+++ /dev/null
-#ifndef _THEME_H
-#define _THEME_H 1
-
-#include <lua.hpp>
-#include <movit/flat_input.h>
-#include <movit/ycbcr_input.h>
-#include <stdbool.h>
-#include <functional>
-#include <map>
-#include <mutex>
-#include <string>
-#include <unordered_map>
-#include <vector>
-
-#include "bmusb/bmusb.h"
-#include "ref_counted_frame.h"
-#include "tweaked_inputs.h"
-
-class CEFCapture;
-class FFmpegCapture;
-class LiveInputWrapper;
-struct InputState;
-
-namespace movit {
-class Effect;
-class EffectChain;
-class ResourcePool;
-} // namespace movit
-
-class Theme {
-public:
- Theme(const std::string &filename, const std::vector<std::string> &search_dirs, movit::ResourcePool *resource_pool, unsigned num_cards);
- ~Theme();
-
- struct Chain {
- movit::EffectChain *chain;
- std::function<void()> setup_chain;
-
- // FRAME_HISTORY frames for each input, in order. Will contain duplicates
- // for non-interlaced inputs.
- std::vector<RefCountedFrame> input_frames;
- };
-
- Chain get_chain(unsigned num, float t, unsigned width, unsigned height, InputState input_state);
-
- int get_num_channels() const { return num_channels; }
- int map_signal(int signal_num);
- void set_signal_mapping(int signal_num, int card_num);
- std::string get_channel_name(unsigned channel);
- int get_channel_signal(unsigned channel);
- bool get_supports_set_wb(unsigned channel);
- void set_wb(unsigned channel, double r, double g, double b);
- std::string get_channel_color(unsigned channel);
-
- std::vector<std::string> get_transition_names(float t);
-
- void transition_clicked(int transition_num, float t);
- void channel_clicked(int preview_num);
-
- movit::ResourcePool *get_resource_pool() const { return resource_pool; }
-
- // Should be called as part of VideoInput.new() only.
- void register_video_input(FFmpegCapture *capture)
- {
- video_inputs.push_back(capture);
- }
-
- std::vector<FFmpegCapture *> get_video_inputs() const
- {
- return video_inputs;
- }
-
-#ifdef HAVE_CEF
- // Should be called as part of HTMLInput.new() only.
- void register_html_input(CEFCapture *capture)
- {
- html_inputs.push_back(capture);
- }
-
- std::vector<CEFCapture *> get_html_inputs() const
- {
- return html_inputs;
- }
-#endif
-
- void register_video_signal_connection(movit::EffectChain *chain, LiveInputWrapper *live_input, FFmpegCapture *capture)
- {
- video_signal_connections[chain].emplace_back(VideoSignalConnection { live_input, capture });
- }
-
-#ifdef HAVE_CEF
- void register_html_signal_connection(movit::EffectChain *chain, LiveInputWrapper *live_input, CEFCapture *capture)
- {
- html_signal_connections[chain].emplace_back(CEFSignalConnection { live_input, capture });
- }
-#endif
-
- struct MenuEntry {
- std::string text;
- int lua_ref;
- };
- std::vector<MenuEntry> get_theme_menu() { return theme_menu; } // Can be empty for no menu.
- void theme_menu_entry_clicked(int lua_ref);
-
- // Will be invoked every time the theme sets a new menu.
- // Is not invoked for a menu that exists at the time of the callback.
- void set_theme_menu_callback(std::function<void()> callback)
- {
- theme_menu_callback = callback;
- }
-
-private:
- void register_constants();
- void register_class(const char *class_name, const luaL_Reg *funcs);
- int set_theme_menu(lua_State *L);
-
- std::string theme_path;
-
- std::mutex m;
- lua_State *L; // Protected by <m>.
- const InputState *input_state = nullptr; // Protected by <m>. Only set temporarily, during chain setup.
- movit::ResourcePool *resource_pool;
- int num_channels;
- unsigned num_cards;
-
- std::mutex map_m;
- std::map<int, int> signal_to_card_mapping; // Protected by <map_m>.
-
- std::vector<FFmpegCapture *> video_inputs;
- struct VideoSignalConnection {
- LiveInputWrapper *wrapper;
- FFmpegCapture *source;
- };
- std::unordered_map<movit::EffectChain *, std::vector<VideoSignalConnection>>
- video_signal_connections;
-#ifdef HAVE_CEF
- std::vector<CEFCapture *> html_inputs;
- struct CEFSignalConnection {
- LiveInputWrapper *wrapper;
- CEFCapture *source;
- };
- std::unordered_map<movit::EffectChain *, std::vector<CEFSignalConnection>>
- html_signal_connections;
-#endif
-
- std::vector<MenuEntry> theme_menu;
- std::function<void()> theme_menu_callback;
-
- friend class LiveInputWrapper;
- friend int ThemeMenu_set(lua_State *L);
-};
-
-// LiveInputWrapper is a facade on top of an YCbCrInput, exposed to
-// the Lua code. It contains a function (connect_signal()) intended
-// to be called during chain setup, that picks out the current frame
-// (in the form of a set of textures) from the input state given by
-// the mixer, and communicates that state over to the actual YCbCrInput.
-class LiveInputWrapper {
-public:
- // Note: <override_bounce> is irrelevant for PixelFormat_8BitBGRA.
- LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bmusb::PixelFormat pixel_format, bool override_bounce, bool deinterlace, bool user_connectable);
-
- bool connect_signal(int signal_num); // Must be called with the theme's <m> lock held, since it accesses theme->input_state. Returns false on error.
- void connect_signal_raw(int signal_num, const InputState &input_state);
- movit::Effect *get_effect() const
- {
- if (deinterlace) {
- return deinterlace_effect;
- } else if (pixel_format == bmusb::PixelFormat_8BitBGRA) {
- return rgba_inputs[0];
- } else {
- return ycbcr_inputs[0];
- }
- }
-
-private:
- Theme *theme; // Not owned by us.
- bmusb::PixelFormat pixel_format;
- movit::YCbCrFormat input_ycbcr_format;
- std::vector<movit::YCbCrInput *> ycbcr_inputs; // Multiple ones if deinterlacing. Owned by the chain.
- std::vector<movit::FlatInput *> rgba_inputs; // Multiple ones if deinterlacing. Owned by the chain.
- movit::Effect *deinterlace_effect = nullptr; // Owned by the chain.
- bool deinterlace;
- bool user_connectable;
-};
-
-#endif // !defined(_THEME_H)
projects / nageru / blobdiff