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ca90a552e9
The gain suggested by AGC is optionally used in audioproc_f to simulate analog gain applied to the mic. The simulation is done by applying digital gain to the input samples. This functionality is optional and disabled by default. If an AECdump is provided and the mic gain simulation is enabled, an extra "level undo" step is performed to virtually restore the unmodified mic signal. This CL has been ported from https://codereview.webrtc.org/2834643002/. Bug: webrtc:7494 Change-Id: I0df52b5d45a6bfa1efced980d8d6de5c5d9bed48 Reviewed-on: https://webrtc-review.googlesource.com/2685 Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Reviewed-by: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19992}
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
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* Copyright (c) 2016 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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#ifndef MODULES_AUDIO_PROCESSING_TEST_WAV_BASED_SIMULATOR_H_
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#define MODULES_AUDIO_PROCESSING_TEST_WAV_BASED_SIMULATOR_H_
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#include <vector>
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#include "modules/audio_processing/test/audio_processing_simulator.h"
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#include "rtc_base/constructormagic.h"
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namespace webrtc {
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namespace test {
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// Used to perform an audio processing simulation from wav files.
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class WavBasedSimulator final : public AudioProcessingSimulator {
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public:
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explicit WavBasedSimulator(const SimulationSettings& settings);
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~WavBasedSimulator() override;
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// Processes the WAV input.
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void Process() override;
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private:
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enum SimulationEventType {
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kProcessStream,
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kProcessReverseStream,
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};
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void Initialize();
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bool HandleProcessStreamCall();
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bool HandleProcessReverseStreamCall();
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void PrepareProcessStreamCall();
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void PrepareReverseProcessStreamCall();
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static std::vector<SimulationEventType> GetDefaultEventChain();
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static std::vector<SimulationEventType> GetCustomEventChain(
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const std::string& filename);
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std::vector<SimulationEventType> call_chain_;
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RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(WavBasedSimulator);
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};
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} // namespace test
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_TEST_WAV_BASED_SIMULATOR_H_
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