archive/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-07-06 15:01:28 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix 16 bit audio mode

Browse source 
Pointed by @ruipin, some backends may be affected
Reuse float buffer for conversion result
This commit is contained in:
Nekotekina 2018-11-24 02:46:54 +03:00
parent 4baa159523
commit 7f1cbb1136
1 changed files with 4 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

12
rpcs3/Emu/Cell/Modules/cellAudio.cpp
View file

@ -267,22 +267,16 @@ void audio_thread::operator()()
// 2x CVTPS2DQ (converts float to s32) // 2x CVTPS2DQ (converts float to s32)
// PACKSSDW (converts s32 to s16 with signed saturation) // PACKSSDW (converts s32 to s16 with signed saturation)
__m128i buf_u16[BUFFER_SIZE];
for (size_t i = 0; i < 8 * BUFFER_SIZE; i += 8) for (size_t i = 0; i < 8 * BUFFER_SIZE; i += 8)
{ {
const auto scale = _mm_set1_ps(0x8000); const auto scale = _mm_set1_ps(0x8000);
buf_u16[i / 8] = _mm_packs_epi32( _mm_store_ps(out_buffer[out_pos].get() + i / 2, _mm_castsi128_ps(_mm_packs_epi32(
_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(out_buffer[out_pos].get() + i), scale)), _mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(out_buffer[out_pos].get() + i), scale)),
_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(out_buffer[out_pos].get() + i + 4), scale))); _mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(out_buffer[out_pos].get() + i + 4), scale)))));
}
} }
audio->AddData(buf_u16, buf_sz);
}
else
{
audio->AddData(out_buffer[out_pos].get(), buf_sz); audio->AddData(out_buffer[out_pos].get(), buf_sz);
}
const u64 stamp2 = get_system_time(); const u64 stamp2 = get_system_time();