1 /********************************************************************************
3 * Test of the overlay used for moved pictures, test more closed to real life. *
4 * Running trojan moose :) Coded by Mike Gorchak. *
6 ********************************************************************************/
17 #define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H)
18 #define MOOSEFRAMES_COUNT 10
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}
45 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
46 static void quit(int rc)
52 /* All RGB2YUV conversion code and some other parts of code has been taken from testoverlay.c */
54 /* NOTE: These RGB conversion functions are not intended for speed,
58 void RGBtoYUV(Uint8 *rgb, int *yuv, int monochrome, int luminance)
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];
67 yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
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;
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]);
87 yuv[0]=yuv[0]*luminance/100;
93 void ConvertRGBtoYV12(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
100 SDL_LockYUVOverlay(o);
103 for(y=0; y<s->h && y<o->h; y++)
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++)
111 RGBtoYUV(p, yuv, monochrome, luminance);
118 p+=s->format->BytesPerPixel;
122 SDL_UnlockYUVOverlay(o);
123 SDL_UnlockSurface(s);
126 void ConvertRGBtoIYUV(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
133 SDL_LockYUVOverlay(o);
136 for(y=0; y<s->h && y<o->h; y++)
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++)
144 RGBtoYUV(p,yuv, monochrome, luminance);
151 p+=s->format->BytesPerPixel;
155 SDL_UnlockYUVOverlay(o);
156 SDL_UnlockSurface(s);
159 void ConvertRGBtoUYVY(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
166 SDL_LockYUVOverlay(o);
168 for(y=0; y<s->h && y<o->h; y++)
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++)
174 RGBtoYUV(p, yuv, monochrome, luminance);
184 p+=s->format->BytesPerPixel;
188 SDL_UnlockYUVOverlay(o);
189 SDL_UnlockSurface(s);
192 void ConvertRGBtoYVYU(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
199 SDL_LockYUVOverlay(o);
201 for(y=0; y<s->h && y<o->h; y++)
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++)
207 RGBtoYUV(p,yuv, monochrome, luminance);
220 p+=s->format->BytesPerPixel;
224 SDL_UnlockYUVOverlay(o);
225 SDL_UnlockSurface(s);
228 void ConvertRGBtoYUY2(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance)
235 SDL_LockYUVOverlay(o);
237 for(y=0; y<s->h && y<o->h; y++)
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++)
243 RGBtoYUV(p,yuv, monochrome, luminance);
256 p+=s->format->BytesPerPixel;
260 SDL_UnlockYUVOverlay(o);
261 SDL_UnlockSurface(s);
264 static void PrintUsage(char *argv0)
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");
279 int main(int argc, char **argv)
284 SDL_Surface* MooseFrame[MOOSEFRAMES_COUNT];
285 SDL_Overlay* overlay;
286 SDL_Rect overlayrect;
294 int overlay_format=SDL_YUY2_OVERLAY;
297 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0)
299 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
305 if (strcmp(argv[1], "-fps")== 0)
312 fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
315 if ((fps<0) || (fps>1000))
317 fprintf(stderr, "The -fps option must be in range from 1 to 1000, default is 12.\n");
325 fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
329 if (strcmp(argv[1], "-format") == 0)
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;
345 fprintf(stderr, "The -format option %s is not recognized, see help for info.\n", argv[2]);
353 fprintf(stderr, "The -format option requires an argument, default is YUY2.\n");
357 if (strcmp(argv[1], "-scale") == 0)
361 scale = atoi(argv[2]);
364 fprintf(stderr, "The -scale option requires an argument [from 1 to 50], default is 5.\n");
367 if ((scale<0) || (scale>50))
369 fprintf(stderr, "The -scale option must be in range from 1 to 50, default is 5.\n");
377 fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
381 if ((strcmp(argv[1], "-help") == 0 ) || (strcmp(argv[1], "-h") == 0))
387 fprintf(stderr, "Unrecognized option: %s.\n", argv[1]);
393 RawMooseData=(Uint8*)malloc(MOOSEFRAME_SIZE * MOOSEFRAMES_COUNT);
394 if (RawMooseData==NULL)
396 fprintf(stderr, "Can't allocate memory for movie !\n");
401 /* load the trojan moose images */
402 handle=SDL_RWFromFile("moose.dat", "rb");
405 fprintf(stderr, "Can't find the file moose.dat !\n");
410 SDL_RWread(handle, RawMooseData, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT);
415 if ( (screen=SDL_SetVideoMode(MOOSEPIC_W*scale, MOOSEPIC_H*scale, 0, SDL_RESIZABLE | SDL_SWSURFACE)) == NULL )
417 fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError());
422 /* Set the window manager title bar */
423 SDL_WM_SetCaption("SDL test overlay: running moose", "testoverlay2");
425 for (i=0; i<MOOSEFRAMES_COUNT; i++)
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)
431 fprintf(stderr, "Couldn't create SDL_Surfaces:%s\n", SDL_GetError());
435 SDL_SetColors(MooseFrame[i], MooseColors, 0, 84);
438 SDL_Surface *newsurf;
439 SDL_PixelFormat format;
442 format.BitsPerPixel=32;
443 format.BytesPerPixel=4;
444 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
454 format.Rmask=0xff<<format.Rshift;
455 format.Gmask=0xff<<format.Gshift;
456 format.Bmask=0xff<<format.Bshift;
465 newsurf=SDL_ConvertSurface(MooseFrame[i], &format, SDL_SWSURFACE);
468 fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n", SDL_GetError());
471 SDL_FreeSurface(MooseFrame[i]);
472 MooseFrame[i]=newsurf;
478 overlay=SDL_CreateYUVOverlay(MOOSEPIC_W, MOOSEPIC_H, overlay_format, screen);
481 fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError());
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":
494 for(i=0; i<overlay->planes; i++)
496 printf(" plane %d: pitch=%d\n", i, overlay->pitches[i]);
501 overlayrect.w=MOOSEPIC_W*scale;
502 overlayrect.h=MOOSEPIC_H*scale;
504 /* set the start frame */
508 /* Ignore key up events, they don't even get filtered */
509 SDL_EventState(SDL_KEYUP, SDL_IGNORE);
511 lastftick=SDL_GetTicks();
513 /* Loop, waiting for QUIT or RESIZE */
516 if (SDL_PollEvent(&event))
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;
529 case SDL_MOUSEBUTTONDOWN:
530 overlayrect.x = event.button.x - overlayrect.w/2;
531 overlayrect.y = event.button.y - overlayrect.h/2;
534 if (event.key.keysym.sym == SDLK_SPACE)
539 if (event.key.keysym.sym != SDLK_ESCAPE)
544 SDL_FreeYUVOverlay(overlay);
545 for (i=0; i<MOOSEFRAMES_COUNT; i++)
547 SDL_FreeSurface(MooseFrame[i]);
553 if ((!paused)||(resized))
555 if (((SDL_GetTicks()-lastftick)>fpsdelay)||(resized))
557 lastftick=SDL_GetTicks();
559 switch (overlay_format)
561 case SDL_YUY2_OVERLAY:
562 ConvertRGBtoYUY2(MooseFrame[i], overlay, 0, 100);
564 case SDL_YV12_OVERLAY:
565 ConvertRGBtoYV12(MooseFrame[i], overlay, 0, 100);
567 case SDL_UYVY_OVERLAY:
568 ConvertRGBtoUYVY(MooseFrame[i], overlay, 0, 100);
570 case SDL_YVYU_OVERLAY:
571 ConvertRGBtoYVYU(MooseFrame[i], overlay, 0, 100);
573 case SDL_IYUV_OVERLAY:
574 ConvertRGBtoIYUV(MooseFrame[i], overlay, 0, 100);
578 SDL_DisplayYUVOverlay(overlay, &overlayrect);
593 /* kind of timeslice to OS */