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  • XMP PHP

    13 mai 2011, par

    Dixit Wikipedia, XMP signifie :
    Extensible Metadata Platform ou XMP est un format de métadonnées basé sur XML utilisé dans les applications PDF, de photographie et de graphisme. Il a été lancé par Adobe Systems en avril 2001 en étant intégré à la version 5.0 d’Adobe Acrobat.
    Étant basé sur XML, il gère un ensemble de tags dynamiques pour l’utilisation dans le cadre du Web sémantique.
    XMP permet d’enregistrer sous forme d’un document XML des informations relatives à un fichier : titre, auteur, historique (...)

  • 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" (...)

  • Le profil des utilisateurs

    12 avril 2011, par

    Chaque utilisateur dispose d’une page de profil lui permettant de modifier ses informations personnelle. Dans le menu de haut de page par défaut, un élément de menu est automatiquement créé à l’initialisation de MediaSPIP, visible uniquement si le visiteur est identifié sur le site.
    L’utilisateur a accès à la modification de profil depuis sa page auteur, un lien dans la navigation "Modifier votre profil" est (...)

Sur d’autres sites (6525)

  • Android streaming screen [closed]

    21 mai 2013, par blganesh

    Im able to share screen via ffmpeg
    ./ffmpeg -f fbdev -r 24 -i /dev/graphics/fb0 http://localhost:8090/feed1.ffm

    But the output live stream is very slow.
    Following is the conf file which I'm using.

    `Port 8090
    RTSPPort 7654
    BindAddress 0.0.0.0
    RTSPBindAddress 0.0.0.0
    MaxHTTPConnections 2000
    MaxClients 1000
    MaxBandwidth 1000
    CustomLog -
    NoDaemon
    <feed>
    File /data/live1.ffm
    FileMaxSize 40M
    NoAudio
    ACL allow 127.0.0.1
    </feed>
    <stream>
    Feed live1.ffm
    Format mpeg2video
    NoAudio
    VideoBitRate 1024
    VideoFrameRate 1
    VideoBufferSize 10000
    VideoSize 480x800
    VideoQMin 1
    VideoQMax 15
    </stream>`

    Kindly let me know how should I change my conf file to get a fast video output.

  • FFMPEG : i need audio channels 7 & 8 to be the main audio track for a video

    10 avril 2013, par lo_fye

    I have a video with 8 channels of audio.

    I need tracks 7 (Left Stereo) and 8 (Right Stereo) to be the audio for the video (which I'm converting to flv).

    I've tried playing with -filter_complex and the join, amix, and amerge filters, as well as the -map parameter, but I can't seem to find the right combination of values :-/

    Output :

    /usr/local/bin/ffmpeg-1.0/bin/ffmpeg -i &#39;/folder/video_name.mov&#39; -f &#39;flv&#39; \
    -s &#39;320x240&#39; -b &#39;250k&#39; -aspect &#39;4:3&#39; -ac 1 -ab &#39;64k&#39; -ar &#39;22050&#39; -y \
    /folder/video_name.flv

    ffmpeg version N-46241-g09ea482 Copyright (c) 2000-2012 the FFmpeg developers
     built on Nov  5 2012 07:33:09 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-46)
     configuration: --prefix=/usr/local/bin/ffmpeg-1.0
     libavutil      52.  1.100 / 52.  1.100
     libavcodec     54. 70.100 / 54. 70.100
     libavformat    54. 35.100 / 54. 35.100
     libavdevice    54.  3.100 / 54.  3.100
     libavfilter     3. 21.105 /  3. 21.105
     libswscale      2.  1.101 /  2.  1.101
     libswresample   0. 16.100 /  0. 16.100
    Guessed Channel Layout for  Input Stream #0.1 : mono
    Guessed Channel Layout for  Input Stream #0.2 : mono
    Guessed Channel Layout for  Input Stream #0.3 : mono
    Guessed Channel Layout for  Input Stream #0.4 : mono
    Guessed Channel Layout for  Input Stream #0.5 : mono
    Guessed Channel Layout for  Input Stream #0.6 : mono
    Guessed Channel Layout for  Input Stream #0.7 : mono
    Guessed Channel Layout for  Input Stream #0.8 : mono
    Guessed Channel Layout for  Input Stream #0.9 : mono
    Guessed Channel Layout for  Input Stream #0.10 : mono
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#39;/folder/video_name.mov&#39;:
     Metadata:
       major_brand     : qt
       minor_version   : 537199360
       compatible_brands: qt
       creation_time   : 2013-04-03 19:45:26
     Duration: 00:00:39.03, start: 0.000000, bitrate: 122149 kb/s
       Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le, 1920x1080, 110585 kb/s, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 23976 tbn, 23976 tbc
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
         timecode        : 00:59:53:00
       Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:4(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:5(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:6(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:7(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:8(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:9(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:10(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
       Stream #0:11(eng): Data: none (tmcd / 0x64636D74)
       Metadata:
         creation_time   : 2013-04-03 19:45:30
         handler_name    : Apple Alias Data Handler
         timecode        : 00:59:53:00
    Please use -b:a or -b:v, -b is ambiguous
    Output #0, flv, to &#39;/folder/video_name.flv&#39;:
     Metadata:
       major_brand     : qt
       minor_version   : 537199360
       compatible_brands: qt
       encoder         : Lavf54.35.100
       Stream #0:0(eng): Video: flv1 ([2][0][0][0] / 0x0002), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 250 kb/s, 1k tbn, 23.98 tbc
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
         timecode        : 00:59:53:00
       Stream #0:1(eng): Audio: adpcm_swf ([1][0][0][0] / 0x0001), 22050 Hz, mono, s16, 88 kb/s
       Metadata:
         creation_time   : 2013-04-03 19:45:26
         handler_name    : Apple Alias Data Handler
    Stream mapping:
     Stream #0:0 -> #0:0 (prores -> flv)
     Stream #0:1 -> #0:1 (pcm_s24le -> adpcm_swf)
    Press [q] to stop, [?] for help
    frame=   33 fps=0.0 q=2.0 size=     108kB time=00:00:01.99 bitrate= 442.4kbits/s    
    frame=   66 fps= 65 q=2.0 size=     225kB time=00:00:02.97 bitrate= 619.0kbits/s    
    frame=   99 fps= 65 q=2.0 size=     341kB time=00:00:04.96 bitrate= 561.8kbits/s    
    frame=  136 fps= 67 q=2.0 size=     400kB time=00:00:05.99 bitrate= 547.5kbits/s    
    frame=  177 fps= 70 q=3.0 size=     482kB time=00:00:07.98 bitrate= 494.3kbits/s    
    frame=  210 fps= 69 q=3.7 size=     590kB time=00:00:08.96 bitrate= 539.7kbits/s    
    frame=  240 fps= 68 q=6.3 size=     660kB time=00:00:10.01 bitrate= 539.7kbits/s    
    frame=  264 fps= 65 q=6.7 size=     719kB time=00:00:11.01 bitrate= 535.2kbits/s    
    frame=  288 fps= 63 q=8.4 size=     772kB time=00:00:12.02 bitrate= 526.1kbits/s    
    frame=  312 fps= 62 q=15.4 size=     829kB time=00:00:13.65 bitrate= 497.4kbits/s    
    frame=  336 fps= 60 q=10.4 size=     875kB time=00:00:14.02 bitrate= 511.1kbits/s    
    frame=  360 fps= 59 q=10.6 size=     916kB time=00:00:15.01 bitrate= 499.9kbits/s    
    frame=  383 fps= 58 q=17.8 size=     957kB time=00:00:15.97 bitrate= 490.6kbits/s    
    frame=  411 fps= 58 q=6.5 size=    1008kB time=00:00:17.97 bitrate= 459.3kbits/s    
    frame=  437 fps= 57 q=9.7 size=    1046kB time=00:00:18.99 bitrate= 451.3kbits/s    
    frame=  460 fps= 57 q=7.7 size=    1086kB time=00:00:20.01 bitrate= 444.6kbits/s    
    frame=  489 fps= 57 q=11.3 size=    1144kB time=00:00:20.99 bitrate= 446.3kbits/s    
    frame=  512 fps= 56 q=10.3 size=    1182kB time=00:00:22.01 bitrate= 439.8kbits/s    
    frame=  535 fps= 55 q=21.5 size=    1225kB time=00:00:22.98 bitrate= 436.7kbits/s    
    frame=  564 fps= 55 q=18.3 size=    1280kB time=00:00:24.00 bitrate= 436.8kbits/s    
    frame=  587 fps= 55 q=8.5 size=    1311kB time=00:00:24.98 bitrate= 429.7kbits/s    
    frame=  610 fps= 54 q=11.9 size=    1349kB time=00:00:26.00 bitrate= 424.9kbits/s    
    frame=  636 fps= 54 q=7.5 size=    1383kB time=00:00:26.98 bitrate= 419.8kbits/s    
    frame=  659 fps= 54 q=9.6 size=    1421kB time=00:00:28.00 bitrate= 415.6kbits/s    
    frame=  683 fps= 54 q=20.0 size=    1471kB time=00:00:29.02 bitrate= 415.1kbits/s    
    frame=  711 fps= 54 q=6.4 size=    1518kB time=00:00:30.00 bitrate= 414.5kbits/s    
    frame=  742 fps= 54 q=6.2 size=    1558kB time=00:00:31.02 bitrate= 411.5kbits/s    
    frame=  774 fps= 54 q=2.5 size=    1601kB time=00:00:33.01 bitrate= 397.1kbits/s    
    frame=  816 fps= 55 q=2.0 size=    1632kB time=00:00:34.50 bitrate= 387.6kbits/s    
    frame=  861 fps= 56 q=2.0 size=    1670kB time=00:00:35.99 bitrate= 380.1kbits/s    
    frame=  905 fps= 57 q=2.0 size=    1706kB time=00:00:38.03 bitrate= 367.4kbits/s    
    frame=  936 fps= 58 q=2.0 Lsize=    1730kB time=00:00:39.05 bitrate= 362.8kbits/s
    video:1278kB audio:423kB subtitle:0 global headers:0kB muxing overhead 1.654557%
  • Andriod streaming screen [closed]

    9 avril 2013, par blganesh

    Im able to share screen via ffmpeg
    ./ffmpeg -f fbdev -r 24 -i /dev/graphics/fb0 http://localhost:8090/feed1.ffm

    But the output live stream is very slow.
    Following is the conf file which I'm using.

    `Port 8090
    RTSPPort 7654
    BindAddress 0.0.0.0
    RTSPBindAddress 0.0.0.0
    MaxHTTPConnections 2000
    MaxClients 1000
    MaxBandwidth 1000
    CustomLog -
    NoDaemon
    <feed>
    File /data/live1.ffm
    FileMaxSize 40M
    NoAudio
    ACL allow 127.0.0.1
    </feed>
    <stream>
    Feed live1.ffm
    Format mpeg2video
    NoAudio
    VideoBitRate 1024
    VideoFrameRate 1
    VideoBufferSize 10000
    VideoSize 480x800
    VideoQMin 1
    VideoQMax 15
    </stream>`

    Kindly let me know how should I change my conf file to get a fast video output.