[FFmpeg-cvslog] golomb: Add a get_se_golomb_long
Luca Barbato
git at videolan.org
Mon Mar 10 22:51:44 CET 2014
ffmpeg | branch: master | Luca Barbato <lu_zero at gentoo.org> | Mon Mar 10 10:57:51 2014 +0100| [5eacbb53289570834f9a1acb15fd406ea224eef6] | committer: Luca Barbato
golomb: Add a get_se_golomb_long
Useful in libavformat mostly.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5eacbb53289570834f9a1acb15fd406ea224eef6
---
libavcodec/golomb.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/libavcodec/golomb.h b/libavcodec/golomb.h
index efe5059..ce3500f 100644
--- a/libavcodec/golomb.h
+++ b/libavcodec/golomb.h
@@ -206,6 +206,18 @@ static inline int get_se_golomb(GetBitContext *gb)
}
}
+static inline int get_se_golomb_long(GetBitContext *gb)
+{
+ unsigned int buf = get_ue_golomb_long(gb);
+
+ if (buf & 1)
+ buf = -(buf >> 1);
+ else
+ buf = (buf >> 1);
+
+ return buf;
+}
+
static inline int svq3_get_se_golomb(GetBitContext *gb)
{
unsigned int buf;
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