Argument 2 ($exception) is $e->getMessage() of type string but \watchdog_exception() takes \Exception

Problem/Motivation

There are some bugs, needs to be fixed
1. "Argument 2 ($exception) is $e->getMessage() of type string but \watchdog_exception() takes \Exception" in brightcove.module, line 1133
2. "Argument 2 ($args) is 'error' of type 'error' but \t() takes array in brightcove.playlist.inc", line 312
3. "Argument 2 ($array) is ',' of type '\x2c' but \join() takes array (real type ?array)" in brightcove_field/brightcove-field-player.tpl.php, line 24