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 #include "webrtc/base/checks.h" 12 #include "webrtc/modules/video_processing/util/denoiser_filter.h" 13 #include "webrtc/modules/video_processing/util/denoiser_filter_c.h" 14 #include "webrtc/modules/video_processing/util/denoiser_filter_neon.h" 15 #include "webrtc/modules/video_processing/util/denoiser_filter_sse2.h" 16 #include "webrtc/system_wrappers/include/cpu_features_wrapper.h" 17 18 namespace webrtc { 19 20 const int kMotionMagnitudeThreshold = 8 * 3; 21 const int kSumDiffThreshold = 16 * 16 * 2; 22 const int kSumDiffThresholdHigh = 600; 23 24 rtc::scoped_ptr<DenoiserFilter> DenoiserFilter::Create( 25 bool runtime_cpu_detection) { 26 rtc::scoped_ptr<DenoiserFilter> filter; 27 28 if (runtime_cpu_detection) { 29 // If we know the minimum architecture at compile time, avoid CPU detection. 30 #if defined(WEBRTC_ARCH_X86_FAMILY) 31 // x86 CPU detection required. 32 if (WebRtc_GetCPUInfo(kSSE2)) { 33 filter.reset(new DenoiserFilterSSE2()); 34 } else { 35 filter.reset(new DenoiserFilterC()); 36 } 37 #elif defined(WEBRTC_DETECT_NEON) 38 if (WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) { 39 filter.reset(new DenoiserFilterNEON()); 40 } else { 41 filter.reset(new DenoiserFilterC()); 42 } 43 #else 44 filter.reset(new DenoiserFilterC()); 45 #endif 46 } else { 47 filter.reset(new DenoiserFilterC()); 48 } 49 50 RTC_DCHECK(filter.get() != nullptr); 51 return filter; 52 } 53 54 } // namespace webrtc 55
