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Sur d’autres sites (7402)

  • Swscale color space convert interlaced frames ?

    29 mai 2012, par Nioreh

    I am writing an application that exports video that I have captured (PAL SDI). The original color space is uyvy (4:2:2). When I convert the frames with swscale to 4:2:0 and encode with avcodec I get color bleeding between the fields. I suspect this is from swscale not being aware of the frame being interlaced. Here is an example of a part of a bob-deinterlaced frame from my exported video showing one of the fields :

    color bleeding between fields

    As you can see, the color bleeds from the other field. How do I keep this from happening ? I have looked at the library and tried to find anything in swscale that tells it to respect the fields, but I haven't found anything.

    I store each field in seperate buffers, so I can process the fields individually before hand if that would help.

    Thankful for any help on this !

    Regards
    Carl

    Edit : Basically, what I want is to output PAL DV. I suspect swscale is able to somehow produce this type of interlaced 420, since ffmpeg (the application) can handle this (I think).

  • fate : convert codec-regression.sh to makefile rules

    18 mai 2012, par Mans Rullgard

    fate : convert codec-regression.sh to makefile rules

  • fate : convert codec-regression.sh to makefile rules

    18 mai 2012, par Mans Rullgard

    fate : convert codec-regression.sh to makefile rules

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