qt-everywhere-src-5.15.1/qtmultimedia/src/plugins/qnx-audio/audio/qnxaudioplugin.cpp

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#include "qnxaudioplugin.h"

#include "qnxaudiodeviceinfo.h"
#include "qnxaudioinput.h"
#include "qnxaudiooutput.h"

#include <sys/asoundlib.h>

static const char *INPUT_ID = "QnxAudioInput";
static const char *OUTPUT_ID = "QnxAudioOutput";

QT_BEGIN_NAMESPACE

QnxAudioPlugin::QnxAudioPlugin(QObject *parent)
    : QAudioSystemPlugin(parent)
{
}

QByteArray QnxAudioPlugin::defaultDevice(QAudio::Mode mode) const
{
    return (mode == QAudio::AudioOutput) ? OUTPUT_ID : INPUT_ID;
}

QList<QByteArray> QnxAudioPlugin::availableDevices(QAudio::Mode mode) const
{
    if (mode == QAudio::AudioOutput)
        return QList<QByteArray>() << OUTPUT_ID;
    else
        return QList<QByteArray>() << INPUT_ID;
}

QAbstractAudioInput *QnxAudioPlugin::createInput(const QByteArray &device)
{
    Q_ASSERT(device == INPUT_ID);
    Q_UNUSED(device);
    return new QnxAudioInput();
}

QAbstractAudioOutput *QnxAudioPlugin::createOutput(const QByteArray &device)
{
    Q_ASSERT(device == OUTPUT_ID);
    Q_UNUSED(device);
    return new QnxAudioOutput();
}

QAbstractAudioDeviceInfo *QnxAudioPlugin::createDeviceInfo(const QByteArray &device, QAudio::Mode mode)
{
    Q_ASSERT(device == OUTPUT_ID || device == INPUT_ID);
    return new QnxAudioDeviceInfo(device, mode);
}

QT_END_NAMESPACE