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Make audio bus channels' peak volume consistent

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Channels that are inactive -or when playback has not started yet- will report -200 dB as their peak value (which is also the lowest value possible during playback).

(cherry picked from commit a2b3a73e2d)
This commit is contained in:
Pedro J. Estébanez
2021-02-02 11:25:40 +01:00
committed by Rémi Verschelde
parent f9bf6fc3f3
commit ae215451fc
3 changed files with 8 additions and 4 deletions
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7
servers/audio_server.cpp
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@@ -411,9 +411,10 @@ void AudioServer::_mix_step() {
}
for (int k = 0; k < bus->channels.size(); k++) {
if (!bus->channels[k].active)
if (!bus->channels[k].active) {
bus->channels.write[k].peak_volume = AudioFrame(AUDIO_MIN_PEAK_DB, AUDIO_MIN_PEAK_DB);
continue;
}
AudioFrame *buf = bus->channels.write[k].buffer.ptrw();
@@ -446,7 +447,7 @@ void AudioServer::_mix_step() {
}
}
bus->channels.write[k].peak_volume = AudioFrame(Math::linear2db(peak.l + 0.0000000001), Math::linear2db(peak.r + 0.0000000001));
bus->channels.write[k].peak_volume = AudioFrame(Math::linear2db(peak.l + AUDIO_PEAK_OFFSET), Math::linear2db(peak.r + AUDIO_PEAK_OFFSET));
if (!bus->channels[k].used) {
//see if any audio is contained, because channel was not used