[FFmpeg-devel] FLV "special" metadata

[Reimar Döffinger]

On 25 Aug 2011, at 00:25, Joseph Wecker <jwecker at justin.tv> wrote:
> 2 - in flvdec treat these special metadata frames as subtitle packets
> (and therefore set up a stream in addition to the video/audio ones
> that get set up), in flvenc have it correctly process those subtitle
> packets and turn them into 'special' metadata frames-  using a format
> that is applicable to one of the handful of existing subtitle codecs
> or just creating a simple new subtitle codec. (like 'normal' metadata,
> the inband stuff is essentially just a key/value dictionary). An
> advantage here is it could conceivably be used more generally by other
> codecs / muxers / demuxers.

There are generic "data" streams. I don't think they should be marked as subtitle is they aren't.