git.sesse.net Git - casparcg/blob - core/producer/transition/transition_producer.h

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20 #pragma once\r
  21 \r
  22 #include "../frame_producer.h"\r
  23 \r
  24 #include <common/utility/tweener.h>\r
  25 \r
  26 #include <string>\r
  27 #include <memory>\r
  28 \r
  29 namespace caspar { namespace core {\r
  30 \r
  31 struct transition\r
  32 {\r
  33         enum type\r
  34         {\r
  35 \r
  36                 cut = 1,\r
  37                 mix,\r
  38                 push,\r
  39                 slide,\r
  40                 wipe\r
  41         };\r
  42 \r
  43         static std::wstring print(type t)\r
  44         {\r
  45                 switch(t)\r
  46                 {\r
  47                 case transition::cut:   return L"cut";\r
  48                 case transition::mix:   return L"mix";\r
  49                 case transition::push:  return L"push";\r
  50                 case transition::slide: return L"slide";\r
  51                 case transition::wipe:  return L"wipe";\r
  52                 default:                                return L"";\r
  53                 }\r
  54         }\r
  55 };\r
  56 \r
  57 struct transition_direction\r
  58 {\r
  59         enum type\r
  60         {\r
  61                 from_left = 1,\r
  62                 from_right\r
  63         };\r
  64 };\r
  65 \r
  66 struct transition_info\r
  67 {\r
  68         transition_info() \r
  69                 : type(transition::cut)\r
  70                 , duration(0)\r
  71                 , direction(transition_direction::from_left)\r
  72                 , tweener(get_tweener(L"linear")){}\r
  73                 \r
  74         size_t                                          duration;\r
  75         transition_direction::type      direction;\r
  76         transition::type                        type;\r
  77         tweener_t                                       tweener;\r
  78 };\r
  79 \r
  80 safe_ptr<frame_producer> create_transition_producer(const video_format_desc& format_desc, const safe_ptr<frame_producer>& destination, const transition_info& info);\r
  81 \r
  82 }}