git.sesse.net Git - casparcg/blob - core/processor/draw_frame.cpp

   1 #include "../StdAfx.h"\r
   2 \r
   3 #include "draw_frame.h"\r
   4 \r
   5 #include "image_processor.h"\r
   6 #include "audio_processor.h"\r
   7 #include "pixel_format.h"\r
   8 \r
   9 #include <boost/range/algorithm.hpp>\r
  10 \r
  11 namespace caspar { namespace core {\r
  12                                                                                                                                                                                                                                                                                                                 \r
  13 struct draw_frame::implementation\r
  14 {               \r
  15         std::vector<safe_ptr<draw_frame>> frames_;\r
  16 \r
  17         image_transform image_transform_;       \r
  18         audio_transform audio_transform_;\r
  19 \r
  20 public:\r
  21         implementation(const std::vector<safe_ptr<draw_frame>>& frames) \r
  22                 : frames_(frames){}\r
  23         implementation(std::vector<safe_ptr<draw_frame>>&& frames) \r
  24                 : frames_(std::move(frames)){}\r
  25         \r
  26         void process_image(image_processor& processor)\r
  27         {\r
  28                 processor.begin(image_transform_);\r
  29                 BOOST_FOREACH(auto frame, frames_)\r
  30                         frame->process_image(processor);\r
  31                 processor.end();\r
  32         }\r
  33 \r
  34         void process_audio(audio_processor& processor)\r
  35         {\r
  36                 processor.begin(audio_transform_);\r
  37                 BOOST_FOREACH(auto frame, frames_)\r
  38                         frame->process_audio(processor);\r
  39                 processor.end();\r
  40         }       \r
  41 };\r
  42         \r
  43 draw_frame::draw_frame() : impl_(new implementation(std::vector<safe_ptr<draw_frame>>())){}\r
  44 draw_frame::draw_frame(const std::vector<safe_ptr<draw_frame>>& frames) : impl_(new implementation(frames)){}\r
  45 draw_frame::draw_frame(std::vector<safe_ptr<draw_frame>>&& frames) : impl_(new implementation(std::move(frames))){}\r
  46 draw_frame::draw_frame(const draw_frame& other) : impl_(new implementation(*other.impl_)){}\r
  47 draw_frame::draw_frame(const safe_ptr<draw_frame>& frame)\r
  48 {\r
  49         std::vector<safe_ptr<draw_frame>> frames;\r
  50         frames.push_back(frame);\r
  51         impl_.reset(new implementation(std::move(frames)));\r
  52 }\r
  53 draw_frame::draw_frame(safe_ptr<draw_frame>&& frame)\r
  54 {\r
  55         std::vector<safe_ptr<draw_frame>> frames;\r
  56         frames.push_back(std::move(frame));\r
  57         impl_.reset(new implementation(std::move(frames)));\r
  58 }\r
  59 draw_frame::draw_frame(const safe_ptr<draw_frame>& frame1, const safe_ptr<draw_frame>& frame2)\r
  60 {\r
  61         std::vector<safe_ptr<draw_frame>> frames;\r
  62         frames.push_back(frame1);\r
  63         frames.push_back(frame2);\r
  64         impl_.reset(new implementation(std::move(frames)));\r
  65 }\r
  66 draw_frame::draw_frame(safe_ptr<draw_frame>&& frame1, safe_ptr<draw_frame>&& frame2)\r
  67 {\r
  68         std::vector<safe_ptr<draw_frame>> frames;\r
  69         frames.push_back(std::move(frame1));\r
  70         frames.push_back(std::move(frame2));\r
  71         impl_.reset(new implementation(std::move(frames)));\r
  72 }\r
  73 \r
  74 void draw_frame::swap(draw_frame& other){impl_.swap(other.impl_);}\r
  75 draw_frame& draw_frame::operator=(const draw_frame& other)\r
  76 {\r
  77         draw_frame temp(other);\r
  78         temp.swap(*this);\r
  79         return *this;\r
  80 }\r
  81 draw_frame::draw_frame(draw_frame&& other) : impl_(std::move(other.impl_)){}\r
  82 draw_frame& draw_frame::operator=(draw_frame&& other)\r
  83 {\r
  84         draw_frame temp(std::move(other));\r
  85         temp.swap(*this);\r
  86         return *this;\r
  87 }\r
  88 void draw_frame::process_image(image_processor& processor){impl_->process_image(processor);}\r
  89 void draw_frame::process_audio(audio_processor& processor){impl_->process_audio(processor);}\r
  90 void draw_frame::audio_volume(double volume){impl_->audio_transform_.volume = volume;}\r
  91 void draw_frame::translate(double x, double y){impl_->image_transform_.pos = boost::make_tuple(x, y);}\r
  92 void draw_frame::texcoord(double left, double top, double right, double bottom){impl_->image_transform_.uv = boost::make_tuple(left, top, right, bottom);}\r
  93 void draw_frame::video_mode(video_mode::type mode){impl_->image_transform_.mode = mode;}\r
  94 void draw_frame::alpha(double value){impl_->image_transform_.alpha = value;}\r
  95 const image_transform& draw_frame::get_image_transform() const { return impl_->image_transform_;}\r
  96 const audio_transform& draw_frame::get_audio_transform() const { return impl_->audio_transform_;}\r
  97 \r
  98 safe_ptr<draw_frame> draw_frame::interlace(const safe_ptr<draw_frame>& frame1, const safe_ptr<draw_frame>& frame2, video_mode::type mode)\r
  99 {                       \r
 100         if(frame1 == frame2 || mode == video_mode::progressive)\r
 101                 return frame1;\r
 102 \r
 103         auto my_frame1 = make_safe<draw_frame>(frame1);\r
 104         auto my_frame2 = make_safe<draw_frame>(frame2);\r
 105         if(mode == video_mode::upper)\r
 106         {\r
 107                 my_frame1->video_mode(video_mode::upper);       \r
 108                 my_frame2->video_mode(video_mode::lower);       \r
 109         }\r
 110         else\r
 111         {\r
 112                 my_frame1->video_mode(video_mode::lower);       \r
 113                 my_frame2->video_mode(video_mode::upper);       \r
 114         }\r
 115 \r
 116         std::vector<safe_ptr<draw_frame>> frames;\r
 117         frames.push_back(my_frame1);\r
 118         frames.push_back(my_frame2);\r
 119         return make_safe<draw_frame>(frames);\r
 120 }\r
 121 \r
 122 }}