git.sesse.net Git - casparcg/blob - core/producer/layer.h

   1 #pragma once\r
   2 \r
   3 #include <common/memory/safe_ptr.h>\r
   4 #include <common/utility/printable.h>\r
   5 \r
   6 #include <boost/noncopyable.hpp>\r
   7 \r
   8 #include <tbb/atomic.h>\r
   9 \r
  10 #include <memory>\r
  11 \r
  12 namespace caspar { namespace core {\r
  13 \r
  14 class frame_producer;\r
  15 class draw_frame;\r
  16 \r
  17 class layer : boost::noncopyable\r
  18 {\r
  19 public:\r
  20         layer(int index, const printer& parent_printer = nullptr); // nothrow\r
  21         ~layer();\r
  22         layer(layer&& other); // nothrow\r
  23         layer& operator=(layer&& other); // nothrow\r
  24 \r
  25         // Swap is thread-safe on "other".\r
  26         void swap(layer& other); // nothrow \r
  27                 \r
  28         void load(const safe_ptr<frame_producer>& producer, bool play_on_load = false); // nothrow\r
  29         void preview(const safe_ptr<frame_producer>& producer); // nothrow\r
  30         void play(); // nothrow\r
  31         void pause(); // nothrow\r
  32         void stop(); // nothrow\r
  33         void clear(); // nothrow\r
  34 \r
  35         safe_ptr<frame_producer> foreground() const; // nothrow\r
  36         safe_ptr<frame_producer> background() const; // nothrow\r
  37 \r
  38         safe_ptr<draw_frame> receive(); // nothrow\r
  39 \r
  40         std::wstring print() const;\r
  41 private:\r
  42         struct implementation;\r
  43         tbb::atomic<implementation*> impl_;\r
  44 };\r
  45 \r
  46 }}