Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/vp8/encoder/denoising.h

Index: third_party/libvpx/source/libvpx/vp8/encoder/denoising.h
diff --git a/third_party/libvpx/source/libvpx/vp8/encoder/denoising.h b/third_party/libvpx/source/libvpx/vp8/encoder/denoising.h
new file mode 100644
index 0000000000000000000000000000000000000000..9a379a6a1682ab82b1676b4de43029f35cf47992
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/vp8/encoder/denoising.h
@@ -0,0 +1,117 @@
+/*
+ *  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 (600)  // ~(16 * 16 * 1.5)
+#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 * 8)
+#define MOTION_MAGNITUDE_THRESHOLD_UV (8*3)
+
+#define MAX_GF_ARF_DENOISE_RANGE (8)
+
+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;
+  // Threshold for amount of spatial blur on Y channel. 0 means no spatial blur.
+  unsigned int spatial_blur;
+} 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;
+    int qp_avg;
+    int qp_threshold_up;
+    int qp_threshold_down;
+    int bitrate_threshold;
+    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 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);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP8_ENCODER_DENOISING_H_