[FFmpeg-devel] libavcodec/exr : add support for compression in tile

Paul B Mahol onemda at gmail.com
Mon Apr 4 22:48:54 CEST 2016


On 4/4/16, Martin Vignali <martin.vignali at gmail.com> wrote:
> Hello,
>
> In attach a patch, in order to enable compression in tile.
>
> With modification inside PIZ uncompress, B44 uncompress, and PXR24
> uncompress.
>
> s->xdelta is replace by s->xsize.
> For scanline it doesn't make any change, because s->xsize == s->xdelta.
> In tile s->xsize is the width of the tile or less (if we are at the right
> of the datawindow).
>
> RLE, ZIP1, ZIP16 works without modification inside uncompress function.
>
>
> Tile PIZ sample GoldenGate.exr works now
> (can be found here :
> http://download.savannah.nongnu.org/releases/openexr/openexr-images-1.7.0.tar.gz
> )
>
> Martin
> Jokyo Images
>

Applied, are you gonna add support for mip-maps and rip-maps?


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