[FFmpeg-devel] [RFC] additinal desc_type for dtshd mpeg-ts demuxer

Ian Caulfield ian.caulfield
Tue Jun 10 22:39:12 CEST 2008


2008/6/10 elupus <elupus at ecce.se>:
> On Tue, 10 Jun 2008 21:50:08 +0200, madshi wrote:
>
>> elupus schrieb:
>>> [13 quoted lines suppressed]
>>
>> Blu-Ray TrueHD pids should always contain both. At least that's
>> what the specification requires.
>>
>> In my own software, I've a parser/splitter which understands
>> both AC3 and TrueHD. It looks at the raw combined TrueHD+AC3
>> bitstream and splits it into two separate streams.
>>
>> However, somebody (Ian?) mentioned earlier that the Blu-Ray
>> TrueHD stream consists of PES packets with two different IDs.
>> I was not aware of that. If that's true, splitting could be realized
>> simply by looking at the PES IDs...
>
> Could this be stream_id_extension of the pes packet? cause can't seem to
> find anything else that would be usable.

It's been a while since I looked, but I think the difference was in
the extended stream id.

Ian




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