+ DVB Subtitle: more details in trace

git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6400 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da
x AAC: optimization of instantaneous bit rate computing speed

git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6401 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da
x SMPTE ST 337: compilation issue with some defines

git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6402 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da