From c66f612c4bf527401701b7b95e0d3886a660fd74 Mon Sep 17 00:00:00 2001
From: Tim Kopp <tkopp@google.com>
Date: Fri, 18 Jul 2014 14:15:30 -0700
Subject: [PATCH] VP9 denoiser fix: ref frames now updated properly
The ALT_REF_FRAME is now updated in the case of a KEY_FRAME in the VP9 denoiser.
Change-Id: Idf9a9772706f50e774fb240afcc01db38841043c
---
vp9/encoder/vp9_denoiser.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/vp9/encoder/vp9_denoiser.c b/vp9/encoder/vp9_denoiser.c
index ca84a1b39c..90ea9cc256 100644
--- a/vp9/encoder/vp9_denoiser.c
+++ b/vp9/encoder/vp9_denoiser.c
@@ -345,10 +345,9 @@ void vp9_denoiser_update_frame_info(VP9_DENOISER *denoiser,
int refresh_last_frame) {
if (frame_type == KEY_FRAME) {
int i;
- copy_frame(denoiser->running_avg_y[LAST_FRAME], src);
- for (i = 2; i < MAX_REF_FRAMES - 1; i++) {
- copy_frame(denoiser->running_avg_y[i],
- denoiser->running_avg_y[LAST_FRAME]);
+ // Start at 1 so as not to overwrite the INTRA_FRAME
+ for (i = 1; i < MAX_REF_FRAMES; ++i) {
+ copy_frame(denoiser->running_avg_y[i], src);
}
} else { /* For non key frames */
if (refresh_alt_ref_frame) {
--
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