fate: add h263 obmc vsynth tests

tests/fate/vcodec.mak

@@ -72,6 +72,9 @@ fate-vsynth%-h261:               ENCOPTS = -qscale 11
 FATE_VCODEC += h263
 fate-vsynth%-h263:               ENCOPTS = -qscale 10
 
+FATE_VCODEC += h263-obmc
+fate-vsynth%-h263-obmc:          ENCOPTS = -qscale 10 -obmc 1
+
 FATE_VCODEC += h263p
 fate-vsynth%-h263p:              ENCOPTS = -qscale 2 -flags +aic -umv 1 -aiv 1 -ps 300
 

tests/ref/fate/vsynth1-h263-obmc

@@ -0,0 +1,4 @@
+8a7be9f9f97673bf8b926b6dcf8a710d *tests/data/fate/vsynth1-h263-obmc.avi
+657366 tests/data/fate/vsynth1-h263-obmc.avi
+eba1d733a0c4b71322a78f718f312599 *tests/data/fate/vsynth1-h263-obmc.out.rawvideo
+stddev:    8.16 PSNR: 29.89 MAXDIFF:  113 bytes:  7603200/  7603200

tests/ref/fate/vsynth2-h263-obmc

@@ -0,0 +1,4 @@
+0c84ee18c2261070ffc91b5d606094ae *tests/data/fate/vsynth2-h263-obmc.avi
+154728 tests/data/fate/vsynth2-h263-obmc.avi
+6f326547cf1cbd95a8c0a5ddce9eb71a *tests/data/fate/vsynth2-h263-obmc.out.rawvideo
+stddev:    5.39 PSNR: 33.49 MAXDIFF:   82 bytes:  7603200/  7603200