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CoreAudio: Include buffer size and stream latency when calculating CoreAudio device's total latency

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This commit is contained in:
hogliux 2022-10-06 15:45:36 +02:00
parent 9a62775809
commit a8a0342745
1 changed files with 20 additions and 7 deletions
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27
modules/juce_audio_devices/native/juce_mac_CoreAudio.cpp
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@ -915,15 +915,28 @@ public:
{
const auto scope = getScope (isInput);
const auto latency = audioObjectGetProperty<UInt32> (parent.deviceID, { kAudioDevicePropertyLatency,
scope,
juceAudioObjectPropertyElementMain }).value_or (0);
const auto deviceLatency = audioObjectGetProperty<UInt32> (parent.deviceID, { kAudioDevicePropertyLatency,
scope,
juceAudioObjectPropertyElementMain }).value_or (0);
const auto safetyOffset = audioObjectGetProperty<UInt32> (parent.deviceID, { kAudioDevicePropertySafetyOffset,
scope,
juceAudioObjectPropertyElementMain }).value_or (0);
const auto safetyOffset = audioObjectGetProperty<UInt32> (parent.deviceID, { kAudioDevicePropertySafetyOffset,
scope,
juceAudioObjectPropertyElementMain }).value_or (0);
return static_cast<int> (latency + safetyOffset);
const auto framesInBuffer = audioObjectGetProperty<UInt32> (parent.deviceID, { kAudioDevicePropertyBufferFrameSize,
kAudioObjectPropertyScopeWildcard,
juceAudioObjectPropertyElementMain }).value_or (0);
UInt32 streamLatency = 0;
if (auto streams = audioObjectGetProperties<AudioStreamID> (parent.deviceID, { kAudioDevicePropertyStreams,
scope,
juceAudioObjectPropertyElementMain }); ! streams.empty())
streamLatency = audioObjectGetProperty<UInt32> (streams.front(), { kAudioStreamPropertyLatency,
scope,
juceAudioObjectPropertyElementMain }).value_or (0);
return static_cast<int> (deviceLatency + safetyOffset + framesInBuffer + streamLatency);
}
//==============================================================================