mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-19 14:37:32 +00:00
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2011 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC_MAIN_SOURCE_AEC_RDFT_H_
|
||
|
|
#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC_MAIN_SOURCE_AEC_RDFT_H_
|
||
|
|
|
||
|
|
// These intrinsics were unavailable before VS 2008.
|
||
|
|
// TODO(andrew): move to a common file.
|
||
|
|
#if defined(_MSC_VER) && _MSC_VER < 1500
|
||
|
|
#include <emmintrin.h>
|
||
|
|
static __inline __m128 _mm_castsi128_ps(__m128i a) { return *(__m128*)&a; }
|
||
|
|
static __inline __m128i _mm_castps_si128(__m128 a) { return *(__m128i*)&a; }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _MSC_VER /* visual c++ */
|
||
|
|
#define ALIGN16_BEG __declspec(align(16))
|
||
|
|
#define ALIGN16_END
|
||
|
|
#else /* gcc or icc */
|
||
|
|
#define ALIGN16_BEG
|
||
|
|
#define ALIGN16_END __attribute__((aligned(16)))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// constants shared by all paths (C, SSE2).
|
||
|
|
extern float rdft_w[64];
|
||
|
|
// constants used by the C path.
|
||
|
|
extern float rdft_wk3ri_first[32];
|
||
|
|
extern float rdft_wk3ri_second[32];
|
||
|
|
// constants used by SSE2 but initialized in C path.
|
||
|
|
extern ALIGN16_BEG float ALIGN16_END rdft_wk1r[32];
|
||
|
|
extern ALIGN16_BEG float ALIGN16_END rdft_wk2r[32];
|
||
|
|
extern ALIGN16_BEG float ALIGN16_END rdft_wk3r[32];
|
||
|
|
extern ALIGN16_BEG float ALIGN16_END rdft_wk1i[32];
|
||
|
|
extern ALIGN16_BEG float ALIGN16_END rdft_wk2i[32];
|
||
|
|
extern ALIGN16_BEG float ALIGN16_END rdft_wk3i[32];
|
||
|
|
extern ALIGN16_BEG float ALIGN16_END cftmdl_wk1r[4];
|
||
|
|
|
||
|
|
// code path selection function pointers
|
||
|
|
typedef void (*rft_sub_128_t)(float* a);
|
||
|
|
extern rft_sub_128_t rftfsub_128;
|
||
|
|
extern rft_sub_128_t rftbsub_128;
|
||
|
|
extern rft_sub_128_t cft1st_128;
|
||
|
|
extern rft_sub_128_t cftmdl_128;
|
||
|
|
extern rft_sub_128_t cftfsub_128;
|
||
|
|
extern rft_sub_128_t cftbsub_128;
|
||
|
|
extern rft_sub_128_t bitrv2_128;
|
||
|
|
|
||
|
|
// entry points
|
||
|
|
void aec_rdft_init(void);
|
||
|
|
void aec_rdft_init_sse2(void);
|
||
|
|
void aec_rdft_forward_128(float* a);
|
||
|
|
void aec_rdft_inverse_128(float* a);
|
||
|
|
|
||
|
|
#if defined(MIPS_FPU_LE)
|
||
|
|
void aec_rdft_init_mips(void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_MAIN_SOURCE_AEC_RDFT_H_
|