Initial community commit

Src/Plugins/Input/in_mod/mikamp/src/drv_buffer.cpp

@@ -0,0 +1,176 @@
+#include <windows.h>
+#include <malloc.h>
+#include "mikmod.h"
+#include "virtch.h"
+#include "main.h"
+#include <io.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "drv_buffer.h"
+
+#define BUFSIZE 28
+
+
+// =====================================================================================
+static BOOL Decode_IsThere(void)
+// =====================================================================================
+{
+	return 1;
+}
+
+
+// =====================================================================================
+static BOOL Decode_Init(MDRIVER *md, uint latency, void *optstr)
+// =====================================================================================
+{
+	DecodeInfo  *hwdata;
+
+	hwdata = (DecodeInfo *)MikMod_calloc(md->allochandle, 1, sizeof(DecodeInfo));
+
+	md->device.vc = VC_Init();
+	if(!md->device.vc)
+	{   
+		hwdata->error = 1;
+		return 1;
+	}
+
+	hwdata->mode     = DMODE_16BITS | DMODE_INTERP | DMODE_NOCLICK;
+	hwdata->mixspeed = 48000;
+	hwdata->channels = 2;
+
+	md->device.local = hwdata;
+
+	return 0;
+}
+
+
+// =====================================================================================
+static void Decode_Exit(MDRIVER *md)
+// =====================================================================================
+{
+	DecodeInfo  *hwdata = (DecodeInfo *)md->device.local;
+	VC_Exit(md->device.vc);
+}
+
+
+// =====================================================================================
+static void Decode_Update(MDRIVER *md)
+// =====================================================================================
+{
+	DecodeInfo  *hwdata = (DecodeInfo *)md->device.local;
+
+	hwdata->bytesWritten = VC_WriteBytes(md, (SBYTE *)hwdata->buffer, hwdata->buffersize);
+}
+
+
+// =====================================================================================
+static BOOL Decode_SetMode(MDRIVER *md, uint mixspeed, uint mode, uint channels, uint cpumode)
+// =====================================================================================
+{
+	DecodeInfo  *hwdata = (DecodeInfo *)md->device.local;
+
+	// Check capabilities...
+	// [...]
+
+	// Set the new mode of play
+
+	if (mixspeed) hwdata->mixspeed = mixspeed;
+
+	if(!(mode & DMODE_DEFAULT)) hwdata->mode = mode;
+
+	switch(channels)
+	{
+	case MD_MONO:
+	hwdata->channels = 1;
+	break;
+
+	default:
+		hwdata->channels = 2;
+		channels  = MD_STEREO;
+		break;
+	}
+
+	VC_SetMode(md->device.vc, hwdata->mixspeed, hwdata->mode, channels, cpumode);
+
+		int     bits = (hwdata->mode & DMODE_16BITS) ? 16: ((hwdata->mode & DMODE_24BITS) ? 24 : 8);
+
+		hwdata->bits = bits;
+		hwdata->frame_size = MulDiv(hwdata->channels, bits, 8);
+
+
+	return 0;
+}
+
+
+// =====================================================================================
+static BOOL Decode_SetSoftVoices(MDRIVER *md, uint voices)
+// =====================================================================================
+{
+	return VC_SetSoftVoices(md->device.vc, voices);
+}
+
+
+// =====================================================================================
+static void Decode_GetMode(MDRIVER *md, uint *mixspeed, uint *mode, uint *channels, uint *cpumode)
+// =====================================================================================
+{
+	VC_GetMode(md->device.vc, mixspeed, mode, channels, cpumode);
+}
+
+
+// =====================================================================================
+extern "C" MD_DEVICE drv_buffer =
+// =====================================================================================
+{
+	"ExtendedRead",
+		BLAH("Nullsoft Extended Read decode driver v0.1"),
+		0, VC_MAXVOICES, 
+
+		NULL,
+		NULL,
+		NULL,
+
+		// Sample Loading
+		VC_SampleAlloc,
+		VC_SampleGetPtr,
+		VC_SampleLoad,
+		VC_SampleUnload,
+		VC_SampleSpace,
+		VC_SampleLength,
+
+		// Detection and Initialization
+		Decode_IsThere,
+		Decode_Init,
+		Decode_Exit,
+		Decode_Update,
+		VC_Preempt,
+
+		NULL,
+		Decode_SetSoftVoices,
+
+		Decode_SetMode,
+		Decode_GetMode,
+
+		VC_SetVolume,
+		VC_GetVolume,
+
+		// Voice control and Voie information
+		VC_GetActiveVoices,
+
+		VC_VoiceSetVolume,
+		VC_VoiceGetVolume,
+		VC_VoiceSetFrequency,
+		VC_VoiceGetFrequency,
+		VC_VoiceSetPosition,
+		VC_VoiceGetPosition,
+		VC_VoiceSetSurround,
+		VC_VoiceSetResonance,
+
+		VC_VoicePlay,
+		VC_VoiceResume,
+		VC_VoiceStop,
+		VC_VoiceStopped,
+		VC_VoiceReleaseSustain,
+		VC_VoiceRealVolume,
+
+};