mythcdrom-darwin.cpp

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#include <cerrno>
#include <sys/fcntl.h>
#include <unistd.h> // for close definition
 
#include <IOKit/storage/IOCDMediaBSDClient.h>
#include <IOKit/storage/IODVDMediaBSDClient.h>
 
#include "mythcdrom.h"
#include "mythcdrom-darwin.h"
#include "mythlogging.h"
 
#define LOC     QString("MythCDROMDarwin:")
 
class MythCDROMDarwin: public MythCDROM
{
public:
    MythCDROMDarwin(QObject* par, const QString& DevicePath,
                    bool SuperMount, bool AllowEject):
        MythCDROM(par, DevicePath, SuperMount, AllowEject) {};
 
    void setDeviceSpeed(const char *device, int speed) override; // MythMediaDevice
};
 
MythCDROM *GetMythCDROMDarwin(QObject* par, const QString& devicePath,
                              bool SuperMount, bool AllowEject)
{
    return new MythCDROMDarwin(par, devicePath, SuperMount, AllowEject);
}
 
void MythCDROMDarwin::setDeviceSpeed(const char *device, int speed)
{
    int       fd;
    QString   raw = device;
    uint16_t  spd = speed;
 
 
    fd = open(raw.toLocal8Bit().constData(), O_RDONLY | O_NONBLOCK);
    if (fd == -1)
    {
        LOG(VB_MEDIA, LOG_ERR, LOC +
            "setDeviceSpeed() can't open drive " + raw);
        return;
    }
 
    if (ioctl(fd, DKIOCCDSETSPEED, &spd) == -1 &&
        ioctl(fd, DKIOCDVDSETSPEED, &spd) == -1)
    {
        LOG(VB_MEDIA, LOG_ERR, LOC + "setDeviceSpeed() failed: " + ENO);
        close(fd);
        return;
    }
 
    LOG(VB_MEDIA, LOG_INFO, LOC + "setDeviceSpeed() - CD/DVD speed now " +
        QString::number(spd));
 
    close(fd);
}