TrackMetrics: Fix volume computation
Average volume should be weighted based on active time
not total lifetime.
Improve the numerical accuracy of average volume using
West's algorithm.
Remove unneeded variables.
Test: youtube, play/pause, adb shell dumpsys media.metrics
Bug: 233409482
Change-Id: I9fadb7287bd0bccbf5c74aad5a07eab277303d02
diff --git a/services/audioflinger/TrackBase.h b/services/audioflinger/TrackBase.h
index 2677ab3..20bfbb0 100644
--- a/services/audioflinger/TrackBase.h
+++ b/services/audioflinger/TrackBase.h
@@ -397,6 +397,8 @@
int64_t mLogStartFrames = 0; // Timestamp frames at start()
double mLogLatencyMs = 0.; // Track the last log latency
+ bool mLogForceVolumeUpdate = true; // force volume update to TrackMetrics.
+
TrackMetrics mTrackMetrics;
bool mServerLatencySupported = false;