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 "../../video_format.h"\r
  27 \r
  28 #include <boost/foreach.hpp>\r
  29 \r
  30 namespace caspar { namespace core {\r
  31                                                                                                                                                                                                                                                                                                                 \r
  32 struct basic_frame::implementation\r
  33 {               \r
  34         std::vector<safe_ptr<basic_frame>> frames_;\r
  35 \r
  36         image_transform image_transform_;       \r
  37         audio_transform audio_transform_;\r
  38         \r
  39 public:\r
  40         implementation(const std::vector<safe_ptr<basic_frame>>& frames) : frames_(frames) \r
  41         {\r
  42         }\r
  43         implementation(std::vector<safe_ptr<basic_frame>>&& frames) : frames_(std::move(frames))\r
  44         {\r
  45         }\r
  46         implementation(safe_ptr<basic_frame>&& frame) \r
  47         {\r
  48                 frames_.push_back(std::move(frame));\r
  49         }\r
  50         implementation(const safe_ptr<basic_frame>& frame)              \r
  51         { \r
  52                 frames_.push_back(frame);\r
  53         }\r
  54         \r
  55         void accept(basic_frame& self, frame_visitor& visitor)\r
  56         {\r
  57                 visitor.begin(self);\r
  58                 BOOST_FOREACH(auto frame, frames_)\r
  59                         frame->accept(visitor);\r
  60                 visitor.end();\r
  61         }       \r
  62 \r
  63         std::wstring print() const\r
  64         {\r
  65                 std::wstring str = L"\tbasic_frame[\n";\r
  66                 BOOST_FOREACH(auto& frame, frames_)\r
  67                         str += frame->print() + L"\n";\r
  68                 str += L"\n]";\r
  69                 return str;\r
  70         }\r
  71 };\r
  72         \r
  73 basic_frame::basic_frame() : impl_(new implementation(std::vector<safe_ptr<basic_frame>>())){}\r
  74 basic_frame::basic_frame(const std::vector<safe_ptr<basic_frame>>& frames) : impl_(new implementation(frames)){}\r
  75 basic_frame::basic_frame(const basic_frame& other) : impl_(new implementation(*other.impl_)){}\r
  76 basic_frame::basic_frame(std::vector<safe_ptr<basic_frame>>&& frames) : impl_(new implementation(frames)){}\r
  77 basic_frame::basic_frame(const safe_ptr<basic_frame>& frame) : impl_(new implementation(frame)){}\r
  78 basic_frame::basic_frame(safe_ptr<basic_frame>&& frame)  : impl_(new implementation(std::move(frame))){}\r
  79 basic_frame::basic_frame(basic_frame&& other) : impl_(std::move(other.impl_)){}\r
  80 basic_frame& basic_frame::operator=(const basic_frame& other)\r
  81 {\r
  82         basic_frame temp(other);\r
  83         temp.swap(*this);\r
  84         return *this;\r
  85 }\r
  86 basic_frame& basic_frame::operator=(basic_frame&& other)\r
  87 {\r
  88         basic_frame temp(std::move(other));\r
  89         temp.swap(*this);\r
  90         return *this;\r
  91 }\r
  92 void basic_frame::swap(basic_frame& other){impl_.swap(other.impl_);}\r
  93 \r
  94 const image_transform& basic_frame::get_image_transform() const { return impl_->image_transform_;}\r
  95 image_transform& basic_frame::get_image_transform() { return impl_->image_transform_;}\r
  96 const audio_transform& basic_frame::get_audio_transform() const { return impl_->audio_transform_;}\r
  97 audio_transform& basic_frame::get_audio_transform() { return impl_->audio_transform_;}\r
  98 \r
  99 std::wstring basic_frame::print() const{return impl_->print();}\r
 100 void basic_frame::accept(frame_visitor& visitor){impl_->accept(*this, visitor);}\r
 101 \r
 102 safe_ptr<basic_frame> basic_frame::interlace(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2, field_mode::type mode)\r
 103 {                               \r
 104         if(frame1 == basic_frame::eof() || frame2 == basic_frame::eof())\r
 105                 return basic_frame::eof();\r
 106 \r
 107         if(frame1 == basic_frame::empty() && frame2 == basic_frame::empty())\r
 108                 return basic_frame::empty();\r
 109         \r
 110         if(frame1 == frame2 || mode == field_mode::progressive)\r
 111                 return frame2;\r
 112 \r
 113         auto my_frame1 = make_safe<basic_frame>(frame1);\r
 114         auto my_frame2 = make_safe<basic_frame>(frame2);\r
 115         if(mode == field_mode::upper)\r
 116         {\r
 117                 my_frame1->get_image_transform().set_field_mode(field_mode::upper);     \r
 118                 my_frame2->get_image_transform().set_field_mode(field_mode::lower);     \r
 119         }                                                                                        \r
 120         else                                                                             \r
 121         {                                                                                        \r
 122                 my_frame1->get_image_transform().set_field_mode(field_mode::lower);     \r
 123                 my_frame2->get_image_transform().set_field_mode(field_mode::upper);     \r
 124         }\r
 125 \r
 126         std::vector<safe_ptr<basic_frame>> frames;\r
 127         frames.push_back(my_frame1);\r
 128         frames.push_back(my_frame2);\r
 129         return basic_frame(std::move(frames));\r
 130 }\r
 131 \r
 132 safe_ptr<basic_frame> basic_frame::combine(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2)\r
 133 {       \r
 134         if(frame1 == basic_frame::eof() || frame2 == basic_frame::eof())\r
 135                 return basic_frame::eof();\r
 136         \r
 137         if(frame1 == basic_frame::empty() && frame2 == basic_frame::empty())\r
 138                 return basic_frame::empty();\r
 139 \r
 140         std::vector<safe_ptr<basic_frame>> frames;\r
 141         frames.push_back(frame1);\r
 142         frames.push_back(frame2);\r
 143         return basic_frame(std::move(frames));\r
 144 }\r
 145 \r
 146 safe_ptr<basic_frame> basic_frame::fill_and_key(const safe_ptr<basic_frame>& fill, const safe_ptr<basic_frame>& key)\r
 147 {       \r
 148         if(fill == basic_frame::eof() || key == basic_frame::eof())\r
 149                 return basic_frame::eof();\r
 150 \r
 151         if(fill == basic_frame::empty() || key == basic_frame::empty())\r
 152                 return basic_frame::empty();\r
 153 \r
 154         std::vector<safe_ptr<basic_frame>> frames;\r
 155         key->get_image_transform().set_is_key(true);\r
 156         frames.push_back(key);\r
 157         frames.push_back(fill);\r
 158         return basic_frame(std::move(frames));\r
 159 }\r
 160 \r
 161 safe_ptr<basic_frame> disable_audio(const safe_ptr<basic_frame>& frame)\r
 162 {\r
 163         basic_frame frame2 = frame;\r
 164         frame2.get_audio_transform().set_has_audio(false);\r
 165         return std::move(frame2);\r
 166 }\r
 167         \r
 168 }}