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

   1 #pragma once
   2
   3 #include <common/forward.h>
   4 #include <common/memory.h>
   5
   6 #include <core/mixer/image/blend_modes.h>
   7 #include <core/mixer/image/image_mixer.h>
   8
   9 #include <core/frame/frame.h>
  10 #include <core/frame/frame_visitor.h>
  11 #include <core/video_format.h>
  12
  13 FORWARD1(boost, template<typename> class shared_future);
  14 FORWARD1(boost, template<typename> class iterator_range);
  15 FORWARD2(caspar, core, class frame);
  16 FORWARD2(caspar, core, struct pixel_format_desc);
  17 FORWARD2(caspar, core, struct video_format_desc);
  18 FORWARD2(caspar, core, class mutable_frame);
  19 FORWARD2(caspar, core, struct frame_transform);
  20
  21 namespace caspar { namespace accelerator { namespace cpu {
  22
  23 typedef std::vector<uint8_t, tbb::cache_aligned_allocator<uint8_t>> buffer;
  24
  25 class image_mixer sealed : public core::image_mixer
  26 {
  27 public:
  28
  29         // Static Members
  30
  31         // Constructors
  32
  33         image_mixer();
  34         ~image_mixer();
  35
  36         // Methods
  37
  38         virtual void begin_layer(core::blend_mode blend_mode);
  39         virtual void end_layer();
  40
  41         virtual void push(const core::frame_transform& frame);
  42         virtual void visit(const core::const_frame& frame);
  43         virtual void pop();
  44
  45         boost::unique_future<array<const std::uint8_t>> operator()(const core::video_format_desc& format_desc) override;
  46
  47         core::mutable_frame create_frame(const void* tag, const core::pixel_format_desc& desc) override;
  48
  49         // Properties
  50
  51 private:
  52         struct impl;
  53         spl::unique_ptr<impl> impl_;
  54 };
  55
  56 }}}