symbian-qemu-0.9.1-12/libsdl-trunk/test/testoverlay2.c
changeset 1 2fb8b9db1c86
equal deleted inserted replaced
0:ffa851df0825 1:2fb8b9db1c86
       
     1 /********************************************************************************
       
     2  *                                                                              *
       
     3  * Test of the overlay used for moved pictures, test more closed to real life.  *
       
     4  * Running trojan moose :) Coded by Mike Gorchak.                               *
       
     5  *                                                                              *
       
     6  ********************************************************************************/
       
     7 
       
     8 #include <stdlib.h>
       
     9 #include <stdio.h>
       
    10 #include <string.h>
       
    11 
       
    12 #include "SDL.h"
       
    13 
       
    14 #define MOOSEPIC_W 64
       
    15 #define MOOSEPIC_H 88
       
    16 
       
    17 #define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H)
       
    18 #define MOOSEFRAMES_COUNT 10
       
    19 
       
    20 SDL_Color MooseColors[84]={
       
    21     { 49,  49,  49}, { 66,  24,   0}, { 66,  33,   0}, { 66,  66,  66},
       
    22     { 66, 115,  49}, { 74,  33,   0}, { 74,  41,  16}, { 82,  33,   8},
       
    23     { 82,  41,   8}, { 82,  49,  16}, { 82,  82,  82}, { 90,  41,   8},
       
    24     { 90,  41,  16}, { 90,  57,  24}, { 99,  49,  16}, { 99,  66,  24},
       
    25     { 99,  66,  33}, { 99,  74,  33}, {107,  57,  24}, {107,  82,  41},
       
    26     {115,  57,  33}, {115,  66,  33}, {115,  66,  41}, {115,  74,   0},
       
    27     {115,  90,  49}, {115, 115, 115}, {123,  82,   0}, {123,  99,  57},
       
    28     {132,  66,  41}, {132,  74,  41}, {132,  90,   8}, {132,  99,  33},
       
    29     {132,  99,  66}, {132, 107,  66}, {140,  74,  49}, {140,  99,  16},
       
    30     {140, 107,  74}, {140, 115,  74}, {148, 107,  24}, {148, 115,  82},
       
    31     {148, 123,  74}, {148, 123,  90}, {156, 115,  33}, {156, 115,  90},
       
    32     {156, 123,  82}, {156, 132,  82}, {156, 132,  99}, {156, 156, 156},
       
    33     {165, 123,  49}, {165, 123,  90}, {165, 132,  82}, {165, 132,  90},
       
    34     {165, 132,  99}, {165, 140,  90}, {173, 132,  57}, {173, 132,  99},
       
    35     {173, 140, 107}, {173, 140, 115}, {173, 148,  99}, {173, 173, 173},
       
    36     {181, 140,  74}, {181, 148, 115}, {181, 148, 123}, {181, 156, 107},
       
    37     {189, 148, 123}, {189, 156,  82}, {189, 156, 123}, {189, 156, 132},
       
    38     {189, 189, 189}, {198, 156, 123}, {198, 165, 132}, {206, 165,  99},
       
    39     {206, 165, 132}, {206, 173, 140}, {206, 206, 206}, {214, 173, 115},
       
    40     {214, 173, 140}, {222, 181, 148}, {222, 189, 132}, {222, 189, 156},
       
    41     {222, 222, 222}, {231, 198, 165}, {231, 231, 231}, {239, 206, 173}
       
    42 };
       
    43 
       
    44 
       
    45 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
       
    46 static void quit(int rc)
       
    47 {
       
    48 	SDL_Quit();
       
    49 	exit(rc);
       
    50 }
       
    51 
       
    52 /* All RGB2YUV conversion code and some other parts of code has been taken from testoverlay.c */
       
    53 
       
    54 /* NOTE: These RGB conversion functions are not intended for speed,
       
    55          only as examples.
       
    56 */
       
    57 
       
    58 void RGBtoYUV(Uint8 *rgb, int *yuv, int monochrome, int luminance)
       
    59 {
       
    60     if (monochrome)
       
    61     {
       
    62 #if 1 /* these are the two formulas that I found on the FourCC site... */
       
    63         yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2];
       
    64         yuv[1] = 128;
       
    65         yuv[2] = 128;
       
    66 #else
       
    67         yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
       
    68         yuv[1] = 128;
       
    69         yuv[2] = 128;
       
    70 #endif
       
    71     }
       
    72     else
       
    73     {
       
    74 #if 1 /* these are the two formulas that I found on the FourCC site... */
       
    75         yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2];
       
    76         yuv[1] = (rgb[2]-yuv[0])*0.565 + 128;
       
    77         yuv[2] = (rgb[0]-yuv[0])*0.713 + 128;
       
    78 #else
       
    79         yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
       
    80         yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]);
       
    81         yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]);
       
    82 #endif
       
    83     }
       
    84 
       
    85     if (luminance!=100)
       
    86     {
       
    87         yuv[0]=yuv[0]*luminance/100;
       
    88         if (yuv[0]>255)
       
    89             yuv[0]=255;
       
    90     }
       
    91 }
       
    92 
       
    93 void ConvertRGBtoYV12(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
       
    94 {
       
    95 	int x,y;
       
    96 	int yuv[3];
       
    97 	Uint8 *p,*op[3];
       
    98 
       
    99 	SDL_LockSurface(s);
       
   100 	SDL_LockYUVOverlay(o);
       
   101 
       
   102 	/* Convert */
       
   103 	for(y=0; y<s->h && y<o->h; y++)
       
   104 	{
       
   105 		p=((Uint8 *) s->pixels)+s->pitch*y;
       
   106 		op[0]=o->pixels[0]+o->pitches[0]*y;
       
   107 		op[1]=o->pixels[1]+o->pitches[1]*(y/2);
       
   108 		op[2]=o->pixels[2]+o->pitches[2]*(y/2);
       
   109 		for(x=0; x<s->w && x<o->w; x++)
       
   110 		{
       
   111 			RGBtoYUV(p, yuv, monochrome, luminance);
       
   112 			*(op[0]++)=yuv[0];
       
   113 			if(x%2==0 && y%2==0)
       
   114 			{
       
   115 				*(op[1]++)=yuv[2];
       
   116 				*(op[2]++)=yuv[1];
       
   117 			}
       
   118 			p+=s->format->BytesPerPixel;
       
   119 		}
       
   120 	}
       
   121 
       
   122 	SDL_UnlockYUVOverlay(o);
       
   123 	SDL_UnlockSurface(s);
       
   124 }
       
   125 
       
   126 void ConvertRGBtoIYUV(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
       
   127 {
       
   128 	int x,y;
       
   129 	int yuv[3];
       
   130 	Uint8 *p,*op[3];
       
   131 
       
   132 	SDL_LockSurface(s);
       
   133 	SDL_LockYUVOverlay(o);
       
   134 
       
   135 	/* Convert */
       
   136 	for(y=0; y<s->h && y<o->h; y++)
       
   137 	{
       
   138 		p=((Uint8 *) s->pixels)+s->pitch*y;
       
   139 		op[0]=o->pixels[0]+o->pitches[0]*y;
       
   140 		op[1]=o->pixels[1]+o->pitches[1]*(y/2);
       
   141 		op[2]=o->pixels[2]+o->pitches[2]*(y/2);
       
   142 		for(x=0; x<s->w && x<o->w; x++)
       
   143 		{
       
   144 			RGBtoYUV(p,yuv, monochrome, luminance);
       
   145 			*(op[0]++)=yuv[0];
       
   146 			if(x%2==0 && y%2==0)
       
   147 			{
       
   148 				*(op[1]++)=yuv[1];
       
   149 				*(op[2]++)=yuv[2];
       
   150 			}
       
   151 			p+=s->format->BytesPerPixel;
       
   152 		}
       
   153 	}
       
   154 
       
   155 	SDL_UnlockYUVOverlay(o);
       
   156 	SDL_UnlockSurface(s);
       
   157 }
       
   158 
       
   159 void ConvertRGBtoUYVY(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
       
   160 {
       
   161 	int x,y;
       
   162 	int yuv[3];
       
   163 	Uint8 *p,*op;
       
   164 
       
   165 	SDL_LockSurface(s);
       
   166 	SDL_LockYUVOverlay(o);
       
   167 
       
   168 	for(y=0; y<s->h && y<o->h; y++)
       
   169 	{
       
   170 		p=((Uint8 *) s->pixels)+s->pitch*y;
       
   171 		op=o->pixels[0]+o->pitches[0]*y;
       
   172 		for(x=0; x<s->w && x<o->w; x++)
       
   173 		{
       
   174 			RGBtoYUV(p, yuv, monochrome, luminance);
       
   175 			if(x%2==0)
       
   176 			{
       
   177 				*(op++)=yuv[1];
       
   178 				*(op++)=yuv[0];
       
   179 				*(op++)=yuv[2];
       
   180 			}
       
   181 			else
       
   182 				*(op++)=yuv[0];
       
   183 
       
   184 			p+=s->format->BytesPerPixel;
       
   185 		}
       
   186 	}
       
   187 
       
   188 	SDL_UnlockYUVOverlay(o);
       
   189 	SDL_UnlockSurface(s);
       
   190 }
       
   191 
       
   192 void ConvertRGBtoYVYU(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
       
   193 {
       
   194 	int x,y;
       
   195 	int yuv[3];
       
   196 	Uint8 *p,*op;
       
   197 
       
   198 	SDL_LockSurface(s);
       
   199 	SDL_LockYUVOverlay(o);
       
   200 
       
   201 	for(y=0; y<s->h && y<o->h; y++)
       
   202 	{
       
   203 		p=((Uint8 *) s->pixels)+s->pitch*y;
       
   204 		op=o->pixels[0]+o->pitches[0]*y;
       
   205 		for(x=0; x<s->w && x<o->w; x++)
       
   206 		{
       
   207 			RGBtoYUV(p,yuv, monochrome, luminance);
       
   208 			if(x%2==0)
       
   209 			{
       
   210 				*(op++)=yuv[0];
       
   211 				*(op++)=yuv[2];
       
   212 				op[1]=yuv[1];
       
   213 			}
       
   214 			else
       
   215 			{
       
   216 				*op=yuv[0];
       
   217 				op+=2;
       
   218 			}
       
   219 
       
   220 			p+=s->format->BytesPerPixel;
       
   221 		}
       
   222 	}
       
   223 
       
   224 	SDL_UnlockYUVOverlay(o);
       
   225 	SDL_UnlockSurface(s);
       
   226 }
       
   227 
       
   228 void ConvertRGBtoYUY2(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
       
   229 {
       
   230 	int x,y;
       
   231 	int yuv[3];
       
   232 	Uint8 *p,*op;
       
   233 
       
   234 	SDL_LockSurface(s);
       
   235 	SDL_LockYUVOverlay(o);
       
   236         
       
   237 	for(y=0; y<s->h && y<o->h; y++)
       
   238 	{
       
   239 		p=((Uint8 *) s->pixels)+s->pitch*y;
       
   240 		op=o->pixels[0]+o->pitches[0]*y;
       
   241 		for(x=0; x<s->w && x<o->w; x++)
       
   242 		{
       
   243 			RGBtoYUV(p,yuv, monochrome, luminance);
       
   244 			if(x%2==0)
       
   245 			{
       
   246 				*(op++)=yuv[0];
       
   247 				*(op++)=yuv[1];
       
   248 				op[1]=yuv[2];
       
   249 			}
       
   250 			else
       
   251 			{
       
   252 				*op=yuv[0];
       
   253 				op+=2;
       
   254 			}
       
   255 
       
   256 			p+=s->format->BytesPerPixel;
       
   257 		}
       
   258 	}
       
   259 
       
   260 	SDL_UnlockYUVOverlay(o);
       
   261 	SDL_UnlockSurface(s);
       
   262 }
       
   263 
       
   264 static void PrintUsage(char *argv0)
       
   265 {
       
   266     fprintf(stderr, "Usage: %s [arg] [arg] [arg] ...\n", argv0);
       
   267     fprintf(stderr, "\n");
       
   268     fprintf(stderr, "Where 'arg' is any of the following options:\n");
       
   269     fprintf(stderr, "\n");
       
   270     fprintf(stderr, "	-fps <frames per second>\n");
       
   271     fprintf(stderr, "	-format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n");
       
   272     fprintf(stderr, "	-scale <scale factor> (initial scale of the overlay)\n");
       
   273     fprintf(stderr, "	-help (shows this help)\n");
       
   274     fprintf(stderr, "\n");
       
   275     fprintf(stderr, "Press ESC to exit, or SPACE to freeze the movie while application running.\n");
       
   276     fprintf(stderr, "\n");
       
   277 }
       
   278 
       
   279 int main(int argc, char **argv)
       
   280 {
       
   281     Uint8* RawMooseData;
       
   282     SDL_RWops* handle;
       
   283     SDL_Surface* screen;
       
   284     SDL_Surface* MooseFrame[MOOSEFRAMES_COUNT];
       
   285     SDL_Overlay* overlay;
       
   286     SDL_Rect overlayrect;
       
   287     SDL_Event event;
       
   288     Uint32 lastftick;
       
   289     int paused=0;
       
   290     int resized=0;
       
   291     int i;
       
   292     int fps=12;
       
   293     int fpsdelay;
       
   294     int overlay_format=SDL_YUY2_OVERLAY;
       
   295     int scale=5;
       
   296 
       
   297     if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0)
       
   298     {
       
   299         fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
       
   300         return 3;
       
   301     }
       
   302 
       
   303     while ( argc > 1 )
       
   304     {
       
   305         if (strcmp(argv[1], "-fps")== 0)
       
   306         {
       
   307             if (argv[2])
       
   308             {
       
   309                 fps = atoi(argv[2]);
       
   310                 if (fps==0)
       
   311                 {
       
   312                     fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
       
   313                     quit(10);
       
   314                 }
       
   315                 if ((fps<0) || (fps>1000))
       
   316                 {
       
   317                     fprintf(stderr, "The -fps option must be in range from 1 to 1000, default is 12.\n");
       
   318                     quit(10);
       
   319                 }
       
   320                 argv += 2;
       
   321                 argc -= 2;
       
   322             }
       
   323             else
       
   324             {
       
   325                 fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
       
   326                 quit(10);
       
   327             }
       
   328         } else
       
   329         if (strcmp(argv[1], "-format") == 0)
       
   330         {
       
   331             if (argv[2])
       
   332             {
       
   333                 if (!strcmp(argv[2],"YV12"))
       
   334                     overlay_format = SDL_YV12_OVERLAY;
       
   335                 else if(!strcmp(argv[2],"IYUV"))
       
   336                     overlay_format = SDL_IYUV_OVERLAY;
       
   337                 else if(!strcmp(argv[2],"YUY2"))
       
   338                     overlay_format = SDL_YUY2_OVERLAY;
       
   339                 else if(!strcmp(argv[2],"UYVY"))
       
   340                     overlay_format = SDL_UYVY_OVERLAY;
       
   341                 else if(!strcmp(argv[2],"YVYU"))
       
   342                     overlay_format = SDL_YVYU_OVERLAY;
       
   343                 else
       
   344                 {
       
   345                     fprintf(stderr, "The -format option %s is not recognized, see help for info.\n", argv[2]);
       
   346                     quit(10);
       
   347                 }
       
   348                 argv += 2;
       
   349                 argc -= 2;
       
   350             }
       
   351             else
       
   352             {
       
   353                 fprintf(stderr, "The -format option requires an argument, default is YUY2.\n");
       
   354                 quit(10);
       
   355             }
       
   356         } else
       
   357         if (strcmp(argv[1], "-scale") == 0)
       
   358         {
       
   359             if (argv[2])
       
   360             {
       
   361                 scale = atoi(argv[2]);
       
   362                 if (scale==0)
       
   363                 {
       
   364                     fprintf(stderr, "The -scale option requires an argument [from 1 to 50], default is 5.\n");
       
   365                     quit(10);
       
   366                 }
       
   367                 if ((scale<0) || (scale>50))
       
   368                 {
       
   369                     fprintf(stderr, "The -scale option must be in range from 1 to 50, default is 5.\n");
       
   370                     quit(10);
       
   371                 }
       
   372                 argv += 2;
       
   373                 argc -= 2;
       
   374             }
       
   375             else
       
   376             {
       
   377                 fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
       
   378                 quit(10);
       
   379             }
       
   380         } else
       
   381         if ((strcmp(argv[1], "-help") == 0 ) || (strcmp(argv[1], "-h") == 0))
       
   382         {
       
   383             PrintUsage(argv[0]);
       
   384             quit(0);
       
   385         } else
       
   386         {
       
   387             fprintf(stderr, "Unrecognized option: %s.\n", argv[1]);
       
   388             quit(10);
       
   389         }
       
   390         break;
       
   391     }
       
   392    
       
   393     RawMooseData=(Uint8*)malloc(MOOSEFRAME_SIZE * MOOSEFRAMES_COUNT);
       
   394     if (RawMooseData==NULL)
       
   395     {
       
   396         fprintf(stderr, "Can't allocate memory for movie !\n");
       
   397         free(RawMooseData);
       
   398         quit(1);
       
   399     }
       
   400 
       
   401     /* load the trojan moose images */
       
   402     handle=SDL_RWFromFile("moose.dat", "rb");
       
   403     if (handle==NULL)
       
   404     {
       
   405         fprintf(stderr, "Can't find the file moose.dat !\n");
       
   406         free(RawMooseData);
       
   407         quit(2);
       
   408     }
       
   409    
       
   410     SDL_RWread(handle, RawMooseData, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT);
       
   411 
       
   412     SDL_RWclose(handle);
       
   413 
       
   414     /* Set video mode */
       
   415     if ( (screen=SDL_SetVideoMode(MOOSEPIC_W*scale, MOOSEPIC_H*scale, 0, SDL_RESIZABLE | SDL_SWSURFACE)) == NULL )
       
   416     {
       
   417         fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError());
       
   418         free(RawMooseData);
       
   419         quit(4);
       
   420     }
       
   421 
       
   422     /* Set the window manager title bar */
       
   423     SDL_WM_SetCaption("SDL test overlay: running moose", "testoverlay2");
       
   424 
       
   425     for (i=0; i<MOOSEFRAMES_COUNT; i++)
       
   426     {
       
   427         MooseFrame[i]=SDL_CreateRGBSurfaceFrom(RawMooseData+i*MOOSEFRAME_SIZE, MOOSEPIC_W,
       
   428                                                MOOSEPIC_H, 8, MOOSEPIC_W, 0, 0, 0, 0);
       
   429         if (MooseFrame[i]==NULL)
       
   430         {
       
   431             fprintf(stderr, "Couldn't create SDL_Surfaces:%s\n", SDL_GetError());
       
   432             free(RawMooseData);
       
   433             quit(5);
       
   434         }
       
   435         SDL_SetColors(MooseFrame[i], MooseColors, 0, 84);
       
   436 
       
   437 	{
       
   438 		SDL_Surface *newsurf;
       
   439 		SDL_PixelFormat format;
       
   440 
       
   441 		format.palette=NULL;
       
   442 		format.BitsPerPixel=32;
       
   443 		format.BytesPerPixel=4;
       
   444 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
       
   445 		format.Rshift=0;
       
   446 		format.Gshift=8;
       
   447 		format.Bshift=16;
       
   448 #else
       
   449 		format.Rshift=24;
       
   450 		format.Gshift=16;
       
   451 		format.Bshift=8;
       
   452 #endif
       
   453 		format.Ashift=0;
       
   454 		format.Rmask=0xff<<format.Rshift;
       
   455 		format.Gmask=0xff<<format.Gshift;
       
   456 		format.Bmask=0xff<<format.Bshift;
       
   457 		format.Amask=0;
       
   458 		format.Rloss=0;
       
   459 		format.Gloss=0;
       
   460 		format.Bloss=0;
       
   461 		format.Aloss=8;
       
   462 		format.colorkey=0;
       
   463 		format.alpha=0;
       
   464 
       
   465 		newsurf=SDL_ConvertSurface(MooseFrame[i], &format, SDL_SWSURFACE);
       
   466 		if(!newsurf)
       
   467 		{
       
   468                     fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n", SDL_GetError());
       
   469                     quit(6);
       
   470 		}
       
   471 		SDL_FreeSurface(MooseFrame[i]);
       
   472 		MooseFrame[i]=newsurf;
       
   473 	}
       
   474     }
       
   475 
       
   476     free(RawMooseData);
       
   477 
       
   478     overlay=SDL_CreateYUVOverlay(MOOSEPIC_W, MOOSEPIC_H, overlay_format, screen);
       
   479     if (!overlay)
       
   480     {
       
   481         fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError());
       
   482         quit(7);
       
   483     }
       
   484 
       
   485     printf("Created %dx%dx%d %s %s overlay\n",overlay->w,overlay->h,overlay->planes,
       
   486            overlay->hw_overlay?"hardware":"software",
       
   487            overlay->format==SDL_YV12_OVERLAY?"YV12":
       
   488            overlay->format==SDL_IYUV_OVERLAY?"IYUV":
       
   489            overlay->format==SDL_YUY2_OVERLAY?"YUY2":
       
   490            overlay->format==SDL_UYVY_OVERLAY?"UYVY":
       
   491            overlay->format==SDL_YVYU_OVERLAY?"YVYU":
       
   492            "Unknown");
       
   493 
       
   494     for(i=0; i<overlay->planes; i++)
       
   495     {
       
   496         printf("  plane %d: pitch=%d\n", i, overlay->pitches[i]);
       
   497     }
       
   498 
       
   499     overlayrect.x=0;
       
   500     overlayrect.y=0;
       
   501     overlayrect.w=MOOSEPIC_W*scale;
       
   502     overlayrect.h=MOOSEPIC_H*scale;
       
   503 
       
   504     /* set the start frame */
       
   505     i=0;
       
   506     fpsdelay=1000/fps;
       
   507 
       
   508     /* Ignore key up events, they don't even get filtered */
       
   509     SDL_EventState(SDL_KEYUP, SDL_IGNORE);
       
   510 
       
   511     lastftick=SDL_GetTicks();
       
   512 
       
   513     /* Loop, waiting for QUIT or RESIZE */
       
   514     while (1)
       
   515     {
       
   516         if (SDL_PollEvent(&event))
       
   517         {
       
   518             switch (event.type)
       
   519             {
       
   520                 case SDL_VIDEORESIZE:
       
   521                      screen=SDL_SetVideoMode(event.resize.w, event.resize.h, 0, SDL_RESIZABLE | SDL_SWSURFACE);
       
   522                      overlayrect.w=event.resize.w;
       
   523                      overlayrect.h=event.resize.h;
       
   524                      if (paused)
       
   525                      {
       
   526                          resized=1;
       
   527                      }
       
   528                      break;
       
   529                 case SDL_MOUSEBUTTONDOWN:
       
   530                      overlayrect.x = event.button.x - overlayrect.w/2;
       
   531                      overlayrect.y = event.button.y - overlayrect.h/2;
       
   532                      break;
       
   533                 case SDL_KEYDOWN:
       
   534                      if (event.key.keysym.sym == SDLK_SPACE)
       
   535                      {
       
   536                          paused=!paused;
       
   537                          break;
       
   538                      }
       
   539                      if (event.key.keysym.sym != SDLK_ESCAPE)
       
   540                      {
       
   541                          break;
       
   542                      }
       
   543                 case SDL_QUIT:
       
   544                      SDL_FreeYUVOverlay(overlay);
       
   545                      for (i=0; i<MOOSEFRAMES_COUNT; i++)
       
   546                      {
       
   547                          SDL_FreeSurface(MooseFrame[i]);
       
   548                      }
       
   549                      quit(0);
       
   550             }
       
   551         }
       
   552 
       
   553         if ((!paused)||(resized))
       
   554         {
       
   555             if (((SDL_GetTicks()-lastftick)>fpsdelay)||(resized))
       
   556             {
       
   557                 lastftick=SDL_GetTicks();
       
   558 
       
   559                 switch (overlay_format)
       
   560                 {
       
   561                     case SDL_YUY2_OVERLAY:
       
   562                          ConvertRGBtoYUY2(MooseFrame[i], overlay, 0, 100);
       
   563                          break;
       
   564                     case SDL_YV12_OVERLAY:
       
   565                          ConvertRGBtoYV12(MooseFrame[i], overlay, 0, 100);
       
   566                          break;
       
   567                     case SDL_UYVY_OVERLAY:
       
   568                          ConvertRGBtoUYVY(MooseFrame[i], overlay, 0, 100);
       
   569                          break;
       
   570                     case SDL_YVYU_OVERLAY:
       
   571                          ConvertRGBtoYVYU(MooseFrame[i], overlay, 0, 100);
       
   572                          break;
       
   573                     case SDL_IYUV_OVERLAY:
       
   574                          ConvertRGBtoIYUV(MooseFrame[i], overlay, 0, 100);
       
   575                          break;
       
   576                 }
       
   577 
       
   578                 SDL_DisplayYUVOverlay(overlay, &overlayrect);
       
   579                 if (!resized)
       
   580                 {
       
   581                     i++;
       
   582                     if (i==10)
       
   583                     {
       
   584                         i=0;
       
   585                     }
       
   586                 }
       
   587                 else
       
   588                 {
       
   589                     resized=0;
       
   590                 }
       
   591             }
       
   592         }
       
   593         /* kind of timeslice to OS */
       
   594         SDL_Delay(1);
       
   595     }
       
   596 
       
   597 	SDL_Quit();
       
   598     return 0;
       
   599 }
       
   600