[Ffmpeg-devel] Is 0xffff a valid mpeg audio header prefix?

[Michel Bardiaux]

Nico Sabbi wrote:
> $Subj.
> 
> According to the drafts I have 0xffff corresponds to mpeg audio1 layer1 
> with protection bit set,

According to official ISO/IEC 11172-3:1993(E), this is correct - except 
there is no explicit byte alignment requirement for the 12-bits audio 
syncword.

> but I can't convince myself that it's not stuffing.

Its definitely not stuffing.

> Is it safe to discard such sequences?

No.

HaND,
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Michel Bardiaux
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