X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=theme.cpp;h=8d55b32d26fcf51b977029fdb7d118c74132299d;hb=4542b904b32b0abaf608ea33377e15a67b262481;hp=31eb23d2e36a67a4c7c14737d18cfb8bd3d1ef41;hpb=6d011e4760be6e45680b41a98b9049c1ec44c951;p=nageru

diff --git a/theme.cpp b/theme.cpp
index 31eb23d..8d55b32 100644
--- a/theme.cpp
+++ b/theme.cpp
@@ -8,6 +8,10 @@
 #include <movit/effect_chain.h>
 #include <movit/ycbcr_input.h>
 #include <movit/white_balance_effect.h>
+#include <movit/resample_effect.h>
+#include <movit/padding_effect.h>
+#include <movit/overlay_effect.h>
+#include <movit/resize_effect.h>
 
 #include "theme.h"
 
@@ -41,6 +45,20 @@ Theme *get_theme_updata(lua_State* L)
 	return (Theme *)lua_touserdata(L, lua_upvalueindex(1));
 }
 
+Effect *get_effect(lua_State *L, int idx)
+{
+	if (luaL_testudata(L, idx, "WhiteBalanceEffect") ||
+	    luaL_testudata(L, idx, "ResampleEffect") ||
+	    luaL_testudata(L, idx, "PaddingEffect") ||
+	    luaL_testudata(L, idx, "IntegralPaddingEffect") ||
+	    luaL_testudata(L, idx, "OverlayEffect") ||
+	    luaL_testudata(L, idx, "ResizeEffect")) {
+		return (Effect *)lua_touserdata(L, idx);
+	}
+	fprintf(stderr, "Error: Index #%d was not an Effect type\n", idx);
+	exit(1);
+}
+
 bool checkbool(lua_State* L, int idx)
 {
 	luaL_checktype(L, idx, LUA_TBOOLEAN);
@@ -66,15 +84,32 @@ int EffectChain_add_live_input(lua_State* L)
 
 int EffectChain_add_effect(lua_State* L)
 {
-	assert(lua_gettop(L) == 3);
+	assert(lua_gettop(L) >= 2);
 	EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain");
 
-	// FIXME: This needs a lot of work.
-	Effect *effect1 = (Effect *)luaL_checkudata(L, 2, "WhiteBalanceEffect");
-	LiveInputWrapper *effect2 = (LiveInputWrapper *)luaL_checkudata(L, 3, "LiveInputWrapper");
-	chain->add_effect(effect1, effect2->get_input());
+	// TODO: Better error reporting.
+	Effect *effect = get_effect(L, 2);
+	if (lua_gettop(L) == 2) {
+		chain->add_effect(effect);
+	} else {
+		vector<Effect *> inputs;
+		for (int idx = 3; idx <= lua_gettop(L); ++idx) {
+			if (luaL_testudata(L, idx, "LiveInputWrapper")) {
+				LiveInputWrapper *input = (LiveInputWrapper *)lua_touserdata(L, idx);
+				inputs.push_back(input->get_input());
+			} else {
+				inputs.push_back(get_effect(L, idx));
+			}
+		}
+		chain->add_effect(effect, inputs);
+	}
+
+	lua_settop(L, 2);  // Return the effect itself.
+
+	// Make sure Lua doesn't garbage-collect it away.
+	lua_pushvalue(L, -1);
+	luaL_ref(L, LUA_REGISTRYINDEX);  // TODO: leak?
 
-	lua_settop(L, 2);	
 	return 1;
 }
 
@@ -92,7 +127,7 @@ int EffectChain_finalize(lua_State* L)
 		YCbCrFormat output_ycbcr_format;
 		output_ycbcr_format.chroma_subsampling_x = 1;
 		output_ycbcr_format.chroma_subsampling_y = 1;
-		output_ycbcr_format.luma_coefficients = YCBCR_REC_601;
+		output_ycbcr_format.luma_coefficients = YCBCR_REC_709;
 		output_ycbcr_format.full_range = false;
 
 		chain->add_ycbcr_output(inout_format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, output_ycbcr_format, YCBCR_OUTPUT_SPLIT_Y_AND_CBCR);
@@ -120,10 +155,40 @@ int WhiteBalanceEffect_new(lua_State* L)
 	return wrap_lua_object<WhiteBalanceEffect>(L, "WhiteBalanceEffect");
 }
 
-int WhiteBalanceEffect_set_float(lua_State *L)
+int ResampleEffect_new(lua_State* L)
+{
+	assert(lua_gettop(L) == 0);
+	return wrap_lua_object<ResampleEffect>(L, "ResampleEffect");
+}
+
+int PaddingEffect_new(lua_State* L)
+{
+	assert(lua_gettop(L) == 0);
+	return wrap_lua_object<PaddingEffect>(L, "PaddingEffect");
+}
+
+int IntegralPaddingEffect_new(lua_State* L)
+{
+	assert(lua_gettop(L) == 0);
+	return wrap_lua_object<IntegralPaddingEffect>(L, "IntegralPaddingEffect");
+}
+
+int OverlayEffect_new(lua_State* L)
+{
+	assert(lua_gettop(L) == 0);
+	return wrap_lua_object<OverlayEffect>(L, "OverlayEffect");
+}
+
+int ResizeEffect_new(lua_State* L)
+{
+	assert(lua_gettop(L) == 0);
+	return wrap_lua_object<ResizeEffect>(L, "ResizeEffect");
+}
+
+int Effect_set_float(lua_State *L)
 {
 	assert(lua_gettop(L) == 3);
-	WhiteBalanceEffect *effect = (WhiteBalanceEffect *)luaL_checkudata(L, 1, "WhiteBalanceEffect");
+	Effect *effect = (Effect *)get_effect(L, 1);
 	size_t len;
 	const char* cstr = lua_tolstring(L, 2, &len);
 	std::string key(cstr, len);
@@ -132,6 +197,34 @@ int WhiteBalanceEffect_set_float(lua_State *L)
 	return 0;
 }
 
+int Effect_set_int(lua_State *L)
+{
+	assert(lua_gettop(L) == 3);
+	Effect *effect = (Effect *)get_effect(L, 1);
+	size_t len;
+	const char* cstr = lua_tolstring(L, 2, &len);
+	std::string key(cstr, len);
+	float value = luaL_checknumber(L, 3);
+	(void)effect->set_int(key, value);
+	return 0;
+}
+
+int Effect_set_vec4(lua_State *L)
+{
+	assert(lua_gettop(L) == 6);
+	Effect *effect = (Effect *)get_effect(L, 1);
+	size_t len;
+	const char* cstr = lua_tolstring(L, 2, &len);
+	std::string key(cstr, len);
+	float v[4];
+	v[0] = luaL_checknumber(L, 3);
+	v[1] = luaL_checknumber(L, 4);
+	v[2] = luaL_checknumber(L, 5);
+	v[3] = luaL_checknumber(L, 6);
+	(void)effect->set_vec4(key, v);
+	return 0;
+}
+
 const luaL_Reg EffectChain_funcs[] = {
 	{ "new", EffectChain_new },
 	{ "add_live_input", EffectChain_add_live_input },
@@ -147,7 +240,49 @@ const luaL_Reg LiveInputWrapper_funcs[] = {
 
 const luaL_Reg WhiteBalanceEffect_funcs[] = {
 	{ "new", WhiteBalanceEffect_new },
-	{ "set_float", WhiteBalanceEffect_set_float },
+	{ "set_float", Effect_set_float },
+	{ "set_int", Effect_set_int },
+	{ "set_vec4", Effect_set_vec4 },
+	{ NULL, NULL }
+};
+
+const luaL_Reg ResampleEffect_funcs[] = {
+	{ "new", ResampleEffect_new },
+	{ "set_float", Effect_set_float },
+	{ "set_int", Effect_set_int },
+	{ "set_vec4", Effect_set_vec4 },
+	{ NULL, NULL }
+};
+
+const luaL_Reg PaddingEffect_funcs[] = {
+	{ "new", PaddingEffect_new },
+	{ "set_float", Effect_set_float },
+	{ "set_int", Effect_set_int },
+	{ "set_vec4", Effect_set_vec4 },
+	{ NULL, NULL }
+};
+
+const luaL_Reg IntegralPaddingEffect_funcs[] = {
+	{ "new", IntegralPaddingEffect_new },
+	{ "set_float", Effect_set_float },
+	{ "set_int", Effect_set_int },
+	{ "set_vec4", Effect_set_vec4 },
+	{ NULL, NULL }
+};
+
+const luaL_Reg OverlayEffect_funcs[] = {
+	{ "new", OverlayEffect_new },
+	{ "set_float", Effect_set_float },
+	{ "set_int", Effect_set_int },
+	{ "set_vec4", Effect_set_vec4 },
+	{ NULL, NULL }
+};
+
+const luaL_Reg ResizeEffect_funcs[] = {
+	{ "new", ResizeEffect_new },
+	{ "set_float", Effect_set_float },
+	{ "set_int", Effect_set_int },
+	{ "set_vec4", Effect_set_vec4 },
 	{ NULL, NULL }
 };
 
@@ -189,7 +324,12 @@ Theme::Theme(const char *filename, ResourcePool *resource_pool)
        
 	register_class("EffectChain", EffectChain_funcs); 
 	register_class("LiveInputWrapper", LiveInputWrapper_funcs); 
-	register_class("WhiteBalanceEffect", WhiteBalanceEffect_funcs); 
+	register_class("WhiteBalanceEffect", WhiteBalanceEffect_funcs);
+	register_class("ResampleEffect", ResampleEffect_funcs);
+	register_class("PaddingEffect", PaddingEffect_funcs);
+	register_class("IntegralPaddingEffect", IntegralPaddingEffect_funcs);
+	register_class("OverlayEffect", OverlayEffect_funcs);
+	register_class("ResizeEffect", ResizeEffect_funcs);
 
 	// Run script.
 	lua_settop(L, 0);
@@ -204,7 +344,7 @@ Theme::Theme(const char *filename, ResourcePool *resource_pool)
 	lua_getglobal(L, "num_channels");
 
 	if (lua_pcall(L, 0, 1, 0) != 0) {
-		fprintf(stderr, "error running function `num_channels': %s", lua_tostring(L, -1));
+		fprintf(stderr, "error running function `num_channels': %s\n", lua_tostring(L, -1));
 		exit(1);
 	}
 
@@ -232,7 +372,7 @@ Theme::get_chain(unsigned num, float t, unsigned width, unsigned height)
 	lua_pushnumber(L, height);
 
 	if (lua_pcall(L, 4, 2, 0) != 0) {
-		fprintf(stderr, "error running function `get_chain': %s", lua_tostring(L, -1));
+		fprintf(stderr, "error running function `get_chain': %s\n", lua_tostring(L, -1));
 		exit(1);
 	}
 
@@ -249,10 +389,32 @@ Theme::get_chain(unsigned num, float t, unsigned width, unsigned height)
 
 		// Set up state, including connecting signals.
 		lua_rawgeti(L, LUA_REGISTRYINDEX, funcref);
-		lua_pcall(L, 0, 0, 0);
+		if (lua_pcall(L, 0, 0, 0) != 0) {
+			fprintf(stderr, "error running chain setup callback: %s\n", lua_tostring(L, -1));
+			exit(1);
+		}
 	});
 }
 
+std::vector<std::string> Theme::get_transition_names(float t)
+{
+	unique_lock<mutex> lock(m);
+	lua_getglobal(L, "get_transitions");
+	lua_pushnumber(L, t);
+	if (lua_pcall(L, 1, 1, 0) != 0) {
+		fprintf(stderr, "error running function `get_transitions': %s\n", lua_tostring(L, -1));
+		exit(1);
+	}
+
+	std::vector<std::string> ret;
+	lua_pushnil(L);
+	while (lua_next(L, -2) != 0) {
+		ret.push_back(lua_tostring(L, -1));
+		lua_pop(L, 1);
+	}
+	return ret;
+}	
+
 void Theme::connect_signal(YCbCrInput *input, int signal_num)
 {
 	input->set_texture_num(0, input_textures[signal_num].tex_y);
@@ -267,7 +429,19 @@ void Theme::transition_clicked(int transition_num, float t)
 	lua_pushnumber(L, t);
 
 	if (lua_pcall(L, 2, 0, 0) != 0) {
-		fprintf(stderr, "error running function `transition_clicked': %s", lua_tostring(L, -1));
+		fprintf(stderr, "error running function `transition_clicked': %s\n", lua_tostring(L, -1));
+		exit(1);
+	}
+}
+
+void Theme::channel_clicked(int preview_num)
+{
+	unique_lock<mutex> lock(m);
+	lua_getglobal(L, "channel_clicked");
+	lua_pushnumber(L, preview_num);
+
+	if (lua_pcall(L, 1, 0, 0) != 0) {
+		fprintf(stderr, "error running function `channel_clicked': %s\n", lua_tostring(L, -1));
 		exit(1);
 	}
 }