ref: 79a194692fd449b4fd10a6235aa59f285b6656c3
parent: e3efed7f4c188bcacdae813a3ee9e93f0f649234
parent: bd6bf2596957b722ee5d7d789e0fedb9bf86435e
author: Marco Paniconi <[email protected]>
date: Tue Nov 10 18:10:31 EST 2015
Merge "Add bias to zero/small motion for noisy source."
--- a/vp9/encoder/vp9_pickmode.c
+++ b/vp9/encoder/vp9_pickmode.c
@@ -1483,18 +1483,30 @@
this_rdc.rate += ref_frame_cost[ref_frame];
this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist);
- // Bias against non-zero (above some threshold) motion for large blocks.
- // This is temporary fix to avoid selection of large mv for big blocks.
if (cpi->oxcf.speed >= 5 &&
- cpi->oxcf.content != VP9E_CONTENT_SCREEN &&
- (frame_mv[this_mode][ref_frame].as_mv.row > 64 ||
- frame_mv[this_mode][ref_frame].as_mv.row < -64 ||
- frame_mv[this_mode][ref_frame].as_mv.col > 64 ||
- frame_mv[this_mode][ref_frame].as_mv.col < -64)) {
- if (bsize == BLOCK_64X64)
- this_rdc.rdcost = this_rdc.rdcost << 1;
- else if (bsize >= BLOCK_32X32)
- this_rdc.rdcost = 3 * this_rdc.rdcost >> 1;
+ cpi->oxcf.content != VP9E_CONTENT_SCREEN) {
+ // Bias against non-zero (above some threshold) motion for large blocks.
+ // This is temporary fix to avoid selection of large mv for big blocks.
+ if (frame_mv[this_mode][ref_frame].as_mv.row > 64 ||
+ frame_mv[this_mode][ref_frame].as_mv.row < -64 ||
+ frame_mv[this_mode][ref_frame].as_mv.col > 64 ||
+ frame_mv[this_mode][ref_frame].as_mv.col < -64) {
+ if (bsize == BLOCK_64X64)
+ this_rdc.rdcost = this_rdc.rdcost << 1;
+ else if (bsize >= BLOCK_32X32)
+ this_rdc.rdcost = 3 * this_rdc.rdcost >> 1;
+ }
+ // If noise estimation is enabled, and estimated level is above threshold,
+ // add a bias to LAST reference with small motion, for large blocks.
+ if (cpi->noise_estimate.enabled &&
+ cpi->noise_estimate.level >= kMedium &&
+ bsize >= BLOCK_32X32 &&
+ ref_frame == LAST_FRAME &&
+ frame_mv[this_mode][ref_frame].as_mv.row < 8 &&
+ frame_mv[this_mode][ref_frame].as_mv.row > -8 &&
+ frame_mv[this_mode][ref_frame].as_mv.col < 8 &&
+ frame_mv[this_mode][ref_frame].as_mv.col > -8)
+ this_rdc.rdcost = 7 * this_rdc.rdcost >> 3;
}
// Skipping checking: test to see if this block can be reconstructed by