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libobs: Rework checking Mac audio device capabilities

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As of commit 2eb5a22, CoreAudio devices that use one device handle for
both input and output can no longer be used for audio monitoring. This
commit fixes that.

Tested with the built-in output, a Magewell XI100DUSB-HDMI which is
input only, and a MOTU UltraLite audio interface, which shows as
output/input capable.
This commit is contained in:
Luke Yelavich 2018-06-27 12:07:57 +10:00
parent 310c98e641
commit 002696e795
1 changed files with 5 additions and 7 deletions
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12
libobs/audio-monitoring/osx/coreaudio-enum-devices.c
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@ -25,16 +25,14 @@ static bool obs_enum_audio_monitoring_device(obs_enum_audio_device_cb cb,
AudioObjectPropertyAddress addr = {
kAudioDevicePropertyStreams,
kAudioDevicePropertyScopeInput,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
/* check to see if it's a mac input device */
if (!allow_inputs) {
AudioObjectGetPropertyDataSize(id, &addr, 0, NULL, &size);
if (size)
return true;
}
/* Check if the device is capable of audio output. */
AudioObjectGetPropertyDataSize(id, &addr, 0, NULL, &size);
if (!allow_inputs && !size)
return true;
size = sizeof(CFStringRef);