[vlc-devel] [PATCH] TS demux: handle es stream type 0x42, which is CAVS

[Can Wu]

2011/11/17 Måns Rullgård <mans at mansr.com>

> Can Wu <wu.canus at gmail.com> writes:
>
> > On Thu, Nov 17, 2011 at 9:25 AM, Laurent Aimar <fenrir at elivagar.org>
> wrote:
> >
> >> On Wed, Nov 16, 2011 at 11:13:03PM +0800, Can Wu wrote:
> >> > ---
> >> >  modules/demux/ts.c |    3 +++
> >> >  1 files changed, 3 insertions(+), 0 deletions(-)
> >> >
> >> > diff --git a/modules/demux/ts.c b/modules/demux/ts.c
> >> > index ff3ba66..352c8a3 100644
> >> > --- a/modules/demux/ts.c
> >> > +++ b/modules/demux/ts.c
> >> > @@ -2405,6 +2405,9 @@ static int PIDFillFormat( ts_pid_t *pid, int
> i_stream_type )
> >> >      case 0x1B:  /* H264 <- check transport syntax/needed descriptor
> */
> >> >          es_format_Init( fmt, VIDEO_ES, VLC_CODEC_H264 );
> >> >          break;
> >> > +    case 0x42:  /* CAVS (Chinese AVS) */
> >> > +        es_format_Init( fmt, VIDEO_ES, VLC_CODEC_CAVS );
> >> > +        break;
> >>  Is there a registration descriptor or something equivalent to detect
> CAVS
> >> streams? if not, do you know if this stream type has been properly
> assigned
> >> by ISO?
> >>
> > Yeah, I couldn't find the define from a iso spec, I'm just got it from
> the
> > sample ts file, and some sample tools like
> http://code.google.com/p/tstools,
> > use this value.
> >
> > AVS will be the standardard video coding standard, maybe the only one,
> and
>
> ????????
>
Oh, I mean in china

>
> > it's also a ISO standard in ITU,
>
> AVS is not an ISO or ITU standard.
>
it's ITU standard, not?

>
> > I think this stream_type value should not be random used.
>
> The latest edition of the MPEG-TS spec (2006-05 + amendments) lists 0x42
> as "reserved".  There is (predictably) no mention of AVS or any other
> non-ISO standard.
>
need more source to check...

>
> --
> Måns Rullgård
> mans at mansr.com
>
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-- 
wucan
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