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SPU: Fix off-by-one-sampling-error causing noise in output

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This commit is contained in:
Connor McLaughlin
2019-10-29 13:33:19 +10:00
parent 6f7b9c8e28
commit 40eb157d77
2 changed files with 13 additions and 14 deletions
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8
src/core/spu.h
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@ -14,8 +14,6 @@ class InterruptController;
class SPU
{
public:
using SampleFormat = s16;
SPU();
~SPU();
@ -221,8 +219,8 @@ private:
VoiceRegisters regs;
VoiceCounter counter;
ADPCMFlags current_block_flags;
std::array<SampleFormat, NUM_SAMPLES_PER_ADPCM_BLOCK> current_block_samples;
std::array<SampleFormat, 3> previous_block_last_samples;
std::array<s16, NUM_SAMPLES_PER_ADPCM_BLOCK> current_block_samples;
std::array<s16, 3> previous_block_last_samples;
std::array<s32, 2> adpcm_last_samples;
ADSRPhase adsr_phase;
@ -238,7 +236,7 @@ private:
void KeyOff();
void DecodeBlock(const ADPCMBlock& block);
SampleFormat SampleBlock(s32 index) const;
s16 SampleBlock(s32 index) const;
s16 Interpolate() const;
// Switches to the specified phase, filling in target.