[FFmpeg-cvslog] avcodec/alsdec: fix max bits in ltp prefix code
Umair Khan
git at videolan.org
Fri Aug 26 15:41:00 EEST 2016
ffmpeg | branch: release/2.8 | Umair Khan <omerjerk at gmail.com> | Sat Mar 12 02:52:30 2016 +0530| [1dd34bdb09ad8963c7741837ae3a54d2d5bd347e] | committer: Michael Niedermayer
avcodec/alsdec: fix max bits in ltp prefix code
The maximum number of bits int the prefix code for
p(0) is 4. By setting it as 3, we were missing the
last 0 bit.
This fixes bug #4715 present on the trac.
Signed-off-by: Umair Khan <omerjerk at gmail.com>
Reviewed-by: Thilo Borgmann <thilo.borgmann at mail.de>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 5d64ba9d18294a305f4f46c9a64e592dc5d34aa9)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1dd34bdb09ad8963c7741837ae3a54d2d5bd347e
---
libavcodec/alsdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index ebd364e..8283b79 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -765,7 +765,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
bd->ltp_gain[0] = decode_rice(gb, 1) << 3;
bd->ltp_gain[1] = decode_rice(gb, 2) << 3;
- r = get_unary(gb, 0, 3);
+ r = get_unary(gb, 0, 4);
c = get_bits(gb, 2);
bd->ltp_gain[2] = ltp_gain_values[r][c];
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