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

   1 #include "../../stdafx.h"\r
   2 \r
   3 #include "basic_frame.h"\r
   4 \r
   5 #include "image_transform.h"\r
   6 #include "audio_transform.h"\r
   7 #include "pixel_format.h"\r
   8 #include "../../video_format.h"\r
   9 \r
  10 #include <boost/range/algorithm.hpp>\r
  11 \r
  12 namespace caspar { namespace core {\r
  13                                                                                                                                                                                                                                                                                                                 \r
  14 struct basic_frame::implementation\r
  15 {               \r
  16         std::vector<safe_ptr<basic_frame>> frames_;\r
  17 \r
  18         image_transform image_transform_;       \r
  19         audio_transform audio_transform_;\r
  20         \r
  21 public:\r
  22         implementation(const std::vector<safe_ptr<basic_frame>>& frames) \r
  23                 : frames_(frames) {}\r
  24         implementation(std::vector<safe_ptr<basic_frame>>&& frames) \r
  25                 : frames_(std::move(frames)){}\r
  26         \r
  27         void accept(const basic_frame& self, frame_visitor& visitor)\r
  28         {\r
  29                 visitor.begin(self);\r
  30                 BOOST_FOREACH(auto frame, frames_)\r
  31                         frame->accept(visitor);\r
  32                 visitor.end();\r
  33         }       \r
  34 };\r
  35         \r
  36 basic_frame::basic_frame() : impl_(new implementation(std::vector<safe_ptr<basic_frame>>())){}\r
  37 basic_frame::basic_frame(const std::vector<safe_ptr<basic_frame>>& frames) : impl_(new implementation(frames)){}\r
  38 basic_frame::basic_frame(std::vector<safe_ptr<basic_frame>>&& frames) : impl_(new implementation(std::move(frames))){}\r
  39 basic_frame::basic_frame(const basic_frame& other) : impl_(new implementation(*other.impl_)){}\r
  40 basic_frame::basic_frame(const safe_ptr<basic_frame>& frame)\r
  41 {\r
  42         std::vector<safe_ptr<basic_frame>> frames;\r
  43         frames.push_back(frame);\r
  44         impl_.reset(new implementation(std::move(frames)));\r
  45 }\r
  46 basic_frame::basic_frame(safe_ptr<basic_frame>&& frame)\r
  47 {\r
  48         std::vector<safe_ptr<basic_frame>> frames;\r
  49         frames.push_back(std::move(frame));\r
  50         impl_.reset(new implementation(std::move(frames)));\r
  51 }\r
  52 basic_frame::basic_frame(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2)\r
  53 {\r
  54         std::vector<safe_ptr<basic_frame>> frames;\r
  55         frames.push_back(frame1);\r
  56         frames.push_back(frame2);\r
  57         impl_.reset(new implementation(std::move(frames)));\r
  58 }\r
  59 basic_frame::basic_frame(safe_ptr<basic_frame>&& frame1, safe_ptr<basic_frame>&& frame2)\r
  60 {\r
  61         std::vector<safe_ptr<basic_frame>> frames;\r
  62         frames.push_back(std::move(frame1));\r
  63         frames.push_back(std::move(frame2));\r
  64         impl_.reset(new implementation(std::move(frames)));\r
  65 }\r
  66 \r
  67 void basic_frame::swap(basic_frame& other){impl_.swap(other.impl_);}\r
  68 basic_frame& basic_frame::operator=(const basic_frame& other)\r
  69 {\r
  70         basic_frame temp(other);\r
  71         temp.swap(*this);\r
  72         return *this;\r
  73 }\r
  74 basic_frame::basic_frame(basic_frame&& other) : impl_(std::move(other.impl_)){}\r
  75 basic_frame& basic_frame::operator=(basic_frame&& other)\r
  76 {\r
  77         basic_frame temp(std::move(other));\r
  78         temp.swap(*this);\r
  79         return *this;\r
  80 }\r
  81 void basic_frame::accept(frame_visitor& visitor){impl_->accept(*this, visitor);}\r
  82 \r
  83 const image_transform& basic_frame::get_image_transform() const { return impl_->image_transform_;}\r
  84 image_transform& basic_frame::get_image_transform() { return impl_->image_transform_;}\r
  85 const audio_transform& basic_frame::get_audio_transform() const { return impl_->audio_transform_;}\r
  86 audio_transform& basic_frame::get_audio_transform() { return impl_->audio_transform_;}\r
  87 \r
  88 safe_ptr<basic_frame> basic_frame::interlace(const safe_ptr<basic_frame>& frame1, const safe_ptr<basic_frame>& frame2, video_mode::type mode)\r
  89 {                       \r
  90         if(frame1 == frame2 || mode == video_mode::progressive)\r
  91                 return frame2;\r
  92 \r
  93         auto my_frame1 = make_safe<basic_frame>(frame1);\r
  94         auto my_frame2 = make_safe<basic_frame>(frame2);\r
  95         if(mode == video_mode::upper)\r
  96         {\r
  97                 my_frame1->get_image_transform().set_mode(video_mode::upper);   \r
  98                 my_frame2->get_image_transform().set_mode(video_mode::lower);   \r
  99         }                                                                                        \r
 100         else                                                                             \r
 101         {                                                                                        \r
 102                 my_frame1->get_image_transform().set_mode(video_mode::lower);   \r
 103                 my_frame2->get_image_transform().set_mode(video_mode::upper);   \r
 104         }\r
 105 \r
 106         std::vector<safe_ptr<basic_frame>> frames;\r
 107         frames.push_back(my_frame1);\r
 108         frames.push_back(my_frame2);\r
 109         return make_safe<basic_frame>(frames);\r
 110 }\r
 111         \r
 112 }}