[FFmpeg-devel] [PATCH 05/11] avcodec/mpegenc: do not use unquantize shortcuts for wmv1

Michael Niedermayer michael at niedermayer.cc
Tue Jun 20 01:08:18 EEST 2017

On Mon, Jun 19, 2017 at 05:10:58PM +0200, James Darnley wrote:
> From: "Ronald S. Bultje" <rsbultje at gmail.com>
> Commit message by James Darnley
> The shortcut is based on end-of-block positions.  This leads to some
> coefficients not being unquantized.  This is the symptom of the bug.

> A possible candidate for the real bug is the scan table used here in
> unquantize does not appear to match the one used in wmv1.  That might be
> because h263_unquantize_intra uses the inter scan table.

changed it to intra, i hope this makes this patch here unneeded

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The educated differ from the uneducated as much as the living from the
dead. -- Aristotle 
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