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

   1 #include "../../StdAfx.h"\r
   2 \r
   3 #include "draw_frame.h"\r
   4 \r
   5 #include "../image/image_transform.h"\r
   6 #include "../image/image_mixer.h"\r
   7 #include "../audio/audio_mixer.h"\r
   8 #include "../audio/audio_transform.h"\r
   9 #include "pixel_format.h"\r
  10 #include "../../video_format.h"\r
  11 \r
  12 #include <boost/range/algorithm.hpp>\r
  13 \r
  14 namespace caspar { namespace core {\r
  15                                                                                                                                                                                                                                                                                                                 \r
  16 struct draw_frame::implementation\r
  17 {               \r
  18         std::vector<safe_ptr<draw_frame>> frames_;\r
  19 \r
  20         image_transform image_transform_;       \r
  21         audio_transform audio_transform_;\r
  22 \r
  23         int index_;\r
  24 public:\r
  25         implementation(const std::vector<safe_ptr<draw_frame>>& frames) \r
  26                 : frames_(frames)\r
  27                 , index_(std::numeric_limits<int>::min()) {}\r
  28         implementation(std::vector<safe_ptr<draw_frame>>&& frames) \r
  29                 : frames_(std::move(frames))\r
  30                 , index_(std::numeric_limits<int>::min()) {}\r
  31         \r
  32         void process_image(image_mixer& mixer)\r
  33         {\r
  34                 mixer.begin(image_transform_);\r
  35                 BOOST_FOREACH(auto frame, frames_)\r
  36                         frame->process_image(mixer);\r
  37                 mixer.end();\r
  38         }\r
  39 \r
  40         void process_audio(audio_mixer& mixer)\r
  41         {\r
  42                 mixer.begin(audio_transform_);\r
  43                 BOOST_FOREACH(auto frame, frames_)\r
  44                         frame->process_audio(mixer);\r
  45                 mixer.end();\r
  46         }       \r
  47 };\r
  48         \r
  49 draw_frame::draw_frame() : impl_(new implementation(std::vector<safe_ptr<draw_frame>>())){}\r
  50 draw_frame::draw_frame(const std::vector<safe_ptr<draw_frame>>& frames) : impl_(new implementation(frames)){}\r
  51 draw_frame::draw_frame(std::vector<safe_ptr<draw_frame>>&& frames) : impl_(new implementation(std::move(frames))){}\r
  52 draw_frame::draw_frame(const draw_frame& other) : impl_(new implementation(*other.impl_)){}\r
  53 draw_frame::draw_frame(const safe_ptr<draw_frame>& frame)\r
  54 {\r
  55         std::vector<safe_ptr<draw_frame>> frames;\r
  56         frames.push_back(frame);\r
  57         impl_.reset(new implementation(std::move(frames)));\r
  58 }\r
  59 draw_frame::draw_frame(safe_ptr<draw_frame>&& frame)\r
  60 {\r
  61         std::vector<safe_ptr<draw_frame>> frames;\r
  62         frames.push_back(std::move(frame));\r
  63         impl_.reset(new implementation(std::move(frames)));\r
  64 }\r
  65 draw_frame::draw_frame(const safe_ptr<draw_frame>& frame1, const safe_ptr<draw_frame>& frame2)\r
  66 {\r
  67         std::vector<safe_ptr<draw_frame>> frames;\r
  68         frames.push_back(frame1);\r
  69         frames.push_back(frame2);\r
  70         impl_.reset(new implementation(std::move(frames)));\r
  71 }\r
  72 draw_frame::draw_frame(safe_ptr<draw_frame>&& frame1, safe_ptr<draw_frame>&& frame2)\r
  73 {\r
  74         std::vector<safe_ptr<draw_frame>> frames;\r
  75         frames.push_back(std::move(frame1));\r
  76         frames.push_back(std::move(frame2));\r
  77         impl_.reset(new implementation(std::move(frames)));\r
  78 }\r
  79 \r
  80 void draw_frame::swap(draw_frame& other){impl_.swap(other.impl_);}\r
  81 draw_frame& draw_frame::operator=(const draw_frame& other)\r
  82 {\r
  83         draw_frame temp(other);\r
  84         temp.swap(*this);\r
  85         return *this;\r
  86 }\r
  87 draw_frame::draw_frame(draw_frame&& other) : impl_(std::move(other.impl_)){}\r
  88 draw_frame& draw_frame::operator=(draw_frame&& other)\r
  89 {\r
  90         draw_frame temp(std::move(other));\r
  91         temp.swap(*this);\r
  92         return *this;\r
  93 }\r
  94 void draw_frame::process_image(image_mixer& mixer){impl_->process_image(mixer);}\r
  95 void draw_frame::process_audio(audio_mixer& mixer){impl_->process_audio(mixer);}\r
  96 \r
  97 const image_transform& draw_frame::get_image_transform() const { return impl_->image_transform_;}\r
  98 image_transform& draw_frame::get_image_transform() { return impl_->image_transform_;}\r
  99 const audio_transform& draw_frame::get_audio_transform() const { return impl_->audio_transform_;}\r
 100 audio_transform& draw_frame::get_audio_transform() { return impl_->audio_transform_;}\r
 101 \r
 102 safe_ptr<draw_frame> draw_frame::interlace(const safe_ptr<draw_frame>& frame1, const safe_ptr<draw_frame>& frame2, video_mode::type mode)\r
 103 {                       \r
 104         if(frame1 == frame2 || mode == video_mode::progressive)\r
 105                 return frame1;\r
 106 \r
 107         auto my_frame1 = make_safe<draw_frame>(frame1);\r
 108         auto my_frame2 = make_safe<draw_frame>(frame2);\r
 109         if(mode == video_mode::upper)\r
 110         {\r
 111                 my_frame1->get_image_transform().set_mode(video_mode::upper);   \r
 112                 my_frame2->get_image_transform().set_mode(video_mode::lower);   \r
 113         }                                                                                        \r
 114         else                                                                             \r
 115         {                                                                                        \r
 116                 my_frame1->get_image_transform().set_mode(video_mode::lower);   \r
 117                 my_frame2->get_image_transform().set_mode(video_mode::upper);   \r
 118         }\r
 119 \r
 120         std::vector<safe_ptr<draw_frame>> frames;\r
 121         frames.push_back(my_frame1);\r
 122         frames.push_back(my_frame2);\r
 123         return make_safe<draw_frame>(frames);\r
 124 }\r
 125 \r
 126 void draw_frame::set_layer_index(int index) { impl_->index_ = index; }\r
 127 int draw_frame::get_layer_index() const { return impl_->index_; }\r
 128 \r
 129 }}