If you have already received this email, just discard it and accept my
apologies.
Hi,
I’m having a trouble to run a routine that retrieves the input and output
devices.
Specifically, if I compile the routine with the following command:
g++ -arch i386 -fPIC -c -Wall -o device_list.o device_list.cpp
g++ -arch i386 -framework AudioUnit -framework CoreAudio -framework
CoreFoundation -framework AudioToolbox -I/usr/local/include \
-o device_list.exe device_list_main.cpp device_list.o
everything works fine, but if I compile this very source with a project that
does not use the “-arch i386” option, the binary starts but doesn’t work fine.
More precisely, in the following snippet, the status is fine but the deviceName
is NULL:
CFStringRef deviceName = NULL;
dataSize = sizeof(deviceName);
propertyAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL,
&dataSize, &deviceName);
if(kAudioHardwareNoError != status) {
fprintf(stderr, "AudioObjectGetPropertyData
(kAudioDevicePropertyDeviceNameCFString) failed: %i\n", status);
continue;
}
More, the project in which I need to compile this routine with, has been
compiled without the “-arch i386” option.
I’m using OS X 10.10.3
and
g++ Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn)
Target: x86_64-apple-darwin14.3.0
Thread model: posix
Thanx in advance.
Cheers
Dodo _______________________________________________
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