qaudiodeviceinfo_mac_p.cpp File Reference

#include <QtCore/qstringlist.h>
#include <QtCore/qlist.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qdatastream.h>
#include <QtCore/qdebug.h>
#include <private/qcore_mac_p.h>
#include <QtMultimedia/qaudiodeviceinfo.h>
#include "qaudio_mac_p.h"
#include "qaudiodeviceinfo_mac_p.h"

Go to the source code of this file.

Functions
static QByteArray	get_device_info (AudioDeviceID audioDevice, QAudio::Mode mode)

Function Documentation

get_device_info()

static QByteArray get_device_info ( AudioDeviceID  audioDevice, QAudio::Mode  mode  )

static

Definition at line 272 of file qaudiodeviceinfo_mac_p.cpp.

{
    UInt32      size;
    QByteArray  device;
    QDataStream ds(&device, QIODevice::WriteOnly);
    AudioStreamBasicDescription     sf;
    CFStringRef name;
    Boolean     isInput = mode == QAudio::AudioInput;

    // Id
    ds << quint32(audioDevice);

    // Mode
    size = sizeof(AudioStreamBasicDescription);
    if (AudioDeviceGetProperty(audioDevice, 0, isInput, kAudioDevicePropertyStreamFormat,
                                &size, &sf) != noErr) {
        return QByteArray();
    }
    ds << quint32(mode);

    // Name
    size = sizeof(CFStringRef);
    if (AudioDeviceGetProperty(audioDevice, 0, isInput, kAudioObjectPropertyName,
                                &size, &name) != noErr) {
        qWarning() << "QAudioDeviceInfo: Unable to find device name";
    }
    ds << QCFString::toQString(name);

    CFRelease(name);

    return device;
}