Use mplayer as our Audio Decoder – Part 2

#include "wnd.h"
#include "spectrum_analyzer.h"

HWND hMainWindow;

ATOM MyRegisterClass(HINSTANCE hInstance)
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX);

	wcex.style			= CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc	= WndProc;
	wcex.cbClsExtra		= 0;
	wcex.cbWndExtra		= 0;
	wcex.hInstance		= hInstance;
	wcex.hIcon			= NULL;
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= NULL;
	wcex.lpszClassName	= _T("SpectrumAnalyzer");
	wcex.hIconSm		= LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

	return RegisterClassEx(&wcex);
}

BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
	HWND hWnd;

	DWORD dwStyle = WS_POPUPWINDOW & (~WS_SYSMENU) | WS_CAPTION;
	hWnd = CreateWindow(_T("SpectrumAnalyzer"), _T("Spectrum Analyzer for MPlayer - by jacky_zz"), dwStyle,
		0, 0, 402, 120, NULL, NULL, hInstance, NULL);

	if (!hWnd)
	{
		return FALSE;
	}

	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);
	spectrum_analyzer_init(hWnd);
	hMainWindow = hWnd;

	return TRUE;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	PAINTSTRUCT ps;
	HDC hdc;

	switch (message)
	{
	case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		EndPaint(hWnd, &ps);
		break;
	case WM_DESTROY:
		spectrum_analyzer_uninit();
		PostQuitMessage(0);
		break;


	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}