[FFmpeg-devel] fate/exr : add test for Y, B44A negative, datawindow != display window

[Martin Vignali]

Hello,

In attach a patch to add fate tests for exr

samples can be found here
https://we.tl/ItuIX0BMfk

and need to be put inside fate-suite/exr

can be test with make fate-exr SAMPLES=fate-suite/

Theses tests increase coverage of exr.c :

- rgb_b44a_half_negative_4x4 : test negative half value inside B44A bloc
(the entire picture is one b44A bloc)

- y_tile_zip_half_12x8 and y_scanline_zip_half_12x8 :
test the luma only mode in tile and scanline

- rgb_scanline_half_piz_dw_t08 : it's one of the official sample for
testing datawindow/display window (
https://github.com/openexr/openexr-images/tree/master/DisplayWindow)
Test when data window != display window, but data are entirely inside the
display window (the rest of the picture is fill with black)


Martin
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