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204 lines
6.1 KiB
204 lines
6.1 KiB
/*
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* libjingle
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* Copyright 2004--2005, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_GIPS
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#include "talk/session/phone/gipsmediaengine.h"
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#else
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#include "talk/session/phone/linphonemediaengine.h"
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#endif
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#include "channelmanager.h"
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#include <cassert>
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#include <iostream>
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namespace cricket {
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const uint32 MSG_CREATEVOICECHANNEL = 1;
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const uint32 MSG_DESTROYVOICECHANNEL = 2;
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const uint32 MSG_SETAUDIOOPTIONS = 3;
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ChannelManager::ChannelManager(Thread *worker_thread) {
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#ifdef HAVE_GIPS
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media_engine_ = new GipsMediaEngine();
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#else
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media_engine_ = new LinphoneMediaEngine();
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#endif
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worker_thread_ = worker_thread;
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initialized_ = false;
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Init();
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}
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ChannelManager::~ChannelManager() {
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Exit();
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}
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MediaEngine *ChannelManager::media_engine() {
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return media_engine_;
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}
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bool ChannelManager::Init() {
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initialized_ = media_engine_->Init();
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return initialized_;
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}
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void ChannelManager::Exit() {
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if (!initialized_)
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return;
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// Need to destroy the voice channels
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while (true) {
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crit_.Enter();
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VoiceChannel *channel = NULL;
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if (channels_.begin() != channels_.end())
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channel = channels_[0];
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crit_.Leave();
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if (channel == NULL)
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break;
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delete channel;
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}
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media_engine_->Terminate();
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}
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struct CreateParams {
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Session *session;
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VoiceChannel *channel;
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};
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VoiceChannel *ChannelManager::CreateVoiceChannel(Session *session) {
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CreateParams params;
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params.session = session;
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params.channel = NULL;
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TypedMessageData<CreateParams *> data(¶ms);
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worker_thread_->Send(this, MSG_CREATEVOICECHANNEL, &data);
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return params.channel;
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}
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VoiceChannel *ChannelManager::CreateVoiceChannel_w(Session *session) {
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CritScope cs(&crit_);
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// This is ok to alloc from a thread other than the worker thread
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assert(initialized_);
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MediaChannel *channel = media_engine_->CreateChannel();
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if (channel == NULL)
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return NULL;
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VoiceChannel *voice_channel = new VoiceChannel(this, session, channel);
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channels_.push_back(voice_channel);
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return voice_channel;
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}
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void ChannelManager::DestroyVoiceChannel(VoiceChannel *voice_channel) {
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TypedMessageData<VoiceChannel *> data(voice_channel);
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worker_thread_->Send(this, MSG_DESTROYVOICECHANNEL, &data);
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}
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void ChannelManager::DestroyVoiceChannel_w(VoiceChannel *voice_channel) {
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CritScope cs(&crit_);
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// Destroy voice channel.
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assert(initialized_);
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std::vector<VoiceChannel *>::iterator it = std::find(channels_.begin(),
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channels_.end(), voice_channel);
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assert(it != channels_.end());
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if (it == channels_.end())
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return;
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channels_.erase(it);
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MediaChannel *channel = voice_channel->channel();
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delete voice_channel;
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delete channel;
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}
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void ChannelManager::SetAudioOptions(bool auto_gain_control, int wave_in_device,
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int wave_out_device) {
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AudioOptions options;
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options.auto_gain_control = auto_gain_control;
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options.wave_in_device = wave_in_device;
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options.wave_out_device = wave_out_device;
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TypedMessageData<AudioOptions> data(options);
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worker_thread_->Send(this, MSG_SETAUDIOOPTIONS, &data);
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}
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void ChannelManager::SetAudioOptions_w(AudioOptions options) {
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assert(worker_thread_ == Thread::Current());
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// Set auto gain control on
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if (media_engine_->SetAudioOptions(options.auto_gain_control?MediaEngine::AUTO_GAIN_CONTROL:0) != 0) {
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// TODO: We need to log these failures.
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}
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// Set the audio devices
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// This will fail if audio is already playing. Stop all of the media
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// start it up again after changing the setting.
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{
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CritScope cs(&crit_);
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for (VoiceChannels::iterator it = channels_.begin();
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it < channels_.end();
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++it) {
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(*it)->PauseMedia_w();
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}
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if (media_engine_->SetSoundDevices(options.wave_in_device, options.wave_out_device) == -1) {
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// TODO: We need to log these failures.
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}
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for (VoiceChannels::iterator it = channels_.begin();
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it < channels_.end();
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++it) {
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(*it)->UnpauseMedia_w();
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}
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}
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}
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Thread *ChannelManager::worker_thread() {
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return worker_thread_;
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}
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void ChannelManager::OnMessage(Message *message) {
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switch (message->message_id) {
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case MSG_CREATEVOICECHANNEL:
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{
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TypedMessageData<CreateParams *> *data = static_cast<TypedMessageData<CreateParams *> *>(message->pdata);
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data->data()->channel = CreateVoiceChannel_w(data->data()->session);
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}
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break;
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case MSG_DESTROYVOICECHANNEL:
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{
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TypedMessageData<VoiceChannel *> *data = static_cast<TypedMessageData<VoiceChannel *> *>(message->pdata);
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DestroyVoiceChannel_w(data->data());
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}
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break;
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case MSG_SETAUDIOOPTIONS:
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{
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TypedMessageData<AudioOptions> *data = static_cast<TypedMessageData<AudioOptions> *>(message->pdata);
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SetAudioOptions_w(data->data());
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}
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break;
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}
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}
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}
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