[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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