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Audio i/o: Took the safety offset into account when calculating latency in CoreAudio

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jules 2015-11-10 15:56:44 +00:00
parent 4400db5969
commit f6b3bddf74
1 changed files with 10 additions and 4 deletions
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14
modules/juce_audio_devices/native/juce_mac_CoreAudio.cpp
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@ -352,14 +352,20 @@ public:
int getLatencyFromDevice (AudioObjectPropertyScope scope) const
{
UInt32 lat = 0;
UInt32 size = sizeof (lat);
UInt32 latency = 0;
UInt32 size = sizeof (latency);
AudioObjectPropertyAddress pa;
pa.mElement = kAudioObjectPropertyElementMaster;
pa.mSelector = kAudioDevicePropertyLatency;
pa.mScope = scope;
AudioObjectGetPropertyData (deviceID, &pa, 0, nullptr, &size, &lat);
return (int) lat;
AudioObjectGetPropertyData (deviceID, &pa, 0, nullptr, &size, &latency);
UInt32 safetyOffset = 0;
size = sizeof (safetyOffset);
pa.mSelector = kAudioDevicePropertySafetyOffset;
AudioObjectGetPropertyData (deviceID, &pa, 0, nullptr, &size, &safetyOffset);
return (int) (latency + safetyOffset);
}
int getBitDepthFromDevice (AudioObjectPropertyScope scope) const