Recherche avancée
Autres articles (17)
-
ANNEXE : Les plugins utilisés spécifiquement pour la ferme
5 mars 2010, parLe site central/maître de la ferme a besoin d’utiliser plusieurs plugins supplémentaires vis à vis des canaux pour son bon fonctionnement. le plugin Gestion de la mutualisation ; le plugin inscription3 pour gérer les inscriptions et les demandes de création d’instance de mutualisation dès l’inscription des utilisateurs ; le plugin verifier qui fournit une API de vérification des champs (utilisé par inscription3) ; le plugin champs extras v2 nécessité par inscription3 (...)
-
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 (...) -
Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)
Sur d’autres sites (4748)
-
ffserver — live streaming to iOS, Android, Flash
12 juillet 2013, par Stanislav SaranchinI'm creating live streaming transcoding from IPTV to Web into several formats like WebM, Flash, HLS using FFServer and FFMpeg at once.
ffserver.conf located at http://pastebin.com/hUky5Jsh
Translating of source-stream to FFServer :
ffmpeg -i udp://239.192.192.1:1234 -s 560x320 http://localhost:8090/feed.ffmFFServer's logs showing next :
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: GET /feed.ffm
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [GET] "/feed.ffm HTTP/1.1" 200 4175
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: POST /feed.ffm
Fri Jul 12 11:39:50 2013 Feed '/tmp/feed.ffm' stream number does not match registered feed
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [POST] "/feed.ffm HTTP/1.1" 200 4096My brain is very hot after googling solution on the Internet.
FFServer :
ffserver version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
FFMpeg :
ffmpeg version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
Source-stream is :
Input #0, mpegts, from 'udp://239.192.192.1:1234':
Duration: N/A, start: 80091.027433, bitrate: 192 kb/s
Program 702
Stream #0:0[0x322]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 544x576 [SAR 32:17 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x386](rus): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s -
ffserver — live streaming to iOS, Android, Flash
12 juillet 2013, par Stanislav SaranchinI'm creating live streaming transcoding from IPTV to Web into several formats like WebM, Flash, HLS using FFServer and FFMpeg at once.
ffserver.conf located at http://pastebin.com/hUky5Jsh
Translating of source-stream to FFServer :
ffmpeg -i udp://239.192.192.1:1234 -s 560x320 http://localhost:8090/feed.ffmFFServer's logs showing next :
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: GET /feed.ffm
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [GET] "/feed.ffm HTTP/1.1" 200 4175
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: POST /feed.ffm
Fri Jul 12 11:39:50 2013 Feed '/tmp/feed.ffm' stream number does not match registered feed
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [POST] "/feed.ffm HTTP/1.1" 200 4096My brain is very hot after googling solution on the Internet.
FFServer :
ffserver version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
FFMpeg :
ffmpeg version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
Source-stream is :
Input #0, mpegts, from 'udp://239.192.192.1:1234':
Duration: N/A, start: 80091.027433, bitrate: 192 kb/s
Program 702
Stream #0:0[0x322]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 544x576 [SAR 32:17 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x386](rus): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s -
FFMPEG options for video streaming
26 février 2014, par YorgZI am trying to use ffmpeg to stream video using ffserver. You will find below the ffserver1.conf file, and the log output from the ffmpeg command.
One of the errors references presets, and everytime I try to use presets I get the error "File not found, even after copying all the preset files in the current directory.
Thanks for the help.
YorgZ
FFSERVER CONF
YorgZ-Macbook$cat ffserver1.conf
Port 8090
BindAddress 0.0.0.0
MaxHTTPConnections 2000
MaxClients 1000
MaxBandwidth 4000
CustomLog -
<feed>
File feed1.ffm
FileMaxSize 1G
ACL allow 127.0.0.1
ACL allow localhost
ACL allow 10.0.0.0 10.0.255.255
</feed>
<stream>
Feed feed1.ffm
Format mp4
VideoFrameRate 29.97
VideoBitRate 500
VideoSize 640x352
</stream>
<stream>
Format status
ACL allow localhost
ACL allow 10.0.0.0 10.0.255.255
</stream>
YorgZ-Macbook$
FFMPEG COMMAND AND LOG
YorgZ-Macbook$./ffmpeg -loglevel debug -i TestStream.mp4 -codec:v libx264 -b:v 500k -vf "scale=640:352" -r 29.97 -codec:a aac -b:a 128k http://127.0.0.1:8090/feed1.ffm
ffmpeg version 2.1.3-tessus Copyright (c) 2000-2013 the FFmpeg developers
built on Jan 16 2014 13:50:59 with llvm-gcc 4.2.1 (LLVM build 2336.1.00)
configuration: --prefix=/Users/tessus/data/ext/ffmpeg/sw --as=yasm --extra-version=tessus --disable-shared --enable-static --disable-ffplay --enable-gpl --enable-pthreads --enable-postproc --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-libspeex --enable-bzlib --enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-version3 --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvpx --enable-libgsm --enable-libopus --enable-fontconfig --enable-libfreetype --enable-libass --enable-libbluray --enable-filters --enable-runtime-cpudetect
libavutil 52. 48.101 / 52. 48.101
libavcodec 55. 39.101 / 55. 39.101
libavformat 55. 19.104 / 55. 19.104
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 90.100 / 3. 90.100
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input file with argument 'TestStream.mp4'.
Reading option '-codec:v' ... matched as option 'codec' (codec name) with argument 'libx264'.
Reading option '-b:v' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '500k'.
Reading option '-vf' ... matched as option 'vf' (set video filters) with argument 'scale=640:352'.
Reading option '-r' ... matched as option 'r' (set frame rate (Hz value, fraction or abbreviation)) with argument '29.97'.
Reading option '-codec:a' ... matched as option 'codec' (codec name) with argument 'aac'.
Reading option '-b:a' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '128k'.
Reading option 'http://127.0.0.1:8090/feed1.ffm' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file TestStream.mp4.
Successfully parsed a group of options.
Opening an input file: TestStream.mp4.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10201a200] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10201a200] ISO: File Type Major Brand: mp42
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10201a200] File position before avformat_find_stream_info() is 33783
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10201a200] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x10201a200] File position after avformat_find_stream_info() is 64138
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'TestStream.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2014-02-17 10:17:06
Duration: 00:01:40.10, start: 0.000000, bitrate: 582 kb/s
Stream #0:0(und), 15, 1/30000: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 1001/60000, 483 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und), 1, 1/44100: Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 95 kb/s (default)
Metadata:
creation_time : 2014-02-17 10:17:06
handler_name : IsoMedia File Produced by Google, 5-11-2011
Successfully opened the file.
Parsing a group of options: output file http://127.0.0.1:8090/feed1.ffm.
Applying option codec:v (codec name) with argument libx264.
Applying option b:v (video bitrate (please use -b:v)) with argument 500k.
Applying option vf (set video filters) with argument scale=640:352.
Applying option r (set frame rate (Hz value, fraction or abbreviation)) with argument 29.97.
Applying option codec:a (codec name) with argument aac.
Applying option b:a (video bitrate (please use -b:v)) with argument 128k.
Successfully parsed a group of options.
Opening an output file: http://127.0.0.1:8090/feed1.ffm.
[ffm @ 0x102037200] Format ffm probed with size=2048 and score=101
[AVIOContext @ 0x101d04fe0] Statistics: 4096 bytes read, 0 seeks
Mon Feb 24 11:53:05 2014 127.0.0.1 - - [GET] "/feed1.ffm HTTP/1.1" 200 4175
Successfully opened the file.
detected 8 logical cores
[graph 0 input from stream 0:1 @ 0x101d05a20] Setting 'time_base' to value '1/44100'
[graph 0 input from stream 0:1 @ 0x101d05a20] Setting 'sample_rate' to value '44100'
[graph 0 input from stream 0:1 @ 0x101d05a20] Setting 'sample_fmt' to value 'fltp'
[graph 0 input from stream 0:1 @ 0x101d05a20] Setting 'channel_layout' to value '0x3'
[graph 0 input from stream 0:1 @ 0x101d05a20] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[audio format for output stream 0:0 @ 0x102d004e0] Setting 'sample_fmts' to value 's16'
[audio format for output stream 0:0 @ 0x102d004e0] Setting 'sample_rates' to value '22050'
[audio format for output stream 0:0 @ 0x102d004e0] Setting 'channel_layouts' to value '0x4'
[audio format for output stream 0:0 @ 0x102d004e0] auto-inserting filter 'auto-inserted resampler 0' between the filter 'Parsed_anull_0' and the filter 'audio format for output stream 0:0'
[AVFilterGraph @ 0x101d03ea0] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
0.500000 0.500000
[auto-inserted resampler 0 @ 0x102d00ca0] ch:2 chl:stereo fmt:fltp r:44100Hz -> ch:1 chl:mono fmt:s16 r:22050Hz
[graph 1 input from stream 0:0 @ 0x103b003a0] Setting 'video_size' to value '640x360'
[graph 1 input from stream 0:0 @ 0x103b003a0] Setting 'pix_fmt' to value '0'
[graph 1 input from stream 0:0 @ 0x103b003a0] Setting 'time_base' to value '1/30000'
[graph 1 input from stream 0:0 @ 0x103b003a0] Setting 'pixel_aspect' to value '1/1'
[graph 1 input from stream 0:0 @ 0x103b003a0] Setting 'sws_param' to value 'flags=2'
[graph 1 input from stream 0:0 @ 0x103b003a0] Setting 'frame_rate' to value '30000/1001'
[graph 1 input from stream 0:0 @ 0x103b003a0] w:640 h:360 pixfmt:yuv420p tb:1/30000 fr:30000/1001 sar:1/1 sws_param:flags=2
[scaler for output stream 0:1 @ 0x103b00900] Setting 'w' to value '640'
[scaler for output stream 0:1 @ 0x103b00900] Setting 'h' to value '352'
[scaler for output stream 0:1 @ 0x103b00900] Setting 'flags' to value '0x4'
[scaler for output stream 0:1 @ 0x103b00900] w:640 h:352 flags:'0x4' interl:0
[format @ 0x103b00dc0] compat: called with args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16]
[format @ 0x103b00dc0] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16'
[AVFilterGraph @ 0x102d00fc0] query_formats: 5 queried, 4 merged, 0 already done, 0 delayed
[scaler for output stream 0:1 @ 0x103b00900] w:640 h:360 fmt:yuv420p sar:1/1 -> w:640 h:352 fmt:yuv420p sar:44/45 flags:0x4
[libx264 @ 0x102049800] broken ffmpeg default settings detected
[libx264 @ 0x102049800] use an encoding preset (e.g. -vpre medium)
[libx264 @ 0x102049800] preset usage: -vpre <speed> -vpre <profile>
[libx264 @ 0x102049800] speed presets are listed in x264 --help
[libx264 @ 0x102049800] profile is optional; x264 defaults to high
Output #0, ffm, to 'http://127.0.0.1:8090/feed1.ffm':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : now
Stream #0:0(und), 0, 1/1000000: Audio: aac (libvo_aacenc), 22050 Hz, mono, s16, 128 kb/s (default)
Metadata:
creation_time : 2014-02-17 10:17:06
handler_name : IsoMedia File Produced by Google, 5-11-2011
Stream #0:1(und), 0, 1/1000000: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 640x352 [SAR 44:45 DAR 16:9], 1001/30000, q=2-31, 500 kb/s, 1000k tbn, 29.97 tbc (default)
Metadata:
handler_name : VideoHandler
Stream mapping:
Stream #0:1 -> #0:0 (aac -> libvo_aacenc)
Stream #0:0 -> #0:1 (h264 -> libx264)
Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height
[AVIOContext @ 0x101d04fe0] Statistics: 0 seeks, 0 writeouts
[AVIOContext @ 0x101d03fa0] Statistics: 65536 bytes read, 0 seeks
Mon Feb 24 11:53:05 2014 127.0.0.1 - - [POST] "/feed1.ffm HTTP/1.1" 200 0
YorgZ-Macbook$
</profile></speed>
Syndiquer tout le site
