pcsx2/plugins/spu2ghz/src/waveout.cpp

279 lines
6.8 KiB
C++

//GiGaHeRz's SPU2 Driver
//Copyright (c) 2003-2008, David Quintana <gigaherz@gmail.com>
//
//This library is free software; you can redistribute it and/or
//modify it under the terms of the GNU Lesser General Public
//License as published by the Free Software Foundation; either
//version 2.1 of the License, or (at your option) any later version.
//
//This library is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//Lesser General Public License for more details.
//
//You should have received a copy of the GNU Lesser General Public
//License along with this library; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
#include "spu2.h"
#include "dialogs.h"
#include <windows.h>
class WaveOutModule: public SndOutModule
{
private:
# define MAX_BUFFER_COUNT 8
static const int PacketsPerBuffer = (1024 / SndOutPacketSize);
static const int BufferSize = SndOutPacketSize*PacketsPerBuffer;
static const int BufferSizeBytes = BufferSize << 1;
u32 numBuffers;
HWAVEOUT hwodevice;
WAVEFORMATEX wformat;
WAVEHDR whbuffer[MAX_BUFFER_COUNT];
s16* qbuffer;
#define QBUFFER(x) (qbuffer + BufferSize * (x))
bool waveout_running;
HANDLE thread;
DWORD tid;
SndBuffer *buff;
FILE *voicelog;
char ErrText[256];
static DWORD CALLBACK RThread(WaveOutModule*obj)
{
return obj->Thread();
}
DWORD CALLBACK Thread()
{
while( waveout_running )
{
bool didsomething = false;
for(u32 i=0;i<numBuffers;i++)
{
if(!(whbuffer[i].dwFlags & WHDR_DONE) ) continue;
WAVEHDR *buf=whbuffer+i;
buf->dwBytesRecorded = buf->dwBufferLength;
s16 *t = (s16*)buf->lpData;
for(int p=0; p<PacketsPerBuffer; p++, t+=SndOutPacketSize )
buff->ReadSamples( t );
whbuffer[i].dwFlags&=~WHDR_DONE;
waveOutWrite(hwodevice,buf,sizeof(WAVEHDR));
didsomething = true;
}
if( didsomething )
Sleep(1);
else
Sleep(0);
}
return 0;
}
public:
s32 Init(SndBuffer *sb)
{
buff = sb;
numBuffers = Config_WaveOut.NumBuffers;
MMRESULT woores;
if (Test()) return -1;
wformat.wFormatTag=WAVE_FORMAT_PCM;
wformat.nSamplesPerSec=SampleRate;
wformat.wBitsPerSample=16;
wformat.nChannels=2;
wformat.nBlockAlign=((wformat.wBitsPerSample * wformat.nChannels) / 8);
wformat.nAvgBytesPerSec=(wformat.nSamplesPerSec * wformat.nBlockAlign);
wformat.cbSize=0;
qbuffer=new s16[BufferSize*numBuffers];
woores = waveOutOpen(&hwodevice,WAVE_MAPPER,&wformat,0,0,0);
if (woores != MMSYSERR_NOERROR)
{
waveOutGetErrorText(woores,(char *)&ErrText,255);
SysMessage("WaveOut Error: %s",ErrText);
return -1;
}
for(u32 i=0;i<numBuffers;i++)
{
whbuffer[i].dwBufferLength=BufferSizeBytes;
whbuffer[i].dwBytesRecorded=BufferSizeBytes;
whbuffer[i].dwFlags=0;
whbuffer[i].dwLoops=0;
whbuffer[i].dwUser=0;
whbuffer[i].lpData=(LPSTR)QBUFFER(i);
whbuffer[i].lpNext=0;
whbuffer[i].reserved=0;
waveOutPrepareHeader(hwodevice,whbuffer+i,sizeof(WAVEHDR));
whbuffer[i].dwFlags|=WHDR_DONE; //avoid deadlock
}
// Start Thread
// [Air]: The waveout code does not use wait objects, so setting a time critical
// priority level is a bad idea. Standard priority will do fine. The buffer will get the
// love it needs and won't suck resources idling pointlessly. Just don't try to
// run it in uber-low-latency mode.
waveout_running=true;
thread=CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)RThread,this,0,&tid);
//SetThreadPriority( thread, THREAD_PRIORITY_TIME_CRITICAL );
return 0;
}
void Close()
{
// Stop Thread
fprintf(stderr," * SPU2: Waiting for waveOut thread to finish...");
waveout_running=false;
WaitForSingleObject(thread,INFINITE);
CloseHandle(thread);
fprintf(stderr," Done.\n");
//
// Clean up
//
waveOutReset(hwodevice);
for(u32 i=0;i<numBuffers;i++)
{
waveOutUnprepareHeader(hwodevice,&whbuffer[i],sizeof(WAVEHDR));
}
waveOutClose(hwodevice);
SAFE_DELETE_ARRAY( qbuffer );
}
private:
static BOOL CALLBACK ConfigProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
int wmId,wmEvent;
int tSel=0;
switch(uMsg)
{
case WM_INITDIALOG:
char temp[128];
INIT_SLIDER( IDC_BUFFERS_SLIDER, 3, MAX_BUFFER_COUNT, 2, 1, 1 );
SendMessage(GetDlgItem(hWnd,IDC_BUFFERS_SLIDER),TBM_SETPOS,TRUE,Config_WaveOut.NumBuffers);
sprintf_s(temp, 128, "%d (%d ms latency)",Config_WaveOut.NumBuffers, 1000 / (96000 / (Config_WaveOut.NumBuffers * BufferSize)));
SetWindowText(GetDlgItem(hWnd,IDC_LATENCY_LABEL),temp);
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDOK:
{
Config_WaveOut.NumBuffers = (int)SendMessage( GetDlgItem( hWnd, IDC_BUFFERS_SLIDER ), TBM_GETPOS, 0, 0 );
if( Config_WaveOut.NumBuffers < 3 ) Config_WaveOut.NumBuffers = 3;
if( Config_WaveOut.NumBuffers > MAX_BUFFER_COUNT ) Config_WaveOut.NumBuffers = MAX_BUFFER_COUNT;
}
EndDialog(hWnd,0);
break;
case IDCANCEL:
EndDialog(hWnd,0);
break;
default:
return FALSE;
}
break;
case WM_HSCROLL:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
switch(wmId) {
//case TB_ENDTRACK:
//case TB_THUMBPOSITION:
case TB_LINEUP:
case TB_LINEDOWN:
case TB_PAGEUP:
case TB_PAGEDOWN:
wmEvent=(int)SendMessage((HWND)lParam,TBM_GETPOS,0,0);
case TB_THUMBTRACK:
if( wmEvent < 3 ) wmEvent = 3;
if( wmEvent > MAX_BUFFER_COUNT ) wmEvent = MAX_BUFFER_COUNT;
SendMessage((HWND)lParam,TBM_SETPOS,TRUE,wmEvent);
sprintf_s(temp,128,"%d (%d ms latency)",wmEvent, 1000 / (96000 / (wmEvent * BufferSize)));
SetWindowText(GetDlgItem(hWnd,IDC_LATENCY_LABEL),temp);
break;
default:
return FALSE;
}
break;
default:
return FALSE;
}
return TRUE;
}
public:
virtual void Configure(HWND parent)
{
INT_PTR ret;
ret=DialogBoxParam(hInstance,MAKEINTRESOURCE(IDD_WAVEOUT),GetActiveWindow(),(DLGPROC)ConfigProc,1);
if(ret==-1)
{
MessageBoxEx(GetActiveWindow(),"Error Opening the config dialog.","OMG ERROR!",MB_OK,0);
return;
}
}
virtual bool Is51Out() const { return false; }
s32 Test() const
{
if (waveOutGetNumDevs() == 0) {
SysMessage("No waveOut Devices Present\n"); return -1;
}
return 0;
}
int GetEmptySampleCount() const
{
int result = 0;
for(int i=0;i<MAX_BUFFER_COUNT;i++)
{
result += (whbuffer[i].dwFlags & WHDR_DONE) ? BufferSize : 0;
}
return result;
}
const char* GetIdent() const
{
return "waveout";
}
const char* GetLongName() const
{
return "waveOut (Laggy)";
}
} WO;
SndOutModule *WaveOut=&WO;