[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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