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Autres articles (112)
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Ecrire une actualité
21 juin 2013, parPrésentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
Vous pouvez personnaliser le formulaire de création d’une actualité.
Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...) -
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 -
Script d’installation automatique de MediaSPIP
25 avril 2011, parAfin de palier aux difficultés d’installation dues principalement aux dépendances logicielles coté serveur, un script d’installation "tout en un" en bash a été créé afin de faciliter cette étape sur un serveur doté d’une distribution Linux compatible.
Vous devez bénéficier d’un accès SSH à votre serveur et d’un compte "root" afin de l’utiliser, ce qui permettra d’installer les dépendances. Contactez votre hébergeur si vous ne disposez pas de cela.
La documentation de l’utilisation du script d’installation (...)
Sur d’autres sites (8034)
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FFMPEG No encoder found for codec id 8
3 septembre 2018, par raspiboeleI’m using a Raspberry Pi to restreem a (https) .m3u8 stream, to a local MJPEG-stream with FFMPEG.
Becaus I have a Nest Cam / Nest Hello and I want to import that stream into my Fibaro Homecenter (Smarthome Basestation), but the Fibaro Homecenter only eats the MJPEG format. So I made a Raspberry Pi with FFMPEG to do the trick.This is my /etc/ffserver.conf file :
HTTPPort 8090
HTTPBindAddress 0.0.0.0
MaxHTTPConnections 2000
MaxClients 1000
MaxBandwidth 1000
CustomLog -
<feed>
File /tmp/feed1.ffm
FileMaxSize 30M
</feed>
<stream>
Feed feed1.ffm
Format mpjpeg
VideoFrameRate 2
VideoIntraOnly
NoAudio
Strict -1
</stream>My command :
ffmpeg -i "https://path-to-stream.com/chucklist.m3u8" http://localhost:8090/feed1.ffmOutput :
ffmpeg version N-89723-g2ca65fc7b7 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 6.3.0 (Raspbian 6.3.0-18+rpi1+deb9u1) 20170516
configuration: --arch=armel --target-os=linux --enable-gpl --enable-libx264 --enable-nonfree --enable-gnutls
libavutil 56. 7.100 / 56. 7.100
libavcodec 58. 9.100 / 58. 9.100
libavformat 58. 3.100 / 58. 3.100
libavdevice 58. 0.100 / 58. 0.100
libavfilter 7. 11.101 / 7. 11.101
libswscale 5. 0.101 / 5. 0.101
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
[hls,applehttp @ 0x1d16e70] Opening 'https://path-to-stream.com/chucklist.ts' for reading
[hls,applehttp @ 0x1d16e70] Opening 'https://path-to-stream.com/chucklist.ts' for reading
Input #0, hls,applehttp, from 'https://path-to-stream.com/chucklist.m3u8':
Duration: N/A, start: 38789.189067, bitrate: N/A
Program 0
Metadata:
variant_bitrate : 0
Stream #0:0: Data: timed_id3 (ID3 / 0x20334449)
Metadata:
variant_bitrate : 0
Stream #0:1: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuvj420p(pc, bt709), 1152x864 [SAR 1:1 DAR 4:3], 15 tbr, 90k tbn, 30 tbc
Metadata:
variant_bitrate : 0
Stream #0:2: Audio: aac (LC) ([15][0][0][0] / 0x000F), 16000 Hz, mono, fltp
Metadata:
variant_bitrate : 0
[tcp @ 0x27b36f0] Connection to tcp://localhost:8090 failed (Connection refused), trying next address
[ffm @ 0x237a480] no encoder found for codec id 8
http://localhost:8090/feed1.ffm: Invalid argumentAs you can see, I get an error : no encoder found for codec id 8
It is frutstrating me, because I’m looking for a solution for three days now. I can’t even find a list of encoders and the coresponding ID’s. Do I have to enable maybe something in the ./configure ?My target is to get a stream at : http://localhost:8090/test1.mjpg
Can anyone help me please ?
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generating silence audio using ffmpeg with specific bitrate and duration time less than one second cannot get the audio with the desired bitrate
28 août 2018, par bambooomI’d like to generate a silence audio file using ffmpeg with specific bitrate and the duration is less than one second. I found that the generated audio file does not have the desired bitrate. But if I expand the duration to 2 seconds, the bitrate seems to be correct.
For example :
ffmpeg -f lavfi -i anullsrc=r=22050:cl=mono -t 0.3 -acodec mp3 -ab 48k -y silence.mp3The generated silence.mp3’s bitrate seems not 48kb/s :
$ ffprobe silence.mp3
ffprobe version 3.4.2 Copyright (c) 2007-2018 the FFmpeg developers
built with Apple LLVM version 9.1.0 (clang-902.0.39.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4.2 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --disable-jack --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
Input #0, mp3, from 'silence.mp3':
Metadata:
encoder : Lavf57.83.100
Duration: 00:00:00.37, start: 0.050113, bitrate: 52 kb/s
Stream #0:0: Audio: mp3, 22050 Hz, mono, s16p, 48 kb/sIf the duration is 2 seconds, bitrate seems OK :
$ ffmpeg -f lavfi -i anullsrc=r=22050:cl=mono -t 2 -acodec mp3 -ab 48k -y silence.mp3
$ ffprobe silence.mp3
ffprobe version 3.4.2 Copyright (c) 2007-2018 the FFmpeg developers
built with Apple LLVM version 9.1.0 (clang-902.0.39.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4.2 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --disable-jack --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
Input #0, mp3, from 'silence.mp3':
Metadata:
encoder : Lavf57.83.100
Duration: 00:00:02.06, start: 0.050113, bitrate: 48 kb/s
Stream #0:0: Audio: mp3, 22050 Hz, mono, s16p, 48 kb/sIs there any way to keep the bitrate as desired ?
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Impossible to convert between the formats supported by the filter '...' - Error reinitializing filters
14 novembre 2023, par Fabien BillerI am using this ffmpeg command(values removed for simplicity)


ffmpeg -hwaccel cuvid -c:v h264_cuvid -y -ss 1 -i "FILE0001.MOV" -ss 0 -i "GOPR0621.MP4" -filter_complex 
[0:v][1:v]
 midequalizer
[al];
[al]
 yadif
 lenscorrection
 scale
[vl];
[1:v]
 lenscorrection
 scale
[vr];
[vl][vr]
 hstack=shortest=1 
-an -c:v h264_nvenc -preset slow "output.mp4"


on a machine with a cuda graphics card.


I get


ffmpeg version N-90979-g08032331ac Copyright (c) 2000-2018 the FFmpeg developers
 built with gcc 7.3.0 (GCC)
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
 libavutil 56. 18.100 / 56. 18.100
 libavcodec 58. 19.100 / 58. 19.100
 libavformat 58. 13.101 / 58. 13.101
 libavdevice 58. 4.100 / 58. 4.100
 libavfilter 7. 21.100 / 7. 21.100
 libswscale 5. 2.100 / 5. 2.100
 libswresample 3. 2.100 / 3. 2.100
 libpostproc 55. 2.100 / 55. 2.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000254a8afc0c0] st: 0 edit list: 1 Missing key frame while searching for timestamp: 6006
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000254a8afc0c0] st: 0 edit list 1 Cannot find an index entry before timestamp: 6006.
....
Stream mapping:
 Stream #0:0 (h264_cuvid) -> midequalizer:in0
 Stream #1:0 (h264) -> midequalizer:in1
 Stream #1:0 (h264) -> lenscorrection
 hstack -> Stream #0:0 (h264_nvenc)
 
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!


The same command without CUDA works, ie


ffmpeg -y -ss 1 -i "FILE0001.MOV" -ss 0 -i "GOPR0621.MP4" -filter_complex 
[0:v][1:v]
 midequalizer
[al];
[al]
 yadif
 lenscorrection
 scale
[vl];
[1:v]
 lenscorrection
 scale
[vr];
[vl][vr]
 hstack=shortest=1 
-an "output.mp4"


How do I make it work on a Windows 10 machine with cuda ?


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