| /* |
| * 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 <memory> |
| #include <string> |
| |
| #include "webrtc/modules/audio_device/audio_device_generic.h" |
| #include "webrtc/system_wrappers/include/critical_section_wrapper.h" |
| #include "webrtc/system_wrappers/include/file_wrapper.h" |
| #include "webrtc/system_wrappers/include/clock.h" |
| |
| namespace rtc { |
| class PlatformThread; |
| } // namespace rtc |
| |
| namespace webrtc { |
| class EventWrapper; |
| |
| // 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 |
| int32_t ActiveAudioLayer( |
| AudioDeviceModule::AudioLayer& audioLayer) const override; |
| |
| // Main initializaton and termination |
| InitStatus Init() override; |
| int32_t Terminate() override; |
| bool Initialized() const override; |
| |
| // Device enumeration |
| int16_t PlayoutDevices() override; |
| int16_t RecordingDevices() override; |
| int32_t PlayoutDeviceName(uint16_t index, |
| char name[kAdmMaxDeviceNameSize], |
| char guid[kAdmMaxGuidSize]) override; |
| int32_t RecordingDeviceName(uint16_t index, |
| char name[kAdmMaxDeviceNameSize], |
| char guid[kAdmMaxGuidSize]) override; |
| |
| // Device selection |
| int32_t SetPlayoutDevice(uint16_t index) override; |
| int32_t SetPlayoutDevice( |
| AudioDeviceModule::WindowsDeviceType device) override; |
| int32_t SetRecordingDevice(uint16_t index) override; |
| int32_t SetRecordingDevice( |
| AudioDeviceModule::WindowsDeviceType device) override; |
| |
| // Audio transport initialization |
| int32_t PlayoutIsAvailable(bool& available) override; |
| int32_t InitPlayout() override; |
| bool PlayoutIsInitialized() const override; |
| int32_t RecordingIsAvailable(bool& available) override; |
| int32_t InitRecording() override; |
| bool RecordingIsInitialized() const override; |
| |
| // Audio transport control |
| int32_t StartPlayout() override; |
| int32_t StopPlayout() override; |
| bool Playing() const override; |
| int32_t StartRecording() override; |
| int32_t StopRecording() override; |
| bool Recording() const override; |
| |
| // Microphone Automatic Gain Control (AGC) |
| int32_t SetAGC(bool enable) override; |
| bool AGC() const override; |
| |
| // Volume control based on the Windows Wave API (Windows only) |
| int32_t SetWaveOutVolume(uint16_t volumeLeft, uint16_t volumeRight) override; |
| int32_t WaveOutVolume(uint16_t& volumeLeft, |
| uint16_t& volumeRight) const override; |
| |
| // Audio mixer initialization |
| int32_t InitSpeaker() override; |
| bool SpeakerIsInitialized() const override; |
| int32_t InitMicrophone() override; |
| bool MicrophoneIsInitialized() const override; |
| |
| // Speaker volume controls |
| int32_t SpeakerVolumeIsAvailable(bool& available) override; |
| int32_t SetSpeakerVolume(uint32_t volume) override; |
| int32_t SpeakerVolume(uint32_t& volume) const override; |
| int32_t MaxSpeakerVolume(uint32_t& maxVolume) const override; |
| int32_t MinSpeakerVolume(uint32_t& minVolume) const override; |
| int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const override; |
| |
| // Microphone volume controls |
| int32_t MicrophoneVolumeIsAvailable(bool& available) override; |
| int32_t SetMicrophoneVolume(uint32_t volume) override; |
| int32_t MicrophoneVolume(uint32_t& volume) const override; |
| int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const override; |
| int32_t MinMicrophoneVolume(uint32_t& minVolume) const override; |
| int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const override; |
| |
| // Speaker mute control |
| int32_t SpeakerMuteIsAvailable(bool& available) override; |
| int32_t SetSpeakerMute(bool enable) override; |
| int32_t SpeakerMute(bool& enabled) const override; |
| |
| // Microphone mute control |
| int32_t MicrophoneMuteIsAvailable(bool& available) override; |
| int32_t SetMicrophoneMute(bool enable) override; |
| int32_t MicrophoneMute(bool& enabled) const override; |
| |
| // Microphone boost control |
| int32_t MicrophoneBoostIsAvailable(bool& available) override; |
| int32_t SetMicrophoneBoost(bool enable) override; |
| int32_t MicrophoneBoost(bool& enabled) const override; |
| |
| // Stereo support |
| int32_t StereoPlayoutIsAvailable(bool& available) override; |
| int32_t SetStereoPlayout(bool enable) override; |
| int32_t StereoPlayout(bool& enabled) const override; |
| int32_t StereoRecordingIsAvailable(bool& available) override; |
| int32_t SetStereoRecording(bool enable) override; |
| int32_t StereoRecording(bool& enabled) const override; |
| |
| // Delay information and control |
| int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type, |
| uint16_t sizeMS) override; |
| int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type, |
| uint16_t& sizeMS) const override; |
| int32_t PlayoutDelay(uint16_t& delayMS) const override; |
| int32_t RecordingDelay(uint16_t& delayMS) const override; |
| |
| // CPU load |
| int32_t CPULoad(uint16_t& load) const override; |
| |
| bool PlayoutWarning() const override; |
| bool PlayoutError() const override; |
| bool RecordingWarning() const override; |
| bool RecordingError() const override; |
| void ClearPlayoutWarning() override; |
| void ClearPlayoutError() override; |
| void ClearRecordingWarning() override; |
| void ClearRecordingError() override; |
| |
| 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; |
| |
| size_t _recordingBufferSizeIn10MS; |
| size_t _recordingFramesIn10MS; |
| size_t _playoutFramesIn10MS; |
| |
| // TODO(pbos): Make plain members instead of pointers and stop resetting them. |
| std::unique_ptr<rtc::PlatformThread> _ptrThreadRec; |
| std::unique_ptr<rtc::PlatformThread> _ptrThreadPlay; |
| |
| 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 |