On 16 Jan 2004, Florin Andrei wrote:
> "man mpeg2enc":
> - still has "-H|--keep-hf" in the summary, but "-h|--keep-hf" in the
> detailed section
That's Bernhard's area - the sgml sources for the manpages aren't
in the main tree so editing them is pointless. The master sources
need to be changed and the .1 files recreated.
> - there's a "-D|--intra_dc_prec8..11" in the summary that has no
> correspondent in the detailed section
One of those "if you have to ask you probably should leave it alone"
options? :-) :-)
It's the precision of the DC component. Most commercial DVDs
use -D 10 but mpeg2enc defaults to 9 to save a few bits. A value
of 11 is only valid at the next MPEG-2 profile/level so it's not
a currently meaningful value to use.
> "man mplex":
> - says in the BUGS section that "The multiplexer should handle AC3 and
> MPEG(5.1) audio too" but i was able to multiplex AC3 with it correctly,
> so why it's a bug?
The bug probably refers to the MPEG-2 multichannel extensions (I do not
know of any free encoders that support that at the present time).
AC3 does indeed work, and so does LPCM (but spending 1.5Mb/s on audio
is wasteful - at least until the dual layer recorders come out later
this year).
The reference to AC3 should probably be removed from that sentence.
Cheers,
Steven Schultz
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