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26c07717aa
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2 changed files with 17 additions and 18 deletions
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@ -21,7 +21,7 @@ namespace Audio {
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u32 paddr; // Physical address of the buffer
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u32 sampleCount; // Total number of samples
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u8 adpcmScale; // ADPCM predictor/scale
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u8 pad1; // Unknown
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u8 pad1; // Unknown
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std::array<s16, 2> previousSamples; // ADPCM y[n-1] and y[n-2]
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bool adpcmDirty;
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@ -59,8 +59,8 @@ namespace Audio {
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// Where y[n] is the output sample we're generating, x[n] is the ADPCM "differential" of the current sample
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// And coeff1/coeff2 are the coefficients from this array that are used for weighing the history samples
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std::array<s16, 16> adpcmCoefficients;
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s16 history1; // y[n-1], the previous output sample
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s16 history2; // y[n-2], the previous previous output sample
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s16 history1; // y[n-1], the previous output sample
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s16 history2; // y[n-2], the previous previous output sample
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SampleBuffer currentSamples;
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int index = 0; // Index of the voice in [0, 23] for debugging
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@ -69,7 +69,7 @@ namespace Audio {
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// Pop a buffer from the buffer queue and return it
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Buffer popBuffer() {
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assert(!buffers.empty());
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Buffer ret = buffers.top();
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buffers.pop();
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@ -87,7 +87,7 @@ namespace Audio {
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template <typename T, usize channelCount>
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using Frame = std::array<Sample<T, channelCount>, 160>;
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template <typename T>
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using MonoFrame = Frame<T, 1>;
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@ -99,6 +99,7 @@ namespace Audio {
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using Source = Audio::DSPSource;
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using SampleBuffer = Source::SampleBuffer;
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private:
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enum class DSPState : u32 {
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Off,
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@ -118,7 +119,7 @@ namespace Audio {
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SourceType sourceType = SourceType::Stereo;
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void resetAudioPipe();
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bool loaded = false; // Have we loaded a component?
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bool loaded = false; // Have we loaded a component?
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// Get the index for the current region we'll be reading. Returns the region with the highest frame counter
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// Accounting for whether one of the frame counters has wrapped around
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