Only search the largest tx_size for cbs above 64
If any dimension of a coding block size is above 64, only search
the largest transform block size, since the max transform block
size supported is 64x64.
Bring back this under a speed 1 feature. The encoding goes 2.5%
faster.
Stats change expected.
Change-Id: I50ed7565cd4f83ff78c83ea6c80d56f5ef3cbb6d
diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index 6d82381..6e52618 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -346,6 +346,9 @@
// 0 - search full tree, 1: search 1 level, 2: search the highest level only
int tx_size_search_init_depth_sqr;
int tx_size_search_init_depth_rect;
+ // If any dimension of a coding block size above 64, always search the
+ // largest transform only, since the largest transform block size is 64x64.
+ int tx_size_search_lgr_block;
// After looking at the first set of modes (set by index here), skip
// checking modes for reference frames that don't match the reference frame
