1 files changed, 54 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/vp9_noise_estimate.h b/media/libvpx/libvpx/vp9/encoder/vp9_noise_estimate.h
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+++ b/media/libvpx/libvpx/vp9/encoder/vp9_noise_estimate.h
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+/*
+ *  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 VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_
+#define VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_
+
+#include "vp9/encoder/vp9_block.h"
+#include "vp9/encoder/vp9_skin_detection.h"
+#include "vpx_scale/yv12config.h"
+
+#if CONFIG_VP9_TEMPORAL_DENOISING
+#include "vp9/encoder/vp9_denoiser.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAX_VAR_HIST_BINS 20
+
+typedef enum noise_level { kLowLow, kLow, kMedium, kHigh } NOISE_LEVEL;
+
+typedef struct noise_estimate {
+  int enabled;
+  NOISE_LEVEL level;
+  int value;
+  int thresh;
+  int adapt_thresh;
+  int count;
+  int last_w;
+  int last_h;
+  int num_frames_estimate;
+} NOISE_ESTIMATE;
+
+struct VP9_COMP;
+
+void vp9_noise_estimate_init(NOISE_ESTIMATE *const ne, int width, int height);
+
+NOISE_LEVEL vp9_noise_estimate_extract_level(NOISE_ESTIMATE *const ne);
+
+void vp9_update_noise_estimate(struct VP9_COMP *const cpi);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_