tools/dcpinfo.cc

   1 #include <iostream>
   2 #include <cstdlib>
   3 #include <boost/filesystem.hpp>
   4 #include <getopt.h>
   5 #include "dcp.h"
   6 #include "exceptions.h"
   7 #include "reel.h"
   8 #include "sound_asset.h"
   9 #include "picture_asset.h"
  10 #include "subtitle_asset.h"
  11
  12 using namespace std;
  13 using namespace boost;
  14 using namespace libdcp;
  15
  16 static void
  17 help (string n)
  18 {
  19         cerr << "Syntax: " << n << " [options] <DCP>\n"
  20              << "  -s, --subtitles  list all subtitles\n";
  21 }
  22
  23 int
  24 main (int argc, char* argv[])
  25 {
  26         bool subtitles = false;
  27
  28         int option_index = 0;
  29         while (1) {
  30                 static struct option long_options[] = {
  31                         { "version", no_argument, 0, 'v'},
  32                         { "help", no_argument, 0, 'h'},
  33                         { "subtitles", no_argument, 0, 's'},
  34                         { 0, 0, 0, 0 }
  35                 };
  36
  37                 int c = getopt_long (argc, argv, "vhs", long_options, &option_index);
  38
  39                 if (c == -1) {
  40                         break;
  41                 }
  42
  43                 switch (c) {
  44                 case 'v':
  45                         cout << "dcpdiff version " << LIBDCP_VERSION << "\n";
  46                         exit (EXIT_SUCCESS);
  47                 case 'h':
  48                         help (argv[0]);
  49                         exit (EXIT_SUCCESS);
  50                 case 's':
  51                         subtitles = true;
  52                         break;
  53                 }
  54         }
  55
  56         if (argc <= optind || argc > (optind + 1)) {
  57                 help (argv[0]);
  58                 exit (EXIT_FAILURE);
  59         }
  60
  61         if (!filesystem::exists (argv[optind])) {
  62                 cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
  63                 exit (EXIT_FAILURE);
  64         }
  65
  66         DCP* dcp = 0;
  67         try {
  68                 dcp = new DCP (argv[optind]);
  69                 dcp->read (false);
  70         } catch (FileError& e) {
  71                 cerr << "Could not read DCP " << argv[optind] << "; " << e.what() << " " << e.filename() << "\n";
  72                 exit (EXIT_FAILURE);
  73         }
  74
  75         cout << "DCP: " << argv[optind] << "\n";
  76
  77         list<shared_ptr<const CPL> > cpls = dcp->cpls ();
  78
  79         for (list<shared_ptr<const CPL> >::iterator i = cpls.begin(); i != cpls.end(); ++i) {
  80                 cout << "  CPL: " << (*i)->name() << "\n"
  81                      << "    Length: " << (*i)->length() << "\n"
  82                      << "    Frames per second: " << (*i)->frames_per_second() << "\n";
  83
  84                 list<shared_ptr<const Reel> > reels = (*i)->reels ();
  85
  86                 int R = 1;
  87                 for (list<shared_ptr<const Reel> >::const_iterator j = reels.begin(); j != reels.end(); ++j) {
  88                         cout << "    Reel " << R << "\n";
  89
  90                         if ((*j)->main_picture()) {
  91                                 cout << "      Picture:  " << (*j)->main_picture()->width() << "x" << (*j)->main_picture()->height() << "\n";
  92                         }
  93                         if ((*j)->main_sound()) {
  94                                 cout << "      Sound:    " << (*j)->main_sound()->channels() << " channels at " << (*j)->main_sound()->sampling_rate() << "Hz\n";
  95                         }
  96                         if ((*j)->main_subtitle()) {
  97                                 list<shared_ptr<Subtitle> > subs = (*j)->main_subtitle()->subtitles ();
  98                                 cout << "      Subtitle: " << subs.size() << " subtitles in " << (*j)->main_subtitle()->language() << "\n";
  99                                 if (subtitles) {
 100                                         for (list<shared_ptr<Subtitle> >::const_iterator k = subs.begin(); k != subs.end(); ++k) {
 101                                                 cout << "        " << (*k)->text() << "\n";
 102                                         }
 103                                 }
 104                         }
 105                         ++R;
 106                 }
 107         }
 108
 109         return 0;
 110 }