CLuaInstVideo: Add script function 'setInfoFunc()'...

...for displaying information in the movieplayer

 - Set Lua api version to 1.36

src/gui/lua/lua_video.cpp

@@ -27,6 +27,7 @@
 #include <global.h>
 #include <system/debug.h>
 #include <gui/movieplayer.h>
+#include <gui/widget/messagebox.h>
 #include <zapit/zapit.h>
 #include <video.h>
 #include <neutrino.h>
@@ -58,6 +59,7 @@ void CLuaInstVideo::LuaVideoRegister(lua_State *L)
 		{ "ShowPicture",            CLuaInstVideo::ShowPicture },
 		{ "StopPicture",            CLuaInstVideo::StopPicture },
 		{ "PlayFile",               CLuaInstVideo::PlayFile },
+		{ "setInfoFunc",            CLuaInstVideo::setInfoFunc },
 		{ "zapitStopPlayBack",      CLuaInstVideo::zapitStopPlayBack },
 		{ "channelRezap",           CLuaInstVideo::channelRezap },
 		{ "createChannelIDfromUrl", CLuaInstVideo::createChannelIDfromUrl },
@@ -170,13 +172,56 @@ int CLuaInstVideo::PlayFile(lua_State *L)
 	std::string si1(info1);
 	std::string si2(info2);
 	std::string sf(fname);
+	if (D != NULL && !D->infoFunc.empty())
+		CMoviePlayerGui::getInstance().setLuaInfoFunc(L, true);
 	CMoviePlayerGui::getInstance().SetFile(st, sf, si1, si2);
 	CMoviePlayerGui::getInstance().exec(NULL, "http_lua");
+	CMoviePlayerGui::getInstance().setLuaInfoFunc(L, false);
 	int ret = CMoviePlayerGui::getInstance().getKeyPressed();
 	lua_pushinteger(L, ret);
 	return 1;
 }
 
+int CLuaInstVideo::setInfoFunc(lua_State *L)
+{
+	CLuaVideo *D = VideoCheckData(L, 1);
+	if (!D) return 0;
+
+	int numargs = lua_gettop(L);
+	if (numargs < 2) {
+		printf("CLuaInstVideo::%s: not enough arguments (%d, expected 1)\n", __func__, numargs-1);
+		return 0;
+	}
+
+	D->infoFunc = luaL_checkstring(L, 2);
+	return 0;
+}
+
+bool CLuaInstVideo::execLuaInfoFunc(lua_State *L, int xres, int yres, int aspectRatio, int framerate)
+{
+	CLuaVideo *D = VideoCheckData(L, 1);
+	if (!D) return false;
+
+	lua_getglobal(L, D->infoFunc.c_str());
+	lua_pushinteger(L, (lua_Integer)xres);
+	lua_pushinteger(L, (lua_Integer)yres);
+	lua_pushinteger(L, (lua_Integer)aspectRatio);
+	lua_pushinteger(L, (lua_Integer)framerate);
+	int status = lua_pcall(L, 4, 0, 0);
+	if (status) {
+		char msg[1024];
+		lua_Debug ar;
+		lua_getstack(L, 1, &ar);
+		lua_getinfo(L, "Sl", &ar);
+		memset(msg, '\0', sizeof(msg));
+		snprintf(msg, sizeof(msg)-1, "[%s:%d] error running function '%s': %s", ar.short_src, ar.currentline, D->infoFunc.c_str(), lua_tostring(L, -1));
+		fprintf(stderr, "[CLuaInstVideo::%s:%d] %s\n", __func__, __LINE__, msg);
+		DisplayErrorMessage(msg);
+		return false;
+	}
+	return true;
+}
+
 int CLuaInstVideo::zapitStopPlayBack(lua_State *L)
 {
 	/* workaround for deprecated functions */

src/gui/lua/lua_video.h

@@ -24,7 +24,8 @@ class CLuaVideo
 {
 	public:
 		bool singlePlay;
-		CLuaVideo() { singlePlay=false; };
+		std::string infoFunc;
+		CLuaVideo() { singlePlay=false; infoFunc=""; };
 		~CLuaVideo() {};
 };
 
@@ -36,6 +37,7 @@ class CLuaInstVideo
 		static CLuaInstVideo* getInstance();
 		static void LuaVideoRegister(lua_State *L);
 		static int channelRezap(lua_State *L);
+		static bool execLuaInfoFunc(lua_State *L, int xres, int yres, int aspectRatio, int framerate);
 
 		/* deprecated functions */
 		static int setBlank_old(lua_State *L);
@@ -53,6 +55,7 @@ class CLuaInstVideo
 		static int ShowPicture(lua_State *L);
 		static int StopPicture(lua_State *L);
 		static int PlayFile(lua_State *L);
+		static int setInfoFunc(lua_State *L);
 		static int zapitStopPlayBack(lua_State *L);
 		static int createChannelIDfromUrl(lua_State *L);
 		static int getNeutrinoMode(lua_State *L);

src/gui/lua/luainstance.h

@@ -32,7 +32,7 @@ extern "C" {
 
 #if 0
 #define LUA_API_VERSION_MAJOR 1
-#define LUA_API_VERSION_MINOR 35
+#define LUA_API_VERSION_MINOR 36
 #endif
 
 void LuaInstRegisterFunctions(lua_State *L, bool fromThreads=false);

src/gui/movieplayer.cpp

@@ -44,6 +44,7 @@
 #include <gui/plugins.h>
 #include <gui/videosettings.h>
 #include <gui/streaminfo2.h>
+#include <gui/lua/lua_video.h>
 #include <gui/screensaver.h>
 #include <driver/screenshot.h>
 #include <driver/volume.h>
@@ -190,6 +191,7 @@ void CMoviePlayerGui::Init(void)
 	filelist_it = filelist.end();
 	keyPressed = CMoviePlayerGui::PLUGIN_PLAYSTATE_NORMAL;
 	isLuaPlay = false;
+	haveLuaInfoFunc = false;
 	blockedFromPlugin = false;
 	m_screensaver = false;
 	m_idletime = time(NULL);
@@ -309,6 +311,7 @@ int CMoviePlayerGui::exec(CMenuTarget * parent, const std::string & actionKey)
 		isLuaPlay = true;
 		is_file_player = true;
 		PlayFile();
+		haveLuaInfoFunc = false;
 	}
 	else {
 		return menu_return::RETURN_REPAINT;
@@ -1725,14 +1728,25 @@ void CMoviePlayerGui::handleMovieBrowser(neutrino_msg_t msg, int /*position*/)
 				cMovieInfo.saveMovieInfo(*p_movie_info);	/* save immediately in xml file */
 			}
 		}
-	} else if (msg == NeutrinoMessages::SHOW_EPG && p_movie_info) {
+	} else if (msg == NeutrinoMessages::SHOW_EPG && (p_movie_info || (isLuaPlay && haveLuaInfoFunc))) {
 		CTimeOSD::mode m_mode = FileTime.getMode();
 		bool restore = FileTime.IsVisible();
 		if (restore)
 			FileTime.kill();
 		InfoClock->enableInfoClock(false);
 
-		cMovieInfo.showMovieInfo(*p_movie_info);
+		if (isLuaPlay && haveLuaInfoFunc) {
+			int xres = 0, yres = 0, aspectRatio = 0, framerate = -1;
+			if (!videoDecoder->getBlank()) {
+				videoDecoder->getPictureInfo(xres, yres, framerate);
+				if (yres == 1088)
+					yres = 1080;
+				aspectRatio = videoDecoder->getAspectRatio();
+			}
+			CLuaInstVideo::getInstance()->execLuaInfoFunc(luaState, xres, yres, aspectRatio, framerate);
+		}
+		else if (p_movie_info)
+			cMovieInfo.showMovieInfo(*p_movie_info);
 
 		InfoClock->enableInfoClock(true);
 		if (restore) {

src/gui/movieplayer.h

@@ -53,6 +53,12 @@
 #include <OpenThreads/Thread>
 #include <OpenThreads/Condition>
 
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+#include <lualib.h>
+}
+
 class CMoviePlayerGui : public CMenuTarget
 {
  public:
@@ -91,6 +97,8 @@ class CMoviePlayerGui : public CMenuTarget
 	CMoviePlayerGui::state playstate;
 	int keyPressed;
 	bool isLuaPlay;
+	bool haveLuaInfoFunc;
+	lua_State* luaState;
 	bool blockedFromPlugin;
 	int speed;
 	int startposition;
@@ -230,6 +238,7 @@ class CMoviePlayerGui : public CMenuTarget
 	void restoreNeutrino();
 	void setBlockedFromPlugin(bool b) { blockedFromPlugin = b; };
 	bool getBlockedFromPlugin() { return blockedFromPlugin; };
+	void setLuaInfoFunc(lua_State* L, bool func) { luaState = L; haveLuaInfoFunc = func; };
 };
 
 #endif