On 5/26/2025 10:06 AM, Andreas Rheinhardt wrote:
> It is possible to hit this bug even before my patch with a commandline
> like this (tested with qemu):
> ffmpeg -filter_complex
> nullsrc=s=740x576:r=25,format=yuv420p,crop=w=720:x=2 -c:v asv2 -f null -

Why does that generate unaligned strides? nullsrc uses 
ff_get_video_buffer() to allocate a frame, which aligns strides with 
av_cpu_max_align().