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c4dd730765
Starting from https://chromium-review.googlesource.com/c/1485012, -Wextra-semi is enabled and WebRTC has some violations to fix. This is a follow-up of https://webrtc-review.googlesource.com/c/123560. Bug: webrtc:10355 Change-Id: I012b7497fc8991037fd77aa98f1579c22e08206f Reviewed-on: https://webrtc-review.googlesource.com/c/124126 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26831}
201 lines
6.6 KiB
C++
201 lines
6.6 KiB
C++
/*
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* Copyright (c) 2012 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_AUDIO_DEVICE_ALSA_LINUX_H_
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#define AUDIO_DEVICE_AUDIO_DEVICE_ALSA_LINUX_H_
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#include <memory>
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#include "modules/audio_device/audio_device_generic.h"
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#include "modules/audio_device/linux/audio_mixer_manager_alsa_linux.h"
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#include "rtc_base/critical_section.h"
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#include "rtc_base/platform_thread.h"
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#if defined(WEBRTC_USE_X11)
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#include <X11/Xlib.h>
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#endif
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#include <alsa/asoundlib.h>
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#include <sys/ioctl.h>
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#include <sys/soundcard.h>
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typedef webrtc::adm_linux_alsa::AlsaSymbolTable WebRTCAlsaSymbolTable;
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WebRTCAlsaSymbolTable* GetAlsaSymbolTable();
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namespace webrtc {
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class AudioDeviceLinuxALSA : public AudioDeviceGeneric {
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public:
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AudioDeviceLinuxALSA();
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virtual ~AudioDeviceLinuxALSA();
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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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int32_t GetDevicesInfo(const int32_t function,
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const bool playback,
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const int32_t enumDeviceNo = 0,
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char* enumDeviceName = NULL,
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const int32_t ednLen = 0) const;
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int32_t ErrorRecovery(int32_t error, snd_pcm_t* deviceHandle);
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bool KeyPressed() const;
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void Lock() RTC_EXCLUSIVE_LOCK_FUNCTION(_critSect) { _critSect.Enter(); }
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void UnLock() RTC_UNLOCK_FUNCTION(_critSect) { _critSect.Leave(); }
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inline int32_t InputSanityCheckAfterUnlockedPeriod() const;
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inline int32_t OutputSanityCheckAfterUnlockedPeriod() const;
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static bool RecThreadFunc(void*);
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static bool PlayThreadFunc(void*);
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bool RecThreadProcess();
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bool PlayThreadProcess();
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AudioDeviceBuffer* _ptrAudioBuffer;
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rtc::CriticalSection _critSect;
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// TODO(pbos): Make plain members and start/stop instead of resetting these
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// pointers. A thread can be reused.
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std::unique_ptr<rtc::PlatformThread> _ptrThreadRec;
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std::unique_ptr<rtc::PlatformThread> _ptrThreadPlay;
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AudioMixerManagerLinuxALSA _mixerManager;
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uint16_t _inputDeviceIndex;
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uint16_t _outputDeviceIndex;
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bool _inputDeviceIsSpecified;
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bool _outputDeviceIsSpecified;
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snd_pcm_t* _handleRecord;
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snd_pcm_t* _handlePlayout;
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snd_pcm_uframes_t _recordingBuffersizeInFrame;
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snd_pcm_uframes_t _recordingPeriodSizeInFrame;
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snd_pcm_uframes_t _playoutBufferSizeInFrame;
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snd_pcm_uframes_t _playoutPeriodSizeInFrame;
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ssize_t _recordingBufferSizeIn10MS;
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ssize_t _playoutBufferSizeIn10MS;
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uint32_t _recordingFramesIn10MS;
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uint32_t _playoutFramesIn10MS;
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uint32_t _recordingFreq;
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uint32_t _playoutFreq;
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uint8_t _recChannels;
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uint8_t _playChannels;
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int8_t* _recordingBuffer; // in byte
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int8_t* _playoutBuffer; // in byte
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uint32_t _recordingFramesLeft;
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uint32_t _playoutFramesLeft;
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bool _initialized;
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bool _recording;
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bool _playing;
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bool _recIsInitialized;
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bool _playIsInitialized;
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snd_pcm_sframes_t _recordingDelay;
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snd_pcm_sframes_t _playoutDelay;
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char _oldKeyState[32];
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#if defined(WEBRTC_USE_X11)
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Display* _XDisplay;
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#endif
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_DEVICE_MAIN_SOURCE_LINUX_AUDIO_DEVICE_ALSA_LINUX_H_
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