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 <iostream>
  21 #include <cstdlib>
  22 #include <boost/filesystem.hpp>
  23 #include <getopt.h>
  24 #include "dcp.h"
  25 #include "exceptions.h"
  26 #include "reel.h"
  27 #include "sound_mxf.h"
  28 #include "picture_mxf.h"
  29 #include "subtitle_content.h"
  30 #include "reel_picture_asset.h"
  31 #include "reel_sound_asset.h"
  32 #include "reel_subtitle_asset.h"
  33 #include "subtitle_string.h"
  34 #include "cpl.h"
  35
  36 using std::string;
  37 using std::cerr;
  38 using std::cout;
  39 using std::list;
  40 using boost::shared_ptr;
  41 using namespace dcp;
  42
  43 static void
  44 help (string n)
  45 {
  46         cerr << "Syntax: " << n << " [options] <DCP>\n"
  47              << "  -s, --subtitles   list all subtitles\n"
  48              << "  -k, --keep-going  carry on in the event of errors, if possible\n";
  49 }
  50
  51 static void
  52 main_picture (shared_ptr<Reel> reel)
  53 {
  54         if (reel->main_picture() && reel->main_picture()->mxf()) {
  55                 cout << "      Picture:  "
  56                      << reel->main_picture()->mxf()->size().width
  57                      << "x"
  58                      << reel->main_picture()->mxf()->size().height << "\n";
  59         }
  60 }
  61
  62 static void
  63 main_sound (shared_ptr<Reel> reel)
  64 {
  65         if (reel->main_sound() && reel->main_sound()->mxf()) {
  66                 cout << "      Sound:    "
  67                      << reel->main_sound()->mxf()->channels()
  68                      << " channels at "
  69                      << reel->main_sound()->mxf()->sampling_rate() << "Hz\n";
  70         }
  71 }
  72
  73 static void
  74 main_subtitle (shared_ptr<Reel> reel, bool list_subtitles)
  75 {
  76         if (!reel->main_subtitle()) {
  77                 return;
  78         }
  79
  80         list<shared_ptr<SubtitleString> > subs = reel->main_subtitle()->subtitle_content()->subtitles ();
  81         cout << "      Subtitle: " << subs.size() << " subtitles in " << reel->main_subtitle()->subtitle_content()->language() << "\n";
  82         if (list_subtitles) {
  83                 for (list<shared_ptr<SubtitleString> >::const_iterator k = subs.begin(); k != subs.end(); ++k) {
  84                         cout << "        " << (*k)->text() << "\n";
  85                         cout << "          "
  86                              << "font:" << (*k)->font() << "; "
  87                              << "italic:" << (*k)->italic() << "; "
  88                              << "color:" << (*k)->color() << "; "
  89                              << "in:" << (*k)->in() << "; "
  90                              << "out:" << (*k)->out() << "; "
  91                              << "v_position:" << (*k)->v_position() << "; "
  92                              << "v_align:" << (*k)->v_align() << "; "
  93                              << "effect:" << (*k)->effect() << "; "
  94                              << "effect_color:" << (*k)->effect_color() << "; "
  95                              << "fade_up_time:" << (*k)->fade_up_time() << "; "
  96                              << "fade_down_time:" << (*k)->fade_down_time() << "; "
  97                              << "size: " << (*k)->size() << "\n";
  98                 }
  99         }
 100 }
 101
 102 int
 103 main (int argc, char* argv[])
 104 {
 105         bool subtitles = false;
 106         bool keep_going = false;
 107
 108         int option_index = 0;
 109         while (1) {
 110                 static struct option long_options[] = {
 111                         { "version", no_argument, 0, 'v'},
 112                         { "help", no_argument, 0, 'h'},
 113                         { "subtitles", no_argument, 0, 's'},
 114                         { "keep-going", no_argument, 0, 'k'},
 115                         { 0, 0, 0, 0 }
 116                 };
 117
 118                 int c = getopt_long (argc, argv, "vhsk", long_options, &option_index);
 119
 120                 if (c == -1) {
 121                         break;
 122                 }
 123
 124                 switch (c) {
 125                 case 'v':
 126                         cout << "dcpdiff version " << LIBDCP_VERSION << "\n";
 127                         exit (EXIT_SUCCESS);
 128                 case 'h':
 129                         help (argv[0]);
 130                         exit (EXIT_SUCCESS);
 131                 case 's':
 132                         subtitles = true;
 133                         break;
 134                 case 'k':
 135                         keep_going = true;
 136                         break;
 137                 }
 138         }
 139
 140         if (argc <= optind || argc > (optind + 1)) {
 141                 help (argv[0]);
 142                 exit (EXIT_FAILURE);
 143         }
 144
 145         if (!boost::filesystem::exists (argv[optind])) {
 146                 cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
 147                 exit (EXIT_FAILURE);
 148         }
 149
 150         DCP* dcp = 0;
 151         list<shared_ptr<DCPReadError> > errors;
 152         try {
 153                 dcp = new DCP (argv[optind]);
 154                 dcp->read (keep_going, &errors);
 155         } catch (FileError& e) {
 156                 cerr << "Could not read DCP " << argv[optind] << "; " << e.what() << "\n";
 157                 exit (EXIT_FAILURE);
 158         } catch (DCPReadError& e) {
 159                 cerr << "Could not read DCP " << argv[optind] << "; " << e.what() << "\n";
 160                 exit (EXIT_FAILURE);
 161         }
 162
 163         cout << "DCP: " << boost::filesystem::path(argv[optind]).filename().string() << "\n";
 164
 165         for (list<shared_ptr<DCPReadError> >::const_iterator i = errors.begin(); i != errors.end(); ++i) {
 166                 cerr << "Error: " << (*i)->what() << "\n";
 167         }
 168
 169         list<shared_ptr<CPL> > cpls = dcp->cpls ();
 170
 171         for (list<shared_ptr<CPL> >::iterator i = cpls.begin(); i != cpls.end(); ++i) {
 172                 cout << "  CPL: " << (*i)->annotation_text() << "\n";
 173
 174                 list<shared_ptr<Reel> > reels = (*i)->reels ();
 175
 176                 int R = 1;
 177                 for (list<shared_ptr<Reel> >::const_iterator j = reels.begin(); j != reels.end(); ++j) {
 178                         cout << "    Reel " << R << "\n";
 179
 180                         try {
 181                                 main_picture (*j);
 182                         } catch (UnresolvedRefError& e) {
 183                                 if (keep_going) {
 184                                         cerr << e.what() << " (for main picture)\n";
 185                                 } else {
 186                                         throw;
 187                                 }
 188                         }
 189
 190                         try {
 191                                 main_sound (*j);
 192                         } catch (UnresolvedRefError& e) {
 193                                 if (keep_going) {
 194                                         cerr << e.what() << " (for main sound)\n";
 195                                 } else {
 196                                         throw;
 197                                 }
 198                         }
 199
 200                         try {
 201                                 main_subtitle (*j, subtitles);
 202                         } catch (UnresolvedRefError& e) {
 203                                 if (keep_going) {
 204                                         cerr << e.what() << " (for main subtitle)\n";
 205                                 } else {
 206                                         throw;
 207                                 }
 208                         }
 209
 210                         ++R;
 211                 }
 212         }
 213
 214         return 0;
 215 }