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         core::video_mode::type mode_;\r
  40         \r
  41 public:\r
  42         implementation(const std::vector<safe_ptr<basic_frame>>& frames) \r
  43                 : mode_(core::video_mode::progressive), frames_(frames) \r
  44         {\r
  45         }\r
  46         implementation(std::vector<safe_ptr<basic_frame>>&& frames) \r
  47                 : mode_(core::video_mode::progressive), frames_(std::move(frames))\r
  48         {\r
  49         }\r
  50         implementation(safe_ptr<basic_frame>&& frame) \r
  51                 : mode_(core::video_mode::progressive)\r
  52         {\r
  53                 frames_.push_back(std::move(frame));\r
  54         }\r
  55         implementation(const safe_ptr<basic_frame>& frame) \r
  56                 : mode_(core::video_mode::progressive)          \r
  57         { \r
  58                 frames_.push_back(frame);\r
  59         }\r
  60         \r
  61         void accept(basic_frame& self, frame_visitor& visitor)\r
  62         {\r
  63                 visitor.begin(self);\r
  64                 BOOST_FOREACH(auto frame, frames_)\r
  65                         frame->accept(visitor);\r
  66                 visitor.end();\r
  67         }       \r
  68 \r
  69         std::wstring print() const\r
  70         {\r
  71                 std::wstring str = L"\tbasic_frame[\n";\r
  72                 BOOST_FOREACH(auto& frame, frames_)\r
  73                         str += frame->print() + L"\n";\r
  74                 str += L"\n]";\r
  75                 return str;\r
  76         }\r
  77 };\r
  78         \r
  79 basic_frame::basic_frame() : impl_(new implementation(std::vector<safe_ptr<basic_frame>>())){}\r
  80 basic_frame::basic_frame(const std::vector<safe_ptr<basic_frame>>& frames) : impl_(new implementation(frames)){}\r
  81 basic_frame::basic_frame(const basic_frame& other) : impl_(new implementation(*other.impl_)){}\r
  82 basic_frame::basic_frame(std::vector<safe_ptr<basic_frame>>&& frames) : impl_(new implementation(frames)){}\r
  83 basic_frame::basic_frame(const safe_ptr<basic_frame>& frame) : impl_(new implementation(frame)){}\r
  84 basic_frame::basic_frame(safe_ptr<basic_frame>&& frame)  : impl_(new implementation(std::move(frame))){}\r
  85 basic_frame::basic_frame(basic_frame&& other) : impl_(std::move(other.impl_)){}\r
  86 basic_frame& basic_frame::operator=(const basic_frame& other)\r
  87 {\r
  88         basic_frame temp(other);\r
  89         temp.swap(*this);\r
  90         return *this;\r
  91 }\r
  92 basic_frame& basic_frame::operator=(basic_frame&& other)\r
  93 {\r
  94         basic_frame temp(std::move(other));\r
  95         temp.swap(*this);\r
  96         return *this;\r
  97 }\r
  98 void basic_frame::swap(basic_frame& other){impl_.swap(other.impl_);}\r
  99 \r
 100 core::video_mode::type basic_frame::get_mode() const{return impl_->mode_;}\r
 101 const image_transform& basic_frame::get_image_transform() const { return impl_->image_transform_;}\r
 102 image_transform& basic_frame::get_image_transform() { return impl_->image_transform_;}\r
 103 const audio_transform& basic_frame::get_audio_transform() const { return impl_->audio_transform_;}\r
 104 audio_transform& basic_frame::get_audio_transform() { return impl_->audio_transform_;}\r
 105 \r
 106 std::wstring basic_frame::print() const{return impl_->print();}\r
 107 void basic_frame::accept(frame_visitor& visitor){impl_->accept(*this, visitor);}\r
 108 \r
 109 safe_ptr<basic_frame> basic_frame::interlace(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2, video_mode::type mode)\r
 110 {                       \r
 111         if(frame1 == basic_frame::empty() && frame2 == basic_frame::empty())\r
 112                 return basic_frame::empty();\r
 113         \r
 114         if(frame1 == basic_frame::eof() || frame2 == basic_frame::eof())\r
 115                 return basic_frame::eof();\r
 116         \r
 117         if(frame1 == frame2 || mode == video_mode::progressive)\r
 118                 return frame2;\r
 119 \r
 120         auto my_frame1 = make_safe<basic_frame>(frame1);\r
 121         auto my_frame2 = make_safe<basic_frame>(frame2);\r
 122         if(mode == video_mode::upper)\r
 123         {\r
 124                 my_frame1->impl_->mode_ = video_mode::upper;    \r
 125                 my_frame2->impl_->mode_ = video_mode::lower;    \r
 126         }                                                                                        \r
 127         else                                                                             \r
 128         {                                                                                        \r
 129                 my_frame1->impl_->mode_ = video_mode::lower;    \r
 130                 my_frame2->impl_->mode_ = video_mode::upper;    \r
 131         }\r
 132 \r
 133         std::vector<safe_ptr<basic_frame>> frames;\r
 134         frames.push_back(my_frame1);\r
 135         frames.push_back(my_frame2);\r
 136         return basic_frame(std::move(frames));\r
 137 }\r
 138 \r
 139 safe_ptr<basic_frame> basic_frame::combine(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2)\r
 140 {\r
 141         if(frame1 == basic_frame::empty() && frame2 == basic_frame::empty())\r
 142                 return basic_frame::empty();\r
 143         \r
 144         if(frame1 == basic_frame::eof() && frame2 == basic_frame::eof())\r
 145                 return basic_frame::eof();\r
 146         \r
 147         std::vector<safe_ptr<basic_frame>> frames;\r
 148         frames.push_back(frame1);\r
 149         frames.push_back(frame2);\r
 150         return basic_frame(std::move(frames));\r
 151 }\r
 152 \r
 153 safe_ptr<basic_frame> basic_frame::fill_and_key(const safe_ptr<basic_frame>& fill, const safe_ptr<basic_frame>& key)\r
 154 {       \r
 155         if(fill == basic_frame::eof() || key == basic_frame::eof())\r
 156                 return basic_frame::eof();\r
 157 \r
 158         if(fill == basic_frame::empty() || key == basic_frame::empty())\r
 159                 return basic_frame::empty();\r
 160 \r
 161         std::vector<safe_ptr<basic_frame>> frames;\r
 162         key->get_image_transform().set_is_key(true);\r
 163         frames.push_back(key);\r
 164         frames.push_back(fill);\r
 165         return basic_frame(std::move(frames));\r
 166 }\r
 167 \r
 168 safe_ptr<basic_frame> disable_audio(const safe_ptr<basic_frame>& frame)\r
 169 {\r
 170         basic_frame frame2 = frame;\r
 171         frame2.get_audio_transform().set_has_audio(false);\r
 172         return std::move(frame2);\r
 173 }\r
 174         \r
 175 }}