vp9: force refresh of long term ref when denoiser reset.

This will allocate extra frame buffer if long term temporal reference is
used and denoiser is enabled on non-key frame.

Add test.

Change-Id: I0e8d1fdb9a2d697a8eed7fe6206bcb362e69f1c8

1 files changed, 4 insertions, 1 deletions

diff --git a/vp9/encoder/vp9_denoiser.h b/vp9/encoder/vp9_denoiser.h
index 2362c4f50..1973e9898 100644
--- a/vp9/encoder/vp9_denoiser.h
+++ b/vp9/encoder/vp9_denoiser.h
@@ -50,6 +50,7 @@ typedef struct vp9_denoiser {
   int reset;
   int num_ref_frames;
   int num_layers;
+  unsigned int current_denoiser_frame;
   VP9_DENOISER_LEVEL denoising_level;
   VP9_DENOISER_LEVEL prev_denoising_level;
 } VP9_DENOISER;
@@ -111,7 +112,9 @@ static INLINE int total_adj_strong_thresh(BLOCK_SIZE bs,
 
 void vp9_denoiser_free(VP9_DENOISER *denoiser);
 
-void vp9_denoiser_set_noise_level(VP9_DENOISER *denoiser, int noise_level);
+void vp9_denoiser_set_noise_level(struct VP9_COMP *const cpi, int noise_level);
+
+void vp9_denoiser_reset_on_first_frame(struct VP9_COMP *const cpi);
 
 int64_t vp9_scale_part_thresh(int64_t threshold, VP9_DENOISER_LEVEL noise_level,
                               int content_state, int temporal_layer_id);