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Autres articles (86)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • 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 (11017)

  • ffmpage win7 screen record cursor is not normal

    5 avril 2017, par Wesley

    I hit a problem when recording screen on window 7 using ffmpeg.

    Snapshot here :
    enter image description here

    So, you guys see the big red point is recorded mouse cursor.
    I am using PPT default pencil, so, actually, cursor is a very small point.
    But it becomes so big when play.

    Command I use :

    ffmpeg.exe -y -rtbufsize 500M -f gdigrab -framerate 5  -draw_mouse 1 -i desktop -f dshow -i audio=%s -af "highpass=f=200, lowpass=f=3000" -c:v libx264 -r 5 -preset medium -tune zerolatency -crf 35 -pix_fmt yuv420p -c:a libvo_aacenc -ac 2 -b:a 48k  -fs 50M  -movflags +faststart

    Anyone hit this before ?

    Thanks.

    Wesley

  • avcodec/vda : define av_vda_default_init2 when CONFIG_H264_VDA_HWACCEL equ 0

    12 octobre 2016, par Steven Liu
    avcodec/vda : define av_vda_default_init2 when CONFIG_H264_VDA_HWACCEL equ 0

    on OSX :
    
../configure —disable-everything —enable-demuxer=hls make
    
error message : Undefined symbols for architecture x86_64 :
    
"_av_vda_default_init2", referenced from:_videotoolbox_init in
    
ffmpeg_videotoolbox.o
    
so add av_vda_default_init2 when CONFIG_H264_VDA_HWACCEL=0
    

    Signed-off-by : Steven Liu <lq@chinaffmpeg.org>
    
Reviewed-by : wm4 <nfxjfg@googlemail.com>
    
Reviewed-by : Xidorn Quan <quanxunzhen@gmail.com>
    
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavcodec/vda.c

  • Receive multiple RTP, mix, output RTSP stream

    30 octobre 2017, par John

    I’m currently trying to receive multiple RTP audio stream, mixing them, and output RTSP stream by using ffmpeg or ffserver.

    RTP audio stream is send by Android AudioStream.

    Here is code Android side.

    AudioManager audio = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    
audio.setMode(AudioManager.MODE_IN_COMMUNICATION);
    

    
audioGroup = new AudioGroup();
    
audioGroup.setMode(AudioGroup.MODE_ECHO_SUPPRESSION);
    

    
audioStream = new AudioStream(InetAddress.getByAddress(getLocalIPAddress()));
    
audioStream.setCodec(AudioCodec.PCMU);
    
audioStream.setMode(RtpStream.MODE_NORMAL);
    
audioStream.associate(InetAddress.getByName(SipStackAndroid.getRemoteIp()), REMOTE_PORT);
    
audioStream.join(audioGroup);

    Then I prepare server side.

    Here is ffserver.conf

    HTTPPort 5555
    
HTTPBindAddress 0.0.0.0
    
RTSPPort 5454
    
RTSPBindAddress 0.0.0.0
    
MaxHTTPConnections 100
    
MaxClients 1000
    
MaxBandwidth 10000
    
CustomLog -
    

    
<feed>
    
  File /tmp/feed1.ffm
    
  FileMaxSize 500M
    
</feed>
    

    
<stream>
    
  Format rtp
    
  Feed feed1.ffm
    
  AudioBitRate 13
    
  AudioChannels 1
    
  AudioSampleRate 8000
    
  AudioCodec pcm_mulaw
    
  # AudioCodec libmp3lame
    
  NoVideo
    
</stream>

    And here is ffserver or ffmpeg command.

    ffserver -d -f ffserver.conf
    
ffmpeg -i "rtp://192.168.150.10:12345" -acodec auto http://127.0.0.1:5555/feed1.ffm

    I can’t solve how to receive multiple rtp stream and how to mix them.

    Please give some ideas and actual links where I can find an answer.

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