/* Begin burning the disc. */
int PortBurn_StartBurning(void *handle)
{
PBHandle *h = (PBHandle *)handle;
if (!h)
return pbErrNoHandle;
if (!h->device)
return pbErrDeviceNotOpen;
h->burn = DRBurnCreate(h->device);
if (!h->burn)
return pbErrCannotPrepareToBurn;
h->err = DRBurnWriteLayout(h->burn, h->trackArray);
if (h->err != noErr) {
DRBurnAbort(h->burn);
CFRelease(h->burn);
h->burn = NULL;
return pbErrCannotStartBurning;
}
h->frac = 0.0;
return pbSuccess;
}
/*
druBurn
Called to do a burn. Burning is a long async process, so this function mostly
handles providing appropriate progress and completion information to the user.
*/
int
druBurn(DRBurnRef burn, CFTypeRef layout)
{
DRNotificationCenterRef notificationCenter = NULL;
CFRunLoopSourceRef source = NULL;
druBurnStatus status = {0, NULL, NULL, NULL, {0}, 0};
/* Create a progress bar. */
status.progressBar = druProgressBarCreate();
/* Sign up for notifications from the burn object. */
notificationCenter = DRNotificationCenterCreate();
source = DRNotificationCenterCreateRunLoopSource(notificationCenter);
CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopCommonModes);
DRNotificationCenterAddObserver(notificationCenter,&status,druProgressCallback, kDRBurnStatusChangedNotification, burn);
/* Okay, kick off the burn. */
DRBurnWriteLayout(burn, layout);
/* Enter a runloop until the burn finishes. */
CFRunLoopRun();
/* Clean up memory and exit. */
CFRunLoopSourceInvalidate(source);
if (notificationCenter != NULL) CFRelease(notificationCenter);
if (source != NULL) CFRelease(source);
if (status.progressBar != NULL) druProgressBarDispose(status.progressBar,status.success);
if (status.success)
printf("Burn completed.\n");
else
druPrintFailureMessage("Burn", status.completionStatus);
if (status.completionStatus != NULL) CFRelease(status.completionStatus);
return status.success;
}
/* Begin burning the disc. */
int PortBurn_StartBurning(void *handle)
{
CFMutableDictionaryRef props;
PBHandle *h = (PBHandle *)handle;
if (h == NULL) {
return pbErrNoHandle;
}
if (h->device == NULL) {
return pbErrDeviceNotOpen;
}
if (h->burn != NULL || h->erase != NULL) {
return pbErrCannotStartBurning;
}
h->burn = DRBurnCreate(h->device);
if (h->burn == NULL) {
return pbErrCannotPrepareToBurn;
}
props = CFDictionaryCreateMutableCopy(NULL, 0, DRBurnGetProperties(h->burn));
if (props == NULL) {
DRBurnAbort(h->burn);
CFRelease(h->burn);
h->burn = NULL;
return pbErrCannotPrepareToBurn;
}
CFDictionaryAddValue(props,
kDRBurnCompletionActionKey,
h->eject ? kDRBurnCompletionActionEject : kDRBurnCompletionActionMount);
CFDictionaryAddValue(props,
kDRBurnVerifyDiscKey,
h->verify ? kCFBooleanTrue : kCFBooleanFalse);
CFDictionaryAddValue(props,
kDRBurnUnderrunProtectionKey,
h->underrun ? kCFBooleanTrue : kCFBooleanFalse);
CFDictionaryAddValue(props,
kDRBurnTestingKey,
h->test ? kCFBooleanTrue : kCFBooleanFalse);
if (h->speed != pbSpeedDefault) {
float speed;
if (h->speed == pbSpeedMax) {
speed = kDRDeviceBurnSpeedMax;
}
else {
speed = h->speed * kDRDeviceBurnSpeedCD1x;
}
CFNumberRef num = CFNumberCreate(NULL, kCFNumberFloatType, &speed);
if (num != NULL) {
CFDictionaryAddValue(props,
kDRBurnRequestedSpeedKey,
num);
CFRelease(num);
}
}
DRBurnSetProperties(h->burn, props);
CFRelease(props);
h->frac = 0.0;
h->err = DRBurnWriteLayout(h->burn, h->trackArray);
if (h->err != noErr) {
DRBurnAbort(h->burn);
CFRelease(h->burn);
h->burn = NULL;
return pbErrCannotStartBurning;
}
return pbSuccess;
}
