[FFmpeg-devel] [PATCH] Fix 10-bit DNxHD quant matrices

Michael Niedermayer michaelni at gmx.at
Fri Jul 20 15:29:13 CEST 2012

On Fri, Jul 20, 2012 at 11:31:06AM +0100, Joseph Artsimovich wrote:
> When I was adding support for 10-bit DNxHD, I just copy-pasted the
> missing quant matrices from the spec. Now it turns out the existing
> matrices in dnxhddata.c were in zigzag order. This resulted in wrong
> quantization for 10-bit DNxHD. The attached patch fixes the problem
> by converting 10-bit quant matrices to zigzag order.
> -- 
> Joseph Artsimovich
> Senior C++ Applications Developer
> MirriAd Ltd

>  dnxhddata.c |   66 ++++++++++++++++++++++++++++++------------------------------
>  1 file changed, 34 insertions(+), 32 deletions(-)
> 17fdeb1fcb72684754c664a23d191b1e03045b40  0001-Fix-DNxHD-10-bit-quant-tables.patch
> From ea01c3dda8cffecd266c433415675fee158c9fc6 Mon Sep 17 00:00:00 2001
> From: Joseph Artsimovich <joseph at mirriad.com>
> Date: Fri, 20 Jul 2012 11:05:39 +0100
> Subject: [PATCH] Fix DNxHD 10-bit quant tables.
> Convert them to zigzag order, as the rest of them are.

fate updated, patch applied



Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Let us carefully observe those good qualities wherein our enemies excel us
and endeavor to excel them, by avoiding what is faulty, and imitating what
is excellent in them. -- Plutarch
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