void CUCode_AXWii::OutputSamples(u32 lr_addr, u32 surround_addr, u16 volume,
bool upload_auxc)
{
u16 volume_ramp[96];
GenerateVolumeRamp(volume_ramp, m_last_main_volume, volume, 96);
m_last_main_volume = volume;
int upload_buffer[3 * 32] = { 0 };
for (u32 i = 0; i < 3 * 32; ++i)
upload_buffer[i] = Common::swap32(m_samples_surround[i]);
memcpy(HLEMemory_Get_Pointer(surround_addr), upload_buffer, sizeof (upload_buffer));
if (upload_auxc)
{
surround_addr += sizeof (upload_buffer);
for (u32 i = 0; i < 3 * 32; ++i)
upload_buffer[i] = Common::swap32(m_samples_auxC_left[i]);
memcpy(HLEMemory_Get_Pointer(surround_addr), upload_buffer, sizeof (upload_buffer));
}
short buffer[3 * 32 * 2];
// Clamp internal buffers to 16 bits.
for (u32 i = 0; i < 3 * 32; ++i)
{
int left = m_samples_left[i];
int right = m_samples_right[i];
// Apply global volume. Cast to s64 to avoid overflow.
left = ((s64)left * volume_ramp[i]) >> 15;
right = ((s64)right * volume_ramp[i]) >> 15;
if (left < -32767) left = -32767;
if (left > 32767) left = 32767;
if (right < -32767) right = -32767;
if (right > 32767) right = 32767;
m_samples_left[i] = left;
m_samples_right[i] = right;
}
for (u32 i = 0; i < 3 * 32; ++i)
{
buffer[2 * i] = Common::swap16(m_samples_right[i]);
buffer[2 * i + 1] = Common::swap16(m_samples_left[i]);
}
memcpy(HLEMemory_Get_Pointer(lr_addr), buffer, sizeof (buffer));
// There should be a DSP_SYNC message sent here. However, it looks like not
// sending it does not cause any issue, and sending it actually causes some
// sounds to go at half speed. I have no idea why.
}
void CUCode_AXWii::MixAUXSamples(int aux_id, u32 write_addr, u32 read_addr, u16 volume)
{
u16 volume_ramp[96];
GenerateVolumeRamp(volume_ramp, m_last_aux_volumes[aux_id], volume, 96);
m_last_aux_volumes[aux_id] = volume;
int* buffers[3] = { 0 };
int* main_buffers[3] = {
m_samples_left,
m_samples_right,
m_samples_surround
};
switch (aux_id)
{
case 0:
buffers[0] = m_samples_auxA_left;
buffers[1] = m_samples_auxA_right;
buffers[2] = m_samples_auxA_surround;
break;
case 1:
buffers[0] = m_samples_auxB_left;
buffers[1] = m_samples_auxB_right;
buffers[2] = m_samples_auxB_surround;
break;
case 2:
buffers[0] = m_samples_auxC_left;
buffers[1] = m_samples_auxC_right;
buffers[2] = m_samples_auxC_surround;
break;
}
// Send the content of AUX buffers to the CPU
if (write_addr)
{
int* ptr = (int*)HLEMemory_Get_Pointer(write_addr);
for (auto& buffer : buffers)
for (u32 j = 0; j < 3 * 32; ++j)
*ptr++ = Common::swap32(buffer[j]);
}
// Then read the buffers from the CPU and add to our main buffers.
int* ptr = (int*)HLEMemory_Get_Pointer(read_addr);
for (auto& main_buffer : main_buffers)
for (u32 j = 0; j < 3 * 32; ++j)
{
s64 sample = (s64)(s32)Common::swap32(*ptr++);
sample *= volume_ramp[j];
main_buffer[j] += (s32)(sample >> 15);
}
}
void AXWiiUCode::OutputSamples(u32 lr_addr, u32 surround_addr, u16 volume, bool upload_auxc)
{
u16 volume_ramp[96];
GenerateVolumeRamp(volume_ramp, m_last_main_volume, volume, ArraySize(volume_ramp));
m_last_main_volume = volume;
int upload_buffer[3 * 32] = { 0 };
for (u32 i = 0; i < 3 * 32; ++i)
upload_buffer[i] = Common::swap32(m_samples_surround[i]);
memcpy(HLEMemory_Get_Pointer(surround_addr), upload_buffer, sizeof(upload_buffer));
if (upload_auxc)
{
surround_addr += sizeof(upload_buffer);
for (u32 i = 0; i < 3 * 32; ++i)
upload_buffer[i] = Common::swap32(m_samples_auxC_left[i]);
memcpy(HLEMemory_Get_Pointer(surround_addr), upload_buffer, sizeof(upload_buffer));
}
short buffer[3 * 32 * 2];
// Clamp internal buffers to 16 bits.
for (u32 i = 0; i < 3 * 32; ++i)
{
int left = m_samples_left[i];
int right = m_samples_right[i];
// Apply global volume. Cast to s64 to avoid overflow.
left = ((s64)left * volume_ramp[i]) >> 15;
right = ((s64)right * volume_ramp[i]) >> 15;
m_samples_left[i] = MathUtil::Clamp(left, -32767, 32767);
m_samples_right[i] = MathUtil::Clamp(right, -32767, 32767);
}
for (u32 i = 0; i < 3 * 32; ++i)
{
buffer[2 * i] = Common::swap16(m_samples_right[i]);
buffer[2 * i + 1] = Common::swap16(m_samples_left[i]);
}
memcpy(HLEMemory_Get_Pointer(lr_addr), buffer, sizeof(buffer));
m_mail_handler.PushMail(DSP_SYNC, true);
}
void CUCode_AXWii::UploadAUXMixLRSC(int aux_id, u32* addresses, u16 volume)
{
int* aux_left = aux_id ? m_samples_auxB_left : m_samples_auxA_left;
int* aux_right = aux_id ? m_samples_auxB_right : m_samples_auxA_right;
int* aux_surround = aux_id ? m_samples_auxB_surround : m_samples_auxA_surround;
int* auxc_buffer = aux_id ? m_samples_auxC_surround : m_samples_auxC_right;
int* upload_ptr = (int*)HLEMemory_Get_Pointer(addresses[0]);
for (u32 i = 0; i < 96; ++i)
*upload_ptr++ = Common::swap32(aux_left[i]);
for (u32 i = 0; i < 96; ++i)
*upload_ptr++ = Common::swap32(aux_right[i]);
for (u32 i = 0; i < 96; ++i)
*upload_ptr++ = Common::swap32(aux_surround[i]);
upload_ptr = (int*)HLEMemory_Get_Pointer(addresses[1]);
for (u32 i = 0; i < 96; ++i)
*upload_ptr++ = Common::swap32(auxc_buffer[i]);
u16 volume_ramp[96];
GenerateVolumeRamp(volume_ramp, m_last_aux_volumes[aux_id], volume, 96);
m_last_aux_volumes[aux_id] = volume;
int* mix_dest[4] = {
m_samples_left,
m_samples_right,
m_samples_surround,
m_samples_auxC_left
};
for (u32 mix_i = 0; mix_i < 4; ++mix_i)
{
int* dl_ptr = (int*)HLEMemory_Get_Pointer(addresses[2 + mix_i]);
for (u32 i = 0; i < 96; ++i)
aux_left[i] = Common::swap32(dl_ptr[i]);
for (u32 i = 0; i < 96; ++i)
{
s64 sample = (s64)(s32)aux_left[i];
sample *= volume_ramp[i];
mix_dest[mix_i][i] += (s32)(sample >> 15);
}
}
}
