vp9: add a new segmentation sample.

The old one didn't use segmentation. One uses segmentation in all frame
types (--aq-mode=1), and the other uses all segmentation features, but
only in inter frames (mbgraph).
Signed-off-by: Anton Khirnov <anton@khirnov.net>

tests/fate/vpx.mak

@@ -74,7 +74,8 @@ $(foreach W,$(VP9_SIZE_B),$(eval $(foreach H,$(VP9_SIZE_B),$(eval $(call FATE_VP
 $(eval $(call FATE_VP9_SUITE,03-deltaq,$(1),$(2)))
 $(eval $(call FATE_VP9_SUITE,2pass-akiyo,$(1),$(2)))
 $(eval $(call FATE_VP9_SUITE,parallelmode-akiyo,$(1),$(2)))
-$(eval $(call FATE_VP9_SUITE,segmentation-akiyo,$(1),$(2)))
+$(eval $(call FATE_VP9_SUITE,segmentation-aq-akiyo,$(1),$(2)))
+$(eval $(call FATE_VP9_SUITE,segmentation-sf-akiyo,$(1),$(2)))
 $(eval $(call FATE_VP9_SUITE,tiling-pedestrian,$(1),$(2)))
 endef
 

tests/ref/fate/vp9-segmentation-akiyo

-#tb 0: 1/1000
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-0,         33,         33,        0,   152064, 2f271e4de29f87d6b90511fbafdf9fbb
-0,         66,         66,        0,   152064, 2f271e4de29f87d6b90511fbafdf9fbb
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-0,       1634,       1634,        0,   152064, b9b127b4bc54123bec19b2f4a3fa157c

tests/ref/fate/vp9-segmentation-aq-akiyo

+#tb 0: 1/1000
+0,          0,          0,        0,   152064, b208eac12f0ae74a812bc9e314bdfac7
+0,         33,         33,        0,   152064, ebb2259451c3acf3ad6379d1f4092efb
+0,         66,         66,        0,   152064, 33de46060afd14aa359b7bd0d9ff1be8
+0,        100,        100,        0,   152064, 33de46060afd14aa359b7bd0d9ff1be8
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+0,        600,        600,        0,   152064, 6951cb7a78e0a03f9a3f6264084de6dc
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+0,        667,        667,        0,   152064, dff11b046a02ca34c6b1aecc857632ec
+0,        700,        700,        0,   152064, 971182c013c1524d4864fd946b8c1550
+0,        734,        734,        0,   152064, 3306f1dcd5760ba92dd9cec8bfc21b08
+0,        767,        767,        0,   152064, f1f7b13c33332fece576b4d175f91832
+0,        800,        800,        0,   152064, 9e66573fbfe847149eb32e8a9c242c18

tests/ref/fate/vp9-segmentation-sf-akiyo

+#tb 0: 1/1000
+0,          0,          0,        0,   152064, f4e04a0f92fab3a52d858bb222807ac0
+0,         33,         33,        0,   152064, 493cb96b8202a1518c6c9bdb848540e4
+0,         66,         66,        0,   152064, 60b5b63f832cff119a43de82102758f4
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+0,        333,        333,        0,   152064, 84881463643069036d03e8120a5f15e9
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