[FFmpeg-devel] Codec IDs for AC3/DTS variants (Was: Re: [RFC] additinaldesc_type for dtshd mpeg-ts demuxer)

Andreas Öman andreas
Tue Jun 10 09:24:27 CEST 2008

Benjamin Larsson wrote:
> elupus wrote:
>>>> Yes, we need to/should add support for spdif  output/pass through.
>>> That would be entirely up to the calling application to handle.  All I'm
>>> asking that such all application be given enough information to make the
>>> right choice.
>> It's actually more the job of an encoder / bitstream filter. You need to add a 
>> S/PDIF header to the data, and padd to a certain length. Demuxer should never 
>> output S/PDIF'ed data, but sure a AC3_SPDIF, DTS_SPDIF, AAC_SPDIF, WMA_SPDIF 
>> codec id's could be nice to have.
> Don't forget mpeg audio over spdif. Btw we have figured out how to send 
> wmapro over spdif if you are interested.

Btw, does anyone know how to send AAC over SPDIF? I think i've seen
AV receivers that claim to support it at least.

Perhaps we should add a output muxer format "IEC958" that generates
SPDIF output, I've been thinking about that previously..

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