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Put original algorithm back for compatibility with wiiu

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Jérémy Lugand 2024-01-04 20:21:32 +01:00
parent 848c35e2d7
commit 1cc1d74379
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1 changed files with 40 additions and 0 deletions
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soh/soh/mixer.c
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@ -278,6 +278,45 @@ void aEnvSetup2Impl(uint16_t initial_vol_left, uint16_t initial_vol_right) {
rspa.vol[1] = initial_vol_right;
}
#ifndef SSE2_AVAILABLE
// Base implementation for non SSE2 compatible CPUs
void aEnvMixerImpl(uint16_t in_addr, uint16_t n_samples, bool swap_reverb,
bool neg_3, bool neg_2,
bool neg_left, bool neg_right,
int32_t wet_dry_addr, u32 unk)
{
int16_t *in = BUF_S16(in_addr);
int16_t *dry[2] = {BUF_S16(((wet_dry_addr >> 24) & 0xFF) << 4), BUF_S16(((wet_dry_addr >> 16) & 0xFF) << 4)};
int16_t *wet[2] = {BUF_S16(((wet_dry_addr >> 8) & 0xFF) << 4), BUF_S16(((wet_dry_addr) & 0xFF) << 4)};
int16_t negs[4] = {neg_left ? -1 : 0, neg_right ? -1 : 0, neg_3 ? -4 : 0, neg_2 ? -2 : 0};
int swapped[2] = {swap_reverb ? 1 : 0, swap_reverb ? 0 : 1};
int n = ROUND_UP_16(n_samples);
uint16_t vols[2] = {rspa.vol[0], rspa.vol[1]};
uint16_t rates[2] = {rspa.rate[0], rspa.rate[1]};
uint16_t vol_wet = rspa.vol_wet;
uint16_t rate_wet = rspa.rate_wet;
do {
for (int i = 0; i < 8; i++) {
int16_t samples[2] = {*in, *in}; in++;
for (int j = 0; j < 2; j++) {
samples[j] = (samples[j] * vols[j] >> 16) ^ negs[j];
}
for (int j = 0; j < 2; j++) {
*dry[j] = clamp16(*dry[j] + samples[j]); dry[j]++;
*wet[j] = clamp16(*wet[j] + ((samples[swapped[j]] * vol_wet >> 16) ^ negs[2 + j])); wet[j]++;
}
}
vols[0] += rates[0];
vols[1] += rates[1];
vol_wet += rate_wet;
n -= 8;
} while (n > 0);
}
#else
// SSE2 optimized version of algorithm
void aEnvMixerImpl(uint16_t in_addr, uint16_t n_samples, bool swap_reverb,
bool neg_3, bool neg_2,
bool neg_left, bool neg_right,
@ -332,6 +371,7 @@ void aEnvMixerImpl(uint16_t in_addr, uint16_t n_samples, bool swap_reverb,
vol_wet += rate_wet;
}
}
#endif
void aMixImpl(uint16_t count, int16_t gain, uint16_t in_addr, uint16_t out_addr) {
int nbytes = ROUND_UP_32(ROUND_DOWN_16(count << 4));