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* gnutime/gnuavi test program - Xt frontend
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* Copyright (C) 1998 Rasca, Berlin
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#include <X11/Intrinsic.h>
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#include <X11/Shell.h>
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#include <X11/StringDefs.h>
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#ifdef HasSharedMemory
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#include <X11/extensions/XShm.h>
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static void x_fini(void);
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static XtAppContext gAppCont;
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static Widget gTop, gVid;
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static String fallback[] = {
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"*translations: #override \\n\\"
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" <Key>Q: quit() \\n\\"
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" <Key>P: play() \\n\\"
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" <Key>S: stop() \\n",
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int loop; /* flag if looping is on */
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int depth; /* display bits per pixel */
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* called if "q" was pressed
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action_quit (Widget w, XEvent *ev, String *parms, Cardinal *num_parms)
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action_stop (Widget w, XEvent *ev, String *parms, Cardinal *num_parms)
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printf ("stop() not done ..\n");
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action_play (Widget w, XEvent *ev, String *parms, Cardinal *num_parms)
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printf ("play() not done..\n");
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static XtActionsRec action_tab[] = {
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{"stop", action_stop},
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{"play", action_play},
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{"quit", action_quit},
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evh_exit (Widget w, XtPointer xtp, XEvent *ev, Boolean *boo)
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if ((ev->type == ClientMessage) &&
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(ev->xclient.format == 32) &&
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(ev->xclient.data.l[0] == *((Atom*)xtp)))
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x_play_sound (XtPointer xtp, XtIntervalId *id)
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* returns time in mili secs
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struct timeval curr_time;
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gettimeofday (&curr_time, NULL);
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return ((curr_time.tv_sec * 1000L + curr_time.tv_usec / 1000L)&0x7FFFFF);
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* time callback procedure to display a frame
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x_display_frame (XtPointer xtp, XtIntervalId *id)
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app *ap = (app *)xtp;
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video *vid = ap->vid;
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XImage *ximage = ap->ximage;
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char *buf = ap->image;
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unsigned char *snd_buf;
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int todo = 1, snd_size =0;
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ap->time_ms = time_ms();
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/* printf (" -t %ld %ld\n", ap->time_ms, time); */
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switch (vid_next_in(vid)) {
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if (!vid_get_frame (vid, buf)) {
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XtAppAddTimeOut (gAppCont, vid->tpf, x_display_frame, ap);
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/* printf (" -f\n"); */
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if (vid_get_sound (vid, &snd_buf, &snd_size)) {
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snd_play_data (snd_buf, snd_size, 0);
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/* printf (" -s snd_size=%d\n", snd_size); */
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XtAppAddTimeOut (gAppCont, vid->tpf, x_display_frame, ap);
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#ifdef HasSharedMemory
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XShmPutImage (XtDisplay(gTop), XtWindow(ap->widget), ap->gc, ximage,
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0, 0, 0, 0, vid->width, vid->height, True);
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XPutImage (XtDisplay(gTop), XtWindow(ap->widget), ap->gc, ximage,
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0, 0, 0, 0, vid->width, vid->height);
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time = vid->tpf - (time_ms() - time) ;
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/* printf (" -t %ld\n", time); */
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if (vid->tpf + time < 0)
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vid_skip_frame (vid);
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printf ("x_display_frame() time=%ld tpf=%d\n", time, vid->tpf);
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XtAppAddTimeOut (gAppCont, time, x_display_frame, ap);
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x_init (int *argc, char **argv)
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gTop = XtVaAppInitialize (&gAppCont, "XMplay", NULL, 0,
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argc, argv, fallback, XtNinput, True, NULL);
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XtAppAddActions (gAppCont,
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action_tab, sizeof(action_tab)/sizeof(XtActionsRec));
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x_main (int width, int height)
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gVid = XtVaCreateManagedWidget ("xvid", coreWidgetClass, gTop,
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XtNwidth, width, XtNheight, height, NULL);
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XtRealizeWidget (gTop);
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wm_del = XInternAtom (XtDisplay(gTop), "WM_DELETE_WINDOW", False);
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XSetWMProtocols (XtDisplay(gTop), XtWindow(gTop), &wm_del, 1);
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XtAddEventHandler (gTop, NoEventMask, True, evh_exit, &wm_del);
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static XShmSegmentInfo shminfo;
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x_loop (video *vid, int use_shm, int loop, int use_snd)
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Screen *screen = XtScreen (gTop);
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Display *dpy = XtDisplay(gTop);
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Visual *vis = DefaultVisualOfScreen (screen);
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#ifdef HasSharedMemory
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use_shm = XShmQueryExtension(dpy);
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ap.depth = DefaultDepthOfScreen (screen);
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ap.gc = XCreateGC (dpy, XtWindow(ap.widget), 0, NULL);
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#ifdef HasSharedMemory
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ap.ximage =XShmCreateImage (dpy, vis, ap.depth, ZPixmap, NULL,
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&shminfo, vid->width, vid->height);
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ap.image = XtMalloc (vid->width * vid->height * 4 /* ap.bpp / 8*/);
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ap.ximage =XCreateImage (dpy, vis,
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ap.depth, ZPixmap, 0, ap.image, vid->width, vid->height,
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fprintf (stderr, "Can't create XImage!\n");
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pad = ap.ximage->bytes_per_line -
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ap.ximage->width * ap.ximage->bits_per_pixel / 8 ;
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printf (" ximage bytes /p line = %d\n", ap.ximage->bytes_per_line);
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printf (" bpp = %d\n", ap.ximage->bits_per_pixel);
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printf (" depth = %d\n", ap.ximage->depth);
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printf (" pad = %d\n", pad);
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switch (ap.ximage->depth) {
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codec = VV_COD_RGB555;
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codec = VV_COD_RGB565;
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codec = VV_COD_RGB888;
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printf ("visual not supported\n");
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vid_set_video_parms (vid, codec, pad);
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#ifdef HasSharedMemory
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shminfo.shmid = shmget (IPC_PRIVATE,
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vid->width * vid->height * 4 /* (ap.bpp/8)*/,
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if (shminfo.shmid == -1) {
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shminfo.shmaddr = ap.image = shmat (shminfo.shmid, 0, 0);
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shminfo.readOnly = False;
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ap.ximage->data = shminfo.shmaddr;
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if (XShmAttach (dpy, &shminfo) == 0) {
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perror ("XShmAttach()");
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ap.use_shm = use_shm;
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ap.use_snd = use_snd;
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ap.time_ms = time_ms();
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XtAppAddTimeOut (gAppCont, 1, x_play_sound, &ap);
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XtAppAddTimeOut (gAppCont, 2, x_display_frame, &ap);
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XtAppMainLoop(gAppCont);
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#ifdef HasSharedMemory
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XShmDetach (XtDisplay(gTop), &shminfo);
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shmdt (shminfo.shmaddr);
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shmctl (shminfo.shmid, IPC_RMID, 0);
added
removed
gt/xt.c
