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

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