git.sesse.net Git - nageru/blob - theme.h

   1 #ifndef _THEME_H
   2 #define _THEME_H 1
   3
   4 #include <epoxy/gl.h>
   5 #include <lauxlib.h>
   6 #include <lua.h>
   7 #include <movit/effect_chain.h>
   8 #include <movit/deinterlace_effect.h>
   9 #include <movit/ycbcr_input.h>
  10 #include <stdbool.h>
  11 #include <stdio.h>
  12 #include <functional>
  13 #include <mutex>
  14 #include <set>
  15 #include <string>
  16 #include <utility>
  17 #include <vector>
  18
  19 #include "defs.h"
  20 #include "input_state.h"
  21 #include "ref_counted_frame.h"
  22
  23 namespace movit {
  24 class ResourcePool;
  25 struct ImageFormat;
  26 struct YCbCrFormat;
  27 }  // namespace movit
  28
  29 class NonBouncingYCbCrInput : public movit::YCbCrInput {
  30 public:
  31         NonBouncingYCbCrInput(const movit::ImageFormat &image_format,
  32                               const movit::YCbCrFormat &ycbcr_format,
  33                               unsigned width, unsigned height,
  34                               movit::YCbCrInputSplitting ycbcr_input_splitting = movit::YCBCR_INPUT_PLANAR)
  35             : movit::YCbCrInput(image_format, ycbcr_format, width, height, ycbcr_input_splitting) {}
  36
  37         bool override_disable_bounce() const override { return true; }
  38 };
  39
  40 class Theme {
  41 public:
  42         Theme(const char *filename, movit::ResourcePool *resource_pool, unsigned num_cards);
  43         ~Theme();
  44
  45         struct Chain {
  46                 movit::EffectChain *chain;
  47                 std::function<void()> setup_chain;
  48
  49                 // May have duplicates.
  50                 std::vector<RefCountedFrame> input_frames;
  51         };
  52
  53         Chain get_chain(unsigned num, float t, unsigned width, unsigned height, InputState input_state);
  54
  55         int get_num_channels() const { return num_channels; }
  56         int map_signal(int signal_num);
  57         std::string get_channel_name(unsigned channel);
  58         bool get_supports_set_wb(unsigned channel);
  59         void set_wb(unsigned channel, double r, double g, double b);
  60
  61         std::vector<std::string> get_transition_names(float t);
  62
  63         void connect_signal(movit::YCbCrInput *input, int signal_num);
  64         void transition_clicked(int transition_num, float t);
  65         void channel_clicked(int preview_num);
  66
  67         movit::ResourcePool *get_resource_pool() const { return resource_pool; }
  68
  69 private:
  70         void register_class(const char *class_name, const luaL_Reg *funcs);
  71
  72         std::mutex m;
  73         lua_State *L;  // Protected by <m>.
  74         const InputState *input_state;  // Protected by <m>. Only set temporarily, during chain setup.
  75         movit::ResourcePool *resource_pool;
  76         int num_channels;
  77         unsigned num_cards;
  78         std::set<int> signals_warned_about;
  79
  80         friend class LiveInputWrapper;
  81 };
  82
  83 class LiveInputWrapper {
  84 public:
  85         LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce, bool deinterlace);
  86
  87         void connect_signal(int signal_num);
  88         movit::Effect *get_effect() const
  89         {
  90                 if (deinterlace) {
  91                         return deinterlace_effect;
  92                 } else {
  93                         return inputs[0];
  94                 }
  95         }
  96
  97 private:
  98         Theme *theme;  // Not owned by us.
  99         std::vector<movit::YCbCrInput *> inputs;  // Multiple ones if deinterlacing. Owned by the chain.
 100         movit::Effect *deinterlace_effect = nullptr;  // Owned by the chain.
 101         bool deinterlace;
 102 };
 103
 104 #endif  // !defined(_THEME_H)