[M4IF Technotes] problems with BifsEnc & MP4Enc

[B.P.Harish]

Hello Experts,
I tried BifsEnc & MP4Enc & generated a .mp4 file that
I can't play 
Error:can't open Why?
1.In MuxInfo structure, if I use streamData to specify
frame rate as 30fps, I get error:
streamData:Unrecognised field name
30fps:Unexpected symbol(Refer MUx.doc)
I need to specify frame rate as default is only 15fps.
How do I do that?
4.I have 2 MPEG4 compressed VOs(foreground &
background) in 2 media files. How do I multiplex them
using Mux or MP4Encode so that they exactly fit. 
I mean what changes do I make in .scene & .script
files?
Thanks in advance.
Regards,
b.p.harish
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