audio_util.cc (1792B)
1 /* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "common_audio/include/audio_util.h" 12 13 #include <cstddef> 14 #include <cstdint> 15 16 namespace webrtc { 17 18 void FloatToS16(const float* src, size_t size, int16_t* dest) { 19 for (size_t i = 0; i < size; ++i) 20 dest[i] = FloatToS16(src[i]); 21 } 22 23 void S16ToFloat(const int16_t* src, size_t size, float* dest) { 24 for (size_t i = 0; i < size; ++i) 25 dest[i] = S16ToFloat(src[i]); 26 } 27 28 void S16ToFloatS16(const int16_t* src, size_t size, float* dest) { 29 for (size_t i = 0; i < size; ++i) 30 dest[i] = src[i]; 31 } 32 33 void FloatS16ToS16(const float* src, size_t size, int16_t* dest) { 34 for (size_t i = 0; i < size; ++i) 35 dest[i] = FloatS16ToS16(src[i]); 36 } 37 38 void FloatToFloatS16(const float* src, size_t size, float* dest) { 39 for (size_t i = 0; i < size; ++i) 40 dest[i] = FloatToFloatS16(src[i]); 41 } 42 43 void FloatS16ToFloat(const float* src, size_t size, float* dest) { 44 for (size_t i = 0; i < size; ++i) 45 dest[i] = FloatS16ToFloat(src[i]); 46 } 47 48 template <> 49 void DownmixInterleavedToMono<int16_t>(const int16_t* interleaved, 50 size_t num_frames, 51 int num_channels, 52 int16_t* deinterleaved) { 53 DownmixInterleavedToMonoImpl<int16_t, int32_t>(interleaved, num_frames, 54 num_channels, deinterleaved); 55 } 56 57 } // namespace webrtc