[FFmpeg-devel] [PATCH 2/2] swscale/swscale_unscaled: avoid nv12 <-> nv21 bug

[James Almer]

On 3/16/2025 9:52 AM, Niklas Haas wrote:
> From: Niklas Haas <git at haasn.dev>
> 
> This is not handled by the planar copy wrapper, so exclude it.
> ---
>   libswscale/swscale_unscaled.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c
> index 1df160daaa..4959963b18 100644
> --- a/libswscale/swscale_unscaled.c
> +++ b/libswscale/swscale_unscaled.c
> @@ -2660,7 +2660,8 @@ void ff_get_unscaled_swscale(SwsInternal *c)
>           (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
>            c->chrDstHSubSample == c->chrSrcHSubSample &&
>            c->chrDstVSubSample == c->chrSrcVSubSample &&
> -         isSemiPlanarYUV(srcFormat) == isSemiPlanarYUV(dstFormat))))
> +         isSemiPlanarYUV(srcFormat) == isSemiPlanarYUV(dstFormat) &&
> +         isSwappedChroma(srcFormat) == isSwappedChroma(dstFormat))))
>       {
>           if (isPacked(c->opts.src_format))
>               c->convert_unscaled = packedCopyWrapper;

LGTM.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature.asc
Type: application/pgp-signature
Size: 495 bytes
Desc: OpenPGP digital signature
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20250316/816b92df/attachment.sig>