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Jef 2024-09-24 14:54:57 +02:00
parent 537bcbc862
commit fc06254474
16440 changed files with 4239995 additions and 2 deletions
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112
Src/Plugins/Input/in_cdda/AUDIO.Cpp Normal file
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#include <windows.h>
#include "Audio.h"
#include "main.h"
#include "api__in_cdda.h"
static int start_clock,paused;
static HWAVEIN hWaveIn;
static short data_latest[576*2];
static short data_buffers[2][576*2];
static WAVEHDR wave_hdrs[2];
static HANDLE hThread;
static DWORD WINAPI Thread(LPVOID _a);
int a_v = -666, a_p = 0, initted = 0;
int audioInit(/*int sample*/)
{
WAVEFORMATEX wft = {0};
DWORD 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 (int 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,Thread,(LPVOID)&done,0,&threadid);
SetThreadPriority(hThread, (int)AGAVE_API_CONFIG->GetInt(playbackConfigGroupGUID, L"priority", 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 DWORD WINAPI Thread(LPVOID _a)
{
volatile int *a = (volatile int *)_a;
int w;
while (!*a)
{
Sleep(576000/44100);
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;
}