[FFmpeg-devel] [PATCH 1/2] avcodec/dvenc: dv100_weight_shift never used

Peter Ross pross at xvid.org
Tue Jan 5 05:01:47 EET 2021


---
 libavcodec/dvenc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/dvenc.c b/libavcodec/dvenc.c
index 0dc290642e..233e2b68c7 100644
--- a/libavcodec/dvenc.c
+++ b/libavcodec/dvenc.c
@@ -318,9 +318,8 @@ static const int dv100_qstep_inv[16] = {
         65536,  65536,  32768,  21845,  16384,  13107,  10923,  9362,  8192,  4096,  3641,  3277,  2979,  2731,  2341,  1260,
 };
 
-/* DV100 weights are pre-zigzagged, inverted and multiplied by 2^(dv100_weight_shift)
+/* DV100 weights are pre-zigzagged, inverted and multiplied by 2^16
    (in DV100 the AC components are divided by the spec weights) */
-static const int dv100_weight_shift = 16;
 static const int dv_weight_1080[2][64] = {
     { 8192, 65536, 65536, 61681, 61681, 61681, 58254, 58254,
       58254, 58254, 58254, 58254, 55188, 58254, 58254, 55188,
-- 
2.29.2

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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