Found-by: kierank
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/unary.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavcodec/unary.h b/libavcodec/unary.h
index 908dc93507..e7541a7604 100644
--- a/libavcodec/unary.h
+++ b/libavcodec/unary.h
@@ -28,7 +28,12 @@
* @param gb GetBitContext
* @param[in] stop The bitstop value (unary code of 1's or 0's)
* @param[in] len Maximum length
- * @return Unary length/index
+ * @return Unary length - 1 or length for the stop code (all 1 or all 0 of
len).
+ * (in case len=3)
+ * 1 0
+ * 01 1
+ * 001 2
+ * 000 3
*/
static inline int get_unary(GetBitContext *gb, int stop, int len)
{
--
2.19.0
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