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vp9-denoiser: Bias to last for golden long term

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If golden referene is selected as long-term reference,
bias the denoiser filter to use last reference.
Fixes visual artifact.

And reduce the thresh_svc_golden, which was used
to reduce the artifact occurrence.

Change-Id: I08f24160ca11bd8f5f70acaefe989d5f92988132
This commit is contained in:
Marco Paniconi
2019-03-06 10:40:42 -08:00
parent d64e328624
commit df7039cf9a
2 changed files with 3 additions and 4 deletions
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5
vp9/encoder/vp9_denoiser.c
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@@ -219,9 +219,7 @@ static VP9_DENOISER_DECISION perform_motion_compensation(
// If the best reference frame uses inter-prediction and there is enough of a
// difference in sum-squared-error, use it.
if (frame != INTRA_FRAME && frame != ALTREF_FRAME &&
(frame != GOLDEN_FRAME || num_spatial_layers == 1 ||
use_gf_temporal_ref) &&
if (frame != INTRA_FRAME && frame != ALTREF_FRAME && frame != GOLDEN_FRAME &&
sse_diff > sse_diff_thresh(bs, increase_denoising, motion_magnitude)) {
mi->ref_frame[0] = ctx->best_reference_frame;
mi->mode = ctx->best_sse_inter_mode;
@@ -233,6 +231,7 @@ static VP9_DENOISER_DECISION perform_motion_compensation(
// Bias to last reference.
if ((num_spatial_layers > 1 && !use_gf_temporal_ref) ||
frame == ALTREF_FRAME ||
(frame == GOLDEN_FRAME && use_gf_temporal_ref) ||
(frame != LAST_FRAME &&
((ctx->zeromv_lastref_sse<(5 * ctx->zeromv_sse)>> 2) ||
denoiser->denoising_level >= kDenHigh))) {

2
vp9/encoder/vp9_pickmode.c
View File

@@ -1699,7 +1699,7 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, TileDataEnc *tile_data,
int svc_mv_row = 0;
int no_scaling = 0;
unsigned int thresh_svc_skip_golden = 500;
unsigned int thresh_skip_golden = (bsize >= BLOCK_32X32) ? 2500 : 500;
unsigned int thresh_skip_golden = 500;
int scene_change_detected =
cpi->rc.high_source_sad ||
(cpi->use_svc && cpi->svc.high_source_sad_superframe);