Fix megavideo lua demuxer

The '\n' was absent from the binary data, and several URLs wouldn't play properly
Simplify the decoding
Remove debug print()
Distribute the file

share/Makefile.am

@@ -259,6 +259,7 @@ DIST_lua= \
 	luaplaylist/lelombrik.lua \
 	luaplaylist/youtube.lua \
 	luaplaylist/youtube_homepage.lua \
+    luaplaylist/megavideo.lua \
 	luaplaylist/metacafe.lua \
 	luaplaylist/googlevideo.lua \
 	luaintf/http.lua \

share/luaplaylist/megavideo.lua

@@ -47,7 +47,7 @@ function parse()
             xml = ""
             while line do
                 -- buffer the full xml
-                xml = xml .. line
+                xml = xml .. line .. '\n'
                 line = vlc.readline()
             end
             -- now gets the encoded url
@@ -56,26 +56,18 @@ function parse()
             i = 1
             while s:byte(i) do
                 c = s:byte(i)
-                if c % 4 < 2 then
-                    if c < 16 and c > 3 then key = 61
-                    elseif c < 96 and c > 67 then key = 189
+                if c % 4 < 2 then mod = 0 else mod = 4 end
+                if c < 16 and c > 3 then key = 61 + mod
+                elseif c < 96 and c > 67 then key = 189 + mod
                 elseif c < 20 and c > 6 then key = 65
                 else vlc.msg_err("Oops, please report URL to developers")
                 end
-                else
-                    if c < 16 and c > 3 then key = 65
-                    elseif c < 96 and c > 67 then key = 193
-                    elseif c < 20 and c > 6 then key = 65
-                    else vlc.msg_err("Oops, please report URL to developers")
-                    end
-                end
                 i = i + 1
                 path = path .. string.char(key - c)
             end
         end
         if path then break end
     end
-    print( path )
     if path then
         return { { path = path } }
     else