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