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  • Ecrire une actualité

    21 juin 2013, par

    Présentez 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 ) (...)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

Sur d’autres sites (3484)

  • How to convert video to `m4v` with `ffmpeg` ?

    9 mai 2016, par Silver Light

    I’m trying to encode a video to m4v, so I can play it using jplayer on my website, but having troubles while specifieng correct parameter to ffmpeg. Here is the command I use :

    ffmpeg -i 1.avi -vcodec mpeg4 -f m4v -qmax 8 1.m4v 2>&1

    The video I get with this command won’t play in jplayer and even in Totem Movie Player (on ubuntu). But if I try the demo video from jplayer website evrything works fine.

    Can anyone give me a hint on what parameters I need to specify to ffmpeg to get a working m4v video, like the one with a bunny ?

  • How can I capture audio AND video simultenaous with ffmpeg from an USB capture device

    5 octobre 2011, par oban

    I'm capturing a video by means of an USB Terratec Grabster AV350 (which is based on the em2860 chip).

    I don't succeed to get the audio when it is played . If I play the captured video with vlc or with ffplay I got only 3 seconds sound and then a silence for the rest of the video ...

    During the capturing I don't get any errors. At the end it indicates the size of the video and audio captured ....

    I'm using the ffmpeg command for this :

    ffmpeg -f alsa -ac 2 -i hw:3 -f video4linux2 -i /dev/video0 -acodec ac3 -ab 128k -vcodec mpeg4 -b 6000k -r 25 test5.avi

    The log is :

    [alsa @ 0x9bcd420]Estimating duration from bitrate, this may be inaccurate
    Input #0, alsa, from 'hw:3' :
    Duration : N/A, start : 69930.998994, bitrate : N/A
    Stream #0.0 : Audio : pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
    [video4linux2 @ 0x9bf5d30]Estimating duration from bitrate, this may be inaccurate
    Input #1, video4linux2, from '/dev/video0' :
    Duration : N/A, start : 1307111377.654173, bitrate : -2147483 kb/s
    Stream #1.0 : Video : rawvideo, yuyv422, 720x576, -2147483 kb/s, 1000k tbr, 1000k tbn, 1000k tbc
    [ac3 @ 0x9bf9590]No channel layout specified. The encoder will guess the layout, but it might be incorrect.
    Output #0, avi, to 'test5.avi' :
    Metadata :
    ISFT : Lavf52.64.2
    Stream #0.0 : Video : mpeg4, yuv420p, 720x576, q=2-31, 6000 kb/s, 25 tbn, 25 tbc
    Stream #0.1 : Audio : ac3, 44100 Hz, stereo, s16, 128 kb/s
    Stream mapping :
    Stream #1.0 -> #0.0
    Stream #0.0 -> #0.1
    Press [q] to stop encoding
    frame= 1283 fps= 25 q=2.3 Lsize= 38677kB time=51.32 bitrate=6173.9kbits/s
    video:37755kB audio:846kB global headers:0kB muxing overhead 0.198922%

    If I reduce the command for only capturing audio, then the audio file can be played successfully :

    ffmpeg -f alsa -ac 2 -i hw:3,0 -acodec ac3 -ab 128k test5.avi

    [alsa @ 0x8ede420]Estimating duration from bitrate, this may be inaccurate
    Input #0, alsa, from 'hw:3,0' :
    Duration : N/A, start : 70395.998935, bitrate : N/A
    Stream #0.0 : Audio : pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
    [ac3 @ 0x8eebac0]No channel layout specified. The encoder will guess the layout, but it might be incorrect.
    Output #0, avi, to 'test5.avi' :
    Metadata :
    ISFT : Lavf52.64.2
    Stream #0.0 : Audio : ac3, 44100 Hz, stereo, s16, 128 kb/s
    Stream mapping :
    Stream #0.0 -> #0.0
    Press [q] to stop encoding
    size= 227kB time=13.62 bitrate= 136.8kbits/s
    video:0kB audio:213kB global headers:0kB muxing overhead 6.902375%

    If I run the command for only video capturing then vlc or ffplay can play the video successfully :

    ffmpeg -f video4linux2 -i /dev/video0 -vcodec mpeg4 -b 12000k -r 25 test5.avi

    [video4linux2 @ 0x91d6420]Estimating duration from bitrate, this may be inaccurate
    Input #0, video4linux2, from '/dev/video0' :
    Duration : N/A, start : 1307112044.025687, bitrate : -2147483 kb/s
    Stream #0.0 : Video : rawvideo, yuyv422, 720x576, -2147483 kb/s, 1000k tbr, 1000k tbn, 1000k tbc
    Output #0, avi, to 'test5.avi' :
    Metadata :
    ISFT : Lavf52.64.2
    Stream #0.0 : Video : mpeg4, yuv420p, 720x576, q=2-31, 12000 kb/s, 25 tbn, 25 tbc
    Stream mapping :
    Stream #0.0 -> #0.0
    Press [q] to stop encoding
    frame= 388 fps= 25 q=2.0 Lsize= 12963kB time=15.52 bitrate=6842.5kbits/s
    video:12949kB audio:0kB global headers:0kB muxing overhead 0.114584%

    Strange behaviour I noticed is that when I tried capturing video and audio, I can not capture the audio afterwards any more,
    unless I unplug the AV350 first.

    The G350 is located at card 3 :

    htpc@htpc-01 :/proc/asound/G350/pcm0c$ more info
    card : 3
    device : 0
    subdevice : 0
    stream : CAPTURE
    id : USB Audio
    name : USB Audio
    subname : subdevice #0
    class : 0
    subclass : 0
    subdevices_count : 1
    subdevices_avail : 1

    The OS is a Linux 2.6.38-8-generic with the Ubuntu Natty Narwhal version

    Any help on how to tackle this issue would be great ....

    Thanks !

  • Separate mxf_essence_container_uls for audio and video.

    10 décembre 2011, par Carl Eugen Hoyos

    Separate mxf_essence_container_uls for audio and video.

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