[FFmpeg-devel] [PATCH 09/13] avcodec/svq1dec: clear MMX state after MB decode loop

[Andreas Cadhalpun]

On 23.10.2016 20:18, Carl Eugen Hoyos wrote:
> 2016-10-23 12:14 GMT+02:00 Andreas Cadhalpun <andreas.cadhalpun at googlemail.com>:
> 
>> I also don't like adding emms_c in various places, but I don't see a
>> realistic alternative
> 
> (+1!)
> 
>> other than not fixing the problem. And I think that would be worse
>> than this patch set.
> 
> I don't (strongly) disagree but could you elaborate on why this would
> be such a bad alternative?

For one thing FFmpeg shouldn't rely on undefined behavior (a theoretical
issue) and for another thing it should work with musl libc (a practical
problem). I think not fixing the latter is bad for our users.

Best regards,
Andreas