codec mpeg2video)However, when trying to encode I video I am getting :
$ ffmpeg -i in.mp4 -c:v h264_qsv -global_quality 10 -look_ahead 1 out.mp4
ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 20160609
configuration: --enable-libmfx
libavutil 56. 22.100 / 56. 22.100
libavcodec 58. 35.100 / 58. 35.100
libavformat 58. 20.100 / 58. 20.100
libavdevice 58. 5.100 / 58. 5.100
libavfilter 7. 40.101 / 7. 40.101
libswscale 5. 3.100 / 5. 3.100
libswresample 3. 3.100 / 3. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2019-06-04T19:06:40.000000Z
Duration: 00:04:03.07, start: 0.000000, bitrate: 408 kb/s
Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, bt709), 640x360 [SAR 1:1 DAR 16:9], 310 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
Metadata:
creation_time : 2019-06-04T19:06:40.000000Z
handler_name : ISO Media file produced by Google Inc. Created on: 06/04/2019.
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 95 kb/s (default)
Metadata:
creation_time : 2019-06-04T19:06:40.000000Z
handler_name : ISO Media file produced by Google Inc. Created on: 06/04/2019.
File 'out.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_qsv))
Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[h264_qsv @ 0x3b30a00] Error initializing an internal MFX session: unsupported (-3)
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!What am I missing ?
Thank you very much !
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array_merge() : Argument #2 is not an array after adding class into providers
19 juin 2019, par Daman MokhaI am using pbmedia/laravel-ffmpeg as soon as I installed and added the providers and alias, it shows me the following error. This code was simply working on another machine
array_merge(): Argument #2 is not an array
I have tried the following things
- Composer update/ and Fresh install
- Cleaning the bootstrap/cache/
- Checked the config file for laravel-ffmpeg it’s there and fine
- Publish the config file using the artisan CLI tool : php artisan vendor:publish —provider="Pbmedia\LaravelFFMpeg\FFMpegServiceProvider"
Here is the portion from laravel.log when I tried to run.
[2019-06-19 00:34:40] local.ERROR: ErrorException: array_merge(): Argument #2 is not an array in /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Support/ServiceProvider.php:59
Stack trace:
#0 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'array_merge(): ...', '/Users/damanmok...', 59, Array)
#1 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Support/ServiceProvider.php(59): array_merge(Array, 1)
#2 /Users/damanmokha/edetyv2/vendor/pbmedia/laravel-ffmpeg/src/FFMpegServiceProvider.php(25): Illuminate\Support\ServiceProvider->mergeConfigFrom('/Users/damanmok...', 'laravel-ffmpeg')
#3 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(565): Pbmedia\LaravelFFMpeg\FFMpegServiceProvider->register()
#4 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Foundation/ProviderRepository.php(74): Illuminate\Foundation\Application->register(Object(Pbmedia\LaravelFFMpeg\FFMpegServiceProvider))
#5 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(540): Illuminate\Foundation\ProviderRepository->load(Array)
#6 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/RegisterProviders.php(17): Illuminate\Foundation\Application->registerConfiguredProviders()
#7 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(203): Illuminate\Foundation\Bootstrap\RegisterProviders->bootstrap(Object(Illuminate\Foundation\Application))
#8 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(267): Illuminate\Foundation\Application->bootstrapWith(Array)
#9 /Users/damanmokha/edetyv2/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(113): Illuminate\Foundation\Console\Kernel->bootstrap()
#10 /Users/damanmokha/edetyv2/artisan(35): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#11 {main}if I don’t add these providers it works fine, but then I am not able to use ffmpeg without that.
- Laravel Version 5.3
- pbmedia/laravel-ffmpeg 1.3
- php version : 7.1