| /******************************************************************************** |
| * * |
| * Test of the overlay used for moved pictures, test more closed to real life. * |
| * Running trojan moose :) Coded by Mike Gorchak. * |
| * * |
| ********************************************************************************/ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "SDL.h" |
| |
| #define MOOSEPIC_W 64 |
| #define MOOSEPIC_H 88 |
| |
| #define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H) |
| #define MOOSEFRAMES_COUNT 10 |
| |
| SDL_Color MooseColors[84]={ |
| { 49, 49, 49}, { 66, 24, 0}, { 66, 33, 0}, { 66, 66, 66}, |
| { 66, 115, 49}, { 74, 33, 0}, { 74, 41, 16}, { 82, 33, 8}, |
| { 82, 41, 8}, { 82, 49, 16}, { 82, 82, 82}, { 90, 41, 8}, |
| { 90, 41, 16}, { 90, 57, 24}, { 99, 49, 16}, { 99, 66, 24}, |
| { 99, 66, 33}, { 99, 74, 33}, {107, 57, 24}, {107, 82, 41}, |
| {115, 57, 33}, {115, 66, 33}, {115, 66, 41}, {115, 74, 0}, |
| {115, 90, 49}, {115, 115, 115}, {123, 82, 0}, {123, 99, 57}, |
| {132, 66, 41}, {132, 74, 41}, {132, 90, 8}, {132, 99, 33}, |
| {132, 99, 66}, {132, 107, 66}, {140, 74, 49}, {140, 99, 16}, |
| {140, 107, 74}, {140, 115, 74}, {148, 107, 24}, {148, 115, 82}, |
| {148, 123, 74}, {148, 123, 90}, {156, 115, 33}, {156, 115, 90}, |
| {156, 123, 82}, {156, 132, 82}, {156, 132, 99}, {156, 156, 156}, |
| {165, 123, 49}, {165, 123, 90}, {165, 132, 82}, {165, 132, 90}, |
| {165, 132, 99}, {165, 140, 90}, {173, 132, 57}, {173, 132, 99}, |
| {173, 140, 107}, {173, 140, 115}, {173, 148, 99}, {173, 173, 173}, |
| {181, 140, 74}, {181, 148, 115}, {181, 148, 123}, {181, 156, 107}, |
| {189, 148, 123}, {189, 156, 82}, {189, 156, 123}, {189, 156, 132}, |
| {189, 189, 189}, {198, 156, 123}, {198, 165, 132}, {206, 165, 99}, |
| {206, 165, 132}, {206, 173, 140}, {206, 206, 206}, {214, 173, 115}, |
| {214, 173, 140}, {222, 181, 148}, {222, 189, 132}, {222, 189, 156}, |
| {222, 222, 222}, {231, 198, 165}, {231, 231, 231}, {239, 206, 173} |
| }; |
| |
| |
| /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
| static void quit(int rc) |
| { |
| SDL_Quit(); |
| exit(rc); |
| } |
| |
| /* All RGB2YUV conversion code and some other parts of code has been taken from testoverlay.c */ |
| |
| /* NOTE: These RGB conversion functions are not intended for speed, |
| only as examples. |
| */ |
| |
| void RGBtoYUV(Uint8 *rgb, int *yuv, int monochrome, int luminance) |
| { |
| if (monochrome) |
| { |
| #if 1 /* these are the two formulas that I found on the FourCC site... */ |
| yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2]; |
| yuv[1] = 128; |
| yuv[2] = 128; |
| #else |
| yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; |
| yuv[1] = 128; |
| yuv[2] = 128; |
| #endif |
| } |
| else |
| { |
| #if 1 /* these are the two formulas that I found on the FourCC site... */ |
| yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2]; |
| yuv[1] = (rgb[2]-yuv[0])*0.565 + 128; |
| yuv[2] = (rgb[0]-yuv[0])*0.713 + 128; |
| #else |
| yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16; |
| yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]); |
| yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]); |
| #endif |
| } |
| |
| if (luminance!=100) |
| { |
| yuv[0]=yuv[0]*luminance/100; |
| if (yuv[0]>255) |
| yuv[0]=255; |
| } |
| } |
| |
| void ConvertRGBtoYV12(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
| { |
| int x,y; |
| int yuv[3]; |
| Uint8 *p,*op[3]; |
| |
| SDL_LockSurface(s); |
| SDL_LockYUVOverlay(o); |
| |
| /* Convert */ |
| for(y=0; y<s->h && y<o->h; y++) |
| { |
| p=((Uint8 *) s->pixels)+s->pitch*y; |
| op[0]=o->pixels[0]+o->pitches[0]*y; |
| op[1]=o->pixels[1]+o->pitches[1]*(y/2); |
| op[2]=o->pixels[2]+o->pitches[2]*(y/2); |
| for(x=0; x<s->w && x<o->w; x++) |
| { |
| RGBtoYUV(p, yuv, monochrome, luminance); |
| *(op[0]++)=yuv[0]; |
| if(x%2==0 && y%2==0) |
| { |
| *(op[1]++)=yuv[2]; |
| *(op[2]++)=yuv[1]; |
| } |
| p+=s->format->BytesPerPixel; |
| } |
| } |
| |
| SDL_UnlockYUVOverlay(o); |
| SDL_UnlockSurface(s); |
| } |
| |
| void ConvertRGBtoIYUV(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
| { |
| int x,y; |
| int yuv[3]; |
| Uint8 *p,*op[3]; |
| |
| SDL_LockSurface(s); |
| SDL_LockYUVOverlay(o); |
| |
| /* Convert */ |
| for(y=0; y<s->h && y<o->h; y++) |
| { |
| p=((Uint8 *) s->pixels)+s->pitch*y; |
| op[0]=o->pixels[0]+o->pitches[0]*y; |
| op[1]=o->pixels[1]+o->pitches[1]*(y/2); |
| op[2]=o->pixels[2]+o->pitches[2]*(y/2); |
| for(x=0; x<s->w && x<o->w; x++) |
| { |
| RGBtoYUV(p,yuv, monochrome, luminance); |
| *(op[0]++)=yuv[0]; |
| if(x%2==0 && y%2==0) |
| { |
| *(op[1]++)=yuv[1]; |
| *(op[2]++)=yuv[2]; |
| } |
| p+=s->format->BytesPerPixel; |
| } |
| } |
| |
| SDL_UnlockYUVOverlay(o); |
| SDL_UnlockSurface(s); |
| } |
| |
| void ConvertRGBtoUYVY(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
| { |
| int x,y; |
| int yuv[3]; |
| Uint8 *p,*op; |
| |
| SDL_LockSurface(s); |
| SDL_LockYUVOverlay(o); |
| |
| for(y=0; y<s->h && y<o->h; y++) |
| { |
| p=((Uint8 *) s->pixels)+s->pitch*y; |
| op=o->pixels[0]+o->pitches[0]*y; |
| for(x=0; x<s->w && x<o->w; x++) |
| { |
| RGBtoYUV(p, yuv, monochrome, luminance); |
| if(x%2==0) |
| { |
| *(op++)=yuv[1]; |
| *(op++)=yuv[0]; |
| *(op++)=yuv[2]; |
| } |
| else |
| *(op++)=yuv[0]; |
| |
| p+=s->format->BytesPerPixel; |
| } |
| } |
| |
| SDL_UnlockYUVOverlay(o); |
| SDL_UnlockSurface(s); |
| } |
| |
| void ConvertRGBtoYVYU(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
| { |
| int x,y; |
| int yuv[3]; |
| Uint8 *p,*op; |
| |
| SDL_LockSurface(s); |
| SDL_LockYUVOverlay(o); |
| |
| for(y=0; y<s->h && y<o->h; y++) |
| { |
| p=((Uint8 *) s->pixels)+s->pitch*y; |
| op=o->pixels[0]+o->pitches[0]*y; |
| for(x=0; x<s->w && x<o->w; x++) |
| { |
| RGBtoYUV(p,yuv, monochrome, luminance); |
| if(x%2==0) |
| { |
| *(op++)=yuv[0]; |
| *(op++)=yuv[2]; |
| op[1]=yuv[1]; |
| } |
| else |
| { |
| *op=yuv[0]; |
| op+=2; |
| } |
| |
| p+=s->format->BytesPerPixel; |
| } |
| } |
| |
| SDL_UnlockYUVOverlay(o); |
| SDL_UnlockSurface(s); |
| } |
| |
| void ConvertRGBtoYUY2(SDL_Surface *s, SDL_Overlay *o, int monochrome, int luminance) |
| { |
| int x,y; |
| int yuv[3]; |
| Uint8 *p,*op; |
| |
| SDL_LockSurface(s); |
| SDL_LockYUVOverlay(o); |
| |
| for(y=0; y<s->h && y<o->h; y++) |
| { |
| p=((Uint8 *) s->pixels)+s->pitch*y; |
| op=o->pixels[0]+o->pitches[0]*y; |
| for(x=0; x<s->w && x<o->w; x++) |
| { |
| RGBtoYUV(p,yuv, monochrome, luminance); |
| if(x%2==0) |
| { |
| *(op++)=yuv[0]; |
| *(op++)=yuv[1]; |
| op[1]=yuv[2]; |
| } |
| else |
| { |
| *op=yuv[0]; |
| op+=2; |
| } |
| |
| p+=s->format->BytesPerPixel; |
| } |
| } |
| |
| SDL_UnlockYUVOverlay(o); |
| SDL_UnlockSurface(s); |
| } |
| |
| static void PrintUsage(char *argv0) |
| { |
| fprintf(stderr, "Usage: %s [arg] [arg] [arg] ...\n", argv0); |
| fprintf(stderr, "\n"); |
| fprintf(stderr, "Where 'arg' is any of the following options:\n"); |
| fprintf(stderr, "\n"); |
| fprintf(stderr, " -fps <frames per second>\n"); |
| fprintf(stderr, " -format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n"); |
| fprintf(stderr, " -scale <scale factor> (initial scale of the overlay)\n"); |
| fprintf(stderr, " -help (shows this help)\n"); |
| fprintf(stderr, "\n"); |
| fprintf(stderr, "Press ESC to exit, or SPACE to freeze the movie while application running.\n"); |
| fprintf(stderr, "\n"); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| Uint8* RawMooseData; |
| SDL_RWops* handle; |
| SDL_Surface* screen; |
| SDL_Surface* MooseFrame[MOOSEFRAMES_COUNT]; |
| SDL_Overlay* overlay; |
| SDL_Rect overlayrect; |
| SDL_Event event; |
| Uint32 lastftick; |
| int paused=0; |
| int resized=0; |
| int i; |
| int fps=12; |
| int fpsdelay; |
| int overlay_format=SDL_YUY2_OVERLAY; |
| int scale=5; |
| |
| if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) |
| { |
| fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
| return 3; |
| } |
| |
| while ( argc > 1 ) |
| { |
| if (strcmp(argv[1], "-fps")== 0) |
| { |
| if (argv[2]) |
| { |
| fps = atoi(argv[2]); |
| if (fps==0) |
| { |
| fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n"); |
| quit(10); |
| } |
| if ((fps<0) || (fps>1000)) |
| { |
| fprintf(stderr, "The -fps option must be in range from 1 to 1000, default is 12.\n"); |
| quit(10); |
| } |
| argv += 2; |
| argc -= 2; |
| } |
| else |
| { |
| fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n"); |
| quit(10); |
| } |
| } else |
| if (strcmp(argv[1], "-format") == 0) |
| { |
| if (argv[2]) |
| { |
| if (!strcmp(argv[2],"YV12")) |
| overlay_format = SDL_YV12_OVERLAY; |
| else if(!strcmp(argv[2],"IYUV")) |
| overlay_format = SDL_IYUV_OVERLAY; |
| else if(!strcmp(argv[2],"YUY2")) |
| overlay_format = SDL_YUY2_OVERLAY; |
| else if(!strcmp(argv[2],"UYVY")) |
| overlay_format = SDL_UYVY_OVERLAY; |
| else if(!strcmp(argv[2],"YVYU")) |
| overlay_format = SDL_YVYU_OVERLAY; |
| else |
| { |
| fprintf(stderr, "The -format option %s is not recognized, see help for info.\n", argv[2]); |
| quit(10); |
| } |
| argv += 2; |
| argc -= 2; |
| } |
| else |
| { |
| fprintf(stderr, "The -format option requires an argument, default is YUY2.\n"); |
| quit(10); |
| } |
| } else |
| if (strcmp(argv[1], "-scale") == 0) |
| { |
| if (argv[2]) |
| { |
| scale = atoi(argv[2]); |
| if (scale==0) |
| { |
| fprintf(stderr, "The -scale option requires an argument [from 1 to 50], default is 5.\n"); |
| quit(10); |
| } |
| if ((scale<0) || (scale>50)) |
| { |
| fprintf(stderr, "The -scale option must be in range from 1 to 50, default is 5.\n"); |
| quit(10); |
| } |
| argv += 2; |
| argc -= 2; |
| } |
| else |
| { |
| fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n"); |
| quit(10); |
| } |
| } else |
| if ((strcmp(argv[1], "-help") == 0 ) || (strcmp(argv[1], "-h") == 0)) |
| { |
| PrintUsage(argv[0]); |
| quit(0); |
| } else |
| { |
| fprintf(stderr, "Unrecognized option: %s.\n", argv[1]); |
| quit(10); |
| } |
| break; |
| } |
| |
| RawMooseData=(Uint8*)malloc(MOOSEFRAME_SIZE * MOOSEFRAMES_COUNT); |
| if (RawMooseData==NULL) |
| { |
| fprintf(stderr, "Can't allocate memory for movie !\n"); |
| free(RawMooseData); |
| quit(1); |
| } |
| |
| /* load the trojan moose images */ |
| handle=SDL_RWFromFile("moose.dat", "rb"); |
| if (handle==NULL) |
| { |
| fprintf(stderr, "Can't find the file moose.dat !\n"); |
| free(RawMooseData); |
| quit(2); |
| } |
| |
| SDL_RWread(handle, RawMooseData, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT); |
| |
| SDL_RWclose(handle); |
| |
| /* Set video mode */ |
| if ( (screen=SDL_SetVideoMode(MOOSEPIC_W*scale, MOOSEPIC_H*scale, 0, SDL_RESIZABLE | SDL_SWSURFACE)) == NULL ) |
| { |
| fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError()); |
| free(RawMooseData); |
| quit(4); |
| } |
| |
| /* Set the window manager title bar */ |
| SDL_WM_SetCaption("SDL test overlay: running moose", "testoverlay2"); |
| |
| for (i=0; i<MOOSEFRAMES_COUNT; i++) |
| { |
| MooseFrame[i]=SDL_CreateRGBSurfaceFrom(RawMooseData+i*MOOSEFRAME_SIZE, MOOSEPIC_W, |
| MOOSEPIC_H, 8, MOOSEPIC_W, 0, 0, 0, 0); |
| if (MooseFrame[i]==NULL) |
| { |
| fprintf(stderr, "Couldn't create SDL_Surfaces:%s\n", SDL_GetError()); |
| free(RawMooseData); |
| quit(5); |
| } |
| SDL_SetColors(MooseFrame[i], MooseColors, 0, 84); |
| |
| { |
| SDL_Surface *newsurf; |
| SDL_PixelFormat format; |
| |
| format.palette=NULL; |
| format.BitsPerPixel=32; |
| format.BytesPerPixel=4; |
| #if SDL_BYTEORDER == SDL_LIL_ENDIAN |
| format.Rshift=0; |
| format.Gshift=8; |
| format.Bshift=16; |
| #else |
| format.Rshift=24; |
| format.Gshift=16; |
| format.Bshift=8; |
| #endif |
| format.Ashift=0; |
| format.Rmask=0xff<<format.Rshift; |
| format.Gmask=0xff<<format.Gshift; |
| format.Bmask=0xff<<format.Bshift; |
| format.Amask=0; |
| format.Rloss=0; |
| format.Gloss=0; |
| format.Bloss=0; |
| format.Aloss=8; |
| format.colorkey=0; |
| format.alpha=0; |
| |
| newsurf=SDL_ConvertSurface(MooseFrame[i], &format, SDL_SWSURFACE); |
| if(!newsurf) |
| { |
| fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n", SDL_GetError()); |
| quit(6); |
| } |
| SDL_FreeSurface(MooseFrame[i]); |
| MooseFrame[i]=newsurf; |
| } |
| } |
| |
| free(RawMooseData); |
| |
| overlay=SDL_CreateYUVOverlay(MOOSEPIC_W, MOOSEPIC_H, overlay_format, screen); |
| if (!overlay) |
| { |
| fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError()); |
| quit(7); |
| } |
| |
| printf("Created %dx%dx%d %s %s overlay\n",overlay->w,overlay->h,overlay->planes, |
| overlay->hw_overlay?"hardware":"software", |
| overlay->format==SDL_YV12_OVERLAY?"YV12": |
| overlay->format==SDL_IYUV_OVERLAY?"IYUV": |
| overlay->format==SDL_YUY2_OVERLAY?"YUY2": |
| overlay->format==SDL_UYVY_OVERLAY?"UYVY": |
| overlay->format==SDL_YVYU_OVERLAY?"YVYU": |
| "Unknown"); |
| |
| for(i=0; i<overlay->planes; i++) |
| { |
| printf(" plane %d: pitch=%d\n", i, overlay->pitches[i]); |
| } |
| |
| overlayrect.x=0; |
| overlayrect.y=0; |
| overlayrect.w=MOOSEPIC_W*scale; |
| overlayrect.h=MOOSEPIC_H*scale; |
| |
| /* set the start frame */ |
| i=0; |
| fpsdelay=1000/fps; |
| |
| /* Ignore key up events, they don't even get filtered */ |
| SDL_EventState(SDL_KEYUP, SDL_IGNORE); |
| |
| lastftick=SDL_GetTicks(); |
| |
| /* Loop, waiting for QUIT or RESIZE */ |
| while (1) |
| { |
| if (SDL_PollEvent(&event)) |
| { |
| switch (event.type) |
| { |
| case SDL_VIDEORESIZE: |
| screen=SDL_SetVideoMode(event.resize.w, event.resize.h, 0, SDL_RESIZABLE | SDL_SWSURFACE); |
| overlayrect.w=event.resize.w; |
| overlayrect.h=event.resize.h; |
| if (paused) |
| { |
| resized=1; |
| } |
| break; |
| case SDL_MOUSEBUTTONDOWN: |
| overlayrect.x = event.button.x - overlayrect.w/2; |
| overlayrect.y = event.button.y - overlayrect.h/2; |
| break; |
| case SDL_KEYDOWN: |
| if (event.key.keysym.sym == SDLK_SPACE) |
| { |
| paused=!paused; |
| break; |
| } |
| if (event.key.keysym.sym != SDLK_ESCAPE) |
| { |
| break; |
| } |
| case SDL_QUIT: |
| SDL_FreeYUVOverlay(overlay); |
| for (i=0; i<MOOSEFRAMES_COUNT; i++) |
| { |
| SDL_FreeSurface(MooseFrame[i]); |
| } |
| quit(0); |
| } |
| } |
| |
| if ((!paused)||(resized)) |
| { |
| if (((SDL_GetTicks()-lastftick)>fpsdelay)||(resized)) |
| { |
| lastftick=SDL_GetTicks(); |
| |
| switch (overlay_format) |
| { |
| case SDL_YUY2_OVERLAY: |
| ConvertRGBtoYUY2(MooseFrame[i], overlay, 0, 100); |
| break; |
| case SDL_YV12_OVERLAY: |
| ConvertRGBtoYV12(MooseFrame[i], overlay, 0, 100); |
| break; |
| case SDL_UYVY_OVERLAY: |
| ConvertRGBtoUYVY(MooseFrame[i], overlay, 0, 100); |
| break; |
| case SDL_YVYU_OVERLAY: |
| ConvertRGBtoYVYU(MooseFrame[i], overlay, 0, 100); |
| break; |
| case SDL_IYUV_OVERLAY: |
| ConvertRGBtoIYUV(MooseFrame[i], overlay, 0, 100); |
| break; |
| } |
| |
| SDL_DisplayYUVOverlay(overlay, &overlayrect); |
| if (!resized) |
| { |
| i++; |
| if (i==10) |
| { |
| i=0; |
| } |
| } |
| else |
| { |
| resized=0; |
| } |
| } |
| } |
| /* kind of timeslice to OS */ |
| SDL_Delay(1); |
| } |
| |
| SDL_Quit(); |
| return 0; |
| } |
| |
