114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
|
#include <windows.h>
|
||
|
|
#include "Audio.h"
|
||
|
|
#include "main.h"
|
||
|
|
#pragma intrinsic(memcpy, memset)
|
||
|
|
static int start_clock,paused;
|
||
|
|
static HWAVEIN hWaveIn;
|
||
|
|
static unsigned short data_latest[576*2];
|
||
|
|
static unsigned short data_buffers[2][576*2];
|
||
|
|
static WAVEHDR wave_hdrs[2];
|
||
|
|
static HANDLE hThread;
|
||
|
|
static int done;
|
||
|
|
static int Thread(int *a);
|
||
|
|
static int a_v=128, a_p=0;
|
||
|
|
int initted;
|
||
|
|
|
||
|
|
int audioInit(int sample)
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
WAVEFORMATEX wft;
|
||
|
|
int threadid;
|
||
|
|
start_clock=GetTickCount();
|
||
|
|
paused=0;
|
||
|
|
if (!sample) return initted=0;
|
||
|
|
wft.wFormatTag = WAVE_FORMAT_PCM;
|
||
|
|
wft.nChannels = 2;
|
||
|
|
wft.nSamplesPerSec = 44100;
|
||
|
|
wft.nBlockAlign = 2*2;
|
||
|
|
wft.nAvgBytesPerSec = wft.nSamplesPerSec*wft.nBlockAlign;
|
||
|
|
wft.wBitsPerSample = 16;
|
||
|
|
wft.cbSize = 0;
|
||
|
|
if (waveInOpen(&hWaveIn,WAVE_MAPPER,&wft,0,0,0) != MMSYSERR_NOERROR)
|
||
|
|
{
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
for (x = 0; x < 2; x ++)
|
||
|
|
{
|
||
|
|
memset(&wave_hdrs[x],0,sizeof(wave_hdrs[x]));
|
||
|
|
wave_hdrs[x].lpData = (char *) data_buffers[x];
|
||
|
|
wave_hdrs[x].dwBufferLength = 576*2*sizeof(short);
|
||
|
|
waveInPrepareHeader(hWaveIn,&wave_hdrs[x],sizeof(wave_hdrs[0]));
|
||
|
|
waveInAddBuffer(hWaveIn,&wave_hdrs[x],sizeof(wave_hdrs[0]));
|
||
|
|
}
|
||
|
|
initted=1;
|
||
|
|
done=0;
|
||
|
|
waveInStart(hWaveIn);
|
||
|
|
hThread = CreateThread(NULL,0,(unsigned long (__stdcall *)(void*)) Thread,&done,0,(unsigned long *)&threadid);
|
||
|
|
//SetThreadPriority(hThread,THREAD_PRIORITY_HIGHEST);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void audioPause(int s)
|
||
|
|
{
|
||
|
|
if (s)
|
||
|
|
{
|
||
|
|
if (!paused)
|
||
|
|
{
|
||
|
|
paused=1;
|
||
|
|
if (initted) waveInStop(hWaveIn);
|
||
|
|
start_clock = GetTickCount()-start_clock;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (paused)
|
||
|
|
{
|
||
|
|
if (initted) waveInStart(hWaveIn);
|
||
|
|
start_clock=GetTickCount()-start_clock;
|
||
|
|
paused=0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void audioQuit()
|
||
|
|
{
|
||
|
|
if (!initted) return;
|
||
|
|
done=1;
|
||
|
|
WaitForSingleObject(hThread,INFINITE);
|
||
|
|
waveInStop(hWaveIn);
|
||
|
|
waveInReset(hWaveIn);
|
||
|
|
while (waveInClose(hWaveIn) == WAVERR_STILLPLAYING) Sleep(10);
|
||
|
|
CloseHandle(hThread);
|
||
|
|
}
|
||
|
|
|
||
|
|
int audioGetPos()
|
||
|
|
{
|
||
|
|
if (paused) return start_clock;
|
||
|
|
return GetTickCount()-start_clock;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void audioSetPos(int ms)
|
||
|
|
{
|
||
|
|
start_clock = GetTickCount()-ms;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int Thread(int *a)
|
||
|
|
{
|
||
|
|
int w;
|
||
|
|
while (!*a)
|
||
|
|
{
|
||
|
|
Sleep(10);
|
||
|
|
if (wave_hdrs[0].dwFlags & WHDR_DONE) w=0;
|
||
|
|
else if (wave_hdrs[1].dwFlags & WHDR_DONE) w=1;
|
||
|
|
else continue;
|
||
|
|
memcpy(data_latest,wave_hdrs[w].lpData,576*2*sizeof(short));
|
||
|
|
wave_hdrs[w].dwFlags=WHDR_PREPARED;
|
||
|
|
waveInAddBuffer(hWaveIn,&wave_hdrs[w],sizeof(wave_hdrs[0]));
|
||
|
|
// memset(data_latest,0,576*2*sizeof(short));
|
||
|
|
line.VSAAddPCMData(data_latest,2,16,0);
|
||
|
|
line.SAAddPCMData(data_latest,2,16,0);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|