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change back off strategy, output trailing sleep

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This commit is contained in:
Stephen Birarda 2014-03-24 10:27:46 -07:00
parent 321930cec8
commit d0fbf4953a
1 changed files with 7 additions and 1 deletions
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8
assignment-client/src/audio/AudioMixer.cpp
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@ -384,6 +384,8 @@ void AudioMixer::run() {
const float STRUGGLE_TRIGGER_SLEEP_PERCENTAGE_THRESHOLD = 0.10f;
const float BACK_OFF_TRIGGER_SLEEP_PERCENTAGE_THRESHOLD = 0.20f;
const float RATIO_BACK_OFF = 0.02f;
const float CURRENT_FRAME_RATIO = 1.0f / TRAILING_AVERAGE_FRAMES;
const float PREVIOUS_FRAMES_RATIO = 1.0f - CURRENT_FRAME_RATIO;
@ -398,6 +400,10 @@ void AudioMixer::run() {
bool hasRatioChanged = false;
if (framesSinceCutoffEvent >= TRAILING_AVERAGE_FRAMES) {
if (framesSinceCutoffEvent % TRAILING_AVERAGE_FRAMES == 0) {
qDebug() << "Current trailing sleep ratio:" << _trailingSleepRatio;
}
if (_trailingSleepRatio <= STRUGGLE_TRIGGER_SLEEP_PERCENTAGE_THRESHOLD) {
// we're struggling - change our min required loudness to reduce some load
audabilityCutoffRatio = audabilityCutoffRatio + (0.5f * (1.0f - audabilityCutoffRatio));
@ -407,7 +413,7 @@ void AudioMixer::run() {
hasRatioChanged = true;
} else if (_trailingSleepRatio >= BACK_OFF_TRIGGER_SLEEP_PERCENTAGE_THRESHOLD && audabilityCutoffRatio != 0) {
// we've recovered and can back off the required loudness
audabilityCutoffRatio = audabilityCutoffRatio - (1.0f - audabilityCutoffRatio);
audabilityCutoffRatio = audabilityCutoffRatio - RATIO_BACK_OFF;
if (audabilityCutoffRatio < 0) {
audabilityCutoffRatio = 0;