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

   1 #ifndef _THEME_H
   2 #define _THEME_H 1
   3
   4 #include <stdio.h>
   5 #include <lua.h>
   6 #include <lauxlib.h>
   7
   8 #include <functional>
   9 #include <mutex>
  10 #include <utility>
  11
  12 #include <movit/effect_chain.h>
  13 #include <movit/ycbcr_input.h>
  14
  15 #define MAX_CARDS 16
  16
  17 class NonBouncingYCbCrInput : public movit::YCbCrInput {
  18 public:
  19         NonBouncingYCbCrInput(const movit::ImageFormat &image_format,
  20                               const movit::YCbCrFormat &ycbcr_format,
  21                               unsigned width, unsigned height,
  22                               movit::YCbCrInputSplitting ycbcr_input_splitting = movit::YCBCR_INPUT_PLANAR)
  23             : movit::YCbCrInput(image_format, ycbcr_format, width, height, ycbcr_input_splitting) {}
  24
  25         bool override_disable_bounce() const override { return true; }
  26 };
  27
  28 class Theme {
  29 public:
  30         Theme(const char *filename, movit::ResourcePool *resource_pool, unsigned num_cards);
  31
  32         std::pair<movit::EffectChain *, std::function<void()>>
  33         get_chain(unsigned num, float t, unsigned width, unsigned height);
  34
  35         void set_input_textures(int signal_num, GLuint tex_y, GLuint tex_cbcr) {
  36                 input_textures[signal_num].tex_y = tex_y;
  37                 input_textures[signal_num].tex_cbcr = tex_cbcr;
  38         }
  39         int get_num_channels() { return num_channels; }
  40
  41         std::vector<std::string> get_transition_names(float t);
  42
  43         void connect_signal(movit::YCbCrInput *input, int signal_num);
  44         void transition_clicked(int transition_num, float t);
  45         void channel_clicked(int preview_num);
  46
  47 private:
  48         void register_class(const char *class_name, const luaL_Reg *funcs);
  49
  50         std::mutex m;
  51         lua_State *L;
  52         movit::ResourcePool *resource_pool;
  53         struct {
  54                 GLuint tex_y = 0, tex_cbcr = 0;
  55         } input_textures[MAX_CARDS];
  56         int num_channels;
  57         unsigned num_cards;
  58 };
  59
  60 class LiveInputWrapper {
  61 public:
  62         LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce);
  63
  64         void connect_signal(int signal_num);
  65         movit::YCbCrInput *get_input() const
  66         {
  67                 return input;
  68         }
  69
  70 private:
  71         Theme *theme;  // Not owned by us.
  72         movit::YCbCrInput *input;  // Owned by the chain.
  73         int connected_signal_num = 0;
  74 };
  75
  76 #endif  // !defined(_THEME_H)