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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
94 lines
4.7 KiB
C++
94 lines
4.7 KiB
C++
/*
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* Copyright (c) 2011 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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#ifndef MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_TABLES_NEON_SSE2_H_
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#define MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_TABLES_NEON_SSE2_H_
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#include "modules/audio_processing/utility/ooura_fft.h"
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#ifdef _MSC_VER /* visual c++ */
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#define ALIGN16_BEG __declspec(align(16))
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#define ALIGN16_END
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#else /* gcc or icc */
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#define ALIGN16_BEG
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#define ALIGN16_END __attribute__((aligned(16)))
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#endif
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namespace webrtc {
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// These tables used to be computed at run-time. For example, refer to:
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// https://code.google.com/p/webrtc/source/browse/trunk/webrtc/modules/audio_processing/utility/apm_rdft.c?r=6564
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// to see the initialization code.
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#if defined(WEBRTC_ARCH_X86_FAMILY) || defined(WEBRTC_HAS_NEON)
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// Constants used by SSE2 and NEON but initialized in the C path.
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const ALIGN16_BEG float ALIGN16_END k_swap_sign[4] = {-1.f, 1.f, -1.f, 1.f};
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ALIGN16_BEG const float ALIGN16_END rdft_wk1r[32] = {
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1.000000000f, 1.000000000f, 0.707106769f, 0.707106769f, 0.923879564f,
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0.923879564f, 0.382683456f, 0.382683456f, 0.980785251f, 0.980785251f,
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0.555570245f, 0.555570245f, 0.831469595f, 0.831469595f, 0.195090324f,
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0.195090324f, 0.995184720f, 0.995184720f, 0.634393334f, 0.634393334f,
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0.881921291f, 0.881921291f, 0.290284663f, 0.290284663f, 0.956940353f,
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0.956940353f, 0.471396744f, 0.471396744f, 0.773010433f, 0.773010433f,
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0.098017141f, 0.098017141f,
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};
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ALIGN16_BEG const float ALIGN16_END rdft_wk2r[32] = {
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1.000000000f, 1.000000000f, -0.000000000f, -0.000000000f, 0.707106769f,
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0.707106769f, -0.707106769f, -0.707106769f, 0.923879564f, 0.923879564f,
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-0.382683456f, -0.382683456f, 0.382683456f, 0.382683456f, -0.923879564f,
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-0.923879564f, 0.980785251f, 0.980785251f, -0.195090324f, -0.195090324f,
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0.555570245f, 0.555570245f, -0.831469595f, -0.831469595f, 0.831469595f,
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0.831469595f, -0.555570245f, -0.555570245f, 0.195090324f, 0.195090324f,
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-0.980785251f, -0.980785251f,
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};
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ALIGN16_BEG const float ALIGN16_END rdft_wk3r[32] = {
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1.000000000f, 1.000000000f, -0.707106769f, -0.707106769f, 0.382683456f,
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0.382683456f, -0.923879564f, -0.923879564f, 0.831469536f, 0.831469536f,
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-0.980785251f, -0.980785251f, -0.195090353f, -0.195090353f, -0.555570245f,
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-0.555570245f, 0.956940353f, 0.956940353f, -0.881921172f, -0.881921172f,
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0.098017156f, 0.098017156f, -0.773010492f, -0.773010492f, 0.634393334f,
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0.634393334f, -0.995184720f, -0.995184720f, -0.471396863f, -0.471396863f,
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-0.290284693f, -0.290284693f,
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};
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ALIGN16_BEG const float ALIGN16_END rdft_wk1i[32] = {
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-0.000000000f, 0.000000000f, -0.707106769f, 0.707106769f, -0.382683456f,
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0.382683456f, -0.923879564f, 0.923879564f, -0.195090324f, 0.195090324f,
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-0.831469595f, 0.831469595f, -0.555570245f, 0.555570245f, -0.980785251f,
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0.980785251f, -0.098017141f, 0.098017141f, -0.773010433f, 0.773010433f,
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-0.471396744f, 0.471396744f, -0.956940353f, 0.956940353f, -0.290284663f,
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0.290284663f, -0.881921291f, 0.881921291f, -0.634393334f, 0.634393334f,
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-0.995184720f, 0.995184720f,
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};
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ALIGN16_BEG const float ALIGN16_END rdft_wk2i[32] = {
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-0.000000000f, 0.000000000f, -1.000000000f, 1.000000000f, -0.707106769f,
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0.707106769f, -0.707106769f, 0.707106769f, -0.382683456f, 0.382683456f,
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-0.923879564f, 0.923879564f, -0.923879564f, 0.923879564f, -0.382683456f,
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0.382683456f, -0.195090324f, 0.195090324f, -0.980785251f, 0.980785251f,
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-0.831469595f, 0.831469595f, -0.555570245f, 0.555570245f, -0.555570245f,
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0.555570245f, -0.831469595f, 0.831469595f, -0.980785251f, 0.980785251f,
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-0.195090324f, 0.195090324f,
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};
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ALIGN16_BEG const float ALIGN16_END rdft_wk3i[32] = {
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-0.000000000f, 0.000000000f, -0.707106769f, 0.707106769f, -0.923879564f,
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0.923879564f, 0.382683456f, -0.382683456f, -0.555570245f, 0.555570245f,
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-0.195090353f, 0.195090353f, -0.980785251f, 0.980785251f, 0.831469536f,
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-0.831469536f, -0.290284693f, 0.290284693f, -0.471396863f, 0.471396863f,
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-0.995184720f, 0.995184720f, 0.634393334f, -0.634393334f, -0.773010492f,
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0.773010492f, 0.098017156f, -0.098017156f, -0.881921172f, 0.881921172f,
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0.956940353f, -0.956940353f,
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};
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ALIGN16_BEG const float ALIGN16_END cftmdl_wk1r[4] = {
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0.707106769f, 0.707106769f, 0.707106769f, -0.707106769f,
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};
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#endif
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_TABLES_NEON_SSE2_H_
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