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Try to (re-)implement AFC sound. This is an adaptation of the code I commented out in the PCM16 commit.

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For some reason AFC sound is slightly wrong. I don't know if it also happened before, but I'll work on it.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3600 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
luigi2us
2009-06-29 18:11:32 +00:00
parent e1e9d609ed
commit c9cc3c355d
5 changed files with 339 additions and 229 deletions
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63
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.cpp
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@ -21,7 +21,6 @@
#include "../Globals.h"
#include "UCodes.h"
#include "UCode_Zelda.h"
#include "UCode_Zelda_Voice.h"
#include "UCode_Zelda_ADPCM.h"
#include "../MailHandler.h"
@ -30,64 +29,6 @@
#include "WaveFile.h"
/*
class CResampler
{
public:
CResampler(short* samples, int num_stereo_samples, int core_sample_rate)
: m_mode(1)
, m_queueSize(0)
{
int PV1l=0,PV2l=0,PV3l=0,PV4l=0;
int acc=0;
while (num_stereo_samples)
{
acc += core_sample_rate;
while (num_stereo_samples && (acc >= 48000))
{
PV4l=PV3l;
PV3l=PV2l;
PV2l=PV1l;
PV1l=*(samples++); //32bit processing
num_stereo_samples--;
acc-=48000;
}
// defaults to nearest
s32 DataL = PV1l;
if (m_mode == 1) { //linear
DataL = PV1l + ((PV2l - PV1l)*acc)/48000;
}
else if (m_mode == 2) {//cubic
s32 a0l = PV1l - PV2l - PV4l + PV3l;
s32 a1l = PV4l - PV3l - a0l;
s32 a2l = PV1l - PV4l;
s32 a3l = PV2l;
s32 t0l = ((a0l )*acc)/48000;
s32 t1l = ((t0l+a1l)*acc)/48000;
s32 t2l = ((t1l+a2l)*acc)/48000;
s32 t3l = ((t2l+a3l));
DataL = t3l;
}
int l = DataL;
if (l < -32767) l = -32767;
if (l > 32767) l = 32767;
sample_queue.push(l);
m_queueSize += 1;
}
}
FixedSizeQueue<s16, queue_maxlength> sample_queue;
int m_queueSize;
int m_mode;
};
*/
CUCode_Zelda::CUCode_Zelda(CMailHandler& _rMailHandler, u32 _CRC)
: IUCode(_rMailHandler)
, m_CRC(_CRC)
@ -536,7 +477,7 @@ void CUCode_Zelda::ExecuteList()
// Read AFC coef table
u16 *TempPtr = (u16*) g_dspInitialize.pGetMemoryPointer(m_AFCCoefTableAddr);
for (int i = 0; i < 32; i++)
m_AFCCoefTable[i] = Common::swap16(TempPtr[i]);
m_AFCCoefTable[i] = (s16)Common::swap16(TempPtr[i]);
DEBUG_LOG(DSPHLE, "DsetupTable");
DEBUG_LOG(DSPHLE, "Num voice param blocks: %i", m_NumVoices);
@ -686,7 +627,7 @@ void CUCode_Zelda::MixAdd(short* _Buffer, int _Size)
for (u32 i = 0; i < m_NumVoices; i++)
{
u32 flags = m_SyncFlags[(i >> 4) & 0xF];
if (!(flags & 0x8000))
if (!(flags & 1 << (15 - (i & 0xF))))
continue;
ZeldaVoicePB pb;