tsparse and tsdemux

[i.nixman at autistici.org]

On 2022-02-04 14:15, Nicolas Dufresne via gstreamer-devel wrote:
> Le vendredi 04 février 2022 à 12:41 +0000, i.nixman--- via 
> gstreamer-devel a
> écrit :
>> everything works as it should, but I have a question: if I add tsparse
>> to the second pipeline before tsdemux, everything will still work
>> successfully.
>> the question is why does tsdemux work successfully without using 
>> tsparse
>> and when should tsparse be used?
> 
> tsparse is mostly a subset of tsdemux, so you don't usually need to 
> pre-process
> the TS for demuxing. One of the main use case for tsparse is to set 
> timestamps
> into the otherwise bytes you are receiving. See the "set-timestamp" 
> property. It
> will track the PCR and figure-out the time information without 
> separating the
> streams.
> 
> You could use this to notably stream from file of bytes stream to RTP 
> using
> rtpmp2tpay element, without the overhead and complexity of demuxing and 
> muxing
> again.
> 
> Nicolas

got it!
many thanks Nicolas!


best!