git.sesse.net Git - casparcg/blob - core/producer/frame/basic_frame.cpp

   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 #include "../../stdafx.h"\r
  21 \r
  22 #include "basic_frame.h"\r
  23 \r
  24 #include "image_transform.h"\r
  25 #include "audio_transform.h"\r
  26 #include "pixel_format.h"\r
  27 #include "../../video_format.h"\r
  28 \r
  29 #include <boost/range/algorithm.hpp>\r
  30 \r
  31 namespace caspar { namespace core {\r
  32                                                                                                                                                                                                                                                                                                                 \r
  33 struct basic_frame::implementation\r
  34 {               \r
  35         std::vector<safe_ptr<basic_frame>> frames_;\r
  36 \r
  37         image_transform image_transform_;       \r
  38         audio_transform audio_transform_;\r
  39         \r
  40 public:\r
  41         implementation(const std::vector<safe_ptr<basic_frame>>& frames) \r
  42                 : frames_(frames) {}\r
  43         implementation(std::vector<safe_ptr<basic_frame>>&& frames) \r
  44                 : frames_(std::move(frames)){}\r
  45         implementation(safe_ptr<basic_frame>&& frame) \r
  46                 { frames_.push_back(std::move(frame));}\r
  47         implementation(const safe_ptr<basic_frame>& frame) \r
  48                 { frames_.push_back(frame);}\r
  49         \r
  50         void accept(basic_frame& self, frame_visitor& visitor)\r
  51         {\r
  52                 visitor.begin(self);\r
  53                 BOOST_FOREACH(auto frame, frames_)\r
  54                         frame->accept(visitor);\r
  55                 visitor.end();\r
  56         }       \r
  57 };\r
  58         \r
  59 basic_frame::basic_frame() : impl_(new implementation(std::vector<safe_ptr<basic_frame>>())){}\r
  60 basic_frame::basic_frame(const basic_frame& other) : impl_(new implementation(*other.impl_)){}\r
  61 basic_frame::basic_frame(std::vector<safe_ptr<basic_frame>>&& frames) : impl_(new implementation(frames)){}\r
  62 basic_frame::basic_frame(const safe_ptr<basic_frame>& frame) : impl_(new implementation(frame)){}\r
  63 basic_frame::basic_frame(safe_ptr<basic_frame>&& frame)  : impl_(new implementation(std::move(frame))){}\r
  64 void basic_frame::swap(basic_frame& other){impl_.swap(other.impl_);}\r
  65 basic_frame& basic_frame::operator=(const basic_frame& other)\r
  66 {\r
  67         basic_frame temp(other);\r
  68         temp.swap(*this);\r
  69         return *this;\r
  70 }\r
  71 basic_frame::basic_frame(basic_frame&& other) : impl_(std::move(other.impl_)){}\r
  72 basic_frame& basic_frame::operator=(basic_frame&& other)\r
  73 {\r
  74         basic_frame temp(std::move(other));\r
  75         temp.swap(*this);\r
  76         return *this;\r
  77 }\r
  78 void basic_frame::accept(frame_visitor& visitor){impl_->accept(*this, visitor);}\r
  79 \r
  80 const image_transform& basic_frame::get_image_transform() const { return impl_->image_transform_;}\r
  81 image_transform& basic_frame::get_image_transform() { return impl_->image_transform_;}\r
  82 const audio_transform& basic_frame::get_audio_transform() const { return impl_->audio_transform_;}\r
  83 audio_transform& basic_frame::get_audio_transform() { return impl_->audio_transform_;}\r
  84 \r
  85 safe_ptr<basic_frame> basic_frame::interlace(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2, video_mode::type mode)\r
  86 {                       \r
  87         if(frame1 == basic_frame::empty() && frame2 == basic_frame::empty())\r
  88                 return basic_frame::empty();\r
  89         \r
  90         if(frame1 == basic_frame::eof() && frame2 == basic_frame::eof())\r
  91                 return basic_frame::eof();\r
  92         \r
  93         if(frame1 == frame2 || mode == video_mode::progressive)\r
  94                 return frame2;\r
  95 \r
  96         auto my_frame1 = make_safe<basic_frame>(frame1);\r
  97         auto my_frame2 = make_safe<basic_frame>(frame2);\r
  98         if(mode == video_mode::upper)\r
  99         {\r
 100                 my_frame1->get_image_transform().set_mode(video_mode::upper);   \r
 101                 my_frame2->get_image_transform().set_mode(video_mode::lower);   \r
 102         }                                                                                        \r
 103         else                                                                             \r
 104         {                                                                                        \r
 105                 my_frame1->get_image_transform().set_mode(video_mode::lower);   \r
 106                 my_frame2->get_image_transform().set_mode(video_mode::upper);   \r
 107         }\r
 108 \r
 109         std::vector<safe_ptr<basic_frame>> frames;\r
 110         frames.push_back(my_frame1);\r
 111         frames.push_back(my_frame2);\r
 112         return basic_frame(std::move(frames));\r
 113 }\r
 114 \r
 115 safe_ptr<basic_frame> basic_frame::combine(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2)\r
 116 {\r
 117         if(frame1 == basic_frame::empty() && frame2 == basic_frame::empty())\r
 118                 return basic_frame::empty();\r
 119         \r
 120         if(frame1 == basic_frame::eof() && frame2 == basic_frame::eof())\r
 121                 return basic_frame::eof();\r
 122         \r
 123         std::vector<safe_ptr<basic_frame>> frames;\r
 124         frames.push_back(frame1);\r
 125         frames.push_back(frame2);\r
 126         return basic_frame(std::move(frames));\r
 127 }\r
 128 \r
 129 safe_ptr<basic_frame> basic_frame::fill_and_key(const safe_ptr<basic_frame>& fill, const safe_ptr<basic_frame>& key)\r
 130 {\r
 131         if(fill == basic_frame::empty() && key == basic_frame::empty())\r
 132                 return basic_frame::empty();\r
 133         \r
 134         if(fill == basic_frame::eof() && key == basic_frame::eof())\r
 135                 return basic_frame::eof();\r
 136 \r
 137         if(key == basic_frame::empty() || key == basic_frame::eof())\r
 138                 return fill;\r
 139 \r
 140         std::vector<safe_ptr<basic_frame>> frames;\r
 141         key->get_image_transform().set_is_key(true);\r
 142         frames.push_back(key);\r
 143         frames.push_back(fill);\r
 144         return basic_frame(std::move(frames));\r
 145 }\r
 146         \r
 147 }}