| 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 | |