[FFmpeg-devel] [PATCH]E-AC-3 over HDMI

Carl Eugen Hoyos cehoyos
Tue Jul 27 01:45:20 CEST 2010


Hi!

Anssi Hannula <anssi.hannula <at> iki.fi> writes:

> > +    int repeat, bitstream_mode = pkt->data[6] & 0x7;

> bitstream_mode is not there in E-AC-3. It is actually quite deep in the
> headers, they'd have to be practically completely parsed (it is
> encountered around 100 lines into our ff_eac3_parse_header) to get.
> 
> I'd think that it would not be really used by A/V receivers.. but I guess
> it is possible for a receiver to have some special mode depending on if
> the content is music/effects or dialogue or whatever, so maybe we should
> implement it anyway, I don't know. But only if it is confirmed that the
> IEC 61937-3 really specifies one for E-AC-3 as well.

Bits 8-10 of Pc:
Value of "bsmod" parameter in independent substream 0
(0 if not present)

Thanks for looking into this, Carl Eugen




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