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         core::video_mode::type mode_;\r
  41         \r
  42 public:\r
  43         implementation(const std::vector<safe_ptr<basic_frame>>& frames) \r
  44                 : mode_(core::video_mode::progressive), frames_(frames) {}\r
  45         implementation(std::vector<safe_ptr<basic_frame>>&& frames) \r
  46                 : mode_(core::video_mode::progressive), frames_(std::move(frames)){}\r
  47         implementation(safe_ptr<basic_frame>&& frame) \r
  48                 : mode_(core::video_mode::progressive)\r
  49                 { frames_.push_back(std::move(frame));}\r
  50         implementation(const safe_ptr<basic_frame>& frame) \r
  51                 : mode_(core::video_mode::progressive)\r
  52                 { frames_.push_back(frame);}\r
  53         \r
  54         void accept(basic_frame& self, frame_visitor& visitor)\r
  55         {\r
  56                 visitor.begin(self);\r
  57                 BOOST_FOREACH(auto frame, frames_)\r
  58                         frame->accept(visitor);\r
  59                 visitor.end();\r
  60         }       \r
  61 \r
  62         std::wstring print() const\r
  63         {\r
  64                 std::wstring str = L"\tbasic_frame[\n";\r
  65                 BOOST_FOREACH(auto& frame, frames_)\r
  66                         str += frame->print() + L"\n";\r
  67                 str += L"\n]";\r
  68                 return str;\r
  69         }\r
  70 };\r
  71         \r
  72 basic_frame::basic_frame() : impl_(new implementation(std::vector<safe_ptr<basic_frame>>())){}\r
  73 basic_frame::basic_frame(const std::vector<safe_ptr<basic_frame>>& frames) : impl_(new implementation(frames)){}\r
  74 basic_frame::basic_frame(const basic_frame& other) : impl_(new implementation(*other.impl_)){}\r
  75 basic_frame::basic_frame(std::vector<safe_ptr<basic_frame>>&& frames) : impl_(new implementation(frames)){}\r
  76 basic_frame::basic_frame(const safe_ptr<basic_frame>& frame) : impl_(new implementation(frame)){}\r
  77 basic_frame::basic_frame(safe_ptr<basic_frame>&& frame)  : impl_(new implementation(std::move(frame))){}\r
  78 basic_frame::basic_frame(basic_frame&& other) : impl_(std::move(other.impl_)){}\r
  79 basic_frame& basic_frame::operator=(const basic_frame& other)\r
  80 {\r
  81         basic_frame temp(other);\r
  82         temp.swap(*this);\r
  83         return *this;\r
  84 }\r
  85 basic_frame& basic_frame::operator=(basic_frame&& other)\r
  86 {\r
  87         basic_frame temp(std::move(other));\r
  88         temp.swap(*this);\r
  89         return *this;\r
  90 }\r
  91 void basic_frame::swap(basic_frame& other){impl_.swap(other.impl_);}\r
  92 \r
  93 core::video_mode::type basic_frame::get_mode() const{return impl_->mode_;}\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, video_mode::type mode)\r
 103 {                       \r
 104         if(frame1 == basic_frame::empty() && frame2 == basic_frame::empty())\r
 105                 return basic_frame::empty();\r
 106         \r
 107         if(frame1 == basic_frame::eof() || frame2 == basic_frame::eof())\r
 108                 return basic_frame::eof();\r
 109         \r
 110         if(frame1 == frame2 || mode == video_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 == video_mode::upper)\r
 116         {\r
 117                 my_frame1->impl_->mode_ = video_mode::upper;    \r
 118                 my_frame2->impl_->mode_ = video_mode::lower;    \r
 119         }                                                                                        \r
 120         else                                                                             \r
 121         {                                                                                        \r
 122                 my_frame1->impl_->mode_ = video_mode::lower;    \r
 123                 my_frame2->impl_->mode_ = video_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::empty() && frame2 == basic_frame::empty())\r
 135                 return basic_frame::empty();\r
 136         \r
 137         if(frame1 == basic_frame::eof() && frame2 == basic_frame::eof())\r
 138                 return basic_frame::eof();\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::empty() && key == basic_frame::empty())\r
 149                 return basic_frame::empty();\r
 150         \r
 151         if(fill == basic_frame::eof() && key == basic_frame::eof())\r
 152                 return basic_frame::eof();\r
 153 \r
 154         if(key == basic_frame::empty() || key == basic_frame::eof())\r
 155                 return fill;\r
 156 \r
 157         std::vector<safe_ptr<basic_frame>> frames;\r
 158         key->get_image_transform().set_is_key(true);\r
 159         frames.push_back(key);\r
 160         frames.push_back(fill);\r
 161         return basic_frame(std::move(frames));\r
 162 }\r
 163 \r
 164 safe_ptr<basic_frame> disable_audio(const safe_ptr<basic_frame>& frame)\r
 165 {\r
 166         basic_frame frame2 = frame;\r
 167         frame2.get_audio_transform().set_has_audio(false);\r
 168         return std::move(frame2);\r
 169 }\r
 170         \r
 171 }}