[FFmpeg-devel] [PATCH v6] lavc/rawdec: Remove monowhite switching code for 1 bpp AVI without a palette

Mats Peterson matsp888 at yahoo.com
Wed Feb 10 11:14:54 CET 2016


On 02/10/2016 10:12 AM, Mats Peterson wrote:
> The stride will be calculated incorrectly for the attached 3 x 3 pixel
> pal8 nut file, since there is some padding in the packet after the video
> data and before the palette. It will be properly rounded down to the
> real width of the video data for larger sizes, but this one will be 4
> instead of 3. I've tried a 1x1 file, but that one wouldn't play at all.
> Anyway, run ffplay with "-v debug" to output the packet size and the
> stride.
>
> If you have a better solution, feel free to change the stride
> calculation code.
>

Perhaps it's not that bad after all, because before this patch, any 
odd-width pal8 nut file would be skewed on display. And there aren't too 
many people who use 3 x 3 pixel videos. But it's a bit irritating 
nevertheless.

Mats



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