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 <lua.hpp>
   6 #include <movit/effect_chain.h>
   7 #include <movit/deinterlace_effect.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         ~Theme();
  43
  44         struct Chain {
  45                 movit::EffectChain *chain;
  46                 std::function<void()> setup_chain;
  47
  48                 // May have duplicates.
  49                 std::vector<RefCountedFrame> input_frames;
  50         };
  51
  52         Chain get_chain(unsigned num, float t, unsigned width, unsigned height, InputState input_state);
  53
  54         int get_num_channels() const { return num_channels; }
  55         int map_signal(int signal_num);
  56         void set_signal_mapping(int signal_num, int card_num);
  57         std::string get_channel_name(unsigned channel);
  58         int get_channel_signal(unsigned channel);
  59         bool get_supports_set_wb(unsigned channel);
  60         void set_wb(unsigned channel, double r, double g, double b);
  61
  62         std::vector<std::string> get_transition_names(float t);
  63
  64         void connect_signal(movit::YCbCrInput *input, int signal_num);
  65         void transition_clicked(int transition_num, float t);
  66         void channel_clicked(int preview_num);
  67
  68         movit::ResourcePool *get_resource_pool() const { return resource_pool; }
  69
  70 private:
  71         void register_class(const char *class_name, const luaL_Reg *funcs);
  72
  73         std::mutex m;
  74         lua_State *L;  // Protected by <m>.
  75         const InputState *input_state;  // Protected by <m>. Only set temporarily, during chain setup.
  76         movit::ResourcePool *resource_pool;
  77         int num_channels;
  78         unsigned num_cards;
  79
  80         std::mutex map_m;
  81         std::map<int, int> signal_to_card_mapping;  // Protected by <map_m>.
  82
  83         friend class LiveInputWrapper;
  84 };
  85
  86 class LiveInputWrapper {
  87 public:
  88         LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce, bool deinterlace);
  89
  90         void connect_signal(int signal_num);
  91         movit::Effect *get_effect() const
  92         {
  93                 if (deinterlace) {
  94                         return deinterlace_effect;
  95                 } else {
  96                         return inputs[0];
  97                 }
  98         }
  99
 100 private:
 101         Theme *theme;  // Not owned by us.
 102         std::vector<movit::YCbCrInput *> inputs;  // Multiple ones if deinterlacing. Owned by the chain.
 103         movit::Effect *deinterlace_effect = nullptr;  // Owned by the chain.
 104         bool deinterlace;
 105 };
 106
 107 #endif  // !defined(_THEME_H)