[FFmpeg-devel] [FFmpeg-cvslog] avcodec/dct32_template: use M_SQRT1_2 instead of actual literal

Ganesh Ajjanagadde gajjanag at mit.edu
Sun Nov 22 23:03:11 CET 2015


On Sun, Nov 22, 2015 at 4:39 PM, Clément Bœsch <u at pkh.me> wrote:
> On Sun, Nov 22, 2015 at 10:38:35PM +0100, Clément Bœsch wrote:
>> On Sun, Nov 22, 2015 at 10:24:49PM +0100, Ganesh Ajjanagadde wrote:
>> > ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Tue Nov 10 22:26:25 2015 -0500| [ccf3c694032bd84c7672979fa89f437980d717ba] | committer: Ganesh Ajjanagadde
>> >
>> > avcodec/dct32_template: use M_SQRT1_2 instead of actual literal
>> >
>> > Fixed point value remains unchanged.
>> >
>> > Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
>> >
>> > > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ccf3c694032bd84c7672979fa89f437980d717ba
>> > ---
>> >
>> >  libavcodec/dct32_template.c |    2 +-
>> >  1 file changed, 1 insertion(+), 1 deletion(-)
>> >
>> > diff --git a/libavcodec/dct32_template.c b/libavcodec/dct32_template.c
>> > index fb53d53..c70396e 100644
>> > --- a/libavcodec/dct32_template.c
>> > +++ b/libavcodec/dct32_template.c
>> > @@ -73,7 +73,7 @@
>> >  #define COS3_0 FIXHR(0.54119610014619698439/2)
>> >  #define COS3_1 FIXHR(1.30656296487637652785/4)
>> >
>> > -#define COS4_0 FIXHR(0.70710678118654752439/2)
>> > +#define COS4_0 FIXHR(M_SQRT1_2/2)
>>
>> I think you meant M_SQRT1_2
>>
>
> Sorry, I'm tired

too rash on my end as well, reverted. Sorry all for the confusion.

>
> --
> Clément B.
>
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