git.sesse.net Git - casparcg/blob - accelerator/cpu/image/image_mixer.h

   1 #pragma once\r
   2 \r
   3 #include <common/forward.h>\r
   4 #include <common/spl/memory.h>\r
   5 \r
   6 #include <core/mixer/image/blend_modes.h>\r
   7 #include <core/mixer/image/image_mixer.h>\r
   8 \r
   9 #include <core/frame/frame_visitor.h>\r
  10 \r
  11 FORWARD1(boost, template<typename> class shared_future);\r
  12 FORWARD1(boost, template<typename> class iterator_range);\r
  13 FORWARD2(caspar, core, class write_frame);\r
  14 FORWARD2(caspar, core, struct pixel_format_desc);\r
  15 FORWARD2(caspar, core, struct video_format_desc);\r
  16 FORWARD2(caspar, core, class data_frame);\r
  17 FORWARD2(caspar, core, struct frame_transform);\r
  18 \r
  19 namespace caspar { namespace accelerator { namespace cpu {\r
  20         \r
  21 class image_mixer sealed : public core::image_mixer\r
  22 {\r
  23 public:\r
  24         image_mixer();\r
  25         \r
  26         virtual void push(const core::frame_transform& frame);\r
  27         virtual void visit(const core::data_frame& frame);\r
  28         virtual void pop();\r
  29 \r
  30         void begin_layer(core::blend_mode blend_mode);\r
  31         void end_layer();\r
  32                 \r
  33         // NOTE: Content of return future is only valid while future is valid.\r
  34         virtual ::boost::shared_future<::boost::iterator_range<const uint8_t*>> operator()(const core::video_format_desc& format_desc) override;\r
  35                 \r
  36         virtual spl::shared_ptr<core::write_frame> create_frame(const void* tag, const core::pixel_format_desc& desc) override;\r
  37 private:\r
  38         struct impl;\r
  39         spl::shared_ptr<impl> impl_;\r
  40 };\r
  41 \r
  42 }}}