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Autres articles (63)

  • 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 (...)

  • Contribute to translation

    13 avril 2011

    You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
    To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
    MediaSPIP is currently available in French and English (...)

  • 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.

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  • How to quantify and compare video quality

    24 mars 2015, par user940154

    I have a set of uncompressed videos in YUV format.

    I have obtained several derived copies in various formats and resolutions from these yuv files using FFmpeg transcoding. (YUVs ----> X Derived Copies)

    What I have also done is, transcode the yuv’s into same resolution AVIs, and now obtained the same set of derived (transcoded) videos treating the AVIs as master. (AVIs ----> X Derived Copies)

    Now I wish to compare the quality of transcoded videos, when derived from AVIs to those derived from YUVs.

    Is there any way for me to do this using FFmpeg. How ? If not, can you please suggest some good open source software to do this.

    Thanks

  • FFMPEG Audio, video out of sync

    5 mars 2012, par geeknizer

    I'm creating Video using FFMPEG from pngs. The problem is on creating the video, and combining with video, its never in sync.

    Create video :

    ffmpeg -i /home/ubuntu/pngs/* -vcodec libvpx -r 25 -b 1024k -y video.avi

    generate audio

    ffmpeg -y -f s16le -ar 44100 -ac 2 -i wav_file.wav -acodec libvorbis video.avi

    these snapshots were taken at 25fps from a video. Audio is also extracted from same source.

  • avconv : saner output video timebase.

    7 février 2012, par Anton Khirnov

    avconv : saner output video timebase.

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