[FFmpeg-cvslog] dv: fix weight table for 2x4x8 transform

[Christophe Gisquet]

ffmpeg | branch: master | Christophe Gisquet <christophe.gisquet at gmail.com> | Sat Oct 25 11:19:23 2014 +0000| [6fe02d25ee6816e44de8d8b23b6905d307e1ed28] | committer: Michael Niedermayer

dv: fix weight table for 2x4x8 transform

The coefficients must be in the appropriate zigzag scan order.
Also fix their values at the same time, as they were pretty wrong.

Fixes ticket #2970.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6fe02d25ee6816e44de8d8b23b6905d307e1ed28
---

 libavcodec/dvdata.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/libavcodec/dvdata.c b/libavcodec/dvdata.c
index d7bee71..5f0a239 100644
--- a/libavcodec/dvdata.c
+++ b/libavcodec/dvdata.c
@@ -80,14 +80,14 @@ const uint16_t ff_dv_iweight_88[64] = {
     25172, 25972, 26722, 27969, 26722, 29692, 29692, 31521,
 };
 const uint16_t ff_dv_iweight_248[64] = {
-    32768, 17735, 16710, 18079, 18725, 21400, 17735, 19196,
-    19108, 21845, 16384, 17735, 18725, 21400, 16710, 18079,
-    20262, 23173, 18197, 19692, 18725, 20262, 20815, 23764,
-    17735, 19196, 19108, 21845, 20262, 23173, 18197, 19692,
-    21400, 24457, 19284, 20867, 21400, 23173, 22017, 25191,
-    18725, 20262, 20815, 23764, 21400, 24457, 19284, 20867,
-    24457, 27962, 22733, 24600, 25971, 29642, 21400, 23173,
-    22017, 25191, 24457, 27962, 22733, 24600, 25971, 29642,
+    32768, 16384, 16705, 16705, 17734, 17734, 17734, 17734,
+    18081, 18081, 18725, 18725, 21407, 21407, 19091, 19091,
+    19195, 19195, 18205, 18205, 18725, 18725, 19705, 19705,
+    20267, 20267, 21826, 21826, 23170, 23170, 20806, 20806,
+    20267, 20267, 19266, 19266, 21407, 21407, 20853, 20853,
+    21400, 21400, 23786, 23786, 24465, 24465, 22018, 22018,
+    23170, 23170, 22725, 22725, 24598, 24598, 24465, 24465,
+    25172, 25172, 27969, 27969, 25972, 25972, 29692, 29692
 };
 
 /**