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DSPHLE: fix and re-enable polyphase resampling 

This fixes the title screen music of Snowpack Park.
This commit is contained in:
Tillmann Karras 2021-07-25 04:37:22 +01:00
parent 55a465c6e6
commit 14da138ed9
1 changed files with 2 additions and 5 deletions
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7
Source/Core/Core/HW/DSPHLE/UCodes/AXVoice.h
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@ -231,11 +231,8 @@ u32 ResampleAudio(std::function<s16(u32)> input_callback, s16* output, u32 count
{ {
int read_samples_count = 0; int read_samples_count = 0;
// TODO(delroth): find out why the polyphase resampling algorithm causes
// audio glitches in Wii games with non integral ratios.
// If DSP DROM coefficients are available, support polyphase resampling. // If DSP DROM coefficients are available, support polyphase resampling.
if (0) // if (coeffs && srctype == SRCTYPE_POLYPHASE) if (coeffs && srctype == SRCTYPE_POLYPHASE)
{ {
s16 temp[4]; s16 temp[4];
u32 idx = 0; u32 idx = 0;
@ -264,7 +261,7 @@ u32 ResampleAudio(std::function<s16(u32)> input_callback, s16* output, u32 count
s64 samp = (t0 * c[0] + t1 * c[1] + t2 * c[2] + t3 * c[3]) >> 15; s64 samp = (t0 * c[0] + t1 * c[1] + t2 * c[2] + t3 * c[3]) >> 15;
output[i] = (s16)samp; output[i] = MathUtil::SaturatingCast<s16>(samp);
} }
last_samples[3] = temp[--idx & 3]; last_samples[3] = temp[--idx & 3];