/* *	fbmngplay - fb console MNG player. *	(c) 2001-2002 by Stefan Reinauer, <stepan@suse.de> *   *	This program is based on mngplay, written and (C) by *	Ralph Giles <giles@ashlu.bc.ca> * *	This program my be redistributed under the terms of the *	GNU General Public Licence, version 2, or at your preference, *	any later version. */#include <unistd.h>#include <fcntl.h>#include <getopt.h>#include <sys/mman.h>#include <sys/ioctl.h>#include <linux/fb.h>#include <signal.h>#include "fbmngplay.h"#include "messages.h"#include "console.h"#include "mng.h"volatile int run = 1;int verbose = 0;int buffered = 0;int waitsignal = 0;int delta = 16;int sconly = 0;/* * Signal handlers */void sigint_handler(int sig){	if (waitsignal)		return;	run = 2;}void sigterm_handler(int sig){	if (waitsignal)		return;	restore_area();	run = 0;}void sigusr1_handler(int sig){	signal(SIGUSR1, SIG_IGN);	run = 0;}/* * Main loop */int main(int argc, char *argv[]){	int fbdev, c, option_index;	unsigned int alpha;	struct fb_var_screeninfo var;	struct fb_fix_screeninfo fix;	/* Check which console we're running on */	init_consoles();	/* allocate our stream data structure */	mng = (mngstuff *) calloc(1, sizeof(*mng));	if (mng == NULL) {		fprintf(stderr, "could not allocate stream structure.\n");		exit(0);	}	alpha = 100;	mng->alpha = 100;	mng->fbx = 15;	mng->fby = 15;	mng->background = NULL;	while (1) {		static struct option long_options[] = {			{"help", 0, 0, 'h'},			{"verbose", 0, 0, 'v'},			{"alpha", 1, 0, 'a'},			{"buffered", 0, 0, 'b'},			{"signal", 0, 0, 's'},			{"delta", 0, 0, 'd'},			{"version", 0, 0, 'V'},			{"start-console", 0, 0, 'S'},			{"console", 1, 0, 'c'},			{0, 0, 0, 0}		};		c = getopt_long(argc, argv, "a:x:y:bh?vsd:VSc:",				long_options, &option_index);		if (c == -1)			break;		switch (c) {		case 'a':			alpha = atoi(optarg);			if (alpha > 100)				alpha = 100;			mng->alpha = alpha;			break;		case 'x':			mng->fbx = atoi(optarg);			break;		case 'y':			mng->fby = atoi(optarg);			break;		case 'd':			delta = atoi(optarg);			break;		case '?':		case 'h':			usage(argv[0]);			exit(0);		case 'v':			verbose = 1;			break;		case 's':			waitsignal = 1;			break;		case 'b':			buffered = 1;			break;		case 'V':			version();			exit(0);		case 'c':			start_console = atoi(optarg) - 1;		case 'S':			sconly = 1;			break;		default:			break;		}	}#if 0	if (!output && optind >= argc) {#else	if (optind >= argc) {#endif		printf("Which files do you want to play?\n");		exit(0);	}	/* Initialize framebuffer */	fbdev = open("/dev/fb0", O_RDWR);	if (fbdev < 0) {		fprintf(stderr, "error while opening framebuffer.\n");		exit(fbdev);	}	ioctl(fbdev, FBIOGET_VSCREENINFO, &var);	mng->fbwidth = var.xres;	mng->fbheight = var.yres;	mng->fbbpp = var.bits_per_pixel;	mng->fbredo = var.red.offset;	mng->fbgreeno = var.green.offset;	mng->fbblueo = var.blue.offset;	mng->fbredl = var.red.length;	mng->fbgreenl = var.green.length;	mng->fbbluel = var.blue.length;	/* Display might have a line length unequal	 * the visible line.	 */	ioctl(fbdev, FBIOGET_FSCREENINFO, &fix);	mng->fbrow = fix.line_length;	mng->display =	    mmap(NULL, mng->fbrow * mng->fbheight,		 PROT_WRITE | PROT_READ, MAP_SHARED, fbdev, 0);#if 0	if (output)		prepare_output();#endif	/* arrange to call the shutdown routine before we exit */	atexit(&cleanup);	while (optind < argc) {		/* leftover arguements are filenames. */		mng->filename = argv[optind++];		/* set up the mng decoder for our stream */		mng->mng =		    mng_initialize(mng, mngalloc, mngfree, MNG_NULL);		if (mng->mng == MNG_NULL) {			fprintf(stderr, "could not initialize libmng.\n");			exit(1);		}		/* set the callbacks */		mng_setcb_errorproc(mng->mng, mngerror);		mng_setcb_openstream(mng->mng, mngopenstream);		mng_setcb_closestream(mng->mng, mngclosestream);		mng_setcb_readdata(mng->mng, mngreadstream);		mng_setcb_gettickcount(mng->mng, mnggetticks);		mng_setcb_settimer(mng->mng, mngsettimer);		mng_setcb_processheader(mng->mng, mngprocessheader);		mng_setcb_getcanvasline(mng->mng, mnggetcanvasline);		mng_setcb_refresh(mng->mng, mngrefresh);		signal(SIGINT, sigint_handler);		signal(SIGTERM, sigterm_handler);		mng_readdisplay(mng->mng);		/* loop though the frames */		while (mng->delay && run) {			usleep(mng->delay * 1000);			mng->delay = 0;			mng_display_resume(mng->mng);			if (run == 2) {				if (mng->alpha == 0)					run = 0;				mng->alpha -= delta;				if (mng->alpha < 0)					mng->alpha = 0;			}		}		if (waitsignal && optind < argc) {			signal(SIGUSR1, sigusr1_handler);			run = 1;			while (run) {				sleep(2);			}		}		memset(mng->copybuffer, 0, 4 * mng->width * mng->height);		run = 1;		mng->alpha = alpha;		if (optind == argc) {	/* last file */			restore_area();		}	}	/* cleanup and quit */	return mngquit(mng->mng);}