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Autres articles (78)

  • 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" (...)

  • 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 (...)

Sur d’autres sites (9589)

  • Correct settings for streaming audio and video to YouTube

    27 novembre 2020, par Claus

    I'm using this script to stream an .mp4 video file with a sound track in .mp3 format :

    


    ffmpeg \
-re \
-i "$VIDEO_SOURCE" \
-thread_queue_size 512 \
-i "$AUDIO_SOURCE" \
-c:v libx264  -pix_fmt yuv420p -preset $QUAL -r $FPS -g $(($FPS *2)) -b:v $VBR \
-c:a $AUDIO_ENCODER -threads 6 -ar 44100 -b:a 128k -bufsize 512k -pix_fmt yuv420p \
-f flv $YOUTUBE_URL/$YOUTUBE_KEY


    


    the video gets displayed correctly on the channel but I cannot get any audio played.

    


    No error message on the console. What am I missing ?

    


  • FFMPEG Ensuring Meta Data Is Correct

    11 octobre 2020, par Devin Dixon

    I have to take any kind of video format (mp4, mov, flv,etc) and convert it h264 mp4. My command currently looks like this :

    


    ffmpeg -i input_video.mov -pix_fmt yuv420p  -crf 20 -acodec aac -strict -2 -b:a 384k -vcodec libx264 -f mp4 -movflags faststart -max_muxing_queue_size 9999 out_video.mp4


    


    Sometimes the meta data is not copied correctly, and this causes issue especially when streaming. Is there a fool proof way of copying the meta from the original file or recreating the meta ?

    


  • qsvdec : Pass the correct profile to libmfx

    26 octobre 2016, par Mark Thompson
    qsvdec : Pass the correct profile to libmfx

    This was correct for H.26[45], because libmfx uses the same values
    
derived from profile_idc and the constraint_set flags, but it is
    
wrong for other codecs.
    

    Also avoid passing FF_LEVEL_UNKNOWN (-99) as the level, as this is
    
certainly invalid.
    • [DBH] libavcodec/qsv.c
    • [DBH] libavcodec/qsv_internal.h
    • [DBH] libavcodec/qsvdec.c

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