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Autres articles (66)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • 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 de tous types de médias

    10 avril 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)

Sur d’autres sites (10848)

  • FFMpeg video recorder - Android

    30 avril 2014, par Ganesh

    I’ve used ffmpeg video recorder for android.

    it has used videocodec as MPEG4.

    private int videoCodec = avcodec.AV_CODEC_ID_MPEG4;

    video is showing android and iphone device. but video not playing on browser only audio playing on browser.

    I’ve checked HTML5 video requires MP4 videos with H264 video codec and AAC audio codec

    Chrome doesn’t display html5 video but plays audio

    I’ve changed videocodec as below

    private int videoCodec = avcodec.AV_CODEC_ID_H264;

    My question is,

    when i use Mpeg4, video croping time is less.
    But when i use H264 , video croping time takes more.

    How to reduce the video croping time when use H264 or anyother videocode support to browser and minimum processing time for video croping.?

  • Why so many partial content requests in Firefox when streaming mp4 video on Apache ?

    11 juin 2015, par degenerate

    Edit : Turns out this is actually a Firefox bug.

    I have several videos on my Apache 2.2 server encoded with ffmpeg using -movflags faststart and they stream fine. However seeking past the buffer line takes an extraordinary amount of time with Firefox (about 30 seconds or more to buffer) whereas Chrome has no problem at all.

    Chrome shows one network request for the mp4 with partial content, but Firefox always shows hundreds of 206 partial content requests in succession when playing the mp4 (open for detail) :

    enter image description here

    Most interesting is how there is one large request after all the small ones. This is the point where the video actually begins playing, and it transferred 26MB out of 1.3MB ? I am not sure what is going on here.

    Can anyone make sense of this ? Compare what I am getting in output to this mp4 file here. It doesn’t happen on that file.

  • Encoding `pp::VideoFrame` and `pp::AudioBuffer` using ffmpeg

    1er août 2015, par Debanshu Kundu

    I am trying to encode video and audio streams captured using getUserMedia and store them in a file using NACL. My current progress is that I have the pp::VideoFrames and pp::AudioBuffers in NACL code and they am storing them a buffers (arrays) and now I want to pass them to a function which would encode them and mux and store in a container format. I am currently trying to do this using ffmpeg (which is already ported to NACL). I was successfully able to run a sample code for muxing a video and a audio streams (generated in the code itself) using ffmpeg.

    Now I am stuck on converting the video frames and audio samples which I have in the buffers to the format which would be acceptable by ffmpeg’s encoder. As I understand it needs those as objects of AVFrame. But I have no idea how I am going to convert pp::VideoFrame and/or pp::AudioBuffer to AVFrame.

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