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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 /* | 11 /* |
12 * The core AEC algorithm, neon version of speed-critical functions. | 12 * The core AEC algorithm, neon version of speed-critical functions. |
13 * | 13 * |
14 * Based on aec_core_sse2.c. | 14 * Based on aec_core_sse2.c. |
15 */ | 15 */ |
16 | 16 |
17 #include <arm_neon.h> | 17 #include <arm_neon.h> |
18 #include <math.h> | 18 #include <math.h> |
19 #include <string.h> // memset | 19 #include <string.h> // memset |
20 | 20 |
21 extern "C" { | 21 extern "C" { |
22 #include "webrtc/common_audio/signal_processing/include/signal_processing_librar
y.h" | 22 #include "webrtc/common_audio/signal_processing/include/signal_processing_librar
y.h" |
23 } | 23 } |
24 #include "webrtc/modules/audio_processing/aec/aec_common.h" | 24 #include "webrtc/modules/audio_processing/aec/aec_common.h" |
25 #include "webrtc/modules/audio_processing/aec/aec_core_internal.h" | 25 #include "webrtc/modules/audio_processing/aec/aec_core_optimized_methods.h" |
26 #include "webrtc/modules/audio_processing/aec/aec_rdft.h" | 26 #include "webrtc/modules/audio_processing/aec/aec_rdft.h" |
27 | 27 |
28 namespace webrtc { | 28 namespace webrtc { |
29 | 29 |
30 enum { kShiftExponentIntoTopMantissa = 8 }; | 30 enum { kShiftExponentIntoTopMantissa = 8 }; |
31 enum { kFloatExponentShift = 23 }; | 31 enum { kFloatExponentShift = 23 }; |
32 | 32 |
33 __inline static float MulRe(float aRe, float aIm, float bRe, float bIm) { | 33 __inline static float MulRe(float aRe, float aIm, float bRe, float bIm) { |
34 return aRe * bRe - aIm * bIm; | 34 return aRe * bRe - aIm * bIm; |
35 } | 35 } |
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727 WebRtcAec_FilterAdaptation = FilterAdaptationNEON; | 727 WebRtcAec_FilterAdaptation = FilterAdaptationNEON; |
728 WebRtcAec_Overdrive = OverdriveNEON; | 728 WebRtcAec_Overdrive = OverdriveNEON; |
729 WebRtcAec_Suppress = SuppressNEON; | 729 WebRtcAec_Suppress = SuppressNEON; |
730 WebRtcAec_ComputeCoherence = ComputeCoherenceNEON; | 730 WebRtcAec_ComputeCoherence = ComputeCoherenceNEON; |
731 WebRtcAec_UpdateCoherenceSpectra = UpdateCoherenceSpectraNEON; | 731 WebRtcAec_UpdateCoherenceSpectra = UpdateCoherenceSpectraNEON; |
732 WebRtcAec_StoreAsComplex = StoreAsComplexNEON; | 732 WebRtcAec_StoreAsComplex = StoreAsComplexNEON; |
733 WebRtcAec_PartitionDelay = PartitionDelayNEON; | 733 WebRtcAec_PartitionDelay = PartitionDelayNEON; |
734 WebRtcAec_WindowData = WindowDataNEON; | 734 WebRtcAec_WindowData = WindowDataNEON; |
735 } | 735 } |
736 } // namespace webrtc | 736 } // namespace webrtc |
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