[Live-devel] Regarding trick mode files

[Nambirajan]

Hi Ross,

 

Thanks for your immediate response. 

 

We are using testMPEG2TransportStreamTrickPlay utility to generate Transport
stream files that represent the FFW and REW operation.

 

If we Must encrypt the transport stream then what parts of the stream should
we leave it in the clear? Should we specifically leave the I-frames?

 

Let us check with our customer  ( Manufacturer of the STB ) for any direct
contact and we will suggest your name to our customer.

 

Thanks and regards,

M. Nambirajan 

 

From: live-devel [mailto:live-devel-bounces at ns.live555.com] On Behalf Of
Ross Finlayson
Sent: Wednesday, April 23, 2014 6:31 AM
To: LIVE555 Streaming Media - development & use
Subject: Re: [Live-devel] Regarding trick mode files

 

Thanks for your input and  in fact the problem was related to the client
STB's.

 

If that's the case, then we can't help you.  Only the manufacturer of the
STB can do help you with problems with their product (unless they want to
contact me directly about this, in which case I'd be happy to work with
them).

 

However, as I suggested in my previous message, I suggest that you first use
the "testMPEG2TransportStreamTrickPlay" utility to generate Transport Stream
files that represent the effect of the server performing a fast-forward or
reverse-play operation.  You can then try playing these files using a media
player (like VLC), or stream them to the STB (without any 'trick play'), to
see if they're OK.

 

Note, however, that the Transport Stream indexing (and thus 'trick play')
operation might not work on an encrypted Transport Stream file (depending on
how what parts of the MPEG data are encrypted).  But again, that's something
that you can test using "testMPEG2TransportStreamTrickPlay".

 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/ 

 

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