67e43c8b95
This CL changes the way that values are converted between fixed and floating point to -Avoid the former asymmetric conversion causing nonlinear distortions. -Reduce the complexity. Bug: webrtc:6594 Change-Id: I64d0cc31c5d16f397686a59a062cfbc4b336d94d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/132783 Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Commit-Queue: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28867}
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
/*
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* Copyright (c) 2013 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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#include "common_audio/include/audio_util.h"
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namespace webrtc {
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void S16ToFloat(const int16_t* src, size_t size, float* dest) {
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for (size_t i = 0; i < size; ++i)
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dest[i] = S16ToFloat(src[i]);
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}
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void FloatS16ToS16(const float* src, size_t size, int16_t* dest) {
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for (size_t i = 0; i < size; ++i)
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dest[i] = FloatS16ToS16(src[i]);
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}
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void FloatToFloatS16(const float* src, size_t size, float* dest) {
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for (size_t i = 0; i < size; ++i)
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dest[i] = FloatToFloatS16(src[i]);
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}
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void FloatS16ToFloat(const float* src, size_t size, float* dest) {
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for (size_t i = 0; i < size; ++i)
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dest[i] = FloatS16ToFloat(src[i]);
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}
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template <>
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void DownmixInterleavedToMono<int16_t>(const int16_t* interleaved,
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size_t num_frames,
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int num_channels,
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int16_t* deinterleaved) {
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DownmixInterleavedToMonoImpl<int16_t, int32_t>(interleaved, num_frames,
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num_channels, deinterleaved);
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}
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} // namespace webrtc
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