[FFmpeg-devel] Re: [PATCH v2] libavcodec/v4l2_buffers: fixing buffer alignment issue

[Michael Niedermayer via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

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Hi Wenjie Yin

On Tue, Nov 25, 2025 at 09:59:00AM +0000, Wenjie Yin via ffmpeg-devel wrote:
> V4l2 drivers may return buffer width & height with aligned values, which
> may be different from frame width & height. Bytesperlines and strides
> should be check for aligned buffers when copying pixel data. When width
> aligned, copy with planar; otherwise, copy line-by-line to dest buffer.
> 
> Co-authored-by: Renjiang Han <renjiang.han@oss.qualcomm.com>
> Signed-off-by: Wenjie Yin <wenjyin@qti.qualcomm.com>
> ---
>  libavcodec/v4l2_buffers.c | 97 +++++++++++++++++++++++++++++++++++----
>  1 file changed, 87 insertions(+), 10 deletions(-)

Doesnt apply: (the patch you posted a few minutes earlier applies cleanly though)

Applying: libavcodec/v4l2_buffers: fixing buffer alignment issue
Using index info to reconstruct a base tree...
error: patch failed: libavcodec/v4l2_buffers.c:359
error: libavcodec/v4l2_buffers.c: patch does not apply
error: Did you hand edit your patch?
It does not apply to blobs recorded in its index.
Patch failed at 0001 libavcodec/v4l2_buffers: fixing buffer alignment issue

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA

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