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;
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");
return -1;
}
if ((fps<0) || (fps>1000))
{
fprintf(stderr, "The -fps option must be in range from 1 to 1000, default is 12.\n");
return -1;
}
argv += 2;
argc -= 2;
}
else
{
fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
return -1;
}
} 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]);
return -1;
}
argv += 2;
argc -= 2;
}
else
{
fprintf(stderr, "The -format option requires an argument, default is YUY2.\n");
return -1;
}
} 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");
return -1;
}
if ((scale<0) || (scale>50))
{
fprintf(stderr, "The -scale option must be in range from 1 to 50, default is 5.\n");
return -1;
}
argv += 2;
argc -= 2;
}
else
{
fprintf(stderr, "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
return -1;
}
} else
if ((strcmp(argv[1], "-help") == 0 ) || (strcmp(argv[1], "-h") == 0))
{
PrintUsage(argv[0]);
return 0;
} else
{
fprintf(stderr, "Unrecognized option: %s.\n", argv[1]);
return -1;
}
break;
}
RawMooseData=(Uint8*)malloc(MOOSEFRAME_SIZE * MOOSEFRAMES_COUNT);
if (RawMooseData==NULL)
{
fprintf(stderr, "Can't allocate memory for movie !\n");
free(RawMooseData);
return 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);
return 2;
}
SDL_RWread(handle, RawMooseData, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT);
SDL_RWclose(handle);
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0)
{
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
free(RawMooseData);
return 3;
}
atexit(SDL_Quit);
/* 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", 0, SDL_GetError());
free(RawMooseData);
return 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", 0, SDL_GetError());
free(RawMooseData);
return 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());
return 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());
return 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_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]);
}
return 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);
}
return 0;
}
int
main(int argc, char **argv)
{
char *argv0 = argv[0];
int flip;
int delay;
int desired_bpp;
Uint32 video_flags, overlay_format;
char *bmpfile;
#ifdef BENCHMARK_SDL
Uint32 then, now;
#endif
int i;
/* Set default options and check command-line */
flip = 0;
scale = 0;
monochrome = 0;
luminance = 100;
delay = 1;
w = WINDOW_WIDTH;
h = WINDOW_HEIGHT;
desired_bpp = 0;
video_flags = 0;
overlay_format = SDL_YV12_OVERLAY;
while (argc > 1) {
if (strcmp(argv[1], "-delay") == 0) {
if (argv[2]) {
delay = atoi(argv[2]);
argv += 2;
argc -= 2;
} else {
fprintf(stderr, "The -delay option requires an argument\n");
return (1);
}
} else if (strcmp(argv[1], "-width") == 0) {
if (argv[2] && ((w = atoi(argv[2])) > 0)) {
argv += 2;
argc -= 2;
} else {
fprintf(stderr, "The -width option requires an argument\n");
return (1);
}
} else if (strcmp(argv[1], "-height") == 0) {
if (argv[2] && ((h = atoi(argv[2])) > 0)) {
argv += 2;
argc -= 2;
} else {
fprintf(stderr, "The -height option requires an argument\n");
return (1);
}
} else if (strcmp(argv[1], "-bpp") == 0) {
if (argv[2]) {
desired_bpp = atoi(argv[2]);
argv += 2;
argc -= 2;
} else {
fprintf(stderr, "The -bpp option requires an argument\n");
return (1);
}
} else if (strcmp(argv[1], "-lum") == 0) {
if (argv[2]) {
luminance = atoi(argv[2]);
argv += 2;
argc -= 2;
} else {
fprintf(stderr, "The -lum option requires an argument\n");
return (1);
}
} 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\n",
argv[2]);
return (1);
}
argv += 2;
argc -= 2;
} else {
fprintf(stderr, "The -format option requires an argument\n");
return (1);
}
} else if (strcmp(argv[1], "-hw") == 0) {
video_flags |= SDL_HWSURFACE;
argv += 1;
argc -= 1;
} else if (strcmp(argv[1], "-flip") == 0) {
video_flags |= SDL_DOUBLEBUF;
argv += 1;
argc -= 1;
} else if (strcmp(argv[1], "-scale") == 0) {
scale = 1;
argv += 1;
argc -= 1;
} else if (strcmp(argv[1], "-mono") == 0) {
monochrome = 1;
argv += 1;
argc -= 1;
} else if ((strcmp(argv[1], "-help") == 0)
|| (strcmp(argv[1], "-h") == 0)) {
PrintUsage(argv0);
return (1);
} else if (strcmp(argv[1], "-fullscreen") == 0) {
video_flags |= SDL_FULLSCREEN;
argv += 1;
argc -= 1;
} else
break;
}
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
return (1);
}
/* Initialize the display */
screen = SDL_SetVideoMode(w, h, desired_bpp, video_flags);
if (screen == NULL) {
fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
w, h, desired_bpp, SDL_GetError());
quit(1);
}
printf("Set%s %dx%dx%d mode\n",
screen->flags & SDL_FULLSCREEN ? " fullscreen" : "",
screen->w, screen->h, screen->format->BitsPerPixel);
printf("(video surface located in %s memory)\n",
(screen->flags & SDL_HWSURFACE) ? "video" : "system");
if (screen->flags & SDL_DOUBLEBUF) {
printf("Double-buffering enabled\n");
flip = 1;
}
/* Set the window manager title bar */
SDL_WM_SetCaption("SDL test overlay", "testoverlay");
/* Load picture */
bmpfile = (argv[1] ? argv[1] : "sample.bmp");
pic = SDL_LoadBMP(bmpfile);
if (pic == NULL) {
fprintf(stderr, "Couldn't load %s: %s\n", bmpfile, SDL_GetError());
quit(1);
}
/* Convert the picture to 32bits, for easy conversion */
{
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(pic, &format, SDL_SWSURFACE);
if (!newsurf) {
fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n",
SDL_GetError());
quit(1);
}
SDL_FreeSurface(pic);
pic = newsurf;
}
/* Create the overlay */
overlay = SDL_CreateYUVOverlay(pic->w, pic->h, overlay_format, screen);
if (overlay == NULL) {
fprintf(stderr, "Couldn't create overlay: %s\n", SDL_GetError());
quit(1);
}
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]);
}
/* Convert to YUV, and draw to the overlay */
#ifdef BENCHMARK_SDL
then = SDL_GetTicks();
#endif
switch (overlay->format) {
case SDL_YV12_OVERLAY:
ConvertRGBtoYV12(pic, overlay, monochrome, luminance);
break;
case SDL_UYVY_OVERLAY:
ConvertRGBtoUYVY(pic, overlay, monochrome, luminance);
break;
case SDL_YVYU_OVERLAY:
ConvertRGBtoYVYU(pic, overlay, monochrome, luminance);
break;
case SDL_YUY2_OVERLAY:
ConvertRGBtoYUY2(pic, overlay, monochrome, luminance);
break;
case SDL_IYUV_OVERLAY:
ConvertRGBtoIYUV(pic, overlay, monochrome, luminance);
break;
default:
printf("cannot convert RGB picture to obtained YUV format!\n");
quit(1);
break;
}
#ifdef BENCHMARK_SDL
now = SDL_GetTicks();
printf("Conversion Time: %d milliseconds\n", now - then);
#endif
/* Do all the drawing work */
#ifdef BENCHMARK_SDL
then = SDL_GetTicks();
#endif
Draw();
#ifdef BENCHMARK_SDL
now = SDL_GetTicks();
printf("Time: %d milliseconds\n", now - then);
#endif
SDL_Delay(delay * 1000);
SDL_Quit();
return (0);
}
inline void Convert32bit(SDL_Surface *display)
{
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(display, &format, SDL_SWSURFACE);
if(!newsurf)
{
fprintf(stderr, "Couldn't convert picture to 32bits RGB: %s\n",
SDL_GetError());
exit(1);
}
switch(overlay->format)
{
case SDL_YV12_OVERLAY:
ConvertRGBtoYV12(newsurf,overlay);
break;
case SDL_UYVY_OVERLAY:
ConvertRGBtoUYVY(newsurf,overlay);
break;
case SDL_YVYU_OVERLAY:
ConvertRGBtoYVYU(newsurf,overlay);
break;
case SDL_YUY2_OVERLAY:
ConvertRGBtoYUY2(newsurf,overlay);
break;
case SDL_IYUV_OVERLAY:
ConvertRGBtoIYUV(newsurf,overlay);
break;
default:
printf("cannot convert RGB picture to obtained YUV format!\n");
exit(1);
break;
}
}