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improved audio monitor

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This commit is contained in:
itsmattkc
2019-01-22 13:17:38 +11:00
parent e7f05ff64b
commit 8133d4dd9d
6 changed files with 23 additions and 20 deletions
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playback/audio.cpp
+3 -7
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@@ -178,19 +178,15 @@ int AudioSenderThread::send_audio_to_output(unsigned long offset, int max) {
averages.resize(channels);
averages.fill(0);
for (int i=0;i<channels;i++) {
averages[i] = 0;
}
int counter = 0;
qint16 sample;
for (unsigned long i=offset;i<lim;i+=2) {
sample = qint16(((audio_ibuffer[i+1] & 0xFF) << 8) | (audio_ibuffer[i] & 0xFF));
averages[counter%channels] += qAbs(double(sample)/32768.0);
counter++;
averages[counter] = qMax((double(sample)/32768.0), averages[counter]);
counter = (counter+1)%channels;
}
double divider = counter / channels;
for (int i=0;i<channels;i++) {
averages[i] = log_volume(1.0-(averages[i]/divider));
averages[i] = log_volume(1.0-(averages[i]));
}
panel_timeline->audio_monitor->set_value(averages);