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audio: Interpolate system manager sample count using host sink sample info

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This avoids the need to stall if the host sink sporadically misses the deadline, in such a case the previous implementation would report them samples as being played on-time, causing the guest to send more samples and leading to a gradual buildup.
This commit is contained in:
Billy Laws
2023-03-18 20:52:02 +00:00
parent 8da1a4ea22
commit d8fc3f403b
4 changed files with 39 additions and 3 deletions
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3
src/audio_core/device/device_session.cpp
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@ -121,8 +121,7 @@ u64 DeviceSession::GetPlayedSampleCount() const {
}
std::optional<std::chrono::nanoseconds> DeviceSession::ThreadFunc() {
// Add 5ms of samples at a 48K sample rate.
played_sample_count += 48'000 * INCREMENT_TIME / 1s;
played_sample_count = stream->GetExpectedPlayedSampleCount();
if (type == Sink::StreamType::Out) {
system.AudioCore().GetAudioManager().SetEvent(Event::Type::AudioOutManager, true);
} else {