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authorMatt A. Tobin <email@mattatobin.com>2022-06-07 20:20:19 -0500
committerMatt A. Tobin <email@mattatobin.com>2022-06-07 20:20:19 -0500
commit878ab758d5d4c1ef7badf2bc20ebc7c67dc2165b (patch)
tree3683d6df35e3618c0e7b456de7c749ca4c8c21a6 /libs/ffvpx/libavcodec/unary.h
parenta621951327b0c19c0c24dfd9fd973f7bd13ae68f (diff)
parentcfb9884423faf741de03c5fcc72bf9ac8c6ada4d (diff)
downloadaura-central-878ab758d5d4c1ef7badf2bc20ebc7c67dc2165b.tar.gz
Merge branch 'TRUNK' into ARE-5.0
Diffstat (limited to 'libs/ffvpx/libavcodec/unary.h')
-rw-r--r--libs/ffvpx/libavcodec/unary.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/libs/ffvpx/libavcodec/unary.h b/libs/ffvpx/libavcodec/unary.h
index 908dc9350..d57f9f70c 100644
--- a/libs/ffvpx/libavcodec/unary.h
+++ b/libs/ffvpx/libavcodec/unary.h
@@ -28,7 +28,20 @@
* @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 0 based code index. This is also the length in bits of the
+ * code excluding the stop bit.
+ * (in case len=1)
+ * 1 0
+ * 0 1
+ * (in case len=2)
+ * 1 0
+ * 01 1
+ * 00 2
+ * (in case len=3)
+ * 1 0
+ * 01 1
+ * 001 2
+ * 000 3
*/
static inline int get_unary(GetBitContext *gb, int stop, int len)
{