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Autres articles (71)

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    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
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  • Publier sur MédiaSpip

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    Puis-je poster des contenus à partir d’une tablette Ipad ?
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Sur d’autres sites (9620)

  • tests/checkasm : Add test for vf_bwdif filter_edge

    4 juillet 2023, par John Cox
    tests/checkasm : Add test for vf_bwdif filter_edge

    Signed-off-by : John Cox <jc@kynesim.co.uk>
    
Signed-off-by : Martin Storsjö <martin@martin.st>
    • [DH] tests/checkasm/vf_bwdif.c

  • avformat/mvdec : Check bytes_per_sample

    23 décembre 2021, par Michael Niedermayer
    avformat/mvdec : Check bytes_per_sample

    Fixes : division by zero
    
Fixes : 42814/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-4787014237552640
    

    Found-by : continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
    
Reviewed-by : Peter Ross <pross@xvid.org>
    
Reviewed-by : John-Paul Stewart <jpstewart@personalprojects.net>
    
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavformat/mvdec.c

  • Convert mp3 to aac stream for facebook video with ffmpeg

    17 août 2022, par Miro Barsocchi

    I want to start a live video in a Facebook page and I can do this using ffmpeg. The input is, as a video stream, a static image, suppose image.jpg and as audio a streaming content that currently is in mp3 format.&#xA;Due to facebook limitation, the audio format should be aac, so the idea is to convert the audio from mp3 to aac and send everything to facebook. What I'm using is this command

    &#xA;

    ffmpeg -loop 1 -f image2 -i image.jpg -i https://some.streaming.service/mp3 -c:a libfdk_aac -pix_fmt yuv420p  -profile:v baseline  -bufsize 6000k  -maxrate 1500k  -vcodec libx264  -preset veryfast  -g 30  -r 30  -f flv  -flvflags no_duration_filesize  "rtmps://live-api-s.facebook.com:443/rtmp/FB-KEYTOSTREAM"&#xA;

    &#xA;

    where https://some.streaming.service/mp3 is a streaming in mp3 format. It "almost" work in the sense that it returns no error but I can not start streaming because, from facebook side, it seems that I'm not sending the stream : the "Start Live session" is not enabled

    &#xA;

    enter image description here

    &#xA;

    If I stop ffmpeg, then for a second, the button is enabled and I can stream a few seconds of what I want. It seems that the error is related to the fact that there is no buffer of data that arrives, will be converted, and directly sent to the output. If, instead of a mp3 streaming audio, I use a mp3 file then no problem.

    &#xA;

    I'm quite sure that ffmpeg can do this type of conversion, but can someone help me understand the flag(s) that I'm missing ?

    &#xA;

    I've tried also with -re with no luck.

    &#xA;

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