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Autres articles (61)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

Sur d’autres sites (8375)

  • Trying to install ffmpeg with brew and I keep getting errors related to "dav1d_bottle_manifest"

    13 décembre 2022, par Jonathan Doe

    I am trying to do some basic DSP in python and in order to play some of my audio files I need to install ffmpeg on my computer.

    


    I am running a 2019 macbook pro.

    


    When I run brew intsall ffmpeg -d

    


    I get this on my terminal output

    


    rm: /usr/local/Homebrew/.git/TMP_FETCH_FAILURES: is a directory
rm: /usr/local/Homebrew/.git/TMP_FETCH_FAILURES: is a directory
Running `brew update --auto-update`...


    


    This auto update just runs forever with no updates of any kind. I'm not sure if it is broken or stuck or what.

    


    I try to manually run :

    


     brew update -d


    


    and the update stalls forever on this section :

    


    + [[ -f /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/.git/FETCH_HEAD ]]
+ touch /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/.git/FETCH_HEAD
+ [[ -z '' ]]
+ [[ 200 == \3\0\4 ]]
+ [[ -n '' ]]
+ local tmp_failure_file=/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/.git/TMP_FETCH_FAILURES
+ rm -f /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/.git/TMP_FETCH_FAILURES
+ [[ -n '' ]]
+ git fetch --tags --force -q origin refs/heads/master:refs/remotes/origin/master


    


    I am having so many problems with brew any help would be appreciated.

    


  • ppc : Clarify and extend the cpuid check

    10 mai 2015, par Luca Barbato
    ppc : Clarify and extend the cpuid check

    Add POWER entries.
    • [DBH] libavutil/ppc/cpu.c

  • How to prescale a frame using ffmpeg and H.265

    20 juillet 2017, par akw

    I want to decode video frames with the H.265 coded (AV_CODEC_ID_HEVC)
    I use the following code :

    AVCodec *hevcCodec = avcodec_find_decoder(AV_CODEC_ID_HEVC);
    
AVCodecContext *avctx  = avcodec_alloc_context3(hevcCodec);
    
avcodec_open2(avctx, hevcCodec, 0);
    
AVFrame *frame = av_frame_alloc();
    
AVPacket pkt;
    
av_init_packet(&pkt);
    
pkt.data = myDataPtr;
    
pkt.size = myDataSize;
    
int got_frame = 0;
    
avcodec_send_packet(avctx, &pkt);
    
if (avcodec_receive_frame(avctx, frame) >=0 ) {
    
        got_frame = 1;
    
        ...
    
}

    This works fine, I got my YUV frame and can process it further (like converting to RGB or scaling, etc.)
    However, I would like to somehow tell the ffmpeg library, to scale the AVFrame while decoding (a scale factor of a power of 2 would be sufficient).
    I don’t want to scale after converting to RGB or use swscale or anything. I have to decode a lot of frames and need a smaller resolution.

    Is it possible to give the AVCodecContext some hints to scale the frames ?
    (I tried setting avctx.width and avctx.height, but this did not help)

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