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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 (...)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
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Sur d’autres sites (15231)

  • avplay : Handle pixel aspect ratio properly

    6 juillet 2014, par Martin Storsjö
    avplay : Handle pixel aspect ratio properly

    This was broken (left half-implemented) in 354468fc12.
    

    CC : libav-stable@libav.org
    
Signed-off-by : Martin Storsjö <martin@martin.st>
    • [DBH] avplay.c

  • ffmpeg missing image frames in generated video from images

    12 janvier 2018, par sihrc

    Similar question here, but not yet answered.

    Problem :

    I’m combining images (.png) of same resolution/size (they all came from the same matplotlib.pyplot), but the resulting video is missing several frames.

    Command :

    ffmpeg -f image2 -r 1 -i .\\images\\image%02d.png -c:v libx264 -r 30 .\\images\\output.mp4

    Resulting Video

    • Length of 0:09
    • Missing more than half the images

    Images

    • .\images
      • image00.png
      • image01.png
      • image02.png
      • image03.png
      • image04.png
      • image05.png
      • image06.png
      • image07.png
      • . . .

    Notes :

    I followed examples from here. I’m new to using ffmpeg, so I may not be completely sure of what each of the command line options I’ve used means, though I have a pretty good idea.

    Thanks, any help/advice/suggestions will be greatly appreciated. I am also perfectly willing to provide further information that may help resolve this issue.

  • avcodec/mpeg12enc : Don't initialize unused parts of RLTable

    22 octobre 2022, par Andreas Rheinhardt
    avcodec/mpeg12enc : Don't initialize unused parts of RLTable

    ff_rl_init() initializes RLTable.(max_level|max_run|index_run) ;
    
max_run is unused by the MPEG-1/2 encoders (as well as SpeedHQ).
    
Furthermore, it initializes these things twice (for two passes),
    
but the second half of this is never used.
    

    Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
    • [DH] libavcodec/mpeg12enc.c

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