Evaluating GStreamer

[Sourav]

Hi,
We are evaluating GStreamer framework to be used inside the codebase of 
our existing routers(Data Stream switch functionality). The requirements 
are as follows-

Data stream switch to support at least the following from the get-go:

o Raw mode (I.E normal Serial PADD)

o Modbus GW/C

o Should be written in an extensible way to support future file/port 
handlers and processing ‘codecs’.

o Should have a basic UI for user configuration

Possible future use cases could include:

o USB Audio conversion to Flac codec, streamed to the internet via RTP 
over UDP

o Analogue Telephone Port, to DTMF listener, with digits dialled 
streamed out to a TCP port in packet format (Raw, or maybe even 
RFC2833/SIP INFO)

o Extensibility for future file/port handlers and codecs should be 
carefully designed and documented to support SDK users who may use this 
framework to add their own advanced functionality.


One of the main concerns is for bi-directional data flows support and I 
suspect that existing solutions such as GStreamer tend to be one way as 
far as data flow is concerned. We will require bidirectional data flow 
for protocols like Modbus(req/rsp). Could bidirectional data flow be 
implemented in GStreamer? If so how?

Also since the requirement is for embedded environments,hence how 
feasible it is to have GStreamer as part of out embedded router environment?

Please send your response asap as that would let us choose to go or not 
to go with it. Time is a constraint and we want to decide asap.

Warm Regards,
Sourav



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