blob: d088ddab1c17e60900b5f3b8c2ccecdac89675bf [file] [log] [blame]
/*
* 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/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/rtc_base/checks.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