#include <movit/white_balance_effect.h>
#include <movit/resample_effect.h>
#include <movit/padding_effect.h>
+#include <movit/overlay_effect.h>
#include "theme.h"
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, "IntegralPaddingEffect") ||
+ luaL_testudata(L, idx, "OverlayEffect")) {
return (Effect *)lua_touserdata(L, idx);
}
fprintf(stderr, "Error: Index #%d was not an Effect type\n", idx);
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");
// TODO: Better error reporting.
- Effect *effect1 = get_effect(L, 2);
- if (luaL_testudata(L, 3, "LiveInputWrapper")) {
- LiveInputWrapper *effect2 = (LiveInputWrapper *)lua_touserdata(L, 3);
- chain->add_effect(effect1, effect2->get_input());
- } else {
- Effect *effect2 = get_effect(L, 3);
- chain->add_effect(effect1, effect2);
+ Effect *effect = get_effect(L, 2);
+ 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);
+ lua_settop(L, 2); // Return the effect itself.
return 1;
}
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 Effect_set_float(lua_State *L)
{
assert(lua_gettop(L) == 3);
{ NULL, NULL }
};
+const luaL_Reg OverlayEffect_funcs[] = {
+ { "new", OverlayEffect_new },
+ { "set_float", Effect_set_float },
+ { "set_int", Effect_set_int },
+ { NULL, NULL }
+};
+
} // namespace
LiveInputWrapper::LiveInputWrapper(Theme *theme, EffectChain *chain)
register_class("ResampleEffect", ResampleEffect_funcs);
register_class("PaddingEffect", PaddingEffect_funcs);
register_class("IntegralPaddingEffect", IntegralPaddingEffect_funcs);
+ register_class("OverlayEffect", OverlayEffect_funcs);
// Run script.
lua_settop(L, 0);
padding_effect:set_int("height", 720);
padding_effect:set_int("left", 30);
padding_effect:set_int("top", 60);
-local wb_effect = main_chain:add_effect(WhiteBalanceEffect.new(), padding_effect);
+local input1 = main_chain:add_live_input();
+input1:connect_signal(1);
+local wb_effect = main_chain:add_effect(WhiteBalanceEffect.new(), input1);
+local overlay_effect = main_chain:add_effect(OverlayEffect.new(), wb_effect, padding_effect);
main_chain:finalize(true);
--- local input1 = main_chain.add_input(Inputs.create(1));
--- local resample_effect = main_chain.add_effect(ResampleEffect.new(), input0);
--- local padding_effect = main_chain.add_effect(IntegralPaddingEffect.new());
-- A chain to show a single input on screen.
local simple_chain = EffectChain.new(16, 9);
if num == 0 then -- Live.
prepare = function()
input0:connect_signal(live_signal_num);
+ input1:connect_signal(1);
wb_effect:set_float("output_color_temperature", 3500.0 + t * 100.0);
end
return main_chain, prepare;