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Autres articles (57)

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • 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 (...)

  • 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 (...)

Sur d’autres sites (4131)

  • FFmpeg AVI to MP4 transcode not playing fully in Quicktime

    11 août 2014, par Joel Kennedy

    I’m trying to transcode an AVI video to an MP4 stream on the fly using FFmpeg which can be watched on a webpage with a HTML5 video tag. I already know that MP4 isn’t designed for streaming, however it is possible if segmented so I’m still trying to use MP4 as it’s the method that I’ve found is best supported by multiple browsers.

    My stream plays fine in many browsers except for Safari on OS X, which is using Quicktime to play the HTML5 video.

    Quicktime only plays a second of the video, and then stops

    You can see in the image above that Quicktime only plays the video for a second, and then stops. I’ve tested the same video source in Google Chrome on OS X, and it continues playing fine even after a second has elapsed.

    I believe this is something to do with the set Duration in the tkhd and mdhd atoms ? User vbence described that "FFMpeg’s muxer will set the Duration in both tkhd and mdhd atoms to 0xffffffff for each track. This causes problems in some players (for example Quicktime will not play such files). You should find a tool and change it to zero (0x00000000)" in an answer here.

    Is there a way of getting FFmpeg to set a longer duration on the video to get Quicktime to continue playing it instead of stopping ? Because I’m transcoding on the fly, I wouldn’t want to use a separate tool apart from FFmpeg as in my situation I can’t transcode and save the video file, I have to transcode and pipe it to the client on request.

    The command that I’m using with FFmpeg to transcode the video is the following :

    ffmpeg -re -i
    http://www.example.com/video/stream?path=videopathhere -g 52
    -reset_timestamps 1 -vsync 1 -flags global_header -vcodec libx264 -strict -2 -f mp4 -b:v 512k -s 1280x720 -movflags frag_keyframe+empty_moov+faststart pipe :

    Any help or pointers in the right direction would be greatly appreciated.

  • Revision 30966 : eviter le moche ’doctype_ecrire’ lors de l’upgrade

    17 août 2009, par fil@… — Log

    eviter le moche ’doctype_ecrire’ lors de l’upgrade

  • Revision 28933 : on bouge

    31 mai 2009, par ben.spip@… — Log

    on bouge

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