]> git.sesse.net Git - nageru/blob - theme.h
Remove the declaration of a nonexisting member function.
[nageru] / theme.h
1 #ifndef _THEME_H
2 #define _THEME_H 1
3
4 #include <lua.hpp>
5 #include <movit/ycbcr_input.h>
6 #include <stdbool.h>
7 #include <functional>
8 #include <map>
9 #include <mutex>
10 #include <string>
11 #include <vector>
12
13 #include "ref_counted_frame.h"
14
15 struct InputState;
16
17 namespace movit {
18 class ResourcePool;
19 class Effect;
20 class EffectChain;
21 struct ImageFormat;
22 struct YCbCrFormat;
23 }  // namespace movit
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 std::string &filename, const std::vector<std::string> &search_dirs, movit::ResourcePool *resource_pool, unsigned num_cards);
39         ~Theme();
40
41         struct Chain {
42                 movit::EffectChain *chain;
43                 std::function<void()> setup_chain;
44
45                 // May have duplicates.
46                 std::vector<RefCountedFrame> input_frames;
47         };
48
49         Chain get_chain(unsigned num, float t, unsigned width, unsigned height, InputState input_state);
50
51         int get_num_channels() const { return num_channels; }
52         int map_signal(int signal_num);
53         void set_signal_mapping(int signal_num, int card_num);
54         std::string get_channel_name(unsigned channel);
55         int get_channel_signal(unsigned channel);
56         bool get_supports_set_wb(unsigned channel);
57         void set_wb(unsigned channel, double r, double g, double b);
58         std::string get_channel_color(unsigned channel);
59
60         std::vector<std::string> get_transition_names(float t);
61
62         void transition_clicked(int transition_num, float t);
63         void channel_clicked(int preview_num);
64
65         movit::ResourcePool *get_resource_pool() const { return resource_pool; }
66
67 private:
68         void register_class(const char *class_name, const luaL_Reg *funcs);
69
70         std::mutex m;
71         lua_State *L;  // Protected by <m>.
72         const InputState *input_state;  // Protected by <m>. Only set temporarily, during chain setup.
73         movit::ResourcePool *resource_pool;
74         int num_channels;
75         unsigned num_cards;
76
77         std::mutex map_m;
78         std::map<int, int> signal_to_card_mapping;  // Protected by <map_m>.
79
80         friend class LiveInputWrapper;
81 };
82
83 // LiveInputWrapper is a facade on top of an YCbCrInput, exposed to
84 // the Lua code. It contains a function (connect_signal()) intended
85 // to be called during chain setup, that picks out the current frame
86 // (in the form of a set of textures) from the input state given by
87 // the mixer, and communicates that state over to the actual YCbCrInput.
88 class LiveInputWrapper {
89 public:
90         LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce, bool deinterlace);
91
92         void connect_signal(int signal_num);
93         movit::Effect *get_effect() const
94         {
95                 if (deinterlace) {
96                         return deinterlace_effect;
97                 } else {
98                         return inputs[0];
99                 }
100         }
101
102 private:
103         Theme *theme;  // Not owned by us.
104         std::vector<movit::YCbCrInput *> inputs;  // Multiple ones if deinterlacing. Owned by the chain.
105         movit::Effect *deinterlace_effect = nullptr;  // Owned by the chain.
106         bool deinterlace;
107 };
108
109 #endif  // !defined(_THEME_H)