Port dering experiment from aom
Mannually cherry-picked:
1579133 Use OD_DIVU for small divisions in temporal_filter.
0312229 Replace divides by small values with multiplies.
9c48eec Removing divisions from od_dir_find8()
0950ed8 Merge "Port active map / cyclic refresh fixes to vp10."
efefdad Port active map / cyclic refresh fixes to vp10.
1eaf748 Port switch to 9-bit rate cost to aom.
0b1606e Only build deringing code when --enable-dering.
e2511e1 Deringing cleanup: don't hardcode the number of levels
8fe5c5d Rename dering_in to od_dering_in to sync with Daala
4eb1380 Makes second filters for 45-degree directions horizontal
7f4c3f5 Removes the superblock variance contribution to the threshold
3dc56f9 Simplifying arithmetic by using multiply+shift
cf2aaba Return 0 explicitly for OD_ILOG(0).
49ca22a Use the Daala implementation of OD_ILOG().
8518724 Fix compiler warning in od_dering.c.
485d6a6 Prevent multiple inclusion of odintrin.h.
51b7a99 Adds the Daala deringing filter as experimental
Note that a few of the changes were already in libvpx codebse.
Change-Id: I1c32ee7694e5ad22c98b06ff97737cd792cd88ae
diff --git a/test/acm_random.h b/test/acm_random.h
index c2f6b0e..eae2cf9 100644
--- a/test/acm_random.h
+++ b/test/acm_random.h
@@ -24,6 +24,11 @@
explicit ACMRandom(int seed) : random_(seed) {}
void Reset(int seed) { random_.Reseed(seed); }
+
+ uint32_t Rand31(void) {
+ return random_.Generate(testing::internal::Random::kMaxRange);
+ }
+
uint16_t Rand16(void) {
const uint32_t value =
random_.Generate(testing::internal::Random::kMaxRange);
