1 /* 2 * Copyright (c) 2017 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 "modules/audio_processing/test/conversational_speech/wavreader_factory.h" 12 13 #include <cstddef> 14 15 #include "absl/strings/string_view.h" 16 #include "api/array_view.h" 17 #include "common_audio/wav_file.h" 18 #include "rtc_base/checks.h" 19 20 namespace webrtc { 21 namespace test { 22 namespace { 23 24 using conversational_speech::WavReaderInterface; 25 26 class WavReaderAdaptor final : public WavReaderInterface { 27 public: WavReaderAdaptor(absl::string_view filepath)28 explicit WavReaderAdaptor(absl::string_view filepath) 29 : wav_reader_(filepath) {} 30 ~WavReaderAdaptor() override = default; 31 ReadFloatSamples(rtc::ArrayView<float> samples)32 size_t ReadFloatSamples(rtc::ArrayView<float> samples) override { 33 return wav_reader_.ReadSamples(samples.size(), samples.begin()); 34 } 35 ReadInt16Samples(rtc::ArrayView<int16_t> samples)36 size_t ReadInt16Samples(rtc::ArrayView<int16_t> samples) override { 37 return wav_reader_.ReadSamples(samples.size(), samples.begin()); 38 } 39 SampleRate() const40 int SampleRate() const override { return wav_reader_.sample_rate(); } 41 NumChannels() const42 size_t NumChannels() const override { return wav_reader_.num_channels(); } 43 NumSamples() const44 size_t NumSamples() const override { return wav_reader_.num_samples(); } 45 46 private: 47 WavReader wav_reader_; 48 }; 49 50 } // namespace 51 52 namespace conversational_speech { 53 54 WavReaderFactory::WavReaderFactory() = default; 55 56 WavReaderFactory::~WavReaderFactory() = default; 57 Create(absl::string_view filepath) const58std::unique_ptr<WavReaderInterface> WavReaderFactory::Create( 59 absl::string_view filepath) const { 60 return std::unique_ptr<WavReaderAdaptor>(new WavReaderAdaptor(filepath)); 61 } 62 63 } // namespace conversational_speech 64 } // namespace test 65 } // namespace webrtc 66