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 } 600 601
