X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=theme.h;h=bbef35ef350d1513afc92aa8216836b13b36b937;hb=4a0187ffb4075b4d217b8d9e9c96cac548b199d8;hp=660a2cd7962024a767230bfb9c49735ed8bb94fd;hpb=f245cb0d0453e0e8bd5c7d40720bd0a5b50454ee;p=nageru

diff --git a/theme.h b/theme.h
index 660a2cd..bbef35e 100644
--- a/theme.h
+++ b/theme.h
@@ -1,52 +1,43 @@
 #ifndef _THEME_H
 #define _THEME_H 1
 
-#include <epoxy/gl.h>
-#include <lauxlib.h>
-#include <lua.h>
-#include <movit/effect_chain.h>
-#include <movit/deinterlace_effect.h>
+#include <lua.hpp>
+#include <movit/flat_input.h>
 #include <movit/ycbcr_input.h>
 #include <stdbool.h>
-#include <stdio.h>
 #include <functional>
+#include <map>
 #include <mutex>
-#include <set>
 #include <string>
-#include <utility>
+#include <unordered_map>
 #include <vector>
 
-#include "defs.h"
-#include "input_state.h"
+#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;
-struct ImageFormat;
-struct YCbCrFormat;
 }  // namespace movit
 
-class NonBouncingYCbCrInput : public movit::YCbCrInput {
-public:
-	NonBouncingYCbCrInput(const movit::ImageFormat &image_format,
-	                      const movit::YCbCrFormat &ycbcr_format,
-	                      unsigned width, unsigned height,
-	                      movit::YCbCrInputSplitting ycbcr_input_splitting = movit::YCBCR_INPUT_PLANAR)
-	    : movit::YCbCrInput(image_format, ycbcr_format, width, height, ycbcr_input_splitting) {}
-
-	bool override_disable_bounce() const override { return true; }
-};
-
 class Theme {
 public:
-	Theme(const char *filename, movit::ResourcePool *resource_pool, unsigned num_cards);
+	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;
 
-		// May have duplicates.
+		// FRAME_HISTORY frames for each input, in order. Will contain duplicates
+		// for non-interlaced inputs.
 		std::vector<RefCountedFrame> input_frames;
 	};
 
@@ -59,21 +50,75 @@ public:
 	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 connect_signal(movit::YCbCrInput *input, int signal_num);
 	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;  // Protected by <m>. Only set temporarily, during chain setup.
+	const InputState *input_state = nullptr;  // Protected by <m>. Only set temporarily, during chain setup.
 	movit::ResourcePool *resource_pool;
 	int num_channels;
 	unsigned num_cards;
@@ -81,26 +126,59 @@ private:
 	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:
-	LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bool override_bounce, bool deinterlace);
+	// Note: <override_bounce> is irrelevant for PixelFormat_8BitBGRA.
+	LiveInputWrapper(Theme *theme, movit::EffectChain *chain, bmusb::PixelFormat pixel_format, bool override_bounce, bool deinterlace);
 
-	void connect_signal(int signal_num);
+	void connect_signal(int signal_num);  // Must be called with the theme's <m> lock held, since it accesses theme->input_state.
+	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 inputs[0];
+			return ycbcr_inputs[0];
 		}
 	}
 
 private:
 	Theme *theme;  // Not owned by us.
-	std::vector<movit::YCbCrInput *> inputs;  // Multiple ones if deinterlacing. Owned by the chain.
+	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;
 };