Implement basic support for CEF.

[nageru] / theme.cpp

diff --git a/theme.cpp b/theme.cpp
index c03776b4b8e0a8b53bbb9ec04f625bff74a707c5..d43cc3299c529f759fcbd692fa98fec74465aabe 100644 (file)
--- a/theme.cpp
+++ b/theme.cpp
@@ -28,6 +28,7 @@
 #include <utility>
 
 #include "defs.h"
+#include "cef_capture.h"
 #include "ffmpeg_capture.h"
 #include "flags.h"
 #include "image_input.h"
@@ -227,7 +228,29 @@ int EffectChain_add_video_input(lua_State* L)
        if (ret == 1) {
                Theme *theme = get_theme_updata(L);
                LiveInputWrapper **live_input = (LiveInputWrapper **)lua_touserdata(L, -1);
-               theme->register_signal_connection(*live_input, *capture);
+               theme->register_video_signal_connection(*live_input, *capture);
+       }
+       return ret;
+}
+
+int EffectChain_add_html_input(lua_State* L)
+{
+       assert(lua_gettop(L) == 2);
+       Theme *theme = get_theme_updata(L);
+       EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain");
+       CEFCapture **capture = (CEFCapture **)luaL_checkudata(L, 2, "HTMLInput");
+
+       // These need to be nonowned, so that the LiveInputWrapper still exists
+       // and can feed frames to the right EffectChain even if the Lua code
+       // doesn't care about the object anymore. (If we change this, we'd need
+       // to also unregister the signal connection on __gc.)
+       int ret = wrap_lua_object_nonowned<LiveInputWrapper>(
+               L, "LiveInputWrapper", theme, chain, (*capture)->get_current_pixel_format(),
+               /*override_bounce=*/false, /*deinterlace=*/false);
+       if (ret == 1) {
+               Theme *theme = get_theme_updata(L);
+               LiveInputWrapper **live_input = (LiveInputWrapper **)lua_touserdata(L, -1);
+               theme->register_html_signal_connection(*live_input, *capture);
        }
        return ret;
 }
@@ -386,6 +409,27 @@ int VideoInput_get_signal_num(lua_State* L)
        return 1;
 }
 
+int HTMLInput_new(lua_State* L)
+{
+       assert(lua_gettop(L) == 1);
+       string url = checkstdstring(L, 1);
+       int ret = wrap_lua_object_nonowned<CEFCapture>(L, "HTMLInput", url, global_flags.width, global_flags.height);
+       if (ret == 1) {
+               CEFCapture **capture = (CEFCapture **)lua_touserdata(L, -1);
+               Theme *theme = get_theme_updata(L);
+               theme->register_html_input(*capture);
+       }
+       return ret;
+}
+
+int HTMLInput_get_signal_num(lua_State* L)
+{
+       assert(lua_gettop(L) == 1);
+       CEFCapture **video_input = (CEFCapture **)luaL_checkudata(L, 1, "HTMLInput");
+       lua_pushnumber(L, -1 - (*video_input)->get_card_index());
+       return 1;
+}
+
 int WhiteBalanceEffect_new(lua_State* L)
 {
        assert(lua_gettop(L) == 0);
@@ -566,6 +610,7 @@ const luaL_Reg EffectChain_funcs[] = {
        { "__gc", EffectChain_gc },
        { "add_live_input", EffectChain_add_live_input },
        { "add_video_input", EffectChain_add_video_input },
+       { "add_html_input", EffectChain_add_html_input },
        { "add_effect", EffectChain_add_effect },
        { "finalize", EffectChain_finalize },
        { NULL, NULL }
@@ -593,6 +638,13 @@ const luaL_Reg VideoInput_funcs[] = {
        { NULL, NULL }
 };
 
+const luaL_Reg HTMLInput_funcs[] = {
+       // TODO: reload, set_url, execute_javascript, perhaps change_framerate?
+       { "new", HTMLInput_new },
+       { "get_signal_num", HTMLInput_get_signal_num },
+       { NULL, NULL }
+};
+
 const luaL_Reg WhiteBalanceEffect_funcs[] = {
        { "new", WhiteBalanceEffect_new },
        { "set_float", Effect_set_float },
@@ -906,6 +958,7 @@ Theme::Theme(const string &filename, const vector<string> &search_dirs, Resource
        register_class("LiveInputWrapper", LiveInputWrapper_funcs); 
        register_class("ImageInput", ImageInput_funcs);
        register_class("VideoInput", VideoInput_funcs);
+       register_class("HTMLInput", HTMLInput_funcs);
        register_class("WhiteBalanceEffect", WhiteBalanceEffect_funcs);
        register_class("ResampleEffect", ResampleEffect_funcs);
        register_class("PaddingEffect", PaddingEffect_funcs);