[FFmpeg-devel] libavcodec/exr : Fix PIZ compression

Paul B Mahol onemda at gmail.com
Tue Apr 12 23:27:18 CEST 2016


On 4/12/16, Martin Vignali <martin.vignali at gmail.com> wrote:
> Hello,
>
> In attach two patch, to fix piz compression.
>
> 001 : Set to 0 entire bitmap and lut array.
> Fix ticket #3932, also fix decoding error for various official samples :
>
> openexr-images-1.7.0/TestImages/AllHalfValues.exr
> openexr-images-1.7.0/ScanLines/MtTamWest.exr
> openexr-images-1.7.0/ScanLines/StillLife.exr
> openexr-images-1.7.0/ScanLines/Tree.exr
> openexr-images-1.7.0/MultiResolution/WavyLinesSphere.exr
> openexr-images-1.7.0/ScanLines/CandleGlass.exr
>

Fixed differently. Thanks for pointing out bug.

>
> 002 : Fix huf_decode.
> s variable is now an uint16 (like in the official library).

Applied.

>
> Fix decoding :
> openexr-images-1.7.0/DisplayWindow/t01.exr
>
>
> Official samples can be found here :
> http://download.savannah.nongnu.org/releases/openexr/openexr-images-1.7.0.tar.gz
>
> Comments welcome
>
> Martin
> Jokyo Images
>


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