fate: add Y41P encoding/decoding test

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

tests/codec-regression.sh

@@ -329,6 +329,11 @@ do_video_encoding yuv.avi "-an -vcodec rawvideo -pix_fmt yuv420p"
 do_video_decoding "" "-pix_fmt yuv420p"
 fi
 
+if [ -n "$do_y41p" ] ; then
+do_video_encoding y41p.avi "-an -c:v y41p"
+do_video_decoding
+fi
+
 if [ -n "$do_zlib" ] ; then
 do_video_encoding zlib.avi "-an -vcodec zlib"
 do_video_decoding "" "-pix_fmt yuv420p"

tests/ref/vsynth1/y41p

+70bbcb52acac0a3cb3217719669a8242 *./tests/data/vsynth1/y41p.avi
+ 7610060 ./tests/data/vsynth1/y41p.avi
+665f6045e3b3031f719fa4a44f63daba *./tests/data/y41p.vsynth1.out.yuv
+stddev:   30.54 PSNR: 18.43 MAXDIFF:  222 bytes:  7603200/  7603200

tests/ref/vsynth2/y41p

+8e0139963e79180a0fc1c154e36cebe5 *./tests/data/vsynth2/y41p.avi
+ 7610060 ./tests/data/vsynth2/y41p.avi
+0e0996e1d8b62f02af91fabb3c0a6f76 *./tests/data/y41p.vsynth2.out.yuv
+stddev:    9.87 PSNR: 28.24 MAXDIFF:   61 bytes:  7603200/  7603200