fate: add more pix_fmt tests for xwd

Signed-off-by: Paul B Mahol <onemda@gmail.com>

tests/lavf-regression.sh

@@ -259,6 +259,13 @@ fi
 
 if [ -n "$do_xwd" ] ; then
 do_image_formats xwd
+do_image_formats xwd "-pix_fmt rgba"
+do_image_formats xwd "-pix_fmt rgb565be"
+do_image_formats xwd "-pix_fmt rgb555be"
+do_image_formats xwd "-pix_fmt rgb8"
+do_image_formats xwd "-pix_fmt rgb4_byte"
+do_image_formats xwd "-pix_fmt gray"
+do_image_formats xwd "-pix_fmt monow"
 fi
 
 if [ -n "$do_sunrast" ] ; then

tests/ref/lavf/xwd

 50baa5560b7d1aa3188b19c1162bf7dc *./tests/data/images/xwd/02.xwd
 ./tests/data/images/xwd/%02d.xwd CRC=0x6da01946
 304239 ./tests/data/images/xwd/02.xwd
+1cdb43599c956dc8563f1e09fac5df00 *./tests/data/images/xwd/02.xwd
+./tests/data/images/xwd/%02d.xwd CRC=0xf07d29cd
+405615 ./tests/data/images/xwd/02.xwd
+c0866e9e710fce735423594a93bee604 *./tests/data/images/xwd/02.xwd
+./tests/data/images/xwd/%02d.xwd CRC=0x53209216
+202863 ./tests/data/images/xwd/02.xwd
+1300938325d5ac12caa09a43bd58f37c *./tests/data/images/xwd/02.xwd
+./tests/data/images/xwd/%02d.xwd CRC=0x14555d6e
+202863 ./tests/data/images/xwd/02.xwd
+c6f3cb7c45f7238474a89d2ad61a1caf *./tests/data/images/xwd/02.xwd
+./tests/data/images/xwd/%02d.xwd CRC=0xfaafb59b
+104559 ./tests/data/images/xwd/02.xwd
+fe1af954966a40c2cd35fc27094ff823 *./tests/data/images/xwd/02.xwd
+./tests/data/images/xwd/%02d.xwd CRC=0xd69c3a09
+104559 ./tests/data/images/xwd/02.xwd
+9e2f3d455566897692cdfda88ff10112 *./tests/data/images/xwd/02.xwd
+./tests/data/images/xwd/%02d.xwd CRC=0x418d2963
+101487 ./tests/data/images/xwd/02.xwd
+2131b4c41fe35178b0c7d121223af549 *./tests/data/images/xwd/02.xwd
+./tests/data/images/xwd/%02d.xwd CRC=0x0f5aa5cb
+12783 ./tests/data/images/xwd/02.xwd