[FFmpeg-devel] [PATCH] vc1dsp: Change remaining stride parameters to ptrdiff_t

[Ben Avison]

On 29/03/2022 13:44, Martin Storsjö wrote:
> The existing x86 assembly for loop filters uses the stride as a
> full register without clearing/sign extending the upper half
> of the registers on x86_64.
> 
> This avoids crashes if the caller would have passed nonzero bits
> in the previously undefined upper 32 bits of the parameters.

Looks perfectly reasonable to me. I'll hold off making matching changes 
to my upcoming Arm versions until this gets merged. (My 64-bit Arm 
versions followed the old prototype and sign-extended the strides from 
32 to 64 bits, but that won't be necessary any more.)

Ben