[FFmpeg-devel] [PATCH] h264chroma: remove duplicate 9/10 bit functions.

Ronald S. Bultje rsbultje at gmail.com
Mon Feb 11 04:39:11 CET 2013


Hi,

On Sun, Feb 10, 2013 at 7:34 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> On Sun, Feb 10, 2013 at 07:04:07PM -0800, Ronald S. Bultje wrote:
>> Hi,
>>
>> On Sun, Feb 10, 2013 at 5:22 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
>> > On Sun, Feb 10, 2013 at 04:40:19PM -0800, Ronald S. Bultje wrote:
>> >> From: "Ronald S. Bultje" <rsbultje at gmail.com>
>> >>
>> >> Also use the resulting 16bpp functions for anything >8 and <=16, not just
>> >> 9 and 10. This fixes 12 and 14bpp H264 support.
>> >
>> > How can i test/verify this bugfix ?
>> > I tried a few files but notice no difference, they either worked
>> > already or still dont work
>>
>> You see that currently it uses 8bpp chroma for !=9 && !=10, right?
>
> yes, recent regression introduced by 79dad2a9
> the new code should probably also use <=16 instead of <16
>
> But the SIMD changes look wrong, the code supports 10bit not >10bit

Why? Do intermediates overflow 16bit?

Ronald


More information about the ffmpeg-devel mailing list