Enable more ffmpeg logging at startup of playback.

Allow logging in avformat_find_stream_info() if
"-v libav --loglevel debug" is specified.
This proves useful for live TV debugging among others.
(cherry picked from commit ae0dcaf6dfbbef1ac0bcc0cec1c684262ea9ee5c)
Fix StatusBox to account for template recording rules.

Cherry-pick part of SHA1:22c5dbff from master.