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 \r
   5 #include <boost/noncopyable.hpp>\r
   6 \r
   7 #include <tbb/atomic.h>\r
   8 \r
   9 namespace caspar { namespace core {\r
  10 \r
  11 class frame_producer;\r
  12 class draw_frame;\r
  13 \r
  14 class layer : boost::noncopyable\r
  15 {\r
  16 public:\r
  17         layer(); // nothrow\r
  18         layer(layer&& other); // nothrow\r
  19         ~layer(); // nothrow\r
  20         layer& operator=(layer&& other); // nothrow\r
  21 \r
  22         //NOTE: swap is thread-safe on "other", NOT on "this".\r
  23         void swap(layer& other); // nothrow \r
  24                 \r
  25         void load(const safe_ptr<frame_producer>& producer, bool play_on_load = false); // nothrow\r
  26         void preview(const safe_ptr<frame_producer>& producer); // nothrow\r
  27         void play(); // nothrow\r
  28         void pause(); // nothrow\r
  29         void stop(); // nothrow\r
  30         void clear(); // nothrow\r
  31 \r
  32         safe_ptr<frame_producer> foreground() const; // nothrow\r
  33         safe_ptr<frame_producer> background() const; // nothrow\r
  34 \r
  35         safe_ptr<draw_frame> receive(); // nothrow\r
  36 private:\r
  37         struct implementation;\r
  38         tbb::atomic<implementation*> impl_;\r
  39 };\r
  40 \r
  41 }}