libmve/mve_main.c

   1 /* $Id: mve_main.c,v 1.2 2003-02-19 00:42:40 btb Exp $ */
   2
   3 #ifdef HAVE_CONFIG_H
   4 #include <conf.h>
   5 #endif
   6
   7 #include <string.h>
   8 #include <sys/types.h>
   9 #include <sys/stat.h>
  10 #include <fcntl.h>
  11 #include <unistd.h>
  12
  13 #include <SDL.h>
  14
  15 #include "mvelib.h"
  16
  17 #define SWAPINT(x)   (((x)<<24) | (((unsigned int)(x)) >> 24) | (((x) &0x0000ff00) << 8) | (((x) & 0x00ff0000) >> 8))
  18
  19 #define MAX_FILES 256
  20
  21 extern int g_spdFactorNum;
  22 extern int g_sdlVidFlags;
  23 extern int g_loop;
  24
  25 void initializeMovie(MVESTREAM *mve);
  26 void playMovie(MVESTREAM *mve);
  27 void shutdownMovie(MVESTREAM *mve);
  28
  29 static void usage(void)
  30 {
  31     fprintf(stderr, "usage: mveplay [-f] [-l] [-s <n>] [<mvlfile>] <filename>\n"
  32                         "-f\tFullscreen mode\n"
  33                         "-s\tSpeed Factor <n>\n"
  34                         );
  35     exit(1);
  36 }
  37
  38 static int doPlay(int filehandle)
  39 {
  40     MVESTREAM *mve = mve_open_filehandle(filehandle);
  41     if (mve == NULL) {
  42         fprintf(stderr, "can't open MVE file\n");
  43                 exit(1);
  44         }
  45
  46     initializeMovie(mve);
  47     playMovie(mve);
  48     shutdownMovie(mve);
  49
  50     mve_close_filehandle(mve);
  51
  52     return 1;
  53 }
  54
  55 int main(int argc, char *argv[])
  56 {
  57         int i, filehandle;
  58         char *mvlfile = NULL, *mvefile = NULL;
  59
  60         for (i = 1; i < argc; i++) {
  61                 if (!strcmp(argv[i], "-h"))
  62                         usage();
  63
  64                 if (!strcmp(argv[i], "-f"))
  65                         g_sdlVidFlags |= SDL_FULLSCREEN;
  66
  67                 if (!strcmp(argv[i], "-l"))
  68                         g_loop = 1;
  69
  70                 if (!strcmp(argv[i], "-s")) {
  71                         if (argc < i + 2)
  72                                 usage();
  73                         g_spdFactorNum = atoi(argv[i + 1]);
  74                         i++;
  75                 }
  76
  77                 if (strchr(argv[i], '.') && !strcasecmp(strchr(argv[i], '.'), ".mvl"))
  78                         mvlfile = argv[i];
  79
  80                 if (strchr(argv[i], '.') && !strcasecmp(strchr(argv[i], '.'), ".mve"))
  81                         mvefile = argv[i];
  82         }
  83
  84         if (mvlfile) {
  85                 int nfiles;
  86                 char filename[MAX_FILES][13];
  87                 int filesize[MAX_FILES];
  88                 char sig[4];
  89
  90 #ifdef O_BINARY
  91                 filehandle = open(mvlfile, O_RDONLY | O_BINARY);
  92 #else
  93                 filehandle = open(mvlfile, O_RDONLY);
  94 #endif
  95                 if (filehandle == -1) {
  96                         fprintf(stderr, "Error opening %s\n", mvlfile);
  97                         exit(1);
  98                 }
  99                 if ((read(filehandle, sig, 4) < 4) ||
 100                         (strncmp(sig, "DMVL", 4)) ||
 101                         (read(filehandle, &nfiles, 4) < 4)) {
 102                         fprintf(stderr, "Error reading %s\n", mvlfile);
 103                         exit(1);
 104                 }
 105 #ifdef WORDS_BIGENDIAN
 106                 nfiles = SWAPINT(nfiles);
 107 #endif
 108                 if (nfiles > MAX_FILES) {
 109                         fprintf(stderr, "Error reading %s: nfiles = %d, MAX_FILES = %d\n",
 110                                         mvlfile, nfiles, MAX_FILES);
 111                 }
 112                 for (i = 0; i < nfiles; i++) {
 113                         if ((read(filehandle, filename[i], 13) < 13) ||
 114                                 (read(filehandle, &filesize[i], 4) < 4) ||
 115                                 (strlen(filename[i]) > 12))     {
 116                                 fprintf(stderr, "Error reading %s\n", mvlfile);
 117                                 exit(1);
 118                         }
 119 #ifdef WORDS_BIGENDIAN
 120                         filesize[i] = SWAPINT(filesize[i]);
 121 #endif
 122                 }
 123
 124                 for (i = 0; i < nfiles; i++) {
 125                         if (mvefile) {
 126                                 if (!strcasecmp(filename[i], mvefile))
 127                                         break;
 128                                 else
 129                                         lseek(filehandle, filesize[i], SEEK_CUR);
 130                         } else
 131                                 printf("%13s\t%d\n", filename[i], filesize[i]);
 132                 }
 133                 if (!mvefile)
 134                         exit(0);
 135
 136         } else if (mvefile) {
 137 #ifdef O_BINARY
 138                 filehandle = open(mvefile, O_RDONLY | O_BINARY);
 139 #else
 140                 filehandle = open(mvefile, O_RDONLY);
 141 #endif
 142         } else
 143                 usage();
 144
 145     if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
 146     {
 147         fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
 148         exit(1);
 149     }
 150     atexit(SDL_Quit);
 151
 152         doPlay(filehandle);
 153
 154         return 0;
 155 }