Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-15 11:08:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

re-instate positional audio in the audio-mixer

Browse source
This commit is contained in:
Stephen Birarda 2013-12-16 12:36:55 -08:00
parent 2d4a8ca997
commit 0970ed55a8
1 changed files with 19 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
assignment-client/src/audio/AudioMixer.cpp
View file

@ -165,28 +165,26 @@ void AudioMixer::addBufferToMixForListeningNodeWithBuffer(PositionalAudioRingBuf
int goodChannelOffset = delayedChannelOffset == 0 ? 1 : 0;
for (int s = 0; s < NETWORK_BUFFER_LENGTH_SAMPLES_STEREO; s += 2) {
// if (s < numSamplesDelay) {
// // pull the earlier sample for the delayed channel
// int earlierSample = (*bufferToAdd)[(s / 2) - numSamplesDelay] * attenuationCoefficient * weakChannelAmplitudeRatio;
//
// _clientSamples[s + delayedChannelOffset] = glm::clamp(_clientSamples[s + delayedChannelOffset] + earlierSample,
// MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
// }
//
// // pull the current sample for the good channel
// int16_t currentSample = (*bufferToAdd)[s / 2] * attenuationCoefficient;
// _clientSamples[s + goodChannelOffset] = glm::clamp(_clientSamples[s + goodChannelOffset] + currentSample,
// MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
//
// if (s + numSamplesDelay < NETWORK_BUFFER_LENGTH_SAMPLES_STEREO) {
// // place the curernt sample at the right spot in the delayed channel
// int16_t clampedSample = glm::clamp((int) (_clientSamples[s + numSamplesDelay + delayedChannelOffset]
// + (currentSample * weakChannelAmplitudeRatio)),
// MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
// _clientSamples[s + numSamplesDelay + delayedChannelOffset] = clampedSample;
// }
if ((s / 2) < numSamplesDelay) {
// pull the earlier sample for the delayed channel
int earlierSample = (*bufferToAdd)[(s / 2) - numSamplesDelay] * attenuationCoefficient * weakChannelAmplitudeRatio;
_clientSamples[s + delayedChannelOffset] = glm::clamp(_clientSamples[s + delayedChannelOffset] + earlierSample,
MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
}
_clientSamples[s] = _clientSamples[s + 1] = (*bufferToAdd)[s / 2] * attenuationCoefficient;
// pull the current sample for the good channel
int16_t currentSample = (*bufferToAdd)[s / 2] * attenuationCoefficient;
_clientSamples[s + goodChannelOffset] = glm::clamp(_clientSamples[s + goodChannelOffset] + currentSample,
MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
if ((s / 2) + numSamplesDelay < NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL) {
// place the curernt sample at the right spot in the delayed channel
int16_t clampedSample = glm::clamp((int) (_clientSamples[s + numSamplesDelay + delayedChannelOffset]
+ (currentSample * weakChannelAmplitudeRatio)),
MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
_clientSamples[s + numSamplesDelay + delayedChannelOffset] = clampedSample;
}
}
}