Loading Appropriate Decoders

[uday]

I am trying to implement push mode direct show rtsp source filter.
During sdp session, I have the information of stream properties as
follows:

Sample Rate = 22050
No. of Channels = 1
MIME TYPE = MP4-LATM
Bits per second = 30 kbps

In the GetMedia function, I can set the above properties using
WAVEFORMATEX structure. Any suggestions to the media subtype.

In the direct show sample, we have async source filter which loads the
parsers for any file format (except avi). Similarly is there any
starting point which loads the decoders for any audio or video types.

Regards.