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vp9 denoiser: Fix the logic for re-evaluating zeromv after denoising.

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Correctly set interp_filter to SWITCHABLE for INTRA mode.
Also reduce threshold on noise level for re-evaluating zeromv.

Change-Id: Id32c01e193209fb380aa07204f0be3babf29f70a
This commit is contained in:
Marco 2016-12-19 09:22:44 -08:00
parent 7e23f895ca
commit 61b569b461
1 changed files with 6 additions and 5 deletions
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11
vp9/encoder/vp9_pickmode.c
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@ -1235,7 +1235,7 @@ static void recheck_zeromv_after_denoising(
// denoised result. Only do this under noise conditions, and if rdcost of
// ZEROMV onoriginal source is not significantly higher than rdcost of best
// mode.
if (cpi->noise_estimate.enabled && cpi->noise_estimate.level > kHigh &&
if (cpi->noise_estimate.enabled && cpi->noise_estimate.level > kLow &&
ctx_den->zero_last_cost_orig < (best_rdc->rdcost << 3) &&
((ctx_den->best_ref_frame == INTRA_FRAME && decision >= FILTER_BLOCK) ||
(ctx_den->best_ref_frame == GOLDEN_FRAME &&
@ -1259,16 +1259,17 @@ static void recheck_zeromv_after_denoising(
[INTER_OFFSET(ZEROMV)];
this_rdc.dist = dist;
this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, rate, dist);
// Switch to ZEROMV if the rdcost for ZEROMV on denoised source
// is lower than best_ref mode (on original source).
// Don't switch to ZEROMV if the rdcost for ZEROMV on denoised source
// is higher than best_ref mode (on original source).
if (this_rdc.rdcost > best_rdc->rdcost) {
this_rdc = *best_rdc;
mi->mode = ctx_den->best_mode;
mi->ref_frame[0] = ctx_den->best_ref_frame;
mi->interp_filter = ctx_den->best_pred_filter;
if (ctx_den->best_ref_frame == INTRA_FRAME)
if (ctx_den->best_ref_frame == INTRA_FRAME) {
mi->mv[0].as_int = INVALID_MV;
else if (ctx_den->best_ref_frame == GOLDEN_FRAME) {
mi->interp_filter = SWITCHABLE_FILTERS;
} else if (ctx_den->best_ref_frame == GOLDEN_FRAME) {
mi->mv[0].as_int =
ctx_den->frame_mv[ctx_den->best_mode][ctx_den->best_ref_frame]
.as_int;