[Libav-user] sws_scale screws up last pixel row in smaller x264 mp4 encoding

[Drabner]

Hey there,

When using the C API of ffmpeg, and encoding input image frames to an mp4
video, everything works well when the resolution is 640x360. But with
320x180 input and output, the output image's last pixel row is screwed up.

This happens after the sws_scale, so the error must be somewhere around
there.

See the original stackoverflow question for the code and two example
pictures:
http://stackoverflow.com/questions/11580559/sws-scale-screws-up-last-pixel-row-in-smaller-x264-mp4-encoding

Could it be that is actually a bug in the libraries and not an error on my
side?



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