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voiceoutput.cpp
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voiceoutput.cpp
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/*
VoIPApp- A simple p2p voip application written in C++ using the QT Framework.
Copyright (C) 2011 Sam Gunaratne University of Plymouth
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "voiceoutput.h"
VoiceOutput::VoiceOutput(AbstractVoice *parent) :
AbstractVoice(parent) {
//Create our custom buffer, setting up a signal/slot for when this buffer starts filling up.
buffer = new SoundReciever(this);
//This may want to go in START
//setup our AudioOutput device and create a connet for it's state.
audioOut = new QAudioOutput(format,this);
connect(audioOut,SIGNAL(stateChanged(QAudio::State)),this, SLOT(audioState(QAudio::State)));
timedout = 0;
}
VoiceOutput::~VoiceOutput() {
delete audioOut;
}
void VoiceOutput::start() {
connect(buffer,SIGNAL(readyRead()),this, SLOT(dataInBuffer()));
// m_audioOut->setBufferSize(4096);
}
void VoiceOutput::stop(){
qDebug("Stopped : timed out %d times..",timedout);
if (buffer->isOpen()) {
buffer->close();
}
if (audioOut->state() == QAudio::ActiveState || audioOut->state() == QAudio::IdleState) {
audioOut->stop();
}
disconnect(buffer,SIGNAL(readyRead()),0,0);
}
void VoiceOutput::audioState(QAudio::State state) {
if (state == QAudio::ActiveState) {
qDebug("Output device actived");
}
else if (state == QAudio::IdleState) {
qDebug("erm, we went idle...mic muted probably");
//This line stops all playback on MAC_OS
#ifndef Q_WS_MAC
audioOut->start(buffer);
#endif
++timedout;
}
else if (state == QAudio::StoppedState) {
if (audioOut->error() != QAudio::NoError) {
qDebug("Error - problems opening dev : exiting");
exit(1);
} else {
qDebug("We stopped ...for some reason (Muted)");
}
}
}
void VoiceOutput::dataInBuffer() {
if (!buffer->isOpen() && buffer->bytesAvailable() > 10000){
qDebug("Opening audio out buffer");
buffer->open(QIODevice::ReadOnly);
audioOut->start(buffer);
}
}
void VoiceOutput::muteSound(bool toggle) {
if (audioOut->state() == QAudio::ActiveState || audioOut->state() == QAudio::IdleState) {
if (toggle) {
audioOut->suspend();
}
else {
buffer->buffer().clear();
audioOut->resume();
}
}
}