[FFmpeg-devel] FLV "special" metadata

Joseph Wecker jwecker at justin.tv
Thu Aug 25 22:05:10 CEST 2011


On Wed, Aug 24, 2011 at 11:23 PM, Reimar Döffinger <Reimar.Doeffinger at gmx.de
> wrote:

> 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.
>
>
Indeed- don't know how I missed that. Will do. Thanks again.

-- 

Joseph Wecker | Senior Engineer | Justin.tv <http://www.justin.tv/> |
650.898.7170 | jwecker at justin.tv


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