> On Aug 12, 2019, at 6:05 AM, Hallmann, Dietmar <dietmar.hallm...@airbus.com> 
> wrote:
> 
> I’m working on a project where I capture a video framebuffer, encode it with 
> NVIDIA encoder and stream it as an elementary h264/265 video stream via 
> live555 mpeg2 transport container. It works fine and it’s really fast with 
> negligible latencies.  I use an instance of MPEG2TransportStreamFromESSource 
> and add an elementary video stream by using addNewVideoSource. I saw that 
> this is possible for both video and audio elementary streams.
> Maybe it’s a stupid question and I don’t want to waste your time but is it 
> possible to add arbitrary data, for instance meta data, as a source to the 
> same container

Probably not with the existing code; it assumes that the streams being 
multiplexed into a Transport Stream are audio or video.

If we were to support adding a new type of stream to a Transport Stream, it 
would have to be something that’s been standardized (not some arbitrary, 
non-standard data).

An alternative would be to stream your H.264/H.265 video data as RTP, rather 
than packing it into a Transport Stream.  Then, if your metadata is textual 
(timed text), then you could also stream it as RTP, using our “T140TextRTPSink” 
class.


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/


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