| /* |
| * Copyright (c) 2015 The WebRTC 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. |
| */ |
| |
| #include "webrtc/base/checks.h" |
| #include "webrtc/modules/video_processing/util/denoiser_filter.h" |
| #include "webrtc/modules/video_processing/util/denoiser_filter_c.h" |
| #include "webrtc/modules/video_processing/util/denoiser_filter_neon.h" |
| #include "webrtc/modules/video_processing/util/denoiser_filter_sse2.h" |
| #include "webrtc/system_wrappers/include/cpu_features_wrapper.h" |
| |
| namespace webrtc { |
| |
| const int kMotionMagnitudeThreshold = 8 * 3; |
| const int kSumDiffThreshold = 96; |
| const int kSumDiffThresholdHigh = 448; |
| |
| std::unique_ptr<DenoiserFilter> DenoiserFilter::Create( |
| bool runtime_cpu_detection, |
| CpuType* cpu_type) { |
| std::unique_ptr<DenoiserFilter> filter; |
| |
| if (cpu_type != nullptr) |
| *cpu_type = CPU_NOT_NEON; |
| if (runtime_cpu_detection) { |
| // If we know the minimum architecture at compile time, avoid CPU detection. |
| #if defined(WEBRTC_ARCH_X86_FAMILY) |
| #if defined(__SSE2__) |
| filter.reset(new DenoiserFilterSSE2()); |
| #else |
| // x86 CPU detection required. |
| if (WebRtc_GetCPUInfo(kSSE2)) { |
| filter.reset(new DenoiserFilterSSE2()); |
| } else { |
| filter.reset(new DenoiserFilterC()); |
| } |
| #endif |
| #elif defined(WEBRTC_HAS_NEON) |
| filter.reset(new DenoiserFilterNEON()); |
| if (cpu_type != nullptr) |
| *cpu_type = CPU_NEON; |
| #else |
| filter.reset(new DenoiserFilterC()); |
| #endif |
| } else { |
| filter.reset(new DenoiserFilterC()); |
| } |
| |
| RTC_DCHECK(filter.get() != nullptr); |
| return filter; |
| } |
| |
| } // namespace webrtc |