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 <string>\r
  25 #include <vector>\r
  26 \r
  27 namespace caspar { namespace core {\r
  28 \r
  29 enum transition_type\r
  30 {\r
  31         cut = 1,\r
  32         mix,\r
  33         push,\r
  34         slide,\r
  35         wipe\r
  36 };\r
  37 \r
  38 enum transition_direction\r
  39 {\r
  40         from_left = 1,\r
  41         from_right\r
  42 };\r
  43 \r
  44 struct transition_info\r
  45 {\r
  46         transition_info() : type(transition_type::cut), duration(0), direction(transition_direction::from_left){}\r
  47     \r
  48         size_t                                  duration;\r
  49         transition_direction    direction;\r
  50         transition_type                 type;\r
  51 };\r
  52 \r
  53 class transition_producer : public frame_producer\r
  54 {\r
  55 public:\r
  56         transition_producer(const frame_producer_ptr& destination, const transition_info& info, const frame_format_desc& fmt);\r
  57 \r
  58         gpu_frame_ptr get_frame();\r
  59 \r
  60         frame_producer_ptr get_following_producer() const;\r
  61         void set_leading_producer(const frame_producer_ptr& producer);\r
  62         const frame_format_desc& get_frame_format_desc() const;\r
  63         virtual void initialize(const frame_factory_ptr& factory);\r
  64 private:\r
  65         struct implementation;\r
  66         std::shared_ptr<implementation> impl_;\r
  67 };\r
  68 typedef std::shared_ptr<transition_producer> transition_producer_ptr;\r
  69 \r
  70 }}