[intra-edge] Convert 4x4 VP9 to ext-intra; upsample edge samples
Updates to intra-edge experiment
- Convert VP9-style intra pred to Ext-intra style
- Upsample edge predictors by 2x based on angle and edge size
BD-rate, 1-kf AWCY
360p: -0.11%
720p: -0.54
1080p: -0.96
Change-Id: Ib73805d31d5d286e607a7ee7470fcbdf11edbbff
diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 0385221..016722a 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -1451,7 +1451,7 @@
#endif // CONFIG_INTRA_INTERP
(void)ec_ctx;
- if (bsize < BLOCK_8X8) return;
+ if (!av1_use_angle_delta(bsize)) return;
if (av1_is_directional_mode(mbmi->mode, bsize)) {
write_uniform(w, 2 * MAX_ANGLE_DELTA + 1,