5f163fcaa0
This updates test code that tests interleaved audio frames to use some of the same properties and types as AudioFrame (rather than copy). The CL also moves code from audio_processing_unittest.cc that modifies the buffer owned by Int16FrameData, into Int16FrameData. Bug: none Change-Id: Iab37227deb302bf4fc832633d312262e5249caad Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/355960 Reviewed-by: Per Åhgren <peah@webrtc.org> Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43424}
137 lines
4.8 KiB
C++
137 lines
4.8 KiB
C++
/*
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* Copyright (c) 2015 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 "modules/audio_processing/test/test_utils.h"
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#include <algorithm>
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#include <string>
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#include <utility>
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#include "absl/strings/string_view.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/system/arch.h"
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namespace webrtc {
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void Int16FrameData::CopyFrom(const Int16FrameData& src) {
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sample_rate_hz = src.sample_rate_hz;
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view_ = InterleavedView<int16_t>(data.data(), src.samples_per_channel(),
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src.num_channels());
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RTC_CHECK_LE(view_.size(), kMaxDataSizeSamples);
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CopySamples(view_, src.view());
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}
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bool Int16FrameData::IsEqual(const Int16FrameData& frame) const {
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return samples_per_channel() == frame.samples_per_channel() &&
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num_channels() == num_channels() &&
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memcmp(data.data(), frame.data.data(),
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samples_per_channel() * num_channels() * sizeof(int16_t)) == 0;
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}
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void Int16FrameData::Scale(float f) {
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std::for_each(data.begin(), data.end(),
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[f](int16_t& sample) { sample = FloatS16ToS16(sample * f); });
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}
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void Int16FrameData::SetProperties(size_t samples_per_channel,
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size_t num_channels) {
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sample_rate_hz = samples_per_channel * 100;
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view_ =
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InterleavedView<int16_t>(data.data(), samples_per_channel, num_channels);
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RTC_CHECK_LE(view_.size(), kMaxDataSizeSamples);
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}
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void Int16FrameData::set_num_channels(size_t num_channels) {
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view_ = InterleavedView<int16_t>(data.data(), samples_per_channel(),
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num_channels);
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RTC_CHECK_LE(view_.size(), kMaxDataSizeSamples);
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}
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void Int16FrameData::FillData(int16_t value) {
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std::fill(&data[0], &data[size()], value);
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}
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void Int16FrameData::FillStereoData(int16_t left, int16_t right) {
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RTC_DCHECK_EQ(num_channels(), 2u);
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for (size_t i = 0; i < samples_per_channel() * 2u; i += 2u) {
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data[i] = left;
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data[i + 1] = right;
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}
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}
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ChannelBufferWavReader::ChannelBufferWavReader(std::unique_ptr<WavReader> file)
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: file_(std::move(file)) {}
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ChannelBufferWavReader::~ChannelBufferWavReader() = default;
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bool ChannelBufferWavReader::Read(ChannelBuffer<float>* buffer) {
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RTC_CHECK_EQ(file_->num_channels(), buffer->num_channels());
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interleaved_.resize(buffer->size());
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if (file_->ReadSamples(interleaved_.size(), &interleaved_[0]) !=
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interleaved_.size()) {
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return false;
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}
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FloatS16ToFloat(&interleaved_[0], interleaved_.size(), &interleaved_[0]);
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Deinterleave(&interleaved_[0], buffer->num_frames(), buffer->num_channels(),
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buffer->channels());
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return true;
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}
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ChannelBufferWavWriter::ChannelBufferWavWriter(std::unique_ptr<WavWriter> file)
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: file_(std::move(file)) {}
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ChannelBufferWavWriter::~ChannelBufferWavWriter() = default;
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void ChannelBufferWavWriter::Write(const ChannelBuffer<float>& buffer) {
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RTC_CHECK_EQ(file_->num_channels(), buffer.num_channels());
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interleaved_.resize(buffer.size());
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InterleavedView<float> view(&interleaved_[0], buffer.num_frames(),
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buffer.num_channels());
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const float* samples = buffer.channels()[0];
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DeinterleavedView<const float> source(samples, buffer.num_frames(),
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buffer.num_channels());
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Interleave(source, view);
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FloatToFloatS16(&interleaved_[0], interleaved_.size(), &interleaved_[0]);
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file_->WriteSamples(&interleaved_[0], interleaved_.size());
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}
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ChannelBufferVectorWriter::ChannelBufferVectorWriter(std::vector<float>* output)
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: output_(output) {
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RTC_DCHECK(output_);
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}
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ChannelBufferVectorWriter::~ChannelBufferVectorWriter() = default;
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void ChannelBufferVectorWriter::Write(const ChannelBuffer<float>& buffer) {
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// Account for sample rate changes throughout a simulation.
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interleaved_buffer_.resize(buffer.size());
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InterleavedView<float> view(&interleaved_buffer_[0], buffer.num_frames(),
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buffer.num_channels());
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Interleave(buffer.channels(), buffer.num_frames(), buffer.num_channels(),
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view);
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size_t old_size = output_->size();
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output_->resize(old_size + interleaved_buffer_.size());
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FloatToFloatS16(interleaved_buffer_.data(), interleaved_buffer_.size(),
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output_->data() + old_size);
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}
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FILE* OpenFile(absl::string_view filename, absl::string_view mode) {
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std::string filename_str(filename);
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FILE* file = fopen(filename_str.c_str(), std::string(mode).c_str());
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if (!file) {
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printf("Unable to open file %s\n", filename_str.c_str());
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exit(1);
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}
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return file;
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}
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} // namespace webrtc
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