+++ /dev/null
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <string.h>
-#include <malloc.h>
-#include <errno.h>
-#include <X11/Xlib.h>
-#include <sys/time.h>
-
-#include "s.C"
-
-#define WIDTH 640
-#define HEIGHT 480
-
-#define SWIDTH 80
-#define SHEIGHT 45
-
-double the_time()
-{
- struct timeval tv;
- gettimeofday(&tv,NULL);
- return tv.tv_sec + tv.tv_usec/1000000.0;
-}
-
-void loadImage(int x, int y, XImage *image, unsigned char *cp, int width, int height)
-{
- int i, j, k, b0, bi, npixel, nline;
- unsigned long rmask, gmask, bmask;
- double rshft, gshft, bshft;
- unsigned char r, g, b, *bp, *dp, *data;
- unsigned long pix, pixel;
-
- npixel = image->bits_per_pixel / 8;
- /* A, R, G, B or A, B, G, R */
- if( image->byte_order != MSBFirst ) {
- bi = 1; b0 = 0;
- }
- else {
- bi = -1; b0 = npixel-1;
- }
-
- rmask = image->red_mask; rshft = rmask/255.0;
- gmask = image->green_mask; gshft = gmask/255.0;
- bmask = image->blue_mask; bshft = bmask/255.0;
- nline = image->bytes_per_line;
- data = (unsigned char *)image->data + y*nline + x*npixel;
-
- for( k=0; k<height; k++ ) {
- dp = data;
- for( j=0; j<width; ++j ) {
- r = g = b = *cp;
- pixel = ((int)(r*rshft + 0.5) & rmask)
- + ((int)(g*gshft + 0.5) & gmask)
- + ((int)(b*bshft + 0.5) & bmask);
- bp = dp + b0; pix = pixel;
- for( i=npixel; --i>0; pix>>=8 ) {
- *bp = pix; bp += bi;
- }
- dp += npixel; ++cp;
- }
- data += nline;
- }
-
-}
-
-int done = -1;
-theDb db;
-
-static void
-clientMsg(Display *dpy,Window w,Atom amsg,int fmt)
-{
- XClientMessageEvent ev;
- memset(&ev,0,sizeof(ev));
- ev.type = ClientMessage;
- ev.window = w;
- ev.message_type = amsg;
- ev.format = fmt;
- XSendEvent(dpy,w,False,0,(XEvent *)&ev);
-}
-
-static void
-scale0(uint8_t *idata,int iw,int ih,uint8_t *odata,int ow,int oh)
-{
- int i, dx, dy;
- double iw1 = iw-1;
- double ow1 = ow-1;
-
- int idx[ow];
- for( dx=0; dx<ow; ++dx )
- idx[dx] = ((int)((dx*iw1)/ow1));
-
- int rsz = iw;
- double ih1 = ih-1;
- double oh1 = oh-1;
- for( dy=0; dy<oh; ++dy ) {
- uint8_t *row = &idata[rsz * ((int)((dy*ih1)/oh1))];
- for( dx=0; dx<ow; ++dx ) {
- uint8_t *bp = &row[idx[dx]];
- for( i=1; --i>=0; *odata++ = bp[i]);
- }
- }
-}
-
-#if 0
-static void
-scale1(uint8_t *idata,int iw,int ih,int rx,int ry,int rw,int rh,
- uint8_t *odata,int ow,int oh,int sx,int sy,int sw,int sh)
-{
- //if( rw < 3 || rh < 3 || sw < 3 || sh < 3 ) return;
- int i, dx, dy; int ibpp = 1, obpp = 1;
- int rsz = ibpp * iw, ssz = obpp * ow;
- double iw2 = rw-2, ih2 = rh-2;
- double ow1 = iw2/(sw-1), oh1 = ih2/(sh-1);
- odata += sy*ssz + 4*sx;
-
- for( dy=0; dy<sh; ++dy,odata+=ssz ) {
- double fy = dy*oh1;
- int iy = (int)fy;
- int yf1 = fy - iy;
- int yf0 = 1.0 - yf1;
- int idy = rsz * (iy + ry);
- uint8_t *row0 = &idata[idy];
- uint8_t *row1 = &idata[idy+rsz];
- uint8_t *bp = odata;
-
- for( dx=0; dx<sw; ++dx ) {
- double fx = dx*ow1;
- int ix = (int)fx;
- double xf1 = fx - ix;
- double xf0 = 1.0 - xf1;
- int idx = ibpp * (ix + rx);
- uint8_t *cp00 = &row0[idx];
- uint8_t *cp01 = &row0[idx+ibpp];
- uint8_t *cp10 = &row1[idx];
- uint8_t *cp11 = &row1[idx+ibpp];
- double a00 = yf0 * xf0;
- double a01 = yf0 * xf1;
- double a10 = yf1 * xf0;
- double a11 = yf1 * xf1;
- for( bp[i=ibpp]=0; --i>=0; ++cp00, ++cp01, ++cp10, ++cp11 )
- bp[i] = *cp00*a00 + *cp01*a01 + *cp10*a10 + *cp11*a11 + 0.5;
- bp += obpp;
- }
- }
-}
-
-
-static void
-scale2(uint8_t *idata,int iw,int ih,int rx,int ry,int rw,int rh,
- uint8_t *odata,int ow,int oh,int sx,int sy,int sw,int sh)
-{
- if( rw < 3 || rh < 3 || sw < 3 || sh < 3 ) return;
- const int ibpp=1, obpp=1;
- int x, y, dx, dy;
- int rsz = ibpp*iw, ssz = obpp*ow;
- double rw0=rw, rh0=rh;
- double ow0=sw, oh0=sh;
- double px = rw0/ow0, py = rh0/oh0;
- double pz = (ow0*oh0)/(rw0*rh0);
- double ly = 0.0;
- odata += sy*ssz + obpp*sx;
-
- for( dy=1; dy<=sh; ++dy,odata+=ssz ) {
- int iy0 = (int)ly;
- double yf0 = ly - iy0;
- double ny = dy*py + 1e-99;
- int iy1 = (int)ny;
- double yf1 = ny - iy1;
- uint8_t *bp = odata;
- double lx = 0.0;
-
- for( dx=1; dx<=sw; ++dx ) {
- int ix0 = (int)lx;
- double xf0 = lx - ix0;
- double nx = dx*px + 1e-99;
- int ix1 = (int)nx;
- double xf1 = nx - ix1;
- double r=0.0;
- for( y=iy0; y<=iy1; ++y ) {
- int idy = rsz * (y + ry);
- uint8_t *row = &idata[idy];
- double yw = pz;
- if( y == iy0 ) yw *= (y==iy1 ? yf1-yf0 : 1.0-yf0);
- else if( y == iy1 ) yw *= yf1;
- if( yw <= 0.0 ) continue;
- for( x=ix0; x<=ix1; ++x ) {
- double xyw = yw;
- if( x == ix0 ) xyw *= (x==ix1 ? xf1-xf0 : 1.0-xf0);
- else if( x == ix1 ) xyw *= xf1;
- if( xyw <= 0.0 ) continue;
- int idx = ibpp*(x + rx);
- uint8_t *cp = &row[idx];
- r += cp[0]*xyw;
- }
- }
- *bp++ = r + 0.5;
- xf0 = xf1;
- lx = nx;
- }
- yf0 = yf1;
- ly = ny;
- }
-}
-
-void write_pbm(uint8_t *tp, int w, int h, const char *fmt, ...)
-{
- va_list ap; va_start(ap, fmt);
- char fn[256]; vsnprintf(fn, sizeof(fn), fmt, ap);
- va_end(ap);
- FILE *fp = !strcmp(fn,"-") ? stdout : fopen(fn,"w");
- if( fp ) {
- fprintf(fp,"P5\n%d %d\n255\n",w,h);
- fwrite(tp,w,h,fp);
- fclose(fp);
- }
-}
-
-#endif
-
-int main(int ac,char **av)
-{
- Window w, root;
- Display *display;
- GC gc;
- XGCValues gcv;
- XEvent xev;
- XImage *image;
- Visual *visual;
- Screen *screen;
- Atom aMsg;
- char *pixels;
- int n, depth, depthfactor;
- int client_msg;
-
- setbuf(stdout,NULL);
- if( db.open(av[1]) ) {
- fprintf(stderr,"cant open db: %s\n",av[1]);
- exit(1);
- }
- int clip_id = atoi(av[2]);
- if( db.clip_set.FindId(clip_id) ) {
- printf("cant open clip %d\n",clip_id);
- exit(1);
- }
- double framerate = db.clip_set.Framerate();
- int ret = TimelineLoc::ikey_Sequences(db.timeline,clip_id,0).Locate();
- if( ret || clip_id != (int)db.timeline.Clip_id() ) {
- printf("cant access timeline of clip %d\n",clip_id);
- exit(1);
- }
- int frame_no = 0, frame_id = -1;
- uint8_t *dat = 0;
-
- display = XOpenDisplay(NULL);
- if( display == NULL ) {
- fprintf(stderr,"cant open display\n");
- exit(1);
- }
-
- root = RootWindow(display,0);
- screen = DefaultScreenOfDisplay(display);
- depth = DefaultDepthOfScreen(screen);
- visual = DefaultVisualOfScreen(screen);
- client_msg = 0;
-
- switch( visual->c_class ) {
- case TrueColor:
- depthfactor = 4;
- break;
- default:
- fprintf(stderr,"bad visual class %d\n",visual->c_class);
- exit(1);
- }
-
- w = XCreateSimpleWindow(display, root, 0, 0, WIDTH, HEIGHT,
- 0, 0, WhitePixelOfScreen(screen));
-
- pixels = (char *) malloc(HEIGHT*WIDTH*depthfactor);
- image = XCreateImage( display, visual, depth, ZPixmap, 0,
- pixels, WIDTH, HEIGHT, 8, WIDTH*depthfactor);
-
- XSelectInput(display, w, ExposureMask|StructureNotifyMask|ButtonPressMask);
- XMapWindow(display, w);
- XFlush(display);
- aMsg = XInternAtom(display,"dbtv",False);
- gcv.function = GXcopy;
- gcv.foreground = BlackPixelOfScreen(DefaultScreenOfDisplay(display));
- gcv.line_width = 1;
- gcv.line_style = LineSolid;
- n = GCFunction|GCForeground|GCLineWidth|GCLineStyle;
- gc = XCreateGC(display,w,n,&gcv);
- double start_time = the_time();
-
- while( done < 0 ) {
- XNextEvent(display,&xev);
- /* printf("xev.type = %d/%08x\n",xev.type,xev.xany.window); */
- switch( xev.type ) {
- case ButtonPress:
- if( xev.xbutton.window != w ) continue;
- if( xev.xbutton.button != Button1 ) {
- done = 1;
- break;
- }
- done = 0;
- break;
-
- case Expose:
- if( client_msg != 0 ) break;
- client_msg = 1; /* fall through */
- start_time = the_time();
-
- case ClientMessage:
- frame_id = db.timeline.Frame_id();
- if( db.video_frame.FindId(frame_id) ) {
- printf("cant access frame %d (id %d) in clip %d\n",
- frame_no, frame_id, clip_id); done = 1; break;
- }
- dat = db.video_frame._Frame_data();
- //write_pbm(dat, SWIDTH,SHEIGHT, "%s/f%05d.pbm",av[2], fid);
- uint8_t img[WIDTH*HEIGHT];
- scale0(dat,SWIDTH,SHEIGHT, img,WIDTH,HEIGHT);
-// scale1(dat, SWIDTH,SHEIGHT, 0,0,SWIDTH,SHEIGHT,
-// img, WIDTH, HEIGHT, 0,0,WIDTH, HEIGHT);
- loadImage(0,0, image, img, WIDTH, HEIGHT);
- while( (int)(1000 * (frame_no/framerate - (the_time()-start_time))) > 0 ) {
- usleep(1000);
- }
- ++frame_no;
- XPutImage( display, w, gc, image, 0, 0, 0, 0, WIDTH, HEIGHT);
- XFlush(display);
- ret = TimelineLoc::rkey_Sequences(db.timeline).Next();
- if( ret || clip_id != (int)db.timeline.Clip_id() ) { done = 1; break; }
- clientMsg(display,w,aMsg,32);
- break;
-
- case DestroyNotify:
- done = 0;
- break;
- }
- }
-
- XCloseDisplay(display);
- return done;
-}
-
projects / goodguy / history.git / blobdiff