/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/base/checks.h"
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#include "webrtc/modules/video_processing/util/denoiser_filter.h"
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#include "webrtc/modules/video_processing/util/denoiser_filter_c.h"
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#include "webrtc/modules/video_processing/util/denoiser_filter_neon.h"
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#include "webrtc/modules/video_processing/util/denoiser_filter_sse2.h"
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#include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
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namespace webrtc {
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const int kMotionMagnitudeThreshold = 8 * 3;
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const int kSumDiffThreshold = 16 * 16 * 2;
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const int kSumDiffThresholdHigh = 600;
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rtc::scoped_ptr<DenoiserFilter> DenoiserFilter::Create(
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bool runtime_cpu_detection) {
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rtc::scoped_ptr<DenoiserFilter> filter;
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if (runtime_cpu_detection) {
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// If we know the minimum architecture at compile time, avoid CPU detection.
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#if defined(WEBRTC_ARCH_X86_FAMILY)
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// x86 CPU detection required.
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if (WebRtc_GetCPUInfo(kSSE2)) {
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filter.reset(new DenoiserFilterSSE2());
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} else {
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filter.reset(new DenoiserFilterC());
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}
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#elif defined(WEBRTC_DETECT_NEON)
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if (WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) {
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filter.reset(new DenoiserFilterNEON());
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} else {
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filter.reset(new DenoiserFilterC());
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}
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#else
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filter.reset(new DenoiserFilterC());
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#endif
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} else {
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filter.reset(new DenoiserFilterC());
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}
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RTC_DCHECK(filter.get() != nullptr);
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return filter;
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}
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} // namespace webrtc
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