X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=theme.cpp;h=62e3640f509f2844df951df5db2b4e7476a8af1d;hb=196392c483a9cbf7fd7b572d9242aa283031453f;hp=bd1259062780ae0859b65b4042fdfa644785d745;hpb=46a29f577f39bf2000553e53683b34b7f50f8dbf;p=nageru

diff --git a/theme.cpp b/theme.cpp
index bd12590..62e3640 100644
--- a/theme.cpp
+++ b/theme.cpp
@@ -20,22 +20,39 @@
 #include <cstddef>
 #include <new>
 #include <utility>
+#include <memory>
 
+#include "defs.h"
 #include "image_input.h"
+#include "mixer.h"
 
 namespace movit {
 class ResourcePool;
 }  // namespace movit
 
-#define WIDTH 1280  // FIXME
-#define HEIGHT 720  // FIXME
-
 using namespace std;
 using namespace movit;
 
+extern Mixer *global_mixer;
+
 namespace {
 
-vector<LiveInputWrapper *> live_inputs;
+class LuaRefWithDeleter {
+public:
+	LuaRefWithDeleter(mutex *m, lua_State *L, int ref) : m(m), L(L), ref(ref) {}
+	~LuaRefWithDeleter() {
+		unique_lock<mutex> lock(*m);
+		luaL_unref(L, LUA_REGISTRYINDEX, ref);
+	}
+	int get() const { return ref; }
+
+private:
+	LuaRefWithDeleter(const LuaRefWithDeleter &) = delete;
+
+	mutex *m;
+	lua_State *L;
+	int ref;
+};
 
 template<class T, class... Args>
 int wrap_lua_object(lua_State* L, const char *class_name, Args&&... args)
@@ -425,7 +442,19 @@ LiveInputWrapper::LiveInputWrapper(Theme *theme, EffectChain *chain, bool overri
 
 void LiveInputWrapper::connect_signal(int signal_num)
 {
-	theme->connect_signal(input, signal_num);
+	if (global_mixer == nullptr) {
+		return;
+	}
+
+	signal_num = theme->map_signal(signal_num);
+
+	BufferedFrame frame = theme->input_state->buffered_frames[signal_num][0];
+	const PBOFrameAllocator::Userdata *userdata = (const PBOFrameAllocator::Userdata *)frame.frame->userdata;
+
+	input->set_texture_num(0, userdata->tex_y[frame.field_number]);
+	input->set_texture_num(1, userdata->tex_cbcr[frame.field_number]);
+	input->set_width(userdata->last_width[frame.field_number]);
+	input->set_height(userdata->last_height[frame.field_number]);
 }
 
 Theme::Theme(const char *filename, ResourcePool *resource_pool, unsigned num_cards)
@@ -479,9 +508,10 @@ void Theme::register_class(const char *class_name, const luaL_Reg *funcs)
 	assert(lua_gettop(L) == 0);
 }
 
-pair<EffectChain *, function<void()>>
-Theme::get_chain(unsigned num, float t, unsigned width, unsigned height)
+Theme::Chain Theme::get_chain(unsigned num, float t, unsigned width, unsigned height, InputState input_state) 
 {
+	Chain chain;
+
 	unique_lock<mutex> lock(m);
 	assert(lua_gettop(L) == 0);
 	lua_getglobal(L, "get_chain");  /* function to be called */
@@ -495,26 +525,39 @@ Theme::get_chain(unsigned num, float t, unsigned width, unsigned height)
 		exit(1);
 	}
 
-	EffectChain *chain = (EffectChain *)luaL_checkudata(L, -2, "EffectChain");
+	chain.chain = (EffectChain *)luaL_checkudata(L, -2, "EffectChain");
 	if (!lua_isfunction(L, -1)) {
 		fprintf(stderr, "Argument #-1 should be a function\n");
 		exit(1);
 	}
 	lua_pushvalue(L, -1);
-	int funcref = luaL_ref(L, LUA_REGISTRYINDEX);  // TODO: leak!
+	shared_ptr<LuaRefWithDeleter> funcref(new LuaRefWithDeleter(&m, L, luaL_ref(L, LUA_REGISTRYINDEX)));
 	lua_pop(L, 2);
 	assert(lua_gettop(L) == 0);
-	return make_pair(chain, [this, funcref]{
+
+	chain.setup_chain = [this, funcref, input_state]{
 		unique_lock<mutex> lock(m);
 
+		this->input_state = &input_state;
+
 		// Set up state, including connecting signals.
-		lua_rawgeti(L, LUA_REGISTRYINDEX, funcref);
+		lua_rawgeti(L, LUA_REGISTRYINDEX, funcref->get());
 		if (lua_pcall(L, 0, 0, 0) != 0) {
 			fprintf(stderr, "error running chain setup callback: %s\n", lua_tostring(L, -1));
 			exit(1);
 		}
 		assert(lua_gettop(L) == 0);
-	});
+	};
+
+	// TODO: Can we do better, e.g. by running setup_chain() and seeing what it references?
+	// Actually, setup_chain does maybe hold all the references we need now anyway?
+	for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+		for (unsigned frame_num = 0; frame_num < FRAME_HISTORY_LENGTH; ++frame_num) {
+			chain.input_frames.push_back(input_state.buffered_frames[card_index][frame_num].frame);
+		}
+	}
+
+	return chain;
 }
 
 std::string Theme::get_channel_name(unsigned channel)
@@ -586,7 +629,7 @@ std::vector<std::string> Theme::get_transition_names(float t)
 	return ret;
 }	
 
-void Theme::connect_signal(YCbCrInput *input, int signal_num)
+int Theme::map_signal(int signal_num)
 {
 	if (signal_num >= int(num_cards)) {
 		if (signals_warned_about.insert(signal_num).second) {
@@ -595,8 +638,7 @@ void Theme::connect_signal(YCbCrInput *input, int signal_num)
 		}
 		signal_num %= num_cards;
 	}
-	input->set_texture_num(0, input_textures[signal_num].tex_y);
-	input->set_texture_num(1, input_textures[signal_num].tex_cbcr);
+	return signal_num;
 }
 
 void Theme::transition_clicked(int transition_num, float t)