1 files changed, 113 insertions, 0 deletions
diff --git a/Src/Plugins/Input/in_linein/audio.cpp b/Src/Plugins/Input/in_linein/audio.cpp
new file mode 100644
index 00000000..4ab2472c
--- /dev/null
+++ b/Src/Plugins/Input/in_linein/audio.cpp
@@ -0,0 +1,113 @@
+#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;
+}