kopia lustrzana https://github.com/f4exb/sdrangel
147 wiersze
4.6 KiB
C++
147 wiersze
4.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2016 Edouard Griffiths, F4EXB //
|
|
// //
|
|
// 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 as version 3 of the License, or //
|
|
// //
|
|
// 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 V3 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 <QDebug>
|
|
#include <QAudio>
|
|
#include <QAudioDeviceInfo>
|
|
#include <QAudioInput>
|
|
#include <QAudioFormat>
|
|
#include <QIODevice>
|
|
#include <QList>
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include "fcdproplusreader.h"
|
|
|
|
#include "dsp/samplesinkfifo.h"
|
|
#include "fcdtraits.h"
|
|
|
|
FCDProPlusReader::FCDProPlusReader(SampleSinkFifo* sampleFifo, QObject* parent) :
|
|
QObject(parent),
|
|
m_fcdAudioInput(0),
|
|
m_fcdInput(0),
|
|
m_running(false),
|
|
m_convertBuffer(fcd_traits<ProPlus>::convBufSize),
|
|
m_fcdBuffer(fcd_traits<ProPlus>::fcdBufSize, 0),
|
|
m_sampleFifo(sampleFifo)
|
|
{
|
|
}
|
|
|
|
FCDProPlusReader::~FCDProPlusReader()
|
|
{
|
|
if (m_fcdAudioInput) {
|
|
delete m_fcdAudioInput;
|
|
}
|
|
}
|
|
|
|
void FCDProPlusReader::startWork()
|
|
{
|
|
QList<QAudioDeviceInfo> audioDevices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
|
|
|
|
QList<QAudioDeviceInfo>::iterator audioDeviceIt, fcdDeviceIt = audioDevices.end();
|
|
|
|
for (audioDeviceIt = audioDevices.begin(); audioDeviceIt != audioDevices.end(); ++audioDeviceIt)
|
|
{
|
|
QAudioFormat fcdAudioFormat = audioDeviceIt->preferredFormat();
|
|
int sampleRate = fcdAudioFormat.sampleRate();
|
|
int sampleBits = fcdAudioFormat.sampleSize();
|
|
|
|
if ((sampleRate == 192000) && (sampleBits == 16))
|
|
{
|
|
qDebug() << "FCDProPlusReader::startWork: found: " << audioDeviceIt->deviceName()
|
|
<< " sampleRate: " << fcdAudioFormat.sampleRate()
|
|
<< " sampleBits: " << fcdAudioFormat.sampleSize();
|
|
fcdDeviceIt = audioDeviceIt;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (fcdDeviceIt == audioDevices.end())
|
|
{
|
|
qCritical() << "FCDProPlusReader::startWork: FCD Pro+ sound card not found";
|
|
return;
|
|
}
|
|
|
|
openFcdAudio(*fcdDeviceIt);
|
|
|
|
if (!m_fcdAudioInput)
|
|
{
|
|
qCritical() << "FCDProPlusReader::startWork: cannot open FCD Pro+ sound card";
|
|
return;
|
|
}
|
|
|
|
m_fcdAudioInput->stop();
|
|
m_fcdInput = m_fcdAudioInput->start();
|
|
|
|
if (!m_fcdInput)
|
|
{
|
|
qCritical() << "FCDProPlusReader::startWork: cannot start FCD Pro+ sound card";
|
|
return;
|
|
}
|
|
|
|
connect(m_fcdInput, SIGNAL(readyRead()), this, SLOT(readFcdAudio()));
|
|
m_running = true;
|
|
|
|
qDebug() << "FCDProPlusReader::startWork: started";
|
|
}
|
|
|
|
void FCDProPlusReader::stopWork()
|
|
{
|
|
m_running = false;
|
|
disconnect(m_fcdInput, SIGNAL(readyRead()), this, SLOT(readFcdAudio()));
|
|
m_fcdAudioInput->stop();
|
|
|
|
qDebug() << "FCDProPlusReader::stopWork: stopped";
|
|
}
|
|
|
|
void FCDProPlusReader::openFcdAudio(const QAudioDeviceInfo& fcdAudioDeviceInfo)
|
|
{
|
|
QAudioFormat fcdAudioFormat = fcdAudioDeviceInfo.preferredFormat();
|
|
|
|
qDebug() << "FCDProPlusReader::openFcdAudio: device: " << fcdAudioDeviceInfo.deviceName()
|
|
<< " sampleRate: " << fcdAudioFormat.sampleRate()
|
|
<< " sampleBits: " << fcdAudioFormat.sampleSize();
|
|
|
|
m_fcdAudioInput = new QAudioInput(fcdAudioDeviceInfo, fcdAudioFormat, this);
|
|
//m_fcdAudioInput->setBufferSize(1<<14);
|
|
//m_fcdAudioInput->setNotifyInterval(50);
|
|
}
|
|
|
|
void FCDProPlusReader::readFcdAudio()
|
|
{
|
|
if (!m_fcdAudioInput) {
|
|
return;
|
|
}
|
|
|
|
int len = m_fcdAudioInput->bytesReady();
|
|
|
|
// qDebug() << "FCDProPlusReader::readFcdAudio:"
|
|
// << " buffer size: " << m_fcdAudioInput->bufferSize()
|
|
// << " interval: " << m_fcdAudioInput->notifyInterval()
|
|
// << " len: " << len;
|
|
|
|
if (len > fcd_traits<ProPlus>::fcdBufSize) {
|
|
len = fcd_traits<ProPlus>::fcdBufSize;
|
|
}
|
|
|
|
int readLen = m_fcdInput->read(m_fcdBuffer.data(), len);
|
|
|
|
if (readLen > 0) {
|
|
m_sampleFifo->write((const quint8*) m_fcdBuffer.constData(), (uint) readLen);
|
|
}
|
|
}
|
|
|