Hi,I'm new to DirectShow. Now I need to write a push source filter to open and parse a customized file. I'm wondering how did window media player pass the file to my filter I'm not totally understand the flow chart from window media player to source filter.Any input will be really appreciated.-Cecilia

How does window media player pass the file to a push source filter?
Gurpreet Singh Sawhney
If you are writing a file parser, you might find this useful:
http://www.gdcl.co.uk/dshow_dev.htm
or
http://www.gdcl.co.uk/articles/ (scroll to the bottom for the parsers pdf link)
redshock