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/***************************************************************************
* Copyright (C) 2007-2008 by Zhuravlev Uriy *
* stalkerg@gmail.com *
* *
* 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QObject>
#include <QApplication>
#include <QtGlobal>
#include <QDir>
#include <QSettings>
#include "outputjack.h"
#include <qmmp/audioparameters.h>
#include <qmmp/buffer.h>
#include <qmmp/visual.h>
#include <stdio.h>
#include <string.h>
OutputJACK::OutputJACK(QObject *parent)
: Output(parent), m_inited(false), m_configure(FALSE)
{
JACK_Init();
}
OutputJACK::~OutputJACK()
{
uninitialize();
}
void OutputJACK::configure(quint32 freq, int chan, Qmmp::AudioFormat format)
{
qDebug("OutputJACK: configure");
if(JACK_Open(&jack_device, AudioParameters::sampleSize(format)*8, (unsigned long *)&freq, chan))
{
m_configure = false;
m_inited = false;
return;
}
else
m_configure = true;
m_inited = true;
Output::configure(freq, chan, format);
qDebug("OutputJACK: configure end");
}
bool OutputJACK::initialize()
{
m_inited = false;
m_configure = false;
jack_options_t options = JackNoStartServer;
jack_status_t status;
jack_client_t *client = jack_client_open ("test_qmmp", options, &status, NULL);
if (client == NULL)
{
qDebug("jack_client_open() failed.");
if (status & JackServerFailed)
{
qDebug("Unable to connect to JACK server.");
}
return false;
}
jack_client_close (client);
m_inited = true;
return true;
}
qint64 OutputJACK::latency()
{
return 0;
}
qint64 OutputJACK::writeAudio(unsigned char *data, qint64 maxSize)
{
if(!m_configure)
return -1;
m = JACK_Write(jack_device, (unsigned char*)data, maxSize);
if (!m)
usleep(2000);
return m;
}
void OutputJACK::uninitialize()
{
if (!m_inited)
return;
if (m_configure)
JACK_Close(jack_device);
}
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