1f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/* 2f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * libjingle 3f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Copyright 2004--2008, Google Inc. 4f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 5f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Redistribution and use in source and binary forms, with or without 6f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * modification, are permitted provided that the following conditions are met: 7f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 8f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 1. Redistributions of source code must retain the above copyright notice, 9f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer. 10f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 2. Redistributions in binary form must reproduce the above copyright notice, 11f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer in the documentation 12f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * and/or other materials provided with the distribution. 13f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 3. The name of the author may not be used to endorse or promote products 14f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * derived from this software without specific prior written permission. 15f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 16f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch */ 27f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 28f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#ifndef TALK_SESSION_PHONE_DEVICEMANAGER_H_ 29f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#define TALK_SESSION_PHONE_DEVICEMANAGER_H_ 30f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 31f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include <string> 32f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include <vector> 33f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 34f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/sigslot.h" 35f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/stringencode.h" 36dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen#ifdef LINUX 37f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/sound/soundsystemfactory.h" 38f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#endif 39f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 40f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochnamespace cricket { 41f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 42f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochclass DeviceWatcher; 43f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 44f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch// Used to represent an audio or video capture or render device. 45f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochstruct Device { 46f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch Device() {} 47f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch Device(const std::string& first, int second) 48f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch : name(first), 49f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch id(talk_base::ToString(second)) { 50f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 51f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch Device(const std::string& first, const std::string& second) 52f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch : name(first), id(second) {} 53f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 54f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::string name; 55f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::string id; 56f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch}; 57f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 58f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch// DeviceManager manages the audio and video devices on the system. 59f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch// Methods are virtual to allow for easy stubbing/mocking in tests. 60f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochclass DeviceManager { 61f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch public: 62dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen DeviceManager(); 63f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual ~DeviceManager(); 64f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 65f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch // Initialization 66f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool Init(); 67f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual void Terminate(); 68f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch bool initialized() const { return initialized_; } 69f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 70f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch // Capabilities 71f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual int GetCapabilities(); 72f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 73f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch // Device enumeration 74f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool GetAudioInputDevices(std::vector<Device>* devices); 75f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool GetAudioOutputDevices(std::vector<Device>* devices); 76f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 77f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch bool GetAudioInputDevice(const std::string& name, Device* out); 78f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch bool GetAudioOutputDevice(const std::string& name, Device* out); 79f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 80f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool GetVideoCaptureDevices(std::vector<Device>* devs); 81dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen bool GetVideoCaptureDevice(const std::string& name, Device* out); 823345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 83f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch sigslot::signal0<> SignalDevicesChange; 84f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 85f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch void OnDevicesChange() { SignalDevicesChange(); } 86f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 87f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch static const std::string kDefaultDeviceName; 88f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 89f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch protected: 90f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch virtual bool GetAudioDevice(bool is_input, const std::string& name, 91f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch Device* out); 92dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen virtual bool GetDefaultVideoCaptureDevice(Device* device); 93dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen 94f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch private: 95f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch bool GetAudioDevicesByPlatform(bool input, std::vector<Device>* devs); 96f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 97f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch bool initialized_; 98dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen#ifdef WIN32 99dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen bool need_couninitialize_; 100dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen#endif 101f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch DeviceWatcher* watcher_; 102dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen#ifdef LINUX 103f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch SoundSystemHandle sound_system_; 104f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#endif 105f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch}; 106f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 107f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} // namespace cricket 108f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 109f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#endif // TALK_SESSION_PHONE_DEVICEMANAGER_H_ 110