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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/common_audio/fir_filter_factory.cc | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/common_audio/fir_filter_factory.cc')
-rw-r--r-- | third_party/libwebrtc/common_audio/fir_filter_factory.cc | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/third_party/libwebrtc/common_audio/fir_filter_factory.cc b/third_party/libwebrtc/common_audio/fir_filter_factory.cc new file mode 100644 index 0000000000..2ecef6501f --- /dev/null +++ b/third_party/libwebrtc/common_audio/fir_filter_factory.cc @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2017 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 "common_audio/fir_filter_factory.h" + +#include "common_audio/fir_filter_c.h" +#include "rtc_base/checks.h" +#include "rtc_base/system/arch.h" + +#if defined(WEBRTC_HAS_NEON) +#include "common_audio/fir_filter_neon.h" +#elif defined(WEBRTC_ARCH_X86_FAMILY) +#include "common_audio/fir_filter_avx2.h" +#include "common_audio/fir_filter_sse.h" +#include "system_wrappers/include/cpu_features_wrapper.h" // kSSE2, WebRtc_G... +#endif + +namespace webrtc { + +FIRFilter* CreateFirFilter(const float* coefficients, + size_t coefficients_length, + size_t max_input_length) { + if (!coefficients || coefficients_length <= 0 || max_input_length <= 0) { + RTC_DCHECK_NOTREACHED(); + return nullptr; + } + + FIRFilter* filter = nullptr; +// If we know the minimum architecture at compile time, avoid CPU detection. +#if defined(WEBRTC_ARCH_X86_FAMILY) + // x86 CPU detection required. + if (GetCPUInfo(kAVX2)) { + filter = + new FIRFilterAVX2(coefficients, coefficients_length, max_input_length); + } else if (GetCPUInfo(kSSE2)) { + filter = + new FIRFilterSSE2(coefficients, coefficients_length, max_input_length); + } else { + filter = new FIRFilterC(coefficients, coefficients_length); + } +#elif defined(WEBRTC_HAS_NEON) + filter = + new FIRFilterNEON(coefficients, coefficients_length, max_input_length); +#else + filter = new FIRFilterC(coefficients, coefficients_length); +#endif + + return filter; +} + +} // namespace webrtc |