Add an explanation and complete the metadata usage example.
commitd5f1cc0308cc4af253a56b4c9e93dd8b0f4acdcb
authorstefano <stefano@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Wed, 1 Jul 2009 20:11:53 +0000 (1 20:11 +0000)
committerstefano <stefano@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Wed, 1 Jul 2009 20:11:53 +0000 (1 20:11 +0000)
treed00e6c41076c9a6df71c14848a633be7507cc95d
parent248dc1dd4cacbb7cb27d6bc0e66ff4f902b3bdc0
Add an explanation and complete the metadata usage example.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@19320 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
doc/ffmpeg-doc.texi