src/lib/types.cc

   1 /*
   2     Copyright (C) 2013-2018 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 <libxml++/libxml++.h>
  26 #include <libcxml/cxml.h>
  27
  28 #include "i18n.h"
  29
  30 using std::max;
  31 using std::min;
  32 using std::string;
  33 using boost::shared_ptr;
  34 using dcp::raw_convert;
  35
  36 bool operator== (Crop const & a, Crop const & b)
  37 {
  38         return (a.left == b.left && a.right == b.right && a.top == b.top && a.bottom == b.bottom);
  39 }
  40
  41 bool operator!= (Crop const & a, Crop const & b)
  42 {
  43         return !(a == b);
  44 }
  45
  46 /** @param r Resolution.
  47  *  @return Untranslated string representation.
  48  */
  49 string
  50 resolution_to_string (Resolution r)
  51 {
  52         switch (r) {
  53         case RESOLUTION_2K:
  54                 return "2K";
  55         case RESOLUTION_4K:
  56                 return "4K";
  57         }
  58
  59         DCPOMATIC_ASSERT (false);
  60         return "";
  61 }
  62
  63
  64 Resolution
  65 string_to_resolution (string s)
  66 {
  67         if (s == "2K") {
  68                 return RESOLUTION_2K;
  69         }
  70
  71         if (s == "4K") {
  72                 return RESOLUTION_4K;
  73         }
  74
  75         DCPOMATIC_ASSERT (false);
  76         return RESOLUTION_2K;
  77 }
  78
  79 Crop::Crop (shared_ptr<cxml::Node> node)
  80 {
  81         left = node->number_child<int> ("LeftCrop");
  82         right = node->number_child<int> ("RightCrop");
  83         top = node->number_child<int> ("TopCrop");
  84         bottom = node->number_child<int> ("BottomCrop");
  85 }
  86
  87 void
  88 Crop::as_xml (xmlpp::Node* node) const
  89 {
  90         node->add_child("LeftCrop")->add_child_text (raw_convert<string> (left));
  91         node->add_child("RightCrop")->add_child_text (raw_convert<string> (right));
  92         node->add_child("TopCrop")->add_child_text (raw_convert<string> (top));
  93         node->add_child("BottomCrop")->add_child_text (raw_convert<string> (bottom));
  94 }
  95
  96 TextType
  97 string_to_caption_type (string s)
  98 {
  99         if (s == "open") {
 100                 return CAPTION_OPEN;
 101         } else if (s == "closed") {
 102                 return CAPTION_CLOSED;
 103         } else {
 104                 throw MetadataError (String::compose ("Unknown caption type %1", s));
 105         }
 106 }
 107
 108 string
 109 caption_type_to_string (TextType t)
 110 {
 111         switch (t) {
 112         case CAPTION_OPEN:
 113                 return "open";
 114         case CAPTION_CLOSED:
 115                 return "closed";
 116         default:
 117                 DCPOMATIC_ASSERT (false);
 118         }
 119 }
 120
 121 string
 122 caption_type_to_name (TextType t)
 123 {
 124         switch (t) {
 125         case CAPTION_OPEN:
 126                 return _("Subtitles");
 127         case CAPTION_CLOSED:
 128                 return _("Closed captions");
 129         default:
 130                 DCPOMATIC_ASSERT (false);
 131         }
 132 }
 133
 134 string
 135 video_frame_type_to_string (VideoFrameType t)
 136 {
 137         switch (t) {
 138         case VIDEO_FRAME_TYPE_2D:
 139                 return "2d";
 140         case VIDEO_FRAME_TYPE_3D:
 141                 return "3d";
 142         case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
 143                 return "3d-left-right";
 144         case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
 145                 return "3d-top-bottom";
 146         case VIDEO_FRAME_TYPE_3D_ALTERNATE:
 147                 return "3d-alternate";
 148         case VIDEO_FRAME_TYPE_3D_LEFT:
 149                 return "3d-left";
 150         case VIDEO_FRAME_TYPE_3D_RIGHT:
 151                 return "3d-right";
 152         default:
 153                 DCPOMATIC_ASSERT (false);
 154         }
 155
 156         DCPOMATIC_ASSERT (false);
 157 }
 158
 159 VideoFrameType
 160 string_to_video_frame_type (string s)
 161 {
 162         if (s == "2d") {
 163                 return VIDEO_FRAME_TYPE_2D;
 164         } else if (s == "3d") {
 165                 return VIDEO_FRAME_TYPE_3D;
 166         } else if (s == "3d-left-right") {
 167                 return VIDEO_FRAME_TYPE_3D_LEFT_RIGHT;
 168         } else if (s == "3d-top-bottom") {
 169                 return VIDEO_FRAME_TYPE_3D_TOP_BOTTOM;
 170         } else if (s == "3d-alternate") {
 171                 return VIDEO_FRAME_TYPE_3D_ALTERNATE;
 172         } else if (s == "3d-left") {
 173                 return VIDEO_FRAME_TYPE_3D_LEFT;
 174         } else if (s == "3d-right") {
 175                 return VIDEO_FRAME_TYPE_3D_RIGHT;
 176         }
 177
 178         DCPOMATIC_ASSERT (false);
 179 }