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HLE DSP: Actually interpolate audio

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wheremyfoodat 2024-11-09 23:18:41 +02:00
parent 69e8e1c2c4
commit c70388dbeb
1 changed files with 20 additions and 12 deletions
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32
src/core/audio/hle_core.cpp
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@ -488,7 +488,7 @@ namespace Audio {
decodeBuffer(source); decodeBuffer(source);
} else { } else {
uint maxSampleCount = uint(float(Audio::samplesInFrame) * 1.0); uint maxSampleCount = uint(float(Audio::samplesInFrame) * 1.0);
uint outputCount = 0; usize outputCount = 0;
while (outputCount < maxSampleCount) { while (outputCount < maxSampleCount) {
if (source.currentSamples.empty()) { if (source.currentSamples.empty()) {
@ -499,19 +499,27 @@ namespace Audio {
} }
} }
const uint sampleCount = std::min<s32>(maxSampleCount - outputCount, source.currentSamples.size()); switch (source.interpolationMode) {
case Source::InterpolationMode::Linear:
Audio::Interpolation::linear(
source.interpolationState, source.currentSamples, source.rateMultiplier, source.currentFrame, outputCount
);
break;
case Source::InterpolationMode::None:
Audio::Interpolation::none(
source.interpolationState, source.currentSamples, source.rateMultiplier, source.currentFrame, outputCount
);
break;
// Copy samples to current frame buffer case Source::InterpolationMode::Polyphase:
// TODO: Implement linear/polyphase interpolation // Currently stubbed to be the same as linear
Audio::Interpolation::polyphase(
source.interpolationState, source.currentSamples, source.rateMultiplier, source.currentFrame, outputCount
);
break;
}
std::copy( source.samplePosition += u32(outputCount);
source.currentSamples.begin(), std::next(source.currentSamples.begin(), sampleCount), source.currentFrame.begin() + outputCount
);
// Remove samples from sample buffer
source.currentSamples.erase(source.currentSamples.begin(), std::next(source.currentSamples.begin(), sampleCount));
// Advance sample position
source.samplePosition += sampleCount;
outputCount += sampleCount;
} }
} }
} }