[linux-dvb] Re: V4 API questions

[Michael Hunold <hunold@convergence.de>]

Hello,

On 04/01/04 12:02, Alasdair FARMER wrote:
> > > 1) The dvb_dmx_decoder_type does not support Audio
> > > descriptor as a type.  A good number of broadcasters
> > > are starting to transmit this and it may have different
> > > decode requirements from a normal audio channel
> >
> > I don't understand what an "audio descriptor as a type" 
> > means. 8-( Can you specify your problem?
>
> Within a TS there are PIDs for what is called 'Audio Descriptor' data.
> This is an audio stream which contains a description of what is
> happening in a scene for the visually impaired.  This audio data
> may need to be processed and treated separately from the main
> audio data and may well need to be decoded/processed in a differen
>  way to standard audio data.  'Audio Descriptors' are being adopte
> by a number of broadcasters and support is being specified as
> mandatory for a number of new STB's

I wasn't able to investigate this issue further. 8-(

Would you be so kind and prepare a patch that extends 
"dvb_demux_decoder_type" + adds a little explanation?

If you could cite or point out the underlying spec that would be 
helpful, too.

> Regards
> Ali Farmer.
CU
Michael.


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