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.h>\r
  10 #include <core/frame/frame_visitor.h>\r
  11 #include <core/video_format.h>\r
  12 \r
  13 FORWARD1(boost, template<typename> class shared_future);\r
  14 FORWARD1(boost, template<typename> class iterator_range);\r
  15 FORWARD2(caspar, core, class frame);\r
  16 FORWARD2(caspar, core, struct pixel_format_desc);\r
  17 FORWARD2(caspar, core, struct video_format_desc);\r
  18 FORWARD2(caspar, core, class mutable_frame);\r
  19 FORWARD2(caspar, core, struct frame_transform);\r
  20 \r
  21 namespace caspar { namespace accelerator { namespace cpu {\r
  22         \r
  23 typedef std::vector<uint8_t, tbb::cache_aligned_allocator<uint8_t>> buffer;\r
  24 \r
  25 class image_mixer sealed : public core::image_mixer\r
  26 {\r
  27 public:\r
  28 \r
  29         // Static Members\r
  30 \r
  31         // Constructors\r
  32 \r
  33         image_mixer();\r
  34         ~image_mixer();\r
  35 \r
  36         // Methods      \r
  37 \r
  38         virtual void begin_layer(core::blend_mode blend_mode);\r
  39         virtual void end_layer();\r
  40 \r
  41         virtual void push(const core::frame_transform& frame);\r
  42         virtual void visit(const core::const_frame& frame);\r
  43         virtual void pop();\r
  44                 \r
  45         virtual boost::unique_future<core::const_array> operator()(const core::video_format_desc& format_desc) override;\r
  46                 \r
  47         virtual core::mutable_frame create_frame(const void* tag, const core::pixel_format_desc& desc, double frame_rate, core::field_mode field_mode) override;\r
  48 \r
  49         // Properties\r
  50 \r
  51 private:\r
  52         struct impl;\r
  53         spl::unique_ptr<impl> impl_;\r
  54 };\r
  55 \r
  56 }}}