1 /* 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_VIDEO_PROCESSING_UTIL_DENOISER_FILTER_H_ 12 #define WEBRTC_MODULES_VIDEO_PROCESSING_UTIL_DENOISER_FILTER_H_ 13 14 #include "webrtc/base/scoped_ptr.h" 15 #include "webrtc/modules/include/module_common_types.h" 16 #include "webrtc/modules/video_processing/include/video_processing_defines.h" 17 18 namespace webrtc { 19 20 extern const int kMotionMagnitudeThreshold; 21 extern const int kSumDiffThreshold; 22 extern const int kSumDiffThresholdHigh; 23 24 enum DenoiserDecision { COPY_BLOCK, FILTER_BLOCK }; 25 struct DenoiseMetrics { 26 uint32_t var; 27 uint32_t sad; 28 uint8_t denoise; 29 bool is_skin; 30 }; 31 32 class DenoiserFilter { 33 public: 34 static rtc::scoped_ptr<DenoiserFilter> Create(bool runtime_cpu_detection); 35 36 virtual ~DenoiserFilter() {} 37 38 virtual void CopyMem16x16(const uint8_t* src, 39 int src_stride, 40 uint8_t* dst, 41 int dst_stride) = 0; 42 virtual void CopyMem8x8(const uint8_t* src, 43 int src_stride, 44 uint8_t* dst, 45 int dst_stride) = 0; 46 virtual uint32_t Variance16x8(const uint8_t* a, 47 int a_stride, 48 const uint8_t* b, 49 int b_stride, 50 unsigned int* sse) = 0; 51 virtual DenoiserDecision MbDenoise(uint8_t* mc_running_avg_y, 52 int mc_avg_y_stride, 53 uint8_t* running_avg_y, 54 int avg_y_stride, 55 const uint8_t* sig, 56 int sig_stride, 57 uint8_t motion_magnitude, 58 int increase_denoising) = 0; 59 }; 60 61 } // namespace webrtc 62 63 #endif // WEBRTC_MODULES_VIDEO_PROCESSING_UTIL_DENOISER_FILTER_H_ 64