src/lib/types.cc

   1 /*
   2     Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "types.h"
  22 #include "compose.hpp"
  23 #include "dcpomatic_assert.h"
  24 #include <dcp/raw_convert.h>
  25 #include <dcp/cpl.h>
  26 #include <dcp/dcp.h>
  27 #include <dcp/reel_mxf.h>
  28 #include <dcp/reel_asset.h>
  29 #include <libxml++/libxml++.h>
  30 #include <libcxml/cxml.h>
  31 #include <boost/foreach.hpp>
  32
  33 #include "i18n.h"
  34
  35 using std::max;
  36 using std::min;
  37 using std::string;
  38 using std::list;
  39 using boost::shared_ptr;
  40 using dcp::raw_convert;
  41
  42 bool operator== (Crop const & a, Crop const & b)
  43 {
  44         return (a.left == b.left && a.right == b.right && a.top == b.top && a.bottom == b.bottom);
  45 }
  46
  47 bool operator!= (Crop const & a, Crop const & b)
  48 {
  49         return !(a == b);
  50 }
  51
  52 /** @param r Resolution.
  53  *  @return Untranslated string representation.
  54  */
  55 string
  56 resolution_to_string (Resolution r)
  57 {
  58         switch (r) {
  59         case RESOLUTION_2K:
  60                 return "2K";
  61         case RESOLUTION_4K:
  62                 return "4K";
  63         }
  64
  65         DCPOMATIC_ASSERT (false);
  66         return "";
  67 }
  68
  69
  70 Resolution
  71 string_to_resolution (string s)
  72 {
  73         if (s == "2K") {
  74                 return RESOLUTION_2K;
  75         }
  76
  77         if (s == "4K") {
  78                 return RESOLUTION_4K;
  79         }
  80
  81         DCPOMATIC_ASSERT (false);
  82         return RESOLUTION_2K;
  83 }
  84
  85 Crop::Crop (shared_ptr<cxml::Node> node)
  86 {
  87         left = node->number_child<int> ("LeftCrop");
  88         right = node->number_child<int> ("RightCrop");
  89         top = node->number_child<int> ("TopCrop");
  90         bottom = node->number_child<int> ("BottomCrop");
  91 }
  92
  93 void
  94 Crop::as_xml (xmlpp::Node* node) const
  95 {
  96         node->add_child("LeftCrop")->add_child_text (raw_convert<string> (left));
  97         node->add_child("RightCrop")->add_child_text (raw_convert<string> (right));
  98         node->add_child("TopCrop")->add_child_text (raw_convert<string> (top));
  99         node->add_child("BottomCrop")->add_child_text (raw_convert<string> (bottom));
 100 }
 101
 102 TextType
 103 string_to_text_type (string s)
 104 {
 105         if (s == "unknown") {
 106                 return TEXT_UNKNOWN;
 107         } else if (s == "open-subtitle") {
 108                 return TEXT_OPEN_SUBTITLE;
 109         } else if (s == "closed-caption") {
 110                 return TEXT_CLOSED_CAPTION;
 111         } else {
 112                 throw MetadataError (String::compose ("Unknown text type %1", s));
 113         }
 114 }
 115
 116 string
 117 text_type_to_string (TextType t)
 118 {
 119         switch (t) {
 120         case TEXT_UNKNOWN:
 121                 return "unknown";
 122         case TEXT_OPEN_SUBTITLE:
 123                 return "open-subtitle";
 124         case TEXT_CLOSED_CAPTION:
 125                 return "closed-caption";
 126         default:
 127                 DCPOMATIC_ASSERT (false);
 128         }
 129 }
 130
 131 string
 132 text_type_to_name (TextType t)
 133 {
 134         switch (t) {
 135         case TEXT_UNKNOWN:
 136                 return _("Timed text");
 137         case TEXT_OPEN_SUBTITLE:
 138                 return _("Open subtitles");
 139         case TEXT_CLOSED_CAPTION:
 140                 return _("Closed captions");
 141         default:
 142                 DCPOMATIC_ASSERT (false);
 143         }
 144 }
 145
 146 string
 147 video_frame_type_to_string (VideoFrameType t)
 148 {
 149         switch (t) {
 150         case VIDEO_FRAME_TYPE_2D:
 151                 return "2d";
 152         case VIDEO_FRAME_TYPE_3D:
 153                 return "3d";
 154         case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
 155                 return "3d-left-right";
 156         case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
 157                 return "3d-top-bottom";
 158         case VIDEO_FRAME_TYPE_3D_ALTERNATE:
 159                 return "3d-alternate";
 160         case VIDEO_FRAME_TYPE_3D_LEFT:
 161                 return "3d-left";
 162         case VIDEO_FRAME_TYPE_3D_RIGHT:
 163                 return "3d-right";
 164         default:
 165                 DCPOMATIC_ASSERT (false);
 166         }
 167
 168         DCPOMATIC_ASSERT (false);
 169 }
 170
 171 VideoFrameType
 172 string_to_video_frame_type (string s)
 173 {
 174         if (s == "2d") {
 175                 return VIDEO_FRAME_TYPE_2D;
 176         } else if (s == "3d") {
 177                 return VIDEO_FRAME_TYPE_3D;
 178         } else if (s == "3d-left-right") {
 179                 return VIDEO_FRAME_TYPE_3D_LEFT_RIGHT;
 180         } else if (s == "3d-top-bottom") {
 181                 return VIDEO_FRAME_TYPE_3D_TOP_BOTTOM;
 182         } else if (s == "3d-alternate") {
 183                 return VIDEO_FRAME_TYPE_3D_ALTERNATE;
 184         } else if (s == "3d-left") {
 185                 return VIDEO_FRAME_TYPE_3D_LEFT;
 186         } else if (s == "3d-right") {
 187                 return VIDEO_FRAME_TYPE_3D_RIGHT;
 188         }
 189
 190         DCPOMATIC_ASSERT (false);
 191 }
 192
 193 CPLSummary::CPLSummary (boost::filesystem::path p)
 194         : dcp_directory (p.leaf().string())
 195 {
 196         dcp::DCP dcp (p);
 197         list<dcp::VerificationNote> notes;
 198         dcp.read (&notes);
 199         if (!notes.empty()) {
 200                 throw dcp::ReadError(dcp::note_to_string(notes.front()));
 201         }
 202
 203         cpl_id = dcp.cpls().front()->id();
 204         cpl_annotation_text = dcp.cpls().front()->annotation_text();
 205         cpl_file = dcp.cpls().front()->file().get();
 206
 207         encrypted = false;
 208         BOOST_FOREACH (shared_ptr<dcp::CPL> j, dcp.cpls()) {
 209                 BOOST_FOREACH (shared_ptr<const dcp::ReelMXF> k, j->reel_mxfs()) {
 210                         if (k->key_id()) {
 211                                 encrypted = true;
 212                         }
 213                 }
 214         }
 215
 216         last_write_time = boost::filesystem::last_write_time (p);
 217 }