/*******************************************************************
 Registry Module
 *******************************************************************/
#include <windows.h>
#include <winreg.h>

#include "idct_int32.h"
#include "idct_mmx32.h"
#include "idct_double.h"
#include "idct_sse32.h"

#define REGISTRY_C
#include "registry.h"

int get_color_conversion_type();
int get_simd_mode();
int get_field_mode();
int get_resize_mode();
void select_idct_function(DECODE_PICTURE_PARAMETER *p);

int get_color_conversion_type()
{
	HKEY key;
	DWORD type;
	DWORD size;
	DWORD value;

	if(RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\marumo\\mpeg2vid_vfp", 0, KEY_READ, &key) != ERROR_SUCCESS){
		return 1;
	}

	type = REG_DWORD;
	size = sizeof(DWORD);
	
	if(RegQueryValueEx(key, "re_map", NULL, &type, (LPBYTE)&value, &size) != ERROR_SUCCESS){
		RegCloseKey(key);
		return 1;
	}

	RegCloseKey(key);

	if(value){
		return 1;
	}

	return 0;
}

void select_idct_function(DECODE_PICTURE_PARAMETER *p)
{
	HKEY key;
	DWORD type;
	DWORD size;
	DWORD value;
	DWORD simd;

	if(RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\marumo\\mpeg2vid_vfp", 0, KEY_READ, &key) != ERROR_SUCCESS){
		p->idct_func = idct_int32;
		return;
	}

	type = REG_DWORD;
	size = sizeof(DWORD);
	
	if(RegQueryValueEx(key, "idct_func", NULL, &type, (LPBYTE)&value, &size) != ERROR_SUCCESS){
		RegCloseKey(key);
		p->idct_func = idct_int32;
		return;
	}

	if(RegQueryValueEx(key, "simd", NULL, &type, (LPBYTE)&simd, &size) != ERROR_SUCCESS){
		simd = 0;
	}
	
	RegCloseKey(key);

	switch(value){
	case 0:
		if(simd & 2){
			p->idct_func = idct_sse32;
		}else{
			p->idct_func = idct_double;
		}
		return; 
	case 1:
		if(simd & 1){
			p->idct_func = idct_mmx32;
		}else{
			p->idct_func = idct_int32;
		}
		return;
	default:
		p->idct_func = idct_int32;
	}
	
	return;
}

int get_simd_mode()
{
	HKEY key;
	DWORD type;
	DWORD size;
	DWORD value;

	if(RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\marumo\\mpeg2vid_vfp", 0, KEY_READ, &key) != ERROR_SUCCESS){
		return 0;
	}

	type = REG_DWORD;
	size = sizeof(DWORD);
	
	if(RegQueryValueEx(key, "simd", NULL, &type, (LPBYTE)&value, &size) != ERROR_SUCCESS){
		RegCloseKey(key);
		return 0;
	}

	RegCloseKey(key);

	if(value & 1){
		return 1;
	}

	return 0;
}

int get_field_mode()
{
	HKEY key;
	DWORD type;
	DWORD size;
	DWORD value;

	if(RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\marumo\\mpeg2vid_vfp", 0, KEY_READ, &key) != ERROR_SUCCESS){
		return 0;
	}

	type = REG_DWORD;
	size = sizeof(DWORD);
	
	if(RegQueryValueEx(key, "field_order", NULL, &type, (LPBYTE)&value, &size) != ERROR_SUCCESS){
		RegCloseKey(key);
		return 0;
	}

	RegCloseKey(key);

	return value;
}

int get_resize_mode()
{
	HKEY key;
	DWORD type;
	DWORD size;
	DWORD value;

	if(RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\marumo\\mpeg2vid_vfp", 0, KEY_READ, &key) != ERROR_SUCCESS){
		return 0;
	}

	type = REG_DWORD;
	size = sizeof(DWORD);
	
	if(RegQueryValueEx(key, "aspect_ratio", NULL, &type, (LPBYTE)&value, &size) != ERROR_SUCCESS){
		RegCloseKey(key);
		return 0;
	}

	RegCloseKey(key);

	return value;
}