Also use the input name in the recording file name. (Most medias don't NowPlaying meta data)

src/input/input_internal.h

@@ -423,7 +423,7 @@ static inline void input_ChangeState( input_thread_t *p_input, int state )
 /* Helpers FIXME to export without input_ prefix */
 char *input_CreateFilename( vlc_object_t *p_obj, const char *psz_path, const char *psz_prefix, const char *psz_extension );
 
-#define INPUT_RECORD_PREFIX "vlc-record-%Y-%m-%d-%H:%M:%S-$p"
+#define INPUT_RECORD_PREFIX "vlc-record-%Y-%m-%d-%H:%M:%S-$ N-$ p"
 
 /* Access */