tools/dcpinfo.cc

   1 /*
   2     Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include "dcp.h"
  21 #include "exceptions.h"
  22 #include "reel.h"
  23 #include "sound_mxf.h"
  24 #include "picture_mxf.h"
  25 #include "subtitle_content.h"
  26 #include "reel_picture_asset.h"
  27 #include "reel_sound_asset.h"
  28 #include "reel_subtitle_asset.h"
  29 #include "subtitle_string.h"
  30 #include "cpl.h"
  31 #include "common.h"
  32 #include <getopt.h>
  33 #include <boost/filesystem.hpp>
  34 #include <boost/foreach.hpp>
  35 #include <iostream>
  36 #include <cstdlib>
  37
  38 using std::string;
  39 using std::cerr;
  40 using std::cout;
  41 using std::list;
  42 using boost::shared_ptr;
  43 using namespace dcp;
  44
  45 static void
  46 help (string n)
  47 {
  48         cerr << "Syntax: " << n << " [options] <DCP>\n"
  49              << "  -s, --subtitles              list all subtitles\n"
  50              << "  -k, --keep-going             carry on in the event of errors, if possible\n"
  51              << "      --ignore-missing-assets  ignore missing asset files\n";
  52 }
  53
  54 static void
  55 main_picture (shared_ptr<Reel> reel)
  56 {
  57         if (reel->main_picture() && reel->main_picture()->mxf()) {
  58                 cout << "      Picture:  "
  59                      << reel->main_picture()->mxf()->size().width
  60                      << "x"
  61                      << reel->main_picture()->mxf()->size().height << "\n";
  62         }
  63 }
  64
  65 static void
  66 main_sound (shared_ptr<Reel> reel)
  67 {
  68         if (reel->main_sound() && reel->main_sound()->mxf()) {
  69                 cout << "      Sound:    "
  70                      << reel->main_sound()->mxf()->channels()
  71                      << " channels at "
  72                      << reel->main_sound()->mxf()->sampling_rate() << "Hz\n";
  73         }
  74 }
  75
  76 static void
  77 main_subtitle (shared_ptr<Reel> reel, bool list_subtitles)
  78 {
  79         if (!reel->main_subtitle()) {
  80                 return;
  81         }
  82
  83         list<SubtitleString> subs = reel->main_subtitle()->subtitle_content()->subtitles ();
  84         cout << "      Subtitle: " << subs.size() << " subtitles in " << reel->main_subtitle()->subtitle_content()->language() << "\n";
  85         if (list_subtitles) {
  86                 BOOST_FOREACH (SubtitleString const& k, subs) {
  87                         cout << k << "\n";
  88                 }
  89         }
  90 }
  91
  92 int
  93 main (int argc, char* argv[])
  94 {
  95         bool subtitles = false;
  96         bool keep_going = false;
  97         bool ignore_missing_assets = false;
  98
  99         int option_index = 0;
 100         while (1) {
 101                 static struct option long_options[] = {
 102                         { "version", no_argument, 0, 'v' },
 103                         { "help", no_argument, 0, 'h' },
 104                         { "subtitles", no_argument, 0, 's' },
 105                         { "keep-going", no_argument, 0, 'k' },
 106                         { "ignore-missing-assets", no_argument, 0, 'A' },
 107                         { 0, 0, 0, 0 }
 108                 };
 109
 110                 int c = getopt_long (argc, argv, "vhskA", long_options, &option_index);
 111
 112                 if (c == -1) {
 113                         break;
 114                 }
 115
 116                 switch (c) {
 117                 case 'v':
 118                         cout << "dcpdiff version " << LIBDCP_VERSION << "\n";
 119                         exit (EXIT_SUCCESS);
 120                 case 'h':
 121                         help (argv[0]);
 122                         exit (EXIT_SUCCESS);
 123                 case 's':
 124                         subtitles = true;
 125                         break;
 126                 case 'k':
 127                         keep_going = true;
 128                         break;
 129                 case 'A':
 130                         ignore_missing_assets = true;
 131                         break;
 132                 }
 133         }
 134
 135         if (argc <= optind || argc > (optind + 1)) {
 136                 help (argv[0]);
 137                 exit (EXIT_FAILURE);
 138         }
 139
 140         if (!boost::filesystem::exists (argv[optind])) {
 141                 cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
 142                 exit (EXIT_FAILURE);
 143         }
 144
 145         DCP* dcp = 0;
 146         DCP::ReadErrors errors;
 147         try {
 148                 dcp = new DCP (argv[optind]);
 149                 dcp->read (keep_going, &errors);
 150         } catch (FileError& e) {
 151                 cerr << "Could not read DCP " << argv[optind] << "; " << e.what() << "\n";
 152                 exit (EXIT_FAILURE);
 153         } catch (DCPReadError& e) {
 154                 cerr << "Could not read DCP " << argv[optind] << "; " << e.what() << "\n";
 155                 exit (EXIT_FAILURE);
 156         }
 157
 158         cout << "DCP: " << boost::filesystem::path(argv[optind]).filename().string() << "\n";
 159
 160         dcp::filter_errors (errors, ignore_missing_assets);
 161         for (DCP::ReadErrors::const_iterator i = errors.begin(); i != errors.end(); ++i) {
 162                 cerr << "Error: " << (*i)->what() << "\n";
 163         }
 164
 165         list<shared_ptr<CPL> > cpls = dcp->cpls ();
 166
 167         for (list<shared_ptr<CPL> >::iterator i = cpls.begin(); i != cpls.end(); ++i) {
 168                 cout << "  CPL: " << (*i)->annotation_text() << "\n";
 169
 170                 list<shared_ptr<Reel> > reels = (*i)->reels ();
 171
 172                 int R = 1;
 173                 for (list<shared_ptr<Reel> >::const_iterator j = reels.begin(); j != reels.end(); ++j) {
 174                         cout << "    Reel " << R << "\n";
 175
 176                         try {
 177                                 main_picture (*j);
 178                         } catch (UnresolvedRefError& e) {
 179                                 if (keep_going) {
 180                                         if (!ignore_missing_assets) {
 181                                                 cerr << e.what() << " (for main picture)\n";
 182                                         }
 183                                 } else {
 184                                         throw;
 185                                 }
 186                         }
 187
 188                         try {
 189                                 main_sound (*j);
 190                         } catch (UnresolvedRefError& e) {
 191                                 if (keep_going) {
 192                                         if (!ignore_missing_assets) {
 193                                                 cerr << e.what() << " (for main sound)\n";
 194                                         }
 195                                 } else {
 196                                         throw;
 197                                 }
 198                         }
 199
 200                         try {
 201                                 main_subtitle (*j, subtitles);
 202                         } catch (UnresolvedRefError& e) {
 203                                 if (keep_going) {
 204                                         if (!ignore_missing_assets) {
 205                                                 cerr << e.what() << " (for main subtitle)\n";
 206                                         }
 207                                 } else {
 208                                         throw;
 209                                 }
 210                         }
 211
 212                         ++R;
 213                 }
 214         }
 215
 216         return 0;
 217 }