
Recherche avancée
Médias (2)
-
Valkaama DVD Label
4 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Image
-
Podcasting Legal guide
16 mai 2011, par
Mis à jour : Mai 2011
Langue : English
Type : Texte
Autres articles (72)
-
Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
Librairies et logiciels spécifiques aux médias
10 décembre 2010, parPour un fonctionnement correct et optimal, plusieurs choses sont à prendre en considération.
Il est important, après avoir installé apache2, mysql et php5, d’installer d’autres logiciels nécessaires dont les installations sont décrites dans les liens afférants. Un ensemble de librairies multimedias (x264, libtheora, libvpx) utilisées pour l’encodage et le décodage des vidéos et sons afin de supporter le plus grand nombre de fichiers possibles. Cf. : ce tutoriel ; FFMpeg avec le maximum de décodeurs et (...)
Sur d’autres sites (7775)
-
Merge commit ’3ec6f855d0f21d90a0494fb798c4cf203fdb3db0’
27 mars 2017, par Clément BœschMerge commit ’3ec6f855d0f21d90a0494fb798c4cf203fdb3db0’
* commit ’3ec6f855d0f21d90a0494fb798c4cf203fdb3db0’ :
srt : Adjust signedness of sscanf format stringsThis commit is a noop, a different fix is included in the big -Wformat
patch under review
(http://ffmpeg.org/pipermail/ffmpeg-devel/2017-March/209239.html)Merged-by : Clément Bœsch <u@pkh.me>
-
Merge commit '6c916192f3d7441f5896f6c0fe151874fcd91fe4'
9 avril 2017, par Clément BœschMerge commit '6c916192f3d7441f5896f6c0fe151874fcd91fe4'
* commit '6c916192f3d7441f5896f6c0fe151874fcd91fe4' :
mimic : Convert to the new bitstream reader
metasound : Convert to the new bitstream reader
lagarith : Convert to the new bitstream reader
indeo : Convert to the new bitstream reader
imc : Convert to the new bitstream reader
webp : Convert to the new bitstream readerThis merge is a noop, see
http://ffmpeg.org/pipermail/ffmpeg-devel/2017-April/209609.htmlMerged-by : Clément Bœsch <u@pkh.me>
-
FFmpeg rtp streaming opus file problems
22 avril 2017, par Yuriy Aizenbergi have the next situation.
- Have file on remote VPS server.
- I want that this file (opus codec) can be accessible through RTP on my android phone.
-
I tried ffmpeg with next command :
ffmpeg -ar 44800 -i bon_jovi_loverboy.opus -acodec libopus -ac 1 -ab 96k -vn -f rtp rtp://127.0.0.1:5004 -loglevel 56
But got next error :
bon_jovi_loverboy.opus: Invalid data found when processing input
Full log :
root@cs82932 :/home/rstream/rtstream/src# ffmpeg -ar 44800 -i bon_jovi_loverboy.opus -acodec libopus -ac 1 -ab 96k -vn -f rtp rtp ://127.0.0.1:5004 -loglevel 56
ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1 16.04.4) 20160609
configuration : —prefix=/usr —extra-version=0ubuntu0.16.04.1 —build-suffix=-ffmpeg —toolchain=hardened —libdir=/usr/lib/x86_64-linux-gnu —incdir=/usr/include/x86_64-linux-gnu —cc=cc —cxx=g++ —enable-gpl —enable-shared —disable-stripping —disable-decoder=libopenjpeg —disable-decoder=libschroedinger —enable-avresample —enable-avisynth —enable-gnutls —enable-ladspa —enable-libass —enable-libbluray —enable-libbs2b —enable-libcaca —enable-libcdio —enable-libflite —enable-libfontconfig —enable-libfreetype —enable-libfribidi —enable-libgme —enable-libgsm —enable-libmodplug —enable-libmp3lame —enable-libopenjpeg —enable-libopus —enable-libpulse —enable-librtmp —enable-libschroedinger —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-libzvbi —enable-openal —enable-opengl —enable-x11grab —enable-libdc1394 —enable-libiec61883 —enable-libzmq —enable-frei0r —enable-libx264 —enable-libopencv
libavutil 54. 31.100 / 54. 31.100
libavcodec 56. 60.100 / 56. 60.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 40.101 / 5. 40.101
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
Splitting the commandline.
Reading option ’-ar’ ... matched as option ’ar’ (set audio sampling rate (in Hz)) with argument ’44800’.Reading option ’-i’ ... matched as input url with argument ’bon_jovi_loverboy.opus’.
Reading option ’-acodec’ ... matched as option ’acodec’ (force audio codec (’copy’ to copy stream)) with argument ’libopus’.
Reading option ’-ac’ ... matched as option ’ac’ (set number of audio channels) with argument ’1’.
Reading option ’-ab’ ... matched as option ’ab’ (audio bitrate (please use -b:a)) with argument ’96k’.
Reading option ’-vn’ ... matched as option ’vn’ (disable video) with argument ’1’.
Reading option ’-f’ ... matched as option ’f’ (force format) with argument ’rtp’.
Reading option ’rtp ://127.0.0.1:5004’ ... matched as output url.
Reading option ’-loglevel’ ... matched as option ’loglevel’ (set logging level) with argument ’56’.
Finished splitting the commandline.
Parsing a group of options : global .
Applying option loglevel (set logging level) with argument 56.Successfully parsed a group of options.
Parsing a group of options : input url bon_jovi_loverboy.opus.
Applying option ar (set audio sampling rate (in Hz)) with argument 44800.
Successfully parsed a group of options.
Opening an input file : bon_jovi_loverboy.opus.[AVIOContext @ 0x965e60] Statistics : 36389 bytes read, 0 seeks
bon_jovi_loverboy.opus : Invalid data found when processing inputWhat wrong ? Thanks
UPD
I update ffmpeg and streaming looks successfully.
ffmpeg -stream_loop -1 -i 4a6u7-ptl2w.opus -acodec libopus -ac 1 -ab
96k -vn -f rtp rtp://95.213.195.192:5004/f.opus
ffmpeg version 3.2.4-1~16.04.york1 Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 5.4.1 (Ubuntu 5.4.1-5ubuntu2~16.04.york1) 20170210
configuration: --prefix=/usr --extra-version='1~16.04.york1' --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 --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --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, ogg, from '4a6u7-ptl2w.opus':
Duration: 00:02:34.21, start: 0.000000, bitrate: 69 kb/s
Stream #0:0: Audio: opus, 48000 Hz, stereo, fltp
Metadata:
ENCODER : Lavc57.77.100 libopus
Output #0, rtp, to 'rtp://95.213.195.192:5004/f.opus':
Metadata:
encoder : Lavf57.56.101
Stream #0:0: Audio: opus (libopus), 48000 Hz, mono, flt, 96 kb/s
Metadata:
encoder : Lavc57.64.101 libopus
SDP:
v=0
o=- 0 0 IN IP4 127.0.0.1
s=No Name
c=IN IP4 95.213.195.192
t=0 0
a=tool:libavformat 57.56.101
m=audio 5004 RTP/AVP 97
b=AS:96
a=rtpmap:97 opus/48000/2
Stream mapping:
Stream #0:0 -> #0:0 (opus (native) -> opus (libopus))
Press [q] to stop, [?] for help
size= 44893kB time=00:52:18.12 bitrate= 117.2kbits/s speed=56.5xBut when i try to connect by rtp from local PC (VLC Player) i get the exception :
core error: socket bind error: Cannot assign requested address
core error: open of `rtp://95.213.195.192:5004/f.opus' failedWhen i try ffplay on remote pc (same where ffmpeg) :
ffplay rtp://95.213.195.192:5004/f.opus
ffplay version 3.2.4-1~16.04.york1 Copyright (c) 2003-2017 the FFmpeg developers
built with gcc 5.4.1 (Ubuntu 5.4.1-5ubuntu2~16.04.york1) 20170210
configuration: --prefix=/usr --extra-version='1~16.04.york1' --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 --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --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
Segmentation faultCan you help me ? Thanks
95.213.195.192 - IP of my remote server with file