| /* |
| * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_AUDIO_DEVICE_FILE_AUDIO_DEVICE_H |
| #define WEBRTC_AUDIO_DEVICE_FILE_AUDIO_DEVICE_H |
| |
| #include <stdio.h> |
| |
| #include <string> |
| |
| #include "webrtc/modules/audio_device/audio_device_generic.h" |
| #include "webrtc/system_wrappers/interface/critical_section_wrapper.h" |
| #include "webrtc/system_wrappers/interface/file_wrapper.h" |
| #include "webrtc/system_wrappers/interface/clock.h" |
| |
| namespace webrtc { |
| class EventWrapper; |
| class ThreadWrapper; |
| |
| // This is a fake audio device which plays audio from a file as its microphone |
| // and plays out into a file. |
| class FileAudioDevice : public AudioDeviceGeneric { |
| public: |
| // Constructs a file audio device with |id|. It will read audio from |
| // |inputFilename| and record output audio to |outputFilename|. |
| // |
| // The input file should be a readable 48k stereo raw file, and the output |
| // file should point to a writable location. The output format will also be |
| // 48k stereo raw audio. |
| FileAudioDevice(const int32_t id, |
| const char* inputFilename, |
| const char* outputFilename); |
| virtual ~FileAudioDevice(); |
| |
| // Retrieve the currently utilized audio layer |
| virtual int32_t ActiveAudioLayer( |
| AudioDeviceModule::AudioLayer& audioLayer) const OVERRIDE; |
| |
| // Main initializaton and termination |
| virtual int32_t Init() OVERRIDE; |
| virtual int32_t Terminate() OVERRIDE; |
| virtual bool Initialized() const OVERRIDE; |
| |
| // Device enumeration |
| virtual int16_t PlayoutDevices() OVERRIDE; |
| virtual int16_t RecordingDevices() OVERRIDE; |
| virtual int32_t PlayoutDeviceName(uint16_t index, |
| char name[kAdmMaxDeviceNameSize], |
| char guid[kAdmMaxGuidSize]) OVERRIDE; |
| virtual int32_t RecordingDeviceName(uint16_t index, |
| char name[kAdmMaxDeviceNameSize], |
| char guid[kAdmMaxGuidSize]) OVERRIDE; |
| |
| // Device selection |
| virtual int32_t SetPlayoutDevice(uint16_t index) OVERRIDE; |
| virtual int32_t SetPlayoutDevice( |
| AudioDeviceModule::WindowsDeviceType device) OVERRIDE; |
| virtual int32_t SetRecordingDevice(uint16_t index) OVERRIDE; |
| virtual int32_t SetRecordingDevice( |
| AudioDeviceModule::WindowsDeviceType device) OVERRIDE; |
| |
| // Audio transport initialization |
| virtual int32_t PlayoutIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t InitPlayout() OVERRIDE; |
| virtual bool PlayoutIsInitialized() const OVERRIDE; |
| virtual int32_t RecordingIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t InitRecording() OVERRIDE; |
| virtual bool RecordingIsInitialized() const OVERRIDE; |
| |
| // Audio transport control |
| virtual int32_t StartPlayout() OVERRIDE; |
| virtual int32_t StopPlayout() OVERRIDE; |
| virtual bool Playing() const OVERRIDE; |
| virtual int32_t StartRecording() OVERRIDE; |
| virtual int32_t StopRecording() OVERRIDE; |
| virtual bool Recording() const OVERRIDE; |
| |
| // Microphone Automatic Gain Control (AGC) |
| virtual int32_t SetAGC(bool enable) OVERRIDE; |
| virtual bool AGC() const OVERRIDE; |
| |
| // Volume control based on the Windows Wave API (Windows only) |
| virtual int32_t SetWaveOutVolume(uint16_t volumeLeft, |
| uint16_t volumeRight) OVERRIDE; |
| virtual int32_t WaveOutVolume(uint16_t& volumeLeft, |
| uint16_t& volumeRight) const OVERRIDE; |
| |
| // Audio mixer initialization |
| virtual int32_t InitSpeaker() OVERRIDE; |
| virtual bool SpeakerIsInitialized() const OVERRIDE; |
| virtual int32_t InitMicrophone() OVERRIDE; |
| virtual bool MicrophoneIsInitialized() const OVERRIDE; |
| |
| // Speaker volume controls |
| virtual int32_t SpeakerVolumeIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t SetSpeakerVolume(uint32_t volume) OVERRIDE; |
| virtual int32_t SpeakerVolume(uint32_t& volume) const OVERRIDE; |
| virtual int32_t MaxSpeakerVolume(uint32_t& maxVolume) const OVERRIDE; |
| virtual int32_t MinSpeakerVolume(uint32_t& minVolume) const OVERRIDE; |
| virtual int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const OVERRIDE; |
| |
| // Microphone volume controls |
| virtual int32_t MicrophoneVolumeIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t SetMicrophoneVolume(uint32_t volume) OVERRIDE; |
| virtual int32_t MicrophoneVolume(uint32_t& volume) const OVERRIDE; |
| virtual int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const OVERRIDE; |
| virtual int32_t MinMicrophoneVolume(uint32_t& minVolume) const OVERRIDE; |
| virtual int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const OVERRIDE; |
| |
| // Speaker mute control |
| virtual int32_t SpeakerMuteIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t SetSpeakerMute(bool enable) OVERRIDE; |
| virtual int32_t SpeakerMute(bool& enabled) const OVERRIDE; |
| |
| // Microphone mute control |
| virtual int32_t MicrophoneMuteIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t SetMicrophoneMute(bool enable) OVERRIDE; |
| virtual int32_t MicrophoneMute(bool& enabled) const OVERRIDE; |
| |
| // Microphone boost control |
| virtual int32_t MicrophoneBoostIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t SetMicrophoneBoost(bool enable) OVERRIDE; |
| virtual int32_t MicrophoneBoost(bool& enabled) const OVERRIDE; |
| |
| // Stereo support |
| virtual int32_t StereoPlayoutIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t SetStereoPlayout(bool enable) OVERRIDE; |
| virtual int32_t StereoPlayout(bool& enabled) const OVERRIDE; |
| virtual int32_t StereoRecordingIsAvailable(bool& available) OVERRIDE; |
| virtual int32_t SetStereoRecording(bool enable) OVERRIDE; |
| virtual int32_t StereoRecording(bool& enabled) const OVERRIDE; |
| |
| // Delay information and control |
| virtual int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type, |
| uint16_t sizeMS) OVERRIDE; |
| virtual int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type, |
| uint16_t& sizeMS) const OVERRIDE; |
| virtual int32_t PlayoutDelay(uint16_t& delayMS) const OVERRIDE; |
| virtual int32_t RecordingDelay(uint16_t& delayMS) const OVERRIDE; |
| |
| // CPU load |
| virtual int32_t CPULoad(uint16_t& load) const OVERRIDE; |
| |
| virtual bool PlayoutWarning() const OVERRIDE; |
| virtual bool PlayoutError() const OVERRIDE; |
| virtual bool RecordingWarning() const OVERRIDE; |
| virtual bool RecordingError() const OVERRIDE; |
| virtual void ClearPlayoutWarning() OVERRIDE; |
| virtual void ClearPlayoutError() OVERRIDE; |
| virtual void ClearRecordingWarning() OVERRIDE; |
| virtual void ClearRecordingError() OVERRIDE; |
| |
| virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) OVERRIDE; |
| |
| private: |
| static bool RecThreadFunc(void*); |
| static bool PlayThreadFunc(void*); |
| bool RecThreadProcess(); |
| bool PlayThreadProcess(); |
| |
| int32_t _playout_index; |
| int32_t _record_index; |
| AudioDeviceModule::BufferType _playBufType; |
| AudioDeviceBuffer* _ptrAudioBuffer; |
| int8_t* _recordingBuffer; // In bytes. |
| int8_t* _playoutBuffer; // In bytes. |
| uint32_t _recordingFramesLeft; |
| uint32_t _playoutFramesLeft; |
| CriticalSectionWrapper& _critSect; |
| |
| uint32_t _recordingBufferSizeIn10MS; |
| uint32_t _recordingFramesIn10MS; |
| uint32_t _playoutFramesIn10MS; |
| |
| ThreadWrapper* _ptrThreadRec; |
| ThreadWrapper* _ptrThreadPlay; |
| uint32_t _recThreadID; |
| uint32_t _playThreadID; |
| |
| bool _playing; |
| bool _recording; |
| uint64_t _lastCallPlayoutMillis; |
| uint64_t _lastCallRecordMillis; |
| |
| FileWrapper& _outputFile; |
| FileWrapper& _inputFile; |
| std::string _outputFilename; |
| std::string _inputFilename; |
| |
| Clock* _clock; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_AUDIO_DEVICE_FILE_AUDIO_DEVICE_H |