Mirrors/overte-thingvellir
3
0
Fork 0
mirror of https://thingvellir.net/git/overte synced 2025-03-27 23:52:03 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #12863 from kencooke/audio-gainadj-stereo

Browse source 
Support per-avatar gain adjustment on stereo input streams
This commit is contained in:
Ken Cooke 2018-04-13 06:52:54 -07:00 committed by GitHub
commit a5feb07bdf
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
assignment-client/src/audio/AudioMixerSlave.cpp
View file

@ -322,8 +322,16 @@ void AudioMixerSlave::addStream(AudioMixerClientData& listenerNodeData, const QU
// stereo sources are not passed through HRTF
if (streamToAdd.isStereo()) {
for (int i = 0; i < AudioConstants::NETWORK_FRAME_SAMPLES_STEREO; ++i) {
_mixSamples[i] += float(streamPopOutput[i] * gain / AudioConstants::MAX_SAMPLE_VALUE);
// apply the avatar gain adjustment
auto& hrtf = listenerNodeData.hrtfForStream(sourceNodeID, streamToAdd.getStreamIdentifier());
gain *= hrtf.getGainAdjustment();
const float scale = 1/32768.0f; // int16_t to float
for (int i = 0; i < AudioConstants::NETWORK_FRAME_SAMPLES_PER_CHANNEL; i++) {
_mixSamples[2*i+0] += (float)streamPopOutput[2*i+0] * gain * scale;
_mixSamples[2*i+1] += (float)streamPopOutput[2*i+1] * gain * scale;
}
++stats.manualStereoMixes;
@ -332,10 +340,13 @@ void AudioMixerSlave::addStream(AudioMixerClientData& listenerNodeData, const QU
// echo sources are not passed through HRTF
if (isEcho) {
for (int i = 0; i < AudioConstants::NETWORK_FRAME_SAMPLES_STEREO; i += 2) {
auto monoSample = float(streamPopOutput[i / 2] * gain / AudioConstants::MAX_SAMPLE_VALUE);
_mixSamples[i] += monoSample;
_mixSamples[i + 1] += monoSample;
const float scale = 1/32768.0f; // int16_t to float
for (int i = 0; i < AudioConstants::NETWORK_FRAME_SAMPLES_PER_CHANNEL; i++) {
float sample = (float)streamPopOutput[i] * gain * scale;
_mixSamples[2*i+0] += sample;
_mixSamples[2*i+1] += sample;
}
++stats.manualEchoMixes;