test/testoverlay.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 23 Feb 2004 08:03:14 +0000
changeset 850 c203b4a42701
parent 605 6399f4e90211
child 1151 be9c9c8f6d53
permissions -rw-r--r--
Added an endian detection and byte swapping test program
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/* Bring up a window and play with it */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#define BENCHMARK_SDL
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#define NOTICE(X)	printf("%s", X);
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#define WINDOW_WIDTH  640
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#define WINDOW_HEIGHT 480
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#include "SDL.h"
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SDL_Surface *screen, *pic;
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SDL_Overlay *overlay;
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int scale;
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int monochrome;
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int luminance;
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int w, h;
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/* NOTE: These RGB conversion functions are not intended for speed,
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         only as examples.
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*/
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void RGBtoYUV(Uint8 *rgb, int *yuv, int monochrome, int luminance)
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{
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    int i;
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    if (monochrome)
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    {
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#if 1 /* these are the two formulas that I found on the FourCC site... */
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        yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2];
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        yuv[1] = 128;
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        yuv[2] = 128;
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#else
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        yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
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        yuv[1] = 128;
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        yuv[2] = 128;
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#endif
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    }
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    else
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    {
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#if 1 /* these are the two formulas that I found on the FourCC site... */
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        yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2];
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        yuv[1] = (rgb[2]-yuv[0])*0.565 + 128;
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        yuv[2] = (rgb[0]-yuv[0])*0.713 + 128;
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#else
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        yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
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        yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]);
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        yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]);
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#endif
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    }
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    if (luminance!=100)
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    {
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        yuv[0]=yuv[0]*luminance/100;
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        if (yuv[0]>255)
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            yuv[0]=255;
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    }
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    /* clamp values...if you need to, we don't seem to have a need */
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    /*
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    for(i=0;i<3;i++)
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    {
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        if(yuv[i]<0)
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            yuv[i]=0;
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        if(yuv[i]>255)
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            yuv[i]=255;
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    }
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    */
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}
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ConvertRGBtoYV12(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
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{
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	int x,y;
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	int yuv[3];
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	Uint8 *p,*op[3];
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	SDL_LockSurface(s);
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	SDL_LockYUVOverlay(o);
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	/* Black initialization */
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	/*
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	memset(o->pixels[0],0,o->pitches[0]*o->h);
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	memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2));
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	memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2));
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	*/
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	/* Convert */
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	for(y=0; y<s->h && y<o->h; y++)
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	{
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		p=((Uint8 *) s->pixels)+s->pitch*y;
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		op[0]=o->pixels[0]+o->pitches[0]*y;
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		op[1]=o->pixels[1]+o->pitches[1]*(y/2);
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		op[2]=o->pixels[2]+o->pitches[2]*(y/2);
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		for(x=0; x<s->w && x<o->w; x++)
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		{
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			RGBtoYUV(p, yuv, monochrome, luminance);
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			*(op[0]++)=yuv[0];
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			if(x%2==0 && y%2==0)
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			{
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				*(op[1]++)=yuv[2];
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				*(op[2]++)=yuv[1];
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			}
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			p+=s->format->BytesPerPixel;
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		}
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	}
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	SDL_UnlockYUVOverlay(o);
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	SDL_UnlockSurface(s);
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}
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ConvertRGBtoIYUV(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
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{
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	int x,y;
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	int yuv[3];
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	Uint8 *p,*op[3];
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	SDL_LockSurface(s);
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	SDL_LockYUVOverlay(o);
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	/* Black initialization */
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	/*
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	memset(o->pixels[0],0,o->pitches[0]*o->h);
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	memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2));
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	memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2));
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	*/
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	/* Convert */
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	for(y=0; y<s->h && y<o->h; y++)
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	{
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		p=((Uint8 *) s->pixels)+s->pitch*y;
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		op[0]=o->pixels[0]+o->pitches[0]*y;
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		op[1]=o->pixels[1]+o->pitches[1]*(y/2);
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		op[2]=o->pixels[2]+o->pitches[2]*(y/2);
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		for(x=0; x<s->w && x<o->w; x++)
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		{
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			RGBtoYUV(p,yuv, monochrome, luminance);
277
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			*(op[0]++)=yuv[0];
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			if(x%2==0 && y%2==0)
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			{
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				*(op[1]++)=yuv[1];
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				*(op[2]++)=yuv[2];
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			}
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			p+=s->format->BytesPerPixel;
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		}
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	}
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	SDL_UnlockYUVOverlay(o);
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	SDL_UnlockSurface(s);
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}
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ConvertRGBtoUYVY(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
277
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{
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	int x,y;
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	int yuv[3];
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	Uint8 *p,*op;
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	SDL_LockSurface(s);
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	SDL_LockYUVOverlay(o);
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	for(y=0; y<s->h && y<o->h; y++)
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	{
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		p=((Uint8 *) s->pixels)+s->pitch*y;
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		op=o->pixels[0]+o->pitches[0]*y;
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		for(x=0; x<s->w && x<o->w; x++)
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		{
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			RGBtoYUV(p, yuv, monochrome, luminance);
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			if(x%2==0)
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			{
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				*(op++)=yuv[1];
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				*(op++)=yuv[0];
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				*(op++)=yuv[2];
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			}
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			else
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				*(op++)=yuv[0];
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			p+=s->format->BytesPerPixel;
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		}
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	}
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	SDL_UnlockYUVOverlay(o);
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	SDL_UnlockSurface(s);
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}
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ConvertRGBtoYVYU(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
277
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{
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	int x,y;
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	int yuv[3];
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	Uint8 *p,*op;
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	SDL_LockSurface(s);
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	SDL_LockYUVOverlay(o);
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	for(y=0; y<s->h && y<o->h; y++)
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	{
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		p=((Uint8 *) s->pixels)+s->pitch*y;
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		op=o->pixels[0]+o->pitches[0]*y;
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		for(x=0; x<s->w && x<o->w; x++)
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		{
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			RGBtoYUV(p,yuv, monochrome, luminance);
277
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			if(x%2==0)
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			{
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				*(op++)=yuv[0];
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				*(op++)=yuv[2];
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				op[1]=yuv[1];
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			}
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			else
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			{
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				*op=yuv[0];
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				op+=2;
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			}
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			p+=s->format->BytesPerPixel;
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		}
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	}
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	SDL_UnlockYUVOverlay(o);
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	SDL_UnlockSurface(s);
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}
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ConvertRGBtoYUY2(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
277
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{
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	int x,y;
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	int yuv[3];
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	Uint8 *p,*op;
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	SDL_LockSurface(s);
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	SDL_LockYUVOverlay(o);
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	for(y=0; y<s->h && y<o->h; y++)
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	{
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		p=((Uint8 *) s->pixels)+s->pitch*y;
277
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		op=o->pixels[0]+o->pitches[0]*y;
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		for(x=0; x<s->w && x<o->w; x++)
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		{
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			RGBtoYUV(p,yuv, monochrome, luminance);
277
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			if(x%2==0)
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			{
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				*(op++)=yuv[0];
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				*(op++)=yuv[1];
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				op[1]=yuv[2];
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			}
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			else
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			{
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				*op=yuv[0];
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				op+=2;
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   251
			}
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			p+=s->format->BytesPerPixel;
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		}
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	}
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	SDL_UnlockYUVOverlay(o);
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	SDL_UnlockSurface(s);
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   259
}
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void Draw()
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{
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	SDL_Rect rect;
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	int i;
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        int disp;
277
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	if(!scale)
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	{
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		rect.w=overlay->w;
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parents:
diff changeset
   270
		rect.h=overlay->h;
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diff changeset
   271
		for(i=0; i<h-rect.h && i<w-rect.w; i++)
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   272
		{
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   273
			rect.x=i;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   274
			rect.y=i;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   275
			SDL_DisplayYUVOverlay(overlay,&rect);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
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parents:
diff changeset
   276
		}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
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parents:
diff changeset
   277
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   278
	else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   279
	{
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diff changeset
   280
		rect.w=overlay->w/2;
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parents: 277
diff changeset
   281
		rect.h=overlay->h/2;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   282
		rect.x=(w-rect.w)/2;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   283
		rect.y=(h-rect.h)/2;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   284
                disp=rect.y-1;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   285
		for(i=0; i<disp; i++)
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   286
		{
569
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parents: 277
diff changeset
   287
                        rect.w+=2;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   288
                        rect.h+=2;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   289
                        rect.x--;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   290
                        rect.y--;
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
			SDL_DisplayYUVOverlay(overlay,&rect);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   292
		}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   293
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   294
	printf("Displayed %d times.\n",i);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   295
}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   296
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diff changeset
   297
static void PrintUsage(char *argv0)
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   298
{
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   299
	fprintf(stderr, "Usage: %s [arg] [arg] [arg] ...\n", argv0);
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   300
	fprintf(stderr, "Where 'arg' is one of:\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   301
	fprintf(stderr, "	-delay <seconds>\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   302
	fprintf(stderr, "	-width <pixels>\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   303
	fprintf(stderr, "	-height <pixels>\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   304
	fprintf(stderr, "	-bpp <bits>\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   305
	fprintf(stderr, "	-format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   306
	fprintf(stderr, "	-hw\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   307
	fprintf(stderr, "	-flip\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   308
	fprintf(stderr, "	-scale (test scaling features, from 50%% upto window size)\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   309
	fprintf(stderr, "	-mono (use monochromatic RGB2YUV conversion)\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   310
	fprintf(stderr, "	-lum <perc> (use luminance correction during RGB2YUV conversion,\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   311
	fprintf(stderr, "	             from 0%% to unlimited, normal is 100%%)\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   312
	fprintf(stderr, "	-help (shows this help)\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   313
	fprintf(stderr, "	-fullscreen (test overlay in fullscreen mode)\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   314
}
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   315
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   316
int main(int argc, char **argv)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
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parents:
diff changeset
   317
{
603
2e726be3dc08 From: Jonathan Atkins
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parents: 569
diff changeset
   318
	char *argv0 = argv[0];
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   319
	int flip;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   320
	int delay;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   321
	int desired_bpp;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   322
	Uint32 video_flags, overlay_format;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   323
	char *bmpfile;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   324
#ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
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parents:
diff changeset
   325
	Uint32 then, now;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   326
#endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   327
	int i;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   328
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   329
	/* Set default options and check command-line */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   330
	flip = 0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   331
	scale=0;
569
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parents: 277
diff changeset
   332
        monochrome=0;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   333
        luminance=100;
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
	delay = 1;
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
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parents: 277
diff changeset
   335
	w = WINDOW_WIDTH;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   336
	h = WINDOW_HEIGHT;
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   337
	desired_bpp = 0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   338
	video_flags = 0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   339
	overlay_format = SDL_YV12_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   340
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   341
	while ( argc > 1 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   342
		if ( strcmp(argv[1], "-delay") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   343
			if ( argv[2] ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   344
				delay = atoi(argv[2]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   345
				argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
				argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   347
			} else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   348
				fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   349
				"The -delay option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   350
				exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   351
			}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   352
		} else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   353
		if ( strcmp(argv[1], "-width") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   354
			if ( argv[2] && ((w = atoi(argv[2])) > 0) ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   355
				argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   356
				argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   357
			} else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   358
				fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   359
				"The -width option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
				exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
			}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
		} else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
		if ( strcmp(argv[1], "-height") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
			if ( argv[2] && ((h = atoi(argv[2])) > 0) ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   365
				argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   366
				argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
			} else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
				fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   369
				"The -height option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   370
				exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   371
			}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   372
		} else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   373
		if ( strcmp(argv[1], "-bpp") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   374
			if ( argv[2] ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   375
				desired_bpp = atoi(argv[2]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
				argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
				argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
			} else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
				fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
				"The -bpp option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
				exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
			}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
		} else
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   384
		if ( strcmp(argv[1], "-lum") == 0 ) {
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   385
			if ( argv[2] ) {
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   386
				luminance = atoi(argv[2]);
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   387
				argv += 2;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   388
				argc -= 2;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   389
			} else {
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   390
				fprintf(stderr,
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   391
				"The -lum option requires an argument\n");
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   392
				exit(1);
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   393
			}
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   394
		} else
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
		if ( strcmp(argv[1], "-format") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
			if ( argv[2] ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
				if(!strcmp(argv[2],"YV12"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
					overlay_format = SDL_YV12_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
				else if(!strcmp(argv[2],"IYUV"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
					overlay_format = SDL_IYUV_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
				else if(!strcmp(argv[2],"YUY2"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
					overlay_format = SDL_YUY2_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
				else if(!strcmp(argv[2],"UYVY"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
					overlay_format = SDL_UYVY_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
				else if(!strcmp(argv[2],"YVYU"))
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
					overlay_format = SDL_YVYU_OVERLAY;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
				else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
				{
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
					fprintf(stderr, "The -format option %s is not recognized\n",argv[2]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
					exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
				}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
				argv += 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
				argc -= 2;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
			} else {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
				fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
				"The -format option requires an argument\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
				exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
			}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
		} else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
		if ( strcmp(argv[1], "-hw") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
			video_flags |= SDL_HWSURFACE;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
			argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
			argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
		} else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
		if ( strcmp(argv[1], "-flip") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
			video_flags |= SDL_DOUBLEBUF;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
			argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
			argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
		} else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
		if ( strcmp(argv[1], "-scale") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
			scale = 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
			argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
			argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
		} else
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   435
		if ( strcmp(argv[1], "-mono") == 0 ) {
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   436
			monochrome = 1;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   437
			argv += 1;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   438
			argc -= 1;
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   439
		} else
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   440
		if (( strcmp(argv[1], "-help") == 0 ) || (strcmp(argv[1], "-h") == 0)) {
603
2e726be3dc08 From: Jonathan Atkins
Sam Lantinga <slouken@libsdl.org>
parents: 569
diff changeset
   441
                        PrintUsage(argv0);
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   442
                        exit(1);
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   443
		} else
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
		if ( strcmp(argv[1], "-fullscreen") == 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
			video_flags |= SDL_FULLSCREEN;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
			argv += 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
			argc -= 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
		} else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
			break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
	if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
		fprintf(stderr,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
			"Couldn't initialize SDL: %s\n", SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
		exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
	atexit(SDL_Quit);			/* Clean up on exit */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
	/* Initialize the display */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
	screen = SDL_SetVideoMode(w, h, desired_bpp, video_flags);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
	if ( screen == NULL ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
		fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
					w, h, desired_bpp, SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
		exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
	printf("Set%s %dx%dx%d mode\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
			screen->flags & SDL_FULLSCREEN ? " fullscreen" : "",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
			screen->w, screen->h, screen->format->BitsPerPixel);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
	printf("(video surface located in %s memory)\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
			(screen->flags&SDL_HWSURFACE) ? "video" : "system");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
	if ( screen->flags & SDL_DOUBLEBUF ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
		printf("Double-buffering enabled\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
		flip = 1;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
	/* Set the window manager title bar */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
	SDL_WM_SetCaption("SDL test overlay", "testoverlay");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
	/* Load picture */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
	bmpfile=(argv[1]?argv[1]:"sample.bmp");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
	pic = SDL_LoadBMP(bmpfile);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
	if ( pic == NULL ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
		fprintf(stderr, "Couldn't load %s: %s\n", bmpfile,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
							SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
		exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
	/* Convert the picture to 32bits, for easy conversion */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
	{
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
		SDL_Surface *newsurf;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
		SDL_PixelFormat format;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
		format.palette=NULL;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
		format.BitsPerPixel=32;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
		format.BytesPerPixel=4;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
		format.Rshift=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
		format.Gshift=8;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
		format.Bshift=16;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
#else
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
		format.Rshift=24;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
		format.Gshift=16;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
		format.Bshift=8;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
#endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
		format.Ashift=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
		format.Rmask=0xff<<format.Rshift;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
		format.Gmask=0xff<<format.Gshift;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
		format.Bmask=0xff<<format.Bshift;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
		format.Amask=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
		format.Rloss=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
		format.Gloss=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
		format.Bloss=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
		format.Aloss=8;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
		format.colorkey=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
		format.alpha=0;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   516
		newsurf=SDL_ConvertSurface(pic, &format, SDL_SWSURFACE);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   517
		if(!newsurf)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
		{
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   519
			fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
							SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
			exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   522
		}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   523
		SDL_FreeSurface(pic);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   524
		pic=newsurf;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
	
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
	/* Create the overlay */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
	overlay = SDL_CreateYUVOverlay(pic->w, pic->h, overlay_format, screen);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
	if ( overlay == NULL ) {
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
		fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError());
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
		exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
	printf("Created %dx%dx%d %s %s overlay\n",overlay->w,overlay->h,overlay->planes,
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
			overlay->hw_overlay?"hardware":"software",
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
			overlay->format==SDL_YV12_OVERLAY?"YV12":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
			overlay->format==SDL_IYUV_OVERLAY?"IYUV":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
			overlay->format==SDL_YUY2_OVERLAY?"YUY2":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   538
			overlay->format==SDL_UYVY_OVERLAY?"UYVY":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
			overlay->format==SDL_YVYU_OVERLAY?"YVYU":
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
			"Unknown");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
	for(i=0; i<overlay->planes; i++)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
	{
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
		printf("  plane %d: pitch=%d\n", i, overlay->pitches[i]);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
	
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
	/* Convert to YUV, and draw to the overlay */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
#ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
	then = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
#endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
	switch(overlay->format)
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
	{
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
		case SDL_YV12_OVERLAY:
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   553
			ConvertRGBtoYV12(pic,overlay,monochrome,luminance);
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
			break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   555
		case SDL_UYVY_OVERLAY:
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   556
			ConvertRGBtoUYVY(pic,overlay,monochrome,luminance);
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
			break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   558
		case SDL_YVYU_OVERLAY:
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   559
			ConvertRGBtoYVYU(pic,overlay,monochrome,luminance);
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   560
			break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
		case SDL_YUY2_OVERLAY:
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   562
			ConvertRGBtoYUY2(pic,overlay,monochrome,luminance);
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
			break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
		case SDL_IYUV_OVERLAY:
569
e8063c656626 Date: Thu, 16 Jan 2003 13:48:31 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 277
diff changeset
   565
			ConvertRGBtoIYUV(pic,overlay,monochrome,luminance);
277
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
			break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
		default:
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
			printf("cannot convert RGB picture to obtained YUV format!\n");
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
			exit(1);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
			break;
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
	}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
#ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
	now = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
	printf("Conversion Time: %d milliseconds\n", now-then);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
#endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
	
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
	/* Do all the drawing work */
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
#ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
	then = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
#endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
	Draw();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
#ifdef BENCHMARK_SDL
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
	now = SDL_GetTicks();
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
	printf("Time: %d milliseconds\n", now-then);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
#endif
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
	SDL_Delay(delay*1000);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
	return(0);
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
}
255c7ee077cb Added a YUV overlay test program (thanks Jon!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589