Play video files in SDL?

class SDL_Movie{private:	// Surface for the main screen	SDL_Surface *screen;	// Surface for the movie	SDL_Surface *movieSurface;	// Holds the movie information	SMPEG_Info movieInfo;	// Load the movie	SMPEG *movie;	// The max we can scale by	int MaxScaleX;	int MaxScaleY;	int MaxScale;	// Locations on screen to draw at	int X, Y;	void DrawIMG(SDL_Surface *img, SDL_Surface *dst, int x, int y)	{		SDL_Rect dest;		dest.x = x;		dest.y = y;		SDL_BlitSurface(img, NULL, dst, &dest);	}public:	SDL_Movie()	{		MaxScaleX = MaxScaleY = MaxScale = 1;				screen = 0;		movieSurface = 0;		movie = 0;		X = Y = 0;	}	// Free our movie	~SDL_Movie()	{		Stop();		SMPEG_delete( movie );		movie = 0;		SDL_FreeSurface( movieSurface );		movieSurface = 0;	}	void ClearScreen()	{		SDL_FillRect( movieSurface, 0, 0 );	}	// Set's the volume on a scale of 0 - 100	void SetVolume( int vol )	{		SMPEG_setvolume( movie, vol );	}	// Scale the movie by the desired factors	void Scale( int w, int h )	{		// Prevent a divide by 0		if( w == 0 )			w = 1;		if( h == 0 )			h = 1;		SMPEG_scaleXY( movie, w, h );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Scale the movie by the desired factor	void ScaleBy( int factor )	{		// Prevent a divide by 0		if( factor == 0 )			factor = 1;		// Make sure we don't scale larger than the surface size		if( factor > MaxScale )			factor = MaxScale;		SMPEG_scale( movie, factor );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Sets the region of the video to be shown	void SetDisplayRegion( int x, int y, int w, int h )	{		SMPEG_setdisplayregion( movie, x, y, w, h );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Set the position that the movie should be drawn at on the screen	void SetPosition( int x, int y )	{		X = x;		Y = y;	}	// Check for any errors	void CheckErrors()	{		char* error = SMPEG_error( movie );		if( error )			printf( "Error: %s\n", error );	}	// Load the movie	void Load( const char* fileName, SDL_Surface* s, int maxscalex = 1, int maxscaley = 1 )	{		MaxScaleX = maxscalex;		MaxScaleY = maxscaley;				// Limit how much we can scale by		MaxScale = (maxscalex > maxscaley ? maxscaley : maxscalex);		// Assign the screen surface		screen = s;		// Load the movie and store the information about it		movie = SMPEG_new( fileName, &movieInfo, true );		#ifdef _DEBUG			CheckErrors();		#endif		// Create a temporary surface to render the movie to		SDL_Surface *tempSurface2 = SDL_CreateRGBSurface( SDL_SWSURFACE, movieInfo.width * MaxScaleX, movieInfo.height * MaxScaleY, 32, screen->format->Rmask, screen->format->Gmask, screen->format->Bmask, screen->format->Amask );		// Now make a surface optimized for the main screen		movieSurface = SDL_DisplayFormat( tempSurface2 );		// Free the temporary surface		SDL_FreeSurface( tempSurface2 );		// Set the surface to draw to		SMPEG_setdisplay( movie, movieSurface, 0, 0 );		#ifdef _DEBUG			CheckErrors();		#endif		// Set the display region		SMPEG_setdisplayregion( movie, 0, 0, movieInfo.width, movieInfo.height );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Set the looping of hte movie	void SetLoop( int val )	{		SMPEG_loop( movie, val );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Play the movie	void Play()	{		SMPEG_play( movie );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Pause the movie	void Pause()	{		SMPEG_pause( movie );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Stops the movie, but keeps current position	void Stop()	{		SMPEG_stop( movie );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Rewind the movie back to 0:00:00	void Rewind()	{		SMPEG_rewind( movie );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Seek a number of bytes into the movie	void Seek( int bytes )	{		SMPEG_seek( movie, bytes );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Skip a number of seconds	void Skip( float seconds )	{		SMPEG_skip( movie, seconds );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Render some frame of the movie	void RenderFrame( int frame )	{		SMPEG_renderFrame( movie, frame );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Render the final frame of the movie	void RenderFinal()	{		SMPEG_renderFinal( movie, movieSurface, 0, 0 );		#ifdef _DEBUG			CheckErrors();		#endif	}	// Draw the movie surface to the main screen at x, y	void DisplayAt( int x, int y )	{		DrawIMG( movieSurface, screen, x, y );	}	// Draw the movie surface to the main screen at x, y	void Display()	{		DrawIMG( movieSurface, screen, X, Y );	}	// Return the current info for the movie	SMPEG_Info GetInfo()	{		SMPEG_getinfo( movie, &movieInfo );		return movieInfo;	}	// Get the current status of the movie, can be SMPEG_ERROR = -1, SMPEG_STOPPED, SMPEG_PLAYING	SMPEGstatus GetStatus()	{		return SMPEG_status(movie);	}};

// Header file for SDL#include "SDL.h"// This is the header file for the library#include "smpeg.h"// Link in the needed libraries#pragma comment( lib, "sdlmain.lib")#pragma comment( lib, "sdl.lib")#pragma comment( lib, "smpeg.lib")#include "SDL_Movie.h"int main( int argc, char *argv[] ){	if ( SDL_Init(SDL_INIT_AUDIO|SDL_INIT_VIDEO) < 0 )	{		printf("Unable to init SDL: %s\n", SDL_GetError());		return -1;	}	atexit(SDL_Quit);	SDL_Surface* screen = SDL_SetVideoMode( 640, 480, 32, SDL_HWSURFACE );	if ( screen == NULL )	{		printf("Unable to set 640x480 video: %s\n", SDL_GetError());		return -1;	}	// The movie variable	SDL_Movie mov1;		// Load the specified file and draw it to the 'screen' surface	// In this case, we are allowed to scale the X and Y dimensions by 2 maximually	mov1.Load( "demo.mpg", screen, 2, 2 );	// Set the display at	//mov1.SetPosition( 100, 100 );	// Scale the movie by 2	mov1.ScaleBy( 2 );	// Event variable	SDL_Event event;	// Loop flag	int done = 0;	// Key structure	Uint8* keys;	while(done == 0)	{		// Simple event loop		while ( SDL_PollEvent(&event) )		{			if ( event.type == SDL_QUIT )  {  done = 1;  }			if ( event.type == SDL_KEYDOWN )			{				if ( event.key.keysym.sym == SDLK_ESCAPE ) { done = 1; }			}		}		// Update key states		keys = SDL_GetKeyState( 0 );		// Play		if( keys[SDLK_p] )		{			mov1.Play();			keys[SDLK_p] = 0;		}		// Pause		if( keys[SDLK_a] )		{			mov1.Pause();			keys[SDLK_a] = 0;		}		// Stop		if( keys[SDLK_s] )		{			mov1.Stop();			// If we stop, we want to start from the beginning again			mov1.Rewind();			// Clear the movie surface so it's no longer showing the last frame			mov1.ClearScreen();			keys[SDLK_s] = 0;		}		// Rewind		if( keys[SDLK_r] )		{			mov1.Rewind();			keys[SDLK_r] = 0;		}		// NOTE: DOES NOT WORK		if( keys[SDLK_LEFT] )		{			// Still trying to figure this one out, how to go backwards			mov1.Skip( -.5 );			keys[SDLK_LEFT] = 0;		}		// Skip forward .5 seconds in the movie		if( keys[SDLK_RIGHT] )		{			mov1.Skip( .5 );			keys[SDLK_RIGHT] = 0;		}		// Clear the main screen (might not want to have in a game)		SDL_FillRect( screen, 0, 0 );		// Display the movie at the internal location (setposition)		if( mov1.GetStatus() == SMPEG_PLAYING )			mov1.Display();		// Display the movie at a specified location		//mov1.DisplayAt( 0, 0 );		// Flip the main screen		SDL_Flip( screen );	}	return 0;}