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fix pulling of delayed samples in audio mixer

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This commit is contained in:
Stephen Birarda 2013-12-17 11:22:34 -08:00
parent 8ece758107
commit bbe525412f
1 changed files with 3 additions and 4 deletions
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7
assignment-client/src/audio/AudioMixer.cpp
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@ -164,7 +164,6 @@ void AudioMixer::addBufferToMixForListeningNodeWithBuffer(PositionalAudioRingBuf
if ((s / 2) < numSamplesDelay) { if ((s / 2) < numSamplesDelay) {
// pull the earlier sample for the delayed channel // pull the earlier sample for the delayed channel
int earlierSample = (*bufferToAdd)[(s / 2) - numSamplesDelay] * attenuationCoefficient * weakChannelAmplitudeRatio; int earlierSample = (*bufferToAdd)[(s / 2) - numSamplesDelay] * attenuationCoefficient * weakChannelAmplitudeRatio;
_clientSamples[s + delayedChannelOffset] = glm::clamp(_clientSamples[s + delayedChannelOffset] + earlierSample, _clientSamples[s + delayedChannelOffset] = glm::clamp(_clientSamples[s + delayedChannelOffset] + earlierSample,
MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE); MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
} }
@ -175,11 +174,11 @@ void AudioMixer::addBufferToMixForListeningNodeWithBuffer(PositionalAudioRingBuf
MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE); MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
if ((s / 2) + numSamplesDelay < NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL) { if ((s / 2) + numSamplesDelay < NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL) {
// place the curernt sample at the right spot in the delayed channel // place the current sample at the right spot in the delayed channel
int16_t clampedSample = glm::clamp((int) (_clientSamples[s + numSamplesDelay + delayedChannelOffset] int16_t clampedSample = glm::clamp((int) (_clientSamples[s + (numSamplesDelay * 2) + delayedChannelOffset]
+ (currentSample * weakChannelAmplitudeRatio)), + (currentSample * weakChannelAmplitudeRatio)),
MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE); MIN_SAMPLE_VALUE, MAX_SAMPLE_VALUE);
_clientSamples[s + numSamplesDelay + delayedChannelOffset] = clampedSample; _clientSamples[s + (numSamplesDelay * 2) + delayedChannelOffset] = clampedSample;
} }
} }
} }