Recherche avancée

Médias (1)

Mot : - Tags -/Christian Nold

Autres articles (72)

  • Menus personnalisés

    14 novembre 2010, par

    MediaSPIP utilise le plugin Menus pour gérer plusieurs menus configurables pour la navigation.
    Cela permet de laisser aux administrateurs de canaux la possibilité de configurer finement ces menus.
    Menus créés à l’initialisation du site
    Par défaut trois menus sont créés automatiquement à l’initialisation du site : Le menu principal ; Identifiant : barrenav ; Ce menu s’insère en général en haut de la page après le bloc d’entête, son identifiant le rend compatible avec les squelettes basés sur Zpip ; (...)

  • Participer à sa traduction

    10 avril 2011

    Vous 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 (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

Sur d’autres sites (10922)

  • Pushing data to web-browser while processing input from ffmpeg

    6 septembre 2013, par Stacked

    I want to push output of this directly to the user using PHP/Python :

    wget -qO- "http://my-video-stream-input.url/here" | ffmpeg -i pipe:0 -ab 192000 -acodec libmp3lame -map_metadata -1 -vn 1378457645_myfile.mp3

    The above command takes the input stream and converts on-the-fly it to audio without waiting for full-file to download, this works perfectly at terminal. Now, I need to push the ffmpeg processed output audio to the web-browser, once again on-the-fly without completing the full transcode, like :

    Wget->ffmpeg->Web-browser in real-time

    I tried the below in PHP but this results in 0 byte file-downloads :

    $cmd = "wget -qO- "http://my-video-stream-input.url/here" | ffmpeg -i pipe:0 -ab 192000 -acodec libmp3lame -map_metadata -1 -vn 1378457645_myfile.mp3";
    header('Content-type: audio/mpeg');
    header("Content-Type: application/octet-stream");
    header("Content-Disposition: attachment; filename=\"1378457645_myfile.mp3\"");
    passthru($cmd);

    Adding 2>&1 to the $cmd shows downloads a 3.6 KB file with following

     ffmpeg version 0.7.15, Copyright (c) 2000-2013 the FFmpeg developers
     built on Feb 22 2013 07:22:31 with gcc 4.4.5
     configuration: --enable-libdc1394 --prefix=/usr --extra-cflags='-Wall -g ' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-avfilter --enable-libdirac --disable-decoder=libdirac --enable-libfreetype --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --extra-libs=-lgcrypt --disable-altivec --disable-armv5te --disable-armv6 --disable-vis
     libavutil    50. 43. 0 / 50. 43. 0
     libavcodec   52.123. 0 / 52.123. 0
     libavformat  52.111. 0 / 52.111. 0
     libavdevice  52.  5. 0 / 52.  5. 0
     libavfilter   1. 80. 0 /  1. 80. 0
     libswscale    0. 14. 1 /  0. 14. 1
     libpostproc  51.  2. 0 / 51.  2. 0
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'pipe:0':
     Duration: 00:02:54.75, start: 164.745578, bitrate: N/A
       Stream #0.0(und): Audio: aac, 44100 Hz, stereo, s16
       Metadata:
         creation_time   : 2013-08-30 05:36:13
    Output #0, mp3, to '1378458744_myfile.mp3':
     Metadata:
       TSSE            : Lavf52.111.0
       Stream #0.0(und): Audio: libmp3lame, 44100 Hz, stereo, s16, 192 kb/s
       Metadata:
         creation_time   : 2013-08-30 05:36:13
    Stream mapping:
     Stream #0.0 -> #0.0
    size=     134kB time=00:00:05.69 bitrate= 192.3kbits/s    
    size=     263kB time=00:00:11.23 bitrate= 192.1kbits/s    
    size=     386kB time=00:00:16.45 bitrate= 192.1kbits/s    
    size=     515kB time=00:00:21.96 bitrate= 192.1kbits/s    
    size=     637kB time=00:00:27.16 bitrate= 192.1kbits/s    
    size=     765kB time=00:00:32.62 bitrate= 192.0kbits/s    
    size=     884kB time=00:00:37.69 bitrate= 192.0kbits/s    
    size=    1011kB time=00:00:43.12 bitrate= 192.0kbits/s    
    size=    1134kB time=00:00:48.37 bitrate= 192.0kbits/s    
    size=    1253kB time=00:00:53.47 bitrate= 192.0kbits/s    
    size=    1379kB time=00:00:58.82 bitrate= 192.0kbits/s    
    size=    1508kB time=00:01:04.31 bitrate= 192.0kbits/s    
    size=    1632kB time=00:01:09.64 bitrate= 192.0kbits/s    
    size=    1758kB time=00:01:14.99 bitrate= 192.0kbits/s    
    size=    1883kB time=00:01:20.35 bitrate= 192.0kbits/s    
    size=    2010kB time=00:01:25.76 bitrate= 192.0kbits/s    
    size=    2141kB time=00:01:31.35 bitrate= 192.0kbits/s    
    size=    2265kB time=00:01:36.65 bitrate= 192.0kbits/s    
    size=    2389kB time=00:01:41.92 bitrate= 192.0kbits/s    
    size=    2515kB time=00:01:47.31 bitrate= 192.0kbits/s    
    size=    2637kB time=00:01:52.50 bitrate= 192.0kbits/s    
    size=    2767kB time=00:01:58.04 bitrate= 192.0kbits/s    
    size=    2888kB time=00:02:03.21 bitrate= 192.0kbits/s    
    size=    3017kB time=00:02:08.70 bitrate= 192.0kbits/s    
    size=    3142kB time=00:02:14.06 bitrate= 192.0kbits/s    
    size=    3266kB time=00:02:19.33 bitrate= 192.0kbits/s    
    size=    3391kB time=00:02:24.66 bitrate= 192.0kbits/s    
    size=    3518kB time=00:02:30.07 bitrate= 192.0kbits/s    
    size=    3650kB time=00:02:35.71 bitrate= 192.0kbits/s    
    size=    3778kB time=00:02:41.20 bitrate= 192.0kbits/s    
    size=    3862kB time=00:02:44.78 bitrate= 192.0kbits/s    
    video:0kB audio:3862kB global headers:0kB muxing overhead 0.004804%
  • How to choosing audio stream

    5 septembre 2013, par user2696962

    I want to choose the first audio stream. but for some reason, it's not working. it's always choosing the last audio stream

    what i've tried

    ffmpeg -i test.avi -vf "movie=watermark_720.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:10 [out]" -map 0:0 -map 0:1 -y -ar 44100 -ac 1 -vcodec libx264 -b 555K -threads 0 test.2.flv

    ffmpeg -i test.avi

    ffmpeg -i test.avi
    ffmpeg version 1.2.3 Copyright (c) 2000-2013 the FFmpeg developers
     built on Sep  5 2013 03:04:34 with gcc 4.7 (Debian 4.7.1-2)
     configuration: --enable-gpl --enable-libass --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-version3
     libavutil      52. 18.100 / 52. 18.100
     libavcodec     54. 92.100 / 54. 92.100
     libavformat    54. 63.104 / 54. 63.104
     libavdevice    54.  3.103 / 54.  3.103
     libavfilter     3. 42.103 /  3. 42.103
     libswscale      2.  2.100 /  2.  2.100
     libswresample   0. 17.102 /  0. 17.102
     libpostproc    52.  2.100 / 52.  2.100
    Input #0, avi, from 'test.avi':
     Metadata:
       encoder         : VirtualDubMod 1.5.10.2 (build 2540/release)
     Duration: 01:37:21.64, start: 0.000000, bitrate: 2018 kb/s
       Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 720x404 [SAR 1:1 DAR 180:101], 29.97 tbr, 29.97 tbn, 29.97 tbc
       Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo, fltp, 160 kb/s
       Stream #0:2: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1(side), fltp, 448 kb/s

    test.2.flv comes out with Stream #0:2: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1(side), fltp, 448 kb/s

  • FFMpeg - Merge multiple rtmp stream inputs to a single rtmp output

    5 septembre 2013, par Paulo Miguel Almeida

    I'm trying to combine/merge two rtmp streams and then publish 'em to another stream

    Ex. :

    ffmpeg -i rtmp://ip:1935/live/micMyStream7 -i rtmp://ip:1935/live/MyStream7  -strict -2  -f flv rtmp://ip:1935/live/bcove7

    The scenario is the following, I got a stream which comes from an user's microphone that
    is the first one (micMyStream7) and I also got a stream from another user but this one has audio and video(MyStream7).

    As they are talking to each other when a user is speaking, the other one would only be listening to and vice versa.

    My idea is to set up a third stream called (bcove) which would "merge" both of them so that I could have spectators who would only be listening to the entire conversation between them.

    This is the log that ffmpeg printed although I couldn't recognize any message which helped me out.

    paulo@paulo-desktop:~$ ffmpeg -re -i rtmp://ip:1935/live/micMyStream7 -i rtmp://ip:1935/live/MyStream7  -strict -2  -f flv rtmp://ip:1935/live/bcove7
    ffmpeg version N-56029-g2ffead9 Copyright (c) 2000-2013 the FFmpeg developers
     built on Sep  4 2013 11:05:57 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
     configuration:
     libavutil      52. 43.100 / 52. 43.100
     libavcodec     55. 31.100 / 55. 31.100
     libavformat    55. 16.100 / 55. 16.100
     libavdevice    55.  3.100 / 55.  3.100
     libavfilter     3. 83.102 /  3. 83.102
     libswscale      2.  5.100 /  2.  5.100
     libswresample   0. 17.103 /  0. 17.103
    Input #0, flv, from 'rtmp://ip:1935/live/micMyStream7':
     Metadata:
       author          :
       copyright       :
       description     :
       keywords        :
       rating          :
       title           :
       presetname      : Medium Bandwidth (300 Kbps) - VP6
       creationdate    : Wed Sep  4 16:41:52 2013
                       :
       videodevice     : Built-in iSight
       videokeyframe_frequency: 5
       audiodevice     : External microphone
       audiochannels   : 1
       audioinputvolume: 75
     Duration: N/A, start: 0.000000, bitrate: 253 kb/s
       Stream #0:0: Video: vp6f, yuv420p, 320x240, 204 kb/s, 44.83 tbr, 1k tbn, 1k tbc
       Stream #0:1: Audio: mp3, 22050 Hz, mono, s16p, 49 kb/s
    Input #1, flv, from 'rtmp://ip:1935/live/MyStream7':
     Metadata:
       author          :
       copyright       :
       description     :
       keywords        :
       rating          :
       title           :
       presetname      : Custom
       creationdate    : Wed Sep  4 12:02:24 2013
                       :
       videodevice     : FaceTime HD Camera (Built-in)
       videokeyframe_frequency: 5
       audiodevice     : Internal microphone
       audiochannels   : 1
       audioinputvolume: 75
     Duration: N/A, start: 0.000000, bitrate: 253 kb/s
       Stream #1:0: Video: vp6f, yuv420p, 320x240, 204 kb/s, 45.08 tbr, 1k tbn, 1k tbc
       Stream #1:1: Audio: mp3, 22050 Hz, mono, s16p, 49 kb/s
    Output #0, flv, to 'rtmp://ip:1935/live/bcove7':
     Metadata:
       author          :
       copyright       :
       description     :
       keywords        :
       rating          :
       title           :
       presetname      : Medium Bandwidth (300 Kbps) - VP6
       creationdate    : Wed Sep  4 16:41:52 2013
                       :
       videodevice     : Built-in iSight
       videokeyframe_frequency: 5
       audiodevice     : External microphone
       audiochannels   : 1
       audioinputvolume: 75
       encoder         : Lavf55.16.100
       Stream #0:0: Video: flv1 (flv) ([2][0][0][0] / 0x0002), yuv420p, 320x240, q=2-31, 200 kb/s, 1k tbn, 44.83 tbc
       Stream #0:1: Audio: adpcm_swf ([1][0][0][0] / 0x0001), 22050 Hz, mono, s16, 88 kb/s
    Stream mapping:
     Stream #0:0 -> #0:0 (vp6f -> flv)
     Stream #0:1 -> #0:1 (mp3 -> adpcm_swf)
    Press [q] to stop, [?] for help
    [mp3 @ 0x3625ec0] overread, skip -9 enddists: -3 -300:14.44 bitrate= 224.0kbits/s    
    [mp3 @ 0x3625ec0] overread, skip -7 enddists: -3 -30:26.39 bitrate= 203.5kbits/s  

    Thanks in advance