piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-23 14:19:46 -06:00
Code Issues Packages Projects Releases Wiki Activity

DSP HLE: Break out the ADPCM decoder, add a few comments.

Browse Source 
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3504 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-06-20 10:39:45 +00:00
parent 22a6533f7f
commit 8d30e3f3c0
7 changed files with 286 additions and 297 deletions
Download Patch File Download Diff File Expand all files Collapse all files

87
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h
View File

@ -21,8 +21,6 @@
#include "Common.h"
#include "UCodes.h"
struct ZPB
{
// R/W data =============
@ -35,17 +33,18 @@ struct ZPB
u16 unk5;
u16 unk6;
u16 unk7[0x2C]; // 0x033
u16 SampleData[0x4D];
u16 unk7[0x2C]; // 0x033
u16 SampleData[0x4D]; // 0x4D = 9 * 8
// Read only data(0x80 to the end)
u16 type; // 0x5, 0x9 = AFC.
// From here, "read only" data (0x80 to the end)
// 0x88, 0x89 could be volume
u16 type; // 0x5, 0x9 = AFC. There are more types but we've only seen AFC so far.
u16 r_unknown1;
u16 r_unknown2[0x14 / 2];
// Not sure what addresses this is, hopefully to sample data in ARAM.
// These are the only things in the param blocks that look a lot like pointers.
// Pointer to sample data in ARAM.
// These are the only things in the param blocks that look a lot like pointers.
u16 addr_high; // at 0x18 = 0xC * 2
u16 addr_low;
@ -60,6 +59,28 @@ namespace {
class CUCode_Zelda : public IUCode
{
public:
CUCode_Zelda(CMailHandler& _rMailHandler);
virtual ~CUCode_Zelda();
void HandleMail(u32 _uMail);
void Update(int cycles);
void MixAdd(short* buffer, int size);
void UpdatePB(ZPB& _rPB, int *templbuffer, int *temprbuffer, u32 _Size);
void CopyPBsFromRAM();
void CopyPBsToRAM();
void DoState(PointerWrap &p);
int *templbuffer;
int *temprbuffer;
// simple dump ...
void DumpPB(const ZPB& _rPB);
int DumpAFC(u8* pIn, const int size, const int srate);
private:
enum EDSP_Codes
{
@ -72,7 +93,7 @@ private:
};
// AFC CoefTable
short m_AFCCoefTable[16][2];
s16 m_AFCCoefTable[32];
// Command 0x2: SyncFrame
int m_NumberOfFramesToRender;
@ -86,7 +107,6 @@ private:
u32 m_readOffset;
enum EMailState
{
WaitForMail,
@ -94,63 +114,28 @@ private:
ReadingMessage,
ReadingSystemMsg
};
EMailState m_MailState;
u16 m_PBMask[0x10];
u32 m_NumPBs;
u32 m_PBAddress;
u32 m_PBAddress; // The main param block array
u32 m_PBAddress2; // 4 smaller param blocks
u32 m_MixingBufferLeft;
u32 m_MixingBufferRight;
u32 m_MaxSyncedPB;
ZPB m_PBs[0x40];
u8 Read8()
{
return m_Buffer[m_readOffset++];
}
u16 Read16()
{
u16 res = *(u16*)&m_Buffer[m_readOffset];
m_readOffset += 2;
return res;
}
u32 Read32()
{
u32 res = *(u32*)&m_Buffer[m_readOffset];
m_readOffset += 4;
return res;
}
public:
CUCode_Zelda(CMailHandler& _rMailHandler);
virtual ~CUCode_Zelda();
void HandleMail(u32 _uMail);
void Update(int cycles);
void MixAdd(short* buffer, int size);
void UpdatePB(ZPB& _rPB, int *templbuffer, int *temprbuffer, u32 _Size);
void CopyPBsFromRAM();
void CopyPBsToRAM();
void DoState(PointerWrap &p);
int AFCdecodebuffer(char *input, signed short *out, short * histp, short * hist2p, int type = 9);
int *templbuffer;
int *temprbuffer;
// simple dump ...
void DumpPB(const ZPB& _rPB);
int DumpAFC(u8* pIn, const int size, const int srate);
};
#endif