fate: More libpostproc tests to improve coverage.

Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

tests/lavfi-regression.sh

@@ -39,6 +39,11 @@ do_lavfi "null"               "null"
 do_lavfi "overlay"            "split[m],scale=88:72,pad=96:80:4:4[o2];[m]fifo,[o2]overlay=240:16"
 do_lavfi "pad"                "pad=iw*1.5:ih*1.5:iw*0.3:ih*0.2"
 do_lavfi "pp"                 "mp=pp=de/tn/l5/al"
+do_lavfi "pp2"                "mp=pp=fq:16/fa/lb"
+do_lavfi "pp3"                "mp=pp=fq:8/ac/li"
+do_lavfi "pp4"                "mp=pp=ci"
+do_lavfi "pp5"                "mp=pp=md"
+do_lavfi "pp6"                "mp=pp=fd"
 do_lavfi "scale200"           "scale=200:200"
 do_lavfi "scale500"           "scale=500:500"
 do_lavfi "select"             "select=not(eq(mod(n\,2)\,0)+eq(mod(n\,3)\,0))"

tests/ref/lavfi/pp2

@@ -0,0 +1 @@
+pp2                 79e3480bfc7561f6a175138727319999

tests/ref/lavfi/pp3

@@ -0,0 +1 @@
+pp3                 d5feed74a102bf241cd57a3784eda8c0

tests/ref/lavfi/pp4

@@ -0,0 +1 @@
+pp4                 9584bae9fe344e2ffa9d73a8370e8b11

tests/ref/lavfi/pp5

@@ -0,0 +1 @@
+pp5                 09f92a9bf9348859461c150c12bd1317

tests/ref/lavfi/pp6

@@ -0,0 +1 @@
+pp6                 4a2f70e09ef52a48df2e5be8b8e2859f