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Autres articles (72)
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Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
Participer à sa traduction
10 avril 2011Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
Actuellement MediaSPIP n’est disponible qu’en français et (...) -
MediaSPIP v0.2
21 juin 2013, parMediaSPIP 0.2 est la première version de MediaSPIP stable.
Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)
Sur d’autres sites (12348)
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Brew can't install libav
21 février 2023, par yabruim trying to install libav using brew but it returns


Error: libav has been disabled because it is not maintained upstream!

I've tried to follow THIS solution but im missing the
disable! date: "DATE", because: :unmaintainedline when editing the libav brew formula.

I've already tried reinstalling brew


brew version, 4.0.1-91-g6b7ecd1

macOS version, 13.1 (22C65)

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how to use ffmpeg with mjpeg_vaapi encoder (with hardware acceleration) ?
8 août 2018, par MaratWhen I use ffmpeg with mjpeg encoder without hardware acceleration, everything works fine. I use following command :
ffmpeg -nostdin -rtsp_transport udp_multicast -allowed_media_types 'video' -i 'rtsp://MYIP' -ss 00:00:0.00 -f image2pipe -q:v 24 -vf scale=-2:480,format=yuv420p -c:v mjpeg -vframes 1 pipe:1But, when I try to use mjpeg with hardware acceleration, I always get error :
ffmpeg -nostdin -rtsp_transport udp_multicast -allowed_media_types 'video' -hwaccel vaapi -vaapi_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i 'rtsp://MYIP' -ss 00:00:0.00 -f image2pipe -q:v 24 -vf scale=-2:480,format=yuv420p -c:v mjpeg_vaapi -vframes 1 pipe:1
ffmpeg version N-91514-gc51e0cd Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
configuration: --pkg-config-flags=--static
libavutil 56. 18.102 / 56. 18.102
libavcodec 58. 21.106 / 58. 21.106
libavformat 58. 17.101 / 58. 17.101
libavdevice 58. 4.101 / 58. 4.101
libavfilter 7. 26.100 / 7. 26.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libva info: VA-API version 0.39.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0
Input #0, rtsp, from 'rtsp://MYIP':
Metadata:
title : Session streamed with GStreamer
comment : rtsp-server
Duration: N/A, start: 0.180600, bitrate: N/A
Stream #0:0: Video: h264 (Main), yuvj420p(pc, progressive), 800x600, 50 fps, 50 tbr, 90k tbn, 100 tbc
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (mjpeg_vaapi))
Impossible to convert between the formats supported by the filter 'graph 0 input from stream 0:0' and the filter 'auto_scaler_0'
Error reinitializing filters!
Failed to inject frame into filter network: Function not implemented
Error while processing the decoded data for stream #0:0
Conversion failed!I tried with some additional options but it still keeps failing :
ffmpeg -nostdin -rtsp_transport udp_multicast -allowed_media_types 'video' -hwaccel vaapi -vaapi_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i 'rtsp://MYIP' -ss 00:00:0.00 -f image2pipe -q:v 24 -vf "scale_vaapi=w=800:h=600" -b:v 700k -r 25 -vcodec mjpeg_vaapi -vframes 1 pipe:1
ffmpeg version N-91514-gc51e0cd Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
configuration: --pkg-config-flags=--static
libavutil 56. 18.102 / 56. 18.102
libavcodec 58. 21.106 / 58. 21.106
libavformat 58. 17.101 / 58. 17.101
libavdevice 58. 4.101 / 58. 4.101
libavfilter 7. 26.100 / 7. 26.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libva info: VA-API version 0.39.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0
Input #0, rtsp, from 'rtsp://MYIP':
Metadata:
title : Session streamed with GStreamer
comment : rtsp-server
Duration: N/A, start: 0.179933, bitrate: N/A
Stream #0:0: Video: h264 (Main), yuvj420p(pc, progressive), 800x600, 50 fps, 50 tbr, 90k tbn, 100 tbc
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (mjpeg_vaapi))
[mjpeg_vaapi @ 0x374cd80] Encoding entrypoint not found (12 / 7).
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!Can please anyone suggest right options to make it work ?
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android ffmpeg halfninja Could not find input stream matching output stream
2 octobre 2013, par NguyenI need your help about Android FFMPEG .
I tried to run halfninja's projectTest but some errors are occurred.
First error is occurred and it has been fixed by following suggestion : android ffmpeg halfninja av_open_input_file returns -2 (no such file or directory)
Then after run again, I have this error :
10-03 00:38:48.070 : E/Videokit(10474) : Could not find input stream matching output stream #0.0
Full error :
10-03 00:38:47.340 : E/Videokit(10474) : ffmpeg version N-30996-gf925b24, Copyright (c) 2000-2011 the FFmpeg developers
10-03 00:38:47.340 : E/Videokit(10474) : built on Oct 2 2013 10:32:27 with gcc 4.4.3
10-03 00:38:47.340 : E/Videokit(10474) : configuration : —enable-cross-compile —arch=arm5te —enable-armv5te —target-os=linux —disable-stripping —prefix=../output —disable-neon —enable-version3 —disable-shared —enable-static —enable-gpl —enable-memalign-hack —cc=arm-linux-androideabi-gcc —ld=arm-linux-androideabi-ld —extra-cflags='-fPIC -DANDROID -D_thumb_ -mthumb -Wfatal-errors -Wno-deprecated' —disable-everything —enable-decoder=mjpeg —enable-demuxer=mjpeg —enable-parser=mjpeg —enable-demuxer=image2 —enable-muxer=mp4 —enable-encoder=libx264 —enable-libx264 —enable-decoder=rawvideo —enable-protocol=file —enable-hwaccels —disable-ffmpeg —disable-ffplay —disable-ffprobe —disable-ffserver —disable-network —enable-filter=buffer —enable-filter=buffersink —disable-demuxer=v4l —disable-demuxer=v4l2 —disable-indev=v4l —disable-indev=v4l2 —extra-cflags='-I../x264 -Ivideokit' —extra-ldflags=-L../x264
10-03 00:38:48.070 : E/Videokit(10474) : Could not find input stream matching output stream #0.0
10-03 00:38:48.070 : E/Videokit(10474) : ffmpeg_exit(1) called !please help me.Thanks so much
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