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0146a34b3f
Bug: webrtc:12338 Change-Id: I27ad3a5fe6e765379e4e4f42783558c5522bab38 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227091 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34620}
161 lines
5.5 KiB
C++
161 lines
5.5 KiB
C++
/*
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* Copyright (c) 2014 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 AUDIO_DEVICE_FILE_AUDIO_DEVICE_H_
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#define AUDIO_DEVICE_FILE_AUDIO_DEVICE_H_
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#include <stdio.h>
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#include <memory>
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#include <string>
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#include "modules/audio_device/audio_device_generic.h"
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#include "rtc_base/platform_thread.h"
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#include "rtc_base/synchronization/mutex.h"
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#include "rtc_base/system/file_wrapper.h"
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#include "rtc_base/time_utils.h"
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namespace webrtc {
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// This is a fake audio device which plays audio from a file as its microphone
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// and plays out into a file.
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class FileAudioDevice : public AudioDeviceGeneric {
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public:
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// Constructs a file audio device with `id`. It will read audio from
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// `inputFilename` and record output audio to `outputFilename`.
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//
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// The input file should be a readable 48k stereo raw file, and the output
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// file should point to a writable location. The output format will also be
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// 48k stereo raw audio.
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FileAudioDevice(const char* inputFilename, const char* outputFilename);
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virtual ~FileAudioDevice();
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// Retrieve the currently utilized audio layer
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int32_t ActiveAudioLayer(
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AudioDeviceModule::AudioLayer& audioLayer) const override;
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// Main initializaton and termination
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InitStatus Init() override;
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int32_t Terminate() override;
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bool Initialized() const override;
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// Device enumeration
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int16_t PlayoutDevices() override;
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int16_t RecordingDevices() override;
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int32_t PlayoutDeviceName(uint16_t index,
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char name[kAdmMaxDeviceNameSize],
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char guid[kAdmMaxGuidSize]) override;
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int32_t RecordingDeviceName(uint16_t index,
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char name[kAdmMaxDeviceNameSize],
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char guid[kAdmMaxGuidSize]) override;
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// Device selection
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int32_t SetPlayoutDevice(uint16_t index) override;
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int32_t SetPlayoutDevice(
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AudioDeviceModule::WindowsDeviceType device) override;
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int32_t SetRecordingDevice(uint16_t index) override;
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int32_t SetRecordingDevice(
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AudioDeviceModule::WindowsDeviceType device) override;
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// Audio transport initialization
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int32_t PlayoutIsAvailable(bool& available) override;
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int32_t InitPlayout() override;
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bool PlayoutIsInitialized() const override;
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int32_t RecordingIsAvailable(bool& available) override;
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int32_t InitRecording() override;
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bool RecordingIsInitialized() const override;
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// Audio transport control
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int32_t StartPlayout() override;
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int32_t StopPlayout() override;
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bool Playing() const override;
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int32_t StartRecording() override;
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int32_t StopRecording() override;
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bool Recording() const override;
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// Audio mixer initialization
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int32_t InitSpeaker() override;
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bool SpeakerIsInitialized() const override;
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int32_t InitMicrophone() override;
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bool MicrophoneIsInitialized() const override;
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// Speaker volume controls
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int32_t SpeakerVolumeIsAvailable(bool& available) override;
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int32_t SetSpeakerVolume(uint32_t volume) override;
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int32_t SpeakerVolume(uint32_t& volume) const override;
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int32_t MaxSpeakerVolume(uint32_t& maxVolume) const override;
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int32_t MinSpeakerVolume(uint32_t& minVolume) const override;
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// Microphone volume controls
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int32_t MicrophoneVolumeIsAvailable(bool& available) override;
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int32_t SetMicrophoneVolume(uint32_t volume) override;
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int32_t MicrophoneVolume(uint32_t& volume) const override;
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int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const override;
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int32_t MinMicrophoneVolume(uint32_t& minVolume) const override;
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// Speaker mute control
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int32_t SpeakerMuteIsAvailable(bool& available) override;
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int32_t SetSpeakerMute(bool enable) override;
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int32_t SpeakerMute(bool& enabled) const override;
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// Microphone mute control
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int32_t MicrophoneMuteIsAvailable(bool& available) override;
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int32_t SetMicrophoneMute(bool enable) override;
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int32_t MicrophoneMute(bool& enabled) const override;
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// Stereo support
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int32_t StereoPlayoutIsAvailable(bool& available) override;
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int32_t SetStereoPlayout(bool enable) override;
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int32_t StereoPlayout(bool& enabled) const override;
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int32_t StereoRecordingIsAvailable(bool& available) override;
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int32_t SetStereoRecording(bool enable) override;
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int32_t StereoRecording(bool& enabled) const override;
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// Delay information and control
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int32_t PlayoutDelay(uint16_t& delayMS) const override;
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void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override;
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private:
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static void RecThreadFunc(void*);
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static void PlayThreadFunc(void*);
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bool RecThreadProcess();
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bool PlayThreadProcess();
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int32_t _playout_index;
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int32_t _record_index;
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AudioDeviceBuffer* _ptrAudioBuffer;
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int8_t* _recordingBuffer; // In bytes.
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int8_t* _playoutBuffer; // In bytes.
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uint32_t _recordingFramesLeft;
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uint32_t _playoutFramesLeft;
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Mutex mutex_;
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size_t _recordingBufferSizeIn10MS;
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size_t _recordingFramesIn10MS;
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size_t _playoutFramesIn10MS;
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rtc::PlatformThread _ptrThreadRec;
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rtc::PlatformThread _ptrThreadPlay;
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bool _playing;
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bool _recording;
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int64_t _lastCallPlayoutMillis;
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int64_t _lastCallRecordMillis;
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FileWrapper _outputFile;
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FileWrapper _inputFile;
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std::string _outputFilename;
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std::string _inputFilename;
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};
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} // namespace webrtc
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#endif // AUDIO_DEVICE_FILE_AUDIO_DEVICE_H_
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