X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=theme.h;h=9e9672e0fa5b98d23b8edd897a587a84cc9360ca;hb=96cb6414f85e0ef4d660b7bd56267303e80fcd05;hp=f35c6d5be472eddb3ad9b02b9864e2ab6687b963;hpb=8cbf100e6126c1550a6436970d777a652ac1182e;p=nageru

diff --git a/theme.h b/theme.h
index f35c6d5..9e9672e 100644
--- a/theme.h
+++ b/theme.h
@@ -1,59 +1,134 @@
 #ifndef _THEME_H
 #define _THEME_H 1
 
-#include <stdio.h>
-#include <lua.h>
-#include <lauxlib.h>
-
+#include <lua.hpp>
+#include <movit/flat_input.h>
+#include <movit/ycbcr_input.h>
+#include <stdbool.h>
 #include <functional>
+#include <map>
 #include <mutex>
-#include <utility>
+#include <string>
+#include <vector>
 
-#include <movit/effect_chain.h>
-#include <movit/ycbcr_input.h>
+#include "bmusb/bmusb.h"
+#include "ref_counted_frame.h"
+#include "tweaked_inputs.h"
+
+class FFmpegCapture;
+class LiveInputWrapper;
+struct InputState;
+
+namespace movit {
+class Effect;
+class EffectChain;
+class ResourcePool;
+}  // namespace movit
 
 class Theme {
 public:
-	Theme(const char *filename, movit::ResourcePool *resource_pool);
-	void register_class(const char *class_name, const luaL_Reg *funcs);
+	Theme(const std::string &filename, const std::vector<std::string> &search_dirs, movit::ResourcePool *resource_pool, unsigned num_cards);
+	~Theme();
 
-	std::pair<movit::EffectChain *, std::function<void()>>
-	get_chain(unsigned num, float t, unsigned width, unsigned height);
+	struct Chain {
+		movit::EffectChain *chain;
+		std::function<void()> setup_chain;
 
-	void set_input_textures(int signal_num, GLuint tex_y, GLuint tex_cbcr) {
-		input_textures[signal_num].tex_y = tex_y;
-		input_textures[signal_num].tex_cbcr = tex_cbcr;
-	}
-	int get_num_channels() { return num_channels; }
+		// 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 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;
+	}
+
+	void register_signal_connection(LiveInputWrapper *live_input, FFmpegCapture *capture)
+	{
+		signal_connections.emplace_back(live_input, capture);
+	}
+
+	std::vector<std::pair<LiveInputWrapper *, FFmpegCapture *>> get_signal_connections() const
+	{
+		return signal_connections;
+	}
+
 private:
+	void register_constants();
+	void register_class(const char *class_name, const luaL_Reg *funcs);
+
 	std::mutex m;
-	lua_State *L;
+	lua_State *L;  // Protected by <m>.
+	const InputState *input_state;  // Protected by <m>. Only set temporarily, during chain setup.
 	movit::ResourcePool *resource_pool;
-	struct {
-		GLuint tex_y = 0, tex_cbcr = 0;
-	} input_textures[16];  // FIXME
 	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;
+	std::vector<std::pair<LiveInputWrapper *, FFmpegCapture *>> signal_connections;
+
+	friend class LiveInputWrapper;
 };
 
+// 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);
+	// 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);
-	movit::YCbCrInput *get_input() const
+	void connect_signal_raw(int signal_num);
+	movit::Effect *get_effect() const
 	{
-		return input;
+		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.
-	movit::YCbCrInput *input;  // Owned by the chain.
-	int connected_signal_num = 0;
+	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;
 };
 
 #endif  // !defined(_THEME_H)