[FFmpeg-devel] [PATCH] Add a gamma flag to exr loader to avoid banding

[Gonzalo Garramuno]

On 08/05/14 10:43, Michael Niedermayer wrote:
> On Thu, May 08, 2014 at 10:20:22AM -0300, Gonzalo Garramuno wrote:
>> On 07/05/14 23:30, Michael Niedermayer wrote:
>>> this one fails again:
>> The only things I changed were the defines and used av_intfloat32 to
>> avoid the aliasing problem.  There's something more severely broken
>> in the test suite.  I attach a version with returning av_intfloat32
>> instead of a float and see if that passes.
>>
> fails:
> also can you get rid of all floats int->union->float on the main
> gamma=1 path ?
> IIRC they are only used to transport a unchanged value,
Find it attached. In principle this should revert to the old checksums, 
but when I run fate, it uses the new checksums.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: exr_fix5.diff
Type: text/x-patch
Size: 8288 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20140508/0f8f32aa/attachment.bin>