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 <string>
  14 #include <utility>
  15 #include <vector>
  16
  17 namespace movit {
  18 class ResourcePool;
  19 struct ImageFormat;
  20 struct YCbCrFormat;
  21 }  // namespace movit
  22
  23 #define MAX_CARDS 16
  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 char *filename, movit::ResourcePool *resource_pool, unsigned num_cards);
  39
  40         std::pair<movit::EffectChain *, std::function<void()>>
  41         get_chain(unsigned num, float t, unsigned width, unsigned height);
  42
  43         void set_input_textures(int signal_num, GLuint tex_y, GLuint tex_cbcr) {
  44                 input_textures[signal_num].tex_y = tex_y;
  45                 input_textures[signal_num].tex_cbcr = tex_cbcr;
  46         }
  47         int get_num_channels() { return num_channels; }
  48
  49         std::vector<std::string> get_transition_names(float t);
  50
  51         void connect_signal(movit::YCbCrInput *input, int signal_num);
  52         void transition_clicked(int transition_num, float t);
  53         void channel_clicked(int preview_num);
  54
  55 private:
  56         void register_class(const char *class_name, const luaL_Reg *funcs);
  57
  58         std::mutex m;
  59         lua_State *L;
  60         movit::ResourcePool *resource_pool;
  61         struct {
  62                 GLuint tex_y = 0, tex_cbcr = 0;
  63         } input_textures[MAX_CARDS];
  64         int num_channels;
  65         unsigned num_cards;
  66 };
  67
  68 class LiveInputWrapper {
  69 public:
  70         LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce);
  71
  72         void connect_signal(int signal_num);
  73         movit::YCbCrInput *get_input() const
  74         {
  75                 return input;
  76         }
  77
  78 private:
  79         Theme *theme;  // Not owned by us.
  80         movit::YCbCrInput *input;  // Owned by the chain.
  81         int connected_signal_num = 0;
  82 };
  83
  84 #endif  // !defined(_THEME_H)