libvpx: Pull from upstream

source/libvpx/vp8/encoder/denoising.h

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef VP8_ENCODER_DENOISING_H_
 #define VP8_ENCODER_DENOISING_H_
 
 #include "block.h"
 #include "vp8/common/loopfilter.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #define SUM_DIFF_THRESHOLD (16 * 16 * 2)
 #define SUM_DIFF_THRESHOLD_HIGH (16 * 16 * 3)
 #define MOTION_MAGNITUDE_THRESHOLD (8*3)
 
 #define SUM_DIFF_THRESHOLD_UV (96)   // (8 * 8 * 1.5)
 #define SUM_DIFF_THRESHOLD_HIGH_UV (8 * 8 * 2)
-#define SUM_DIFF_FROM_AVG_THRESH_UV (8 * 8 * 4)
+#define SUM_DIFF_FROM_AVG_THRESH_UV (8 * 8 * 8)
 #define MOTION_MAGNITUDE_THRESHOLD_UV (8*3)
 
 enum vp8_denoiser_decision
 {
   COPY_BLOCK,
   FILTER_BLOCK
 };
 
 enum vp8_denoiser_filter_state {
   kNoFilter,
   kFilterZeroMV,
   kFilterNonZeroMV
 };
 
+enum vp8_denoiser_mode {
+  kDenoiserOff,
+  kDenoiserOnYOnly,
+  kDenoiserOnYUV,
+  kDenoiserOnYUVAggressive,
+  kDenoiserOnAdaptive
+};
+
+typedef struct {
+  // Scale factor on sse threshold above which no denoising is done.
+  unsigned int scale_sse_thresh;
+  // Scale factor on motion magnitude threshold above which no
+  // denoising is done.
+  unsigned int scale_motion_thresh;
+  // Scale factor on motion magnitude below which we increase the strength of
+  // the temporal filter (in function vp8_denoiser_filter).
+  unsigned int scale_increase_filter;
+  // Scale factor to bias to ZEROMV for denoising.
+  unsigned int denoise_mv_bias;
+  // Scale factor to bias to ZEROMV for coding mode selection.
+  unsigned int pickmode_mv_bias;
+  // Quantizer threshold below which we use the segmentation map to switch off
+  // loop filter for blocks that have been coded as ZEROMV-LAST a certain number
+  // (consec_zerolast) of consecutive frames. Note that the delta-QP is set to
+  // 0 when segmentation map is used for shutting off loop filter.
+  unsigned int qp_thresh;
+  // Threshold for number of consecutive frames for blocks coded as ZEROMV-LAST.
+  unsigned int consec_zerolast;
+} denoise_params;
+
 typedef struct vp8_denoiser
 {
     YV12_BUFFER_CONFIG yv12_running_avg[MAX_REF_FRAMES];
     YV12_BUFFER_CONFIG yv12_mc_running_avg;
+    // TODO(marpan): Should remove yv12_last_source and use vp8_lookahead_peak.
+    YV12_BUFFER_CONFIG yv12_last_source;
     unsigned char* denoise_state;
     int num_mb_cols;
+    int denoiser_mode;
+    int threshold_aggressive_mode;
+    int nmse_source_diff;
+    int nmse_source_diff_count;
+    denoise_params denoise_pars;
 } VP8_DENOISER;
 
 int vp8_denoiser_allocate(VP8_DENOISER *denoiser, int width, int height,
-                          int num_mb_rows, int num_mb_cols);
+                          int num_mb_rows, int num_mb_cols, int mode);
 
 void vp8_denoiser_free(VP8_DENOISER *denoiser);
 
+void vp8_denoiser_set_parameters(VP8_DENOISER *denoiser, int mode);
+
 void vp8_denoiser_denoise_mb(VP8_DENOISER *denoiser,
                              MACROBLOCK *x,
                              unsigned int best_sse,
                              unsigned int zero_mv_sse,
                              int recon_yoffset,
                              int recon_uvoffset,
                              loop_filter_info_n *lfi_n,
                              int mb_row,
                              int mb_col,
-                             int block_index,
-                             int uv_denoise);
+                             int block_index);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // VP8_ENCODER_DENOISING_H_