Convert device name from CFStringRef to char*

This commit is contained in:
Jacob Vosmaer 2016-07-03 12:59:19 +02:00
parent bdc257b40e
commit 4dd2c5cdd5

View File

@ -110,6 +110,7 @@ osx_output_set_device(OSXOutput *oo, Error &error)
UInt32 size, numdevices;
AudioDeviceID *deviceids = nullptr;
AudioObjectPropertyAddress propaddr;
CFStringRef cfname = nullptr;
char name[256];
unsigned int i;
@ -144,8 +145,8 @@ osx_output_set_device(OSXOutput *oo, Error &error)
/* which audio device matches oo->device_name? */
propaddr = { kAudioObjectPropertyName, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
for (i = 0; i < numdevices; i++) {
size = sizeof(name);
status = AudioObjectGetPropertyData(deviceids[i], &propaddr, 0, nullptr, &size, name);
size = sizeof(CFStringRef);
status = AudioObjectGetPropertyData(deviceids[i], &propaddr, 0, nullptr, &size, &cfname);
if (status != noErr) {
error.Format(osx_output_domain, status,
"Unable to determine OS X device name "
@ -155,6 +156,12 @@ osx_output_set_device(OSXOutput *oo, Error &error)
ret = false;
goto done;
}
if (!CFStringGetCString(cfname, name, sizeof(name), kCFStringEncodingUTF8)) {
error.Format(osx_output_domain, "Unable to convert device name CFString to char*");
ret = false;
goto done;
}
FormatDebug(osx_output_domain, "found OS X audio output device: %s", name);
if (strcmp(oo->device_name, name) == 0) {
FormatDebug(osx_output_domain,
@ -191,6 +198,9 @@ osx_output_set_device(OSXOutput *oo, Error &error)
done:
delete[] deviceids;
if (cfname) {
CFRelease(cfname);
}
return ret;
}