[FFmpeg-cvslog] avcodec/dvenc: dv100_weight_shift never used
Peter Ross
git at videolan.org
Sun Jan 24 00:38:30 EET 2021
ffmpeg | branch: master | Peter Ross <pross at xvid.org> | Tue Jan 5 13:54:22 2021 +1100| [63be96414b3ee7d3a9edbf0ffca11997ed520a4e] | committer: Peter Ross
avcodec/dvenc: dv100_weight_shift never used
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=63be96414b3ee7d3a9edbf0ffca11997ed520a4e
---
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,
More information about the ffmpeg-cvslog
mailing list