[FFmpeg-devel] 10 bit hevc on ppc

Michael Niedermayer michaelni at gmx.at
Mon Jun 2 13:22:51 CEST 2014


On Mon, Jun 02, 2014 at 10:07:07AM +0000, Carl Eugen Hoyos wrote:
> Hi!
> 
> 10 bit hevc is not bitexact on ppc, output is 
> visually ok.
> I made the following observations:
> * Reproducible on 32 and 64 bit ppc
> * Reproducible on different operating systems
> * Not a regression, reproducible with c8dd048a
> * Reproducible with -O0
> * Reproducible with --disable-optimizations
> * Reproducible with --disable-altivec
> * Reproducible with and without gas-preprocessor
> * Reproducible with old (4.0) and new gcc (4.8)
> * Not related to the missing definition of 
>   UNCHECKED_BITSTREAM_READER
> * Bitexact on ppc for all tested environments
> 
> I don't have any other ideas.

which test ?
iam asking as i just fixed fate-hevc-conformance-INITQP_B_Sony_1

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Dictatorship naturally arises out of democracy, and the most aggravated
form of tyranny and slavery out of the most extreme liberty. -- Plato
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