hadle streams in playlist properly

src/helpers.cpp

@@ -361,7 +361,13 @@ string DisplaySongInColumns(const Song &s, void *s_template, const Menu<Song> *)
 				ss = s.GetArtist();
 				break;
 			case 't':
-				ss = s.GetTitle() != UNKNOWN_TITLE ? s.GetTitle() : s.GetShortFilename().substr(0, s.GetShortFilename().find_last_of("."));
+				if (s.GetTitle() != UNKNOWN_TITLE)
+					ss = s.GetTitle();
+				else
+				{
+					const string &file = s.GetShortFilename();
+					ss = !s.IsStream() ? file.substr(0, file.find_last_of(".")) : file;
+				}
 				break;
 			case 'b':
 				ss = s.GetAlbum();

src/ncmpcpp.cpp

@@ -2291,7 +2291,11 @@ int main(int argc, char *argv[])
 					default:
 						break;
 				}
-				if (GetSongTags(edited_song))
+				if (edited_song.IsStream())
+				{
+					ShowMessage("Cannot edit streams!");
+				}
+				else if (GetSongTags(edited_song))
 				{
 					wPrev = wCurrent;
 					wCurrent = mTagEditor;

src/song.cpp

@@ -88,7 +88,7 @@ Song::~Song()
 
 string Song::GetLength() const
 {
-	if (!itsSong->time)
+	if (itsSong->time <= 0)
 		return "-:--";
 	return ShowTime(itsSong->time);
 }

src/song.h

@@ -82,6 +82,7 @@ class Song
 		void GetEmptyFields(bool get) { itsGetEmptyFields = get; }
 		void Clear();
 		bool Empty() const;
+		bool IsStream() const { return isStream; }
 		
 		Song & operator=(const Song &);
 		bool operator==(const Song &) const;