[Live-devel] VLC and stb don't play "trick play" streams

Siegfried Heilmeier s_animal at aon.at
Tue Apr 15 10:51:44 PDT 2008


Hello

If you change the video pid in ts to 0xe0 then the indexer it will work.
The problem is it use always vpid 0xe0 in case of trickplay and for speed 1
the original vpid and amino doesn't read the pmt again.

Sorry 4 my english

siegfried
 

-----Ursprüngliche Nachricht-----
Von: live-devel-bounces at ns.live555.com
[mailto:live-devel-bounces at ns.live555.com] Im Auftrag von Ross Finlayson
Gesendet: Montag, 7. April 2008 18:10
An: LIVE555 Streaming Media - development & use
Betreff: Re: [Live-devel] VLC and stb don't play "trick play" streams

>VLC playback this stream fine, pause works fine too, but then I try to 
>do FastFoward or FastBackward the stream starts play fast for about a 
>one second and after that picture disappears.
>
>Furthermore, I've tried do do FastFoward or FastBackward on amino stb 
>and trick play didn't work fine there too: the picture is broken after 
>I've press FF or FW ...

This seems to be a problem for some - although not all - transport stream
files.


>It seems what MPEG2TransportStreamTrickModeFilter produce non-standard
>transport stream.

No, that's not correct at all.  If you run 
"testMPEG2TransportStreamTrickPlay", you will see that the resulting 
Transport Stream files (for fast-forward or reverse play) are OK. 
However, their bitrate is significantly larger than than the original 
file, and that may cause problems (e.g., network packet loss) on some 
networks/systems.
-- 

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