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  • 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 (...)

  • Gestion des droits de création et d’édition des objets

    8 février 2011, par

    Par défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

Sur d’autres sites (4899)

  • Android ffmpeg - 3gp to mp4 videos not playing

    17 juillet 2013, par santhosh

    I am doing an android application which is used to merge two videos and after merge completed play the result video. For this I am using ffmpeg.

    When I record two mpeg or mp4 videos, the result merged video playing fine. Now I record the videos as 3gp and convert it into mp4 and merged it. Then the result video is not playing.

    Can anybody help me What may be the problem ?

  • Decoding AAC in FFmpeg for Android

    13 octobre 2012, par synthcat

    I am attempting to decode an M4A file on an Android device using AAC.

    I use the following code to initialize the codec.

    codec = avcodec_find_decoder(CODEC_ID_AAC);
    
c= avcodec_alloc_context();
    
avcodec_open(c, codec);

    However, when I later attempt to decode a frame using :

    len = avcodec_decode_audio3(c, (short *)mOutbuf, &out_size, &avpkt);

    I get -1 (indicating an error) and the following on the log.

    10-11 16:30:01.115: INFO/M4ADecoder(5260): channel element 0.0 is not allocated
    
10-11 16:30:02.195: INFO/M4ADecoder(5260): channel element 2.0 is not allocated
    
10-11 16:30:03.295: INFO/M4ADecoder(5260): channel element 0.6 is not allocated
    
10-11 16:30:07.645: INFO/M4ADecoder(5260): Sample rate index in program config element does not match the sample rate index configured by the container.
    
10-11 16:30:07.655: INFO/M4ADecoder(5260): Number of bands (3) exceeds limit (2).

    Are there any other steps I need to do when setting up the codec ? Do I need to preparse the file before sending data to the AAC decoder ?

    The same file works fine with the latest ffmpeg code on Mac OSX (i.e., ffmpeg -i filename.m4a").

  • decoding AAC in ffmpeg android

    12 octobre 2012, par synthcat

    I am attempting to decode an M4A file on an Android device using AAC.

    I use the following code to initialize the codec.

    codec = avcodec_find_decoder(CODEC_ID_AAC);
    
c= avcodec_alloc_context();
    
avcodec_open(c, codec);

    However, when I later attempt to decode a frame using :

    len = avcodec_decode_audio3(c, (short *)mOutbuf, &out_size, &avpkt);

    I get -1 (indicating an error) and the following on the log.

    10-11 16:30:01.115 : INFO/M4ADecoder(5260) : channel element 0.0 is not allocated

    10-11 16:30:02.195 : INFO/M4ADecoder(5260) : channel element 2.0 is not allocated

    10-11 16:30:03.295 : INFO/M4ADecoder(5260) : channel element 0.6 is not allocated

    10-11 16:30:07.645 : INFO/M4ADecoder(5260) : Sample rate index in program config element does not match the sample rate index configured by the container.
    10-11 16:30:07.655 : INFO/M4ADecoder(5260) : Number of bands (3) exceeds limit (2).

    Are there any other steps I need to do when setting up the codec ? Do I need to preparse the file before sending data to the AAC decoder ?

    The same file works fine with the latest ffmpeg code on Mac OSX (i.e., ffmpeg -i filename.m4a").

    Thanks in advance for any help you can provide.

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