| /******************************************************************************** |
| * * |
| * 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; |
| |
| 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; |
| } |
