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Disable SSE clamping for certain volume levels.

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Fixes sound in Tales of Phantasia.  Can improve later.
This commit is contained in:
Unknown W. Brackets 2014-12-08 02:05:36 -08:00
parent bfe5f9276e
commit 066ce50a12
1 changed files with 17 additions and 14 deletions
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31
Core/HLE/__sceAudio.cpp
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@ -87,20 +87,23 @@ static inline s16 adjustvolume(s16 sample, int vol) {
#endif
}
inline void AdjustVolumeBlock(s16 *out, s16 *in, int size, int leftVol, int rightVol) {
inline void AdjustVolumeBlock(s16 *out, s16 *in, size_t size, int leftVol, int rightVol) {
#ifdef _M_SSE
__m128i volume = _mm_set_epi16(leftVol, rightVol, leftVol, rightVol, leftVol, rightVol, leftVol, rightVol);
while (size >= 16) {
__m128i indata1 = _mm_loadu_si128((__m128i *)in);
__m128i indata2 = _mm_loadu_si128((__m128i *)(in + 8));
_mm_storeu_si128((__m128i *)out, _mm_mulhi_epi16(indata1, volume));
_mm_storeu_si128((__m128i *)(out + 8), _mm_mulhi_epi16(indata2, volume));
in += 16;
out += 16;
size -= 16;
// TODO: This can be done in SSE with some extra shifting (might not even affect speed.)
if (leftVol <= 0x7fff && rightVol <= 0x7fff) {
__m128i volume = _mm_set_epi16(leftVol, rightVol, leftVol, rightVol, leftVol, rightVol, leftVol, rightVol);
while (size >= 16) {
__m128i indata1 = _mm_loadu_si128((__m128i *)in);
__m128i indata2 = _mm_loadu_si128((__m128i *)(in + 8));
_mm_storeu_si128((__m128i *)out, _mm_mulhi_epi16(indata1, volume));
_mm_storeu_si128((__m128i *)(out + 8), _mm_mulhi_epi16(indata2, volume));
in += 16;
out += 16;
size -= 16;
}
}
#endif
for (int i = 0; i < size; i += 2) {
for (size_t i = 0; i < size; i += 2) {
out[i] = adjustvolume(in[i], leftVol);
out[i + 1] = adjustvolume(in[i + 1], rightVol);
}
@ -342,7 +345,7 @@ void __AudioSetOutputFrequency(int freq) {
mixFrequency = freq;
}
inline void ClampBufferToS16(s16 *out, s32 *in, int size) {
inline void ClampBufferToS16(s16 *out, s32 *in, size_t size) {
#ifdef _M_SSE
// Size will always be 16-byte aligned as the hwBlockSize is.
while (size >= 8) {
@ -354,11 +357,11 @@ inline void ClampBufferToS16(s16 *out, s32 *in, int size) {
in += 8;
size -= 8;
}
for (int i = 0; i < size; i++) {
for (size_t i = 0; i < size; i++) {
out[i] = clamp_s16(in[i]);
}
#else
for (int i = 0; i < size; i++) {
for (size_t i = 0; i < size; i++) {
out[i] = clamp_s16(in[i]);
}
#endif