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vp9-denoiser: Avoid copy-block when denoising is at LowLow level.

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Avoid copy-block when denoising is at LowLow level (i.e., no denoising is done).
Instead, don't enter denoiser at all, and when level goes back up over kLowLow
do a reset in denoiser.

Change-Id: I0544adf58f4dd51ecc4a4607fcb0353bfbbb7a59
This commit is contained in:
Marco
2016-04-04 11:05:21 -07:00
parent 5572ab1d02
commit ac86dde3af
4 changed files with 23 additions and 5 deletions
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12
vp9/encoder/vp9_pickmode.c
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@@ -1270,7 +1270,10 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
}
#if CONFIG_VP9_TEMPORAL_DENOISING
vp9_denoiser_reset_frame_stats(ctx);
if (cpi->oxcf.noise_sensitivity > 0 &&
cpi->denoiser.denoising_level > kDenLowLow) {
vp9_denoiser_reset_frame_stats(ctx);
}
#endif
if (cpi->rc.frames_since_golden == 0 && !cpi->use_svc) {
@@ -1642,7 +1645,8 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
}
#if CONFIG_VP9_TEMPORAL_DENOISING
if (cpi->oxcf.noise_sensitivity > 0) {
if (cpi->oxcf.noise_sensitivity > 0 &&
cpi->denoiser.denoising_level > kDenLowLow) {
vp9_denoiser_update_frame_stats(mi, sse_y, this_mode, ctx);
// Keep track of zero_last cost.
if (ref_frame == LAST_FRAME && frame_mv[this_mode][ref_frame].as_int == 0)
@@ -1823,7 +1827,9 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
#if CONFIG_VP9_TEMPORAL_DENOISING
if (cpi->oxcf.noise_sensitivity > 0 &&
cpi->resize_pending == 0) {
cpi->resize_pending == 0 &&
cpi->denoiser.denoising_level > kDenLowLow &&
cpi->denoiser.reset == 0) {
VP9_DENOISER_DECISION decision = COPY_BLOCK;
vp9_denoiser_denoise(cpi, x, mi_row, mi_col, VPXMAX(BLOCK_8X8, bsize),
ctx, &decision);