[MEncoder-users] vrc_override non-functional...
Michael Niedermayer
michaelni at gmx.at
Fri Oct 20 12:11:37 CEST 2006
Hi
On Wed, Oct 18, 2006 at 01:58:05PM -0700, RC wrote:
> It appears that vrc_override (quality) doesn't work remotely like it is
> described in the man page. Nor has it for a very long time. I see
> bugreports in the archives from 2003. In Apr 2004 Michael said "it will
> be fixed with the new rc code ..."
>
> To test, just select a high bitrate, then add
> "vrc_override=10,1000000,31" to your lavcopts to supposedly force it to
> use quant 31, and watch as the bitrate is still honored. Try -500
> instead of 31, and watch that do nothing as well. "9999" and "0"
> apparently force a low bitrate (but nowhere near vqscale=31), while "1"
> does the exact opposite, forcing a high bitrate.
>
> Is there some rhyme or reason as to how it works that can be documented,
try to multiply the values by FF_QP2LAMBDA, no i dunno if thats the problem
just guessing
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is
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