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Sur d’autres sites (10645)

  • 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.

  • ffmpeg missing image frames in generated video from images

    4 août 2013, 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.

  • FFMPEG images to video with different frame(image) sizes

    11 mars 2016, par Prem Reddy

    I stumbled upon this problem where ffmpeg video of images passed to it gave me a video of fixed frame sizes.Like stretching lesser sized images or shrinking larger images.But what i want is a video like we get in windows movie maker.With maintaining sizes and if lesser one comes fills black bothsides and displays image as it is.Please answer it ASAP.So,basically different frame sizes.

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