OggInfo

Draft of an infoAPI with ogginfo as a sample application:

generic:

• is_audio boolean
• is_video boolean
• is_text boolean
• version int
• codec string
• comment string
• vendor string
• target bitrate int
• nominal bitrate int
• quality float

audio:

• samplerate int
• channels int

video:

• size int,int
• fps int,int
• sar int,int
• dar int,int
• colorspace

text:

• language string
• encoding int/string ?