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/**
* @file llaccordionctrl.cpp
* @brief Accordion panel implementation
*
* $LicenseInfo:firstyear=2023&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2023, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLWEBRTC_IMPL_H
#define LLWEBRTC_IMPL_H
#define LL_MAKEDLL
#if defined(_WIN32) || defined(_WIN64)
#define WEBRTC_WIN 1
#elif defined(__APPLE__)
#define WEBRTC_MAC 1
#define WEBRTC_POSIX 1
#elif __linux__
#define WEBRTC_LINUX 1
#endif
#include "llwebrtc.h"
// WebRTC Includes
#ifdef WEBRTC_WIN
#pragma warning(disable : 4996)
#pragma warning(disable : 4068)
#endif // WEBRTC_WIN
#include "api/scoped_refptr.h"
#include "rtc_base/ref_count.h"
#include "rtc_base/ref_counted_object.h"
#include "rtc_base/ssl_adapter.h"
#include "rtc_base/thread.h"
#include "api/peer_connection_interface.h"
#include "api/media_stream_interface.h"
#include "api/create_peerconnection_factory.h"
#include "modules/audio_device/include/audio_device.h"
#include "modules/audio_device/include/audio_device_data_observer.h"
#include "rtc_base/task_queue.h"
#include "api/task_queue/task_queue_factory.h"
#include "api/task_queue/default_task_queue_factory.h"
#include "modules/audio_device/include/audio_device_defines.h"
namespace llwebrtc
{
class LLAudioDeviceObserver : public webrtc::AudioDeviceDataObserver
{
public:
LLAudioDeviceObserver();
float getMicrophoneEnergy();
void OnCaptureData(const void *audio_samples,
const size_t num_samples,
const size_t bytes_per_sample,
const size_t num_channels,
const uint32_t samples_per_sec) override;
void OnRenderData(const void *audio_samples,
const size_t num_samples,
const size_t bytes_per_sample,
const size_t num_channels,
const uint32_t samples_per_sec) override;
protected:
float mSumVector[30]; // 300 ms of smoothing
float mMicrophoneEnergy;
};
class LLWebRTCImpl : public LLWebRTCDeviceInterface,
public LLWebRTCSignalInterface,
public LLWebRTCAudioInterface,
public LLWebRTCDataInterface,
public webrtc::PeerConnectionObserver,
public webrtc::CreateSessionDescriptionObserver,
public webrtc::SetRemoteDescriptionObserverInterface,
public webrtc::SetLocalDescriptionObserverInterface,
public webrtc::DataChannelObserver
{
public:
LLWebRTCImpl() :
mTuningAudioDeviceObserver(nullptr), mPeerAudioDeviceObserver(nullptr)
{
}
~LLWebRTCImpl() {}
void init();
void terminate();
//
// LLWebRTCDeviceInterface
//
void refreshDevices() override;
void setDevicesObserver(LLWebRTCDevicesObserver *observer) override;
void unsetDevicesObserver(LLWebRTCDevicesObserver *observer) override;
void setCaptureDevice(const std::string& id) override;
void setRenderDevice(const std::string& id) override;
void setTuningMode(bool enable) override;
float getTuningAudioLevel() override;
//
// LLWebRTCSignalInterface
//
void setSignalingObserver(LLWebRTCSignalingObserver *observer) override;
void unsetSignalingObserver(LLWebRTCSignalingObserver *observer) override;
bool initializeConnection() override;
void shutdownConnection() override;
void AnswerAvailable(const std::string &sdp) override;
//
// LLWebRTCAudioInterface
//
void setAudioObserver(LLWebRTCAudioObserver *observer) override;
void unsetAudioObserver(LLWebRTCAudioObserver *observer) override;
void setMute(bool mute) override;
void setSpeakerVolume(float folume) override; // range 0.0-1.0
float getAudioLevel() override;
//
// LLWebRTCDataInterface
//
void sendData(const std::string& data, bool binary=false) override;
void setDataObserver(LLWebRTCDataObserver *observer) override;
void unsetDataObserver(LLWebRTCDataObserver *observer) override;
//
// PeerConnectionObserver implementation.
//
void OnSignalingChange(webrtc::PeerConnectionInterface::SignalingState new_state) override {}
void OnAddTrack(rtc::scoped_refptr<webrtc::RtpReceiverInterface> receiver,
const std::vector<rtc::scoped_refptr<webrtc::MediaStreamInterface>> &streams) override;
void OnRemoveTrack(rtc::scoped_refptr<webrtc::RtpReceiverInterface> receiver) override;
void OnDataChannel(rtc::scoped_refptr<webrtc::DataChannelInterface> channel) override;
void OnRenegotiationNeeded() override {}
void OnIceConnectionChange(webrtc::PeerConnectionInterface::IceConnectionState new_state) override {};
void OnIceGatheringChange(webrtc::PeerConnectionInterface::IceGatheringState new_state) override;
void OnIceCandidate(const webrtc::IceCandidateInterface *candidate) override;
void OnIceConnectionReceivingChange(bool receiving) override {}
void OnConnectionChange(webrtc::PeerConnectionInterface::PeerConnectionState new_state) override;
//
// CreateSessionDescriptionObserver implementation.
//
void OnSuccess(webrtc::SessionDescriptionInterface *desc) override;
void OnFailure(webrtc::RTCError error) override;
//
// SetRemoteDescriptionObserverInterface implementation.
//
void OnSetRemoteDescriptionComplete(webrtc::RTCError error) override;
//
// SetLocalDescriptionObserverInterface implementation.
//
void OnSetLocalDescriptionComplete(webrtc::RTCError error) override;
//
// DataChannelObserver implementation.
//
void OnStateChange() override;
void OnMessage(const webrtc::DataBuffer& buffer) override;
protected:
bool initializeConnectionThreaded();
std::unique_ptr<rtc::Thread> mNetworkThread;
std::unique_ptr<rtc::Thread> mWorkerThread;
std::unique_ptr<rtc::Thread> mSignalingThread;
rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> mPeerConnectionFactory;
webrtc::PeerConnectionInterface::RTCConfiguration mConfiguration;
std::unique_ptr<webrtc::TaskQueueFactory> mTaskQueueFactory;
// Devices
void updateDevices();
rtc::scoped_refptr<webrtc::AudioDeviceModule> mTuningDeviceModule;
rtc::scoped_refptr<webrtc::AudioDeviceModule> mPeerDeviceModule;
std::vector<LLWebRTCDevicesObserver *> mVoiceDevicesObserverList;
// accessors in webrtc aren't apparently implemented yet.
int32_t mPlayoutDevice;
int32_t mRecordingDevice;
LLAudioDeviceObserver * mTuningAudioDeviceObserver;
LLAudioDeviceObserver * mPeerAudioDeviceObserver;
// signaling
std::vector<LLWebRTCSignalingObserver *> mSignalingObserverList;
std::vector<std::unique_ptr<webrtc::IceCandidateInterface>> mCachedIceCandidates;
bool mAnswerReceived;
rtc::scoped_refptr<webrtc::PeerConnectionInterface> mPeerConnection;
std::vector<LLWebRTCAudioObserver *> mAudioObserverList;
std::vector<LLWebRTCDataObserver *> mDataObserverList;
rtc::scoped_refptr<webrtc::DataChannelInterface> mDataChannel;
};
}
#endif // LLWEBRTC_IMPL_H
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