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 "ref_counted_frame.h"
  20
  21 namespace movit {
  22 class ResourcePool;
  23 struct ImageFormat;
  24 struct YCbCrFormat;
  25 }  // namespace movit
  26
  27 class NonBouncingYCbCrInput : public movit::YCbCrInput {
  28 public:
  29         NonBouncingYCbCrInput(const movit::ImageFormat &image_format,
  30                               const movit::YCbCrFormat &ycbcr_format,
  31                               unsigned width, unsigned height,
  32                               movit::YCbCrInputSplitting ycbcr_input_splitting = movit::YCBCR_INPUT_PLANAR)
  33             : movit::YCbCrInput(image_format, ycbcr_format, width, height, ycbcr_input_splitting) {}
  34
  35         bool override_disable_bounce() const override { return true; }
  36 };
  37
  38 class Theme {
  39 public:
  40         Theme(const char *filename, movit::ResourcePool *resource_pool, unsigned num_cards);
  41
  42         struct Chain {
  43                 movit::EffectChain *chain;
  44                 std::function<void()> setup_chain;
  45
  46                 // May have duplicates.
  47                 std::vector<RefCountedFrame> input_frames;
  48         };
  49
  50         Chain get_chain(unsigned num, float t, unsigned width, unsigned height);
  51
  52         int get_num_channels() const { return num_channels; }
  53         int map_signal(int signal_num);
  54         std::string get_channel_name(unsigned channel);
  55         bool get_supports_set_wb(unsigned channel);
  56         void set_wb(unsigned channel, double r, double g, double b);
  57
  58         std::vector<std::string> get_transition_names(float t);
  59
  60         void connect_signal(movit::YCbCrInput *input, int signal_num);
  61         void transition_clicked(int transition_num, float t);
  62         void channel_clicked(int preview_num);
  63
  64 private:
  65         void register_class(const char *class_name, const luaL_Reg *funcs);
  66
  67         std::mutex m;
  68         lua_State *L;
  69         movit::ResourcePool *resource_pool;
  70         int num_channels;
  71         unsigned num_cards;
  72         std::set<int> signals_warned_about;
  73
  74         // All input frames needed for the current chain. Filled during call to get_chain(),
  75         // as inputs get connected.
  76         std::vector<RefCountedFrame> *used_input_frames_collector;
  77         friend class LiveInputWrapper;
  78 };
  79
  80 class LiveInputWrapper {
  81 public:
  82         LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce);
  83
  84         void connect_signal(int signal_num);
  85         movit::YCbCrInput *get_input() const
  86         {
  87                 return input;
  88         }
  89
  90 private:
  91         Theme *theme;  // Not owned by us.
  92         movit::YCbCrInput *input;  // Owned by the chain.
  93         int connected_signal_num = 0;
  94 };
  95
  96 #endif  // !defined(_THEME_H)