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 namespace movit {
  19 class ResourcePool;
  20 struct ImageFormat;
  21 struct YCbCrFormat;
  22 }  // namespace movit
  23
  24 #define MAX_CARDS 16
  25
  26 class NonBouncingYCbCrInput : public movit::YCbCrInput {
  27 public:
  28         NonBouncingYCbCrInput(const movit::ImageFormat &image_format,
  29                               const movit::YCbCrFormat &ycbcr_format,
  30                               unsigned width, unsigned height,
  31                               movit::YCbCrInputSplitting ycbcr_input_splitting = movit::YCBCR_INPUT_PLANAR)
  32             : movit::YCbCrInput(image_format, ycbcr_format, width, height, ycbcr_input_splitting) {}
  33
  34         bool override_disable_bounce() const override { return true; }
  35 };
  36
  37 class Theme {
  38 public:
  39         Theme(const char *filename, movit::ResourcePool *resource_pool, unsigned num_cards);
  40
  41         std::pair<movit::EffectChain *, std::function<void()>>
  42         get_chain(unsigned num, float t, unsigned width, unsigned height);
  43
  44         void set_input_textures(int signal_num, GLuint tex_y, GLuint tex_cbcr) {
  45                 input_textures[signal_num].tex_y = tex_y;
  46                 input_textures[signal_num].tex_cbcr = tex_cbcr;
  47         }
  48         int get_num_channels() { return num_channels; }
  49
  50         std::vector<std::string> get_transition_names(float t);
  51
  52         void connect_signal(movit::YCbCrInput *input, int signal_num);
  53         void transition_clicked(int transition_num, float t);
  54         void channel_clicked(int preview_num);
  55
  56 private:
  57         void register_class(const char *class_name, const luaL_Reg *funcs);
  58
  59         std::mutex m;
  60         lua_State *L;
  61         movit::ResourcePool *resource_pool;
  62         struct {
  63                 GLuint tex_y = 0, tex_cbcr = 0;
  64         } input_textures[MAX_CARDS];
  65         int num_channels;
  66         unsigned num_cards;
  67         std::set<int> signals_warned_about;
  68 };
  69
  70 class LiveInputWrapper {
  71 public:
  72         LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce);
  73
  74         void connect_signal(int signal_num);
  75         movit::YCbCrInput *get_input() const
  76         {
  77                 return input;
  78         }
  79
  80 private:
  81         Theme *theme;  // Not owned by us.
  82         movit::YCbCrInput *input;  // Owned by the chain.
  83         int connected_signal_num = 0;
  84 };
  85
  86 #endif  // !defined(_THEME_H)