[vlc-devel] Re: Trick mode support for MPEG2 TS

[yj]

Thank you.
I still don't know how to determine the frame type(I P
B).
can you please describe the detail information? thank
you.


--- Måns Rullgård <mru at inprovide.com> wrote:

> yj <yunjnz at yahoo.com> writes:
> 
> f> As a simple implementation, I think Fast Forward
> can
> > be implemented by only decode I-Frame(if we need
> > faster forward, we may discard some I-Frames...),
> > But in this mode, how can we implement Slow Play?
> 
> You can insert null P frames to make it slower.
> 
> > and how to determine which frame is I-Frame? I
> didn't
> > find any flags for frame type in the MPEG2 TS
> frame
> > structure, can you help me?
> 
> You need to demux and parse the elementary stream.
> 
> > Also, how to determine the whole length of the TS
> > stream?
> 
> The only reliable way is to scan the entire stream
> and examine the
> PCR.
> 
> -- 
> Måns Rullgård
> mru at inprovide.com
> 
> -- 
> This is the vlc-devel mailing-list, see
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> 


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