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pcsx2/3rdparty/SDL-1.3.0-5387/test/testoverlay.c

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/* Bring up a window and play with it */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define BENCHMARK_SDL
#define NOTICE(X) printf("%s", X);
#define WINDOW_WIDTH 640
#define WINDOW_HEIGHT 480
#include "SDL.h"
SDL_Surface *screen, *pic;
SDL_Overlay *overlay;
int scale;
int monochrome;
int luminance;
int w, h;
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
quit(int rc)
{
SDL_Quit();
exit(rc);
}
/* 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] = (int)(0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]);
yuv[1] = 128;
yuv[2] = 128;
#else
yuv[0] = (int)((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] = (int)(0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]);
yuv[1] = (int)((rgb[2] - yuv[0]) * 0.565 + 128);
yuv[2] = (int)((rgb[0] - yuv[0]) * 0.713 + 128);
#else
yuv[0] = (int)((0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16);
yuv[1] = (int)(128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]));
yuv[2] = (int)(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;
}
/* clamp values...if you need to, we don't seem to have a need */
/*
for(i=0;i<3;i++)
{
if(yuv[i]<0)
yuv[i]=0;
if(yuv[i]>255)
yuv[i]=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);
/* Black initialization */
/*
memset(o->pixels[0],0,o->pitches[0]*o->h);
memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2));
memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2));
*/
/* 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);
/* Black initialization */
/*
memset(o->pixels[0],0,o->pitches[0]*o->h);
memset(o->pixels[1],128,o->pitches[1]*((o->h+1)/2));
memset(o->pixels[2],128,o->pitches[2]*((o->h+1)/2));
*/
/* 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);
}
void
Draw()
{
SDL_Rect rect;
int i;
int disp;
if (!scale) {
rect.w = overlay->w;
rect.h = overlay->h;
for (i = 0; i < h - rect.h && i < w - rect.w; i++) {
rect.x = i;
rect.y = i;
SDL_DisplayYUVOverlay(overlay, &rect);
}
} else {
rect.w = overlay->w / 2;
rect.h = overlay->h / 2;
rect.x = (w - rect.w) / 2;
rect.y = (h - rect.h) / 2;
disp = rect.y - 1;
for (i = 0; i < disp; i++) {
rect.w += 2;
rect.h += 2;
rect.x--;
rect.y--;
SDL_DisplayYUVOverlay(overlay, &rect);
}
}
printf("Displayed %d times.\n", i);
}
static void
PrintUsage(char *argv0)
{
fprintf(stderr, "Usage: %s [arg] [arg] [arg] ...\n", argv0);
fprintf(stderr, "Where 'arg' is one of:\n");
fprintf(stderr, " -delay <seconds>\n");
fprintf(stderr, " -width <pixels>\n");
fprintf(stderr, " -height <pixels>\n");
fprintf(stderr, " -bpp <bits>\n");
fprintf(stderr,
" -format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n");
fprintf(stderr, " -hw\n");
fprintf(stderr, " -flip\n");
fprintf(stderr,
" -scale (test scaling features, from 50%% upto window size)\n");
fprintf(stderr, " -mono (use monochromatic RGB2YUV conversion)\n");
fprintf(stderr,
" -lum <perc> (use luminance correction during RGB2YUV conversion,\n");
fprintf(stderr,
" from 0%% to unlimited, normal is 100%%)\n");
fprintf(stderr, " -help (shows this help)\n");
fprintf(stderr, " -fullscreen (test overlay in fullscreen mode)\n");
}
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);
}
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