[MPlayer-dev-eng] [PATCH] [TEST AFILTER] Encode ac3 at runtime using lavc

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Wed Nov 21 16:51:46 CET 2007


[...]
> The real AC3 format not include iec 61937 header and padding zeroes,
> with a 61937 header, the format should be IEC61937 or SPDIF I think.
> So the current AC-3 stuff totally need refixed.

I think it is currently not possible to support non-IEC AC3 without
adding AC-3 parsing code everywhere, whereas removing the header is
trivial.
And having the same format ID for e.g. AC3 and DTS would create problems
as well.
So the only thing that is missing IMO is documenting that the AC3/DTS
etc. formats actually mean those wrapped in IEC-headers.
And a function that builds the IEC header from the af_data_t struct and
whatever else is needed probably would be good as well.

Greetings,
Reimar Döffinger



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