[vlc-devel] Re: Do we have a MPEG expert in VLC?

Christophe Massiot massiot at via.ecp.fr
Thu Dec 11 13:27:31 CET 2003

On Thu, Dec 11, 2003, R. Bernstein wrote:

>  > On Wed, Dec 10, 2003, R. Bernstein wrote:
>  > 
>  > > I think more precisely, VLC's interpretation of the file. Details are
>  > > below, but the system clock reference numbers (SCRs) that confuses
>  > > vlc's MPEG demuxer are those coming from packets of the private stream
>  > > in the subtitle.
>  > 
>  > There is no such thing as an "SCR coming from packets of the private 
>  > stream". There are pack headers regularly in the stream, containing an
>  > SCR which must be valid, and then PES packets which can be about
>  > anything. The SCR isn't in the PES packet.
> Okay thanks. Is there a MPEG document you can cite which describes
> what what "valid" SCRs are? Thanks.

SCRs are described in ISO/IEC 13818-1 2.5.3.

Christophe Massiot.

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