1 /* 2 * Copyright (c) 2016 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 #ifndef MODULES_AUDIO_PROCESSING_TEST_WAV_BASED_SIMULATOR_H_ 12 #define MODULES_AUDIO_PROCESSING_TEST_WAV_BASED_SIMULATOR_H_ 13 14 #include <vector> 15 16 #include "absl/strings/string_view.h" 17 #include "modules/audio_processing/test/audio_processing_simulator.h" 18 19 namespace webrtc { 20 namespace test { 21 22 // Used to perform an audio processing simulation from wav files. 23 class WavBasedSimulator final : public AudioProcessingSimulator { 24 public: 25 WavBasedSimulator(const SimulationSettings& settings, 26 rtc::scoped_refptr<AudioProcessing> audio_processing, 27 std::unique_ptr<AudioProcessingBuilder> ap_builder); 28 29 WavBasedSimulator() = delete; 30 WavBasedSimulator(const WavBasedSimulator&) = delete; 31 WavBasedSimulator& operator=(const WavBasedSimulator&) = delete; 32 33 ~WavBasedSimulator() override; 34 35 // Processes the WAV input. 36 void Process() override; 37 38 // Only analyzes the data for the simulation, instead of perform any 39 // processing. 40 void Analyze() override; 41 42 private: 43 enum SimulationEventType { 44 kProcessStream, 45 kProcessReverseStream, 46 }; 47 48 void Initialize(); 49 bool HandleProcessStreamCall(); 50 bool HandleProcessReverseStreamCall(); 51 void PrepareProcessStreamCall(); 52 void PrepareReverseProcessStreamCall(); 53 static std::vector<SimulationEventType> GetDefaultEventChain(); 54 static std::vector<SimulationEventType> GetCustomEventChain( 55 absl::string_view filename); 56 57 std::vector<SimulationEventType> call_chain_; 58 }; 59 60 } // namespace test 61 } // namespace webrtc 62 63 #endif // MODULES_AUDIO_PROCESSING_TEST_WAV_BASED_SIMULATOR_H_ 64