The-Homebrew-Cloud/dolphin
2
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-02-13 07:49:19 +01:00
Code Issues Packages Projects Releases Wiki Activity

Implement Wiimote audio output in AXWii. Not very useful yet as no sound is currently being mixed to the wiimote channels.

Browse Source
This commit is contained in:
Pierre Bourdon 2012-11-20 11:34:24 +01:00
parent affdf08fd6
commit 9d85052a66
2 changed files with 73 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
Source/Core/Core/Src/HW/DSPHLE/UCodes/UCode_AXWii.cpp
View File

@ -105,10 +105,18 @@ void CUCode_AXWii::HandleCommandList()
case CMD_UNK_0C: curr_idx += 5; break;
case CMD_UNK_0D:
// Wiimote output?
case CMD_WM_OUTPUT:
{
u32 addresses[4] = {
(u32)(m_cmdlist[curr_idx + 0] << 16) | m_cmdlist[curr_idx + 1],
(u32)(m_cmdlist[curr_idx + 2] << 16) | m_cmdlist[curr_idx + 3],
(u32)(m_cmdlist[curr_idx + 4] << 16) | m_cmdlist[curr_idx + 5],
(u32)(m_cmdlist[curr_idx + 6] << 16) | m_cmdlist[curr_idx + 7],
};
curr_idx += 8;
OutputWMSamples(addresses);
break;
}
case CMD_END:
end = true;
@ -126,19 +134,31 @@ void CUCode_AXWii::SetupProcessing(u32 init_addr)
init_data[i] = HLEMemory_Read_U16(init_addr + 2 * i);
// List of all buffers we have to initialize
int* buffers[] = {
m_samples_left,
m_samples_right,
m_samples_surround,
m_samples_auxA_left,
m_samples_auxA_right,
m_samples_auxA_surround,
m_samples_auxB_left,
m_samples_auxB_right,
m_samples_auxB_surround,
m_samples_auxC_left,
m_samples_auxC_right,
m_samples_auxC_surround
struct {
int* ptr;
u32 samples;
} buffers[] = {
{ m_samples_left, 32 },
{ m_samples_right, 32 },
{ m_samples_surround, 32 },
{ m_samples_auxA_left, 32 },
{ m_samples_auxA_right, 32 },
{ m_samples_auxA_surround, 32 },
{ m_samples_auxB_left, 32 },
{ m_samples_auxB_right, 32 },
{ m_samples_auxB_surround, 32 },
{ m_samples_auxC_left, 32 },
{ m_samples_auxC_right, 32 },
{ m_samples_auxC_surround, 32 },
{ m_samples_wm0, 6 },
{ m_samples_aux0, 6 },
{ m_samples_wm1, 6 },
{ m_samples_aux1, 6 },
{ m_samples_wm2, 6 },
{ m_samples_aux2, 6 },
{ m_samples_wm3, 6 },
{ m_samples_aux3, 6 }
};
u32 init_idx = 0;
@ -150,12 +170,12 @@ void CUCode_AXWii::SetupProcessing(u32 init_addr)
init_idx += 3;
if (!init_val)
memset(buffers[i], 0, 3 * 32 * sizeof (int));
memset(buffers[i].ptr, 0, 3 * buffers[i].samples * sizeof (int));
else
{
for (u32 j = 0; j < 3 * 32; ++j)
for (u32 j = 0; j < 3 * buffers[i].samples; ++j)
{
buffers[i][j] = init_val;
buffers[i].ptr[j] = init_val;
init_val += delta;
}
}
@ -313,6 +333,29 @@ void CUCode_AXWii::OutputSamples(u32 lr_addr, u32 surround_addr, u16 volume)
memcpy(HLEMemory_Get_Pointer(lr_addr), buffer, sizeof (buffer));
}
void CUCode_AXWii::OutputWMSamples(u32* addresses)
{
int* buffers[] = {
m_samples_wm0,
m_samples_wm1,
m_samples_wm2,
m_samples_wm3
};
for (u32 i = 0; i < 4; ++i)
{
int* in = buffers[i];
u16* out = (u16*)HLEMemory_Get_Pointer(addresses[i]);
for (u32 j = 0; j < 3 * 6; ++j)
{
int sample = in[j];
if (sample < -32767) sample = -32767;
if (sample > 32767) sample = 32767;
out[j] = Common::swap16((u16)sample);
}
}
}
void CUCode_AXWii::DoState(PointerWrap &p)
{
std::lock_guard<std::mutex> lk(m_processing);

13
Source/Core/Core/Src/HW/DSPHLE/UCodes/UCode_AXWii.h
View File

@ -33,6 +33,16 @@ protected:
int m_samples_auxC_right[32 * 3];
int m_samples_auxC_surround[32 * 3];
// Wiimote buffers
int m_samples_wm0[6 * 3];
int m_samples_aux0[6 * 3];
int m_samples_wm1[6 * 3];
int m_samples_aux1[6 * 3];
int m_samples_wm2[6 * 3];
int m_samples_aux2[6 * 3];
int m_samples_wm3[6 * 3];
int m_samples_aux3[6 * 3];
// Convert a mixer_control bitfield to our internal representation for that
// value. Required because that bitfield has a different meaning in some
// versions of AX.
@ -44,6 +54,7 @@ protected:
void ProcessPBList(u32 pb_addr);
void MixAUXSamples(int aux_id, u32 write_addr, u32 read_addr, u16 volume);
void OutputSamples(u32 lr_addr, u32 surround_addr, u16 volume);
void OutputWMSamples(u32* addresses); // 4 addresses
private:
enum CmdType
@ -61,7 +72,7 @@ private:
CMD_UNK_0A = 0x0A,
CMD_OUTPUT = 0x0B,
CMD_UNK_0C = 0x0C,
CMD_UNK_0D = 0x0D,
CMD_WM_OUTPUT = 0x0D,
CMD_END = 0x0E
};
};