Hi,

On Fri, Nov 11, 2011 at 3:27 PM, Martin Storsjö <[email protected]> wrote:
> On Fri, 11 Nov 2011, Ronald S. Bultje wrote:
>
>> As said, this is for the case where we read planar YUV, then
>> SwsContext->convertData[] is not used, instead the planar pointer is
>> used directly without any conversion. This is used-provided and may
>> thus be unaligned (we currently make no alignment requirements).
>
> Hmm, since this commit last Saturday
>
>> Commit: c435653627529e22d74214c2266f571255e404d6
>>
>> Author:    Ronald S. Bultje <[email protected]>
>> Committer: Ronald S. Bultje <[email protected]>
>> Date:      Sat Nov  5 17:31:40 2011 -0700
>>
>> swscale: write yuv2plane1 MMX/SSE2/SSE4/AVX functions.
>
> code that passes unaligned buffers to swscale started crashing. Do I read
> the the comment above correctly, this is a bug - calling code shouldn't need
> to provide any particular alignment?

Yeah, if you tell me which instruction fails I'll fix it, or a
backtrace + disass is fine also.

Ronald
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