#ifndef _THEME_H
#define _THEME_H 1
-#include <epoxy/gl.h>
-#include <lauxlib.h>
-#include <lua.h>
-#include <movit/effect_chain.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 <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;
-struct ImageFormat;
-struct YCbCrFormat;
} // namespace movit
-#define MAX_CARDS 16
-
-class NonBouncingYCbCrInput : public movit::YCbCrInput {
+class Theme {
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) {}
+ Theme(const std::string &filename, const std::vector<std::string> &search_dirs, movit::ResourcePool *resource_pool, unsigned num_cards);
+ ~Theme();
- bool override_disable_bounce() const override { return true; }
-};
+ struct Chain {
+ movit::EffectChain *chain;
+ std::function<void()> setup_chain;
-class Theme {
-public:
- Theme(const char *filename, movit::ResourcePool *resource_pool, unsigned num_cards);
+ // FRAME_HISTORY frames for each input, in order. Will contain duplicates
+ // for non-interlaced inputs.
+ std::vector<RefCountedFrame> input_frames;
+ };
- std::pair<movit::EffectChain *, std::function<void()>>
- get_chain(unsigned num, float t, unsigned width, unsigned height);
+ Chain get_chain(unsigned num, float t, unsigned width, unsigned height, InputState input_state);
- 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; }
+ 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;
+ }
+
+#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(LiveInputWrapper *live_input, FFmpegCapture *capture)
+ {
+ video_signal_connections.emplace_back(live_input, capture);
+ }
+
+ std::vector<std::pair<LiveInputWrapper *, FFmpegCapture *>> get_video_signal_connections() const
+ {
+ return video_signal_connections;
+ }
+
+#ifdef HAVE_CEF
+ void register_html_signal_connection(LiveInputWrapper *live_input, CEFCapture *capture)
+ {
+ html_signal_connections.emplace_back(live_input, capture);
+ }
+
+ std::vector<std::pair<LiveInputWrapper *, CEFCapture *>> get_html_signal_connections() const
+ {
+ return html_signal_connections;
+ }
+#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;
+ lua_State *L; // Protected by <m>.
+ const InputState *input_state = nullptr; // Protected by <m>. Only set temporarily, during chain setup.
movit::ResourcePool *resource_pool;
- struct {
- GLuint tex_y = 0, tex_cbcr = 0;
- } input_textures[MAX_CARDS];
int num_channels;
unsigned num_cards;
- std::set<int> signals_warned_about;
+
+ 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 *>> video_signal_connections;
+#ifdef HAVE_CEF
+ std::vector<CEFCapture *> html_inputs;
+ std::vector<std::pair<LiveInputWrapper *, CEFCapture *>> 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);
+ // 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(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
{
- 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)