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author | Michael Niedermayer <michael@niedermayer.cc> | 2018-09-22 15:18:17 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-23 01:44:41 +0200 |
commit | 4b14c3ed7857e386ae49bd6f1c4124e52d1667f3 (patch) | |
tree | 9b3e31d1dc984f9d3cd0579378582da32cbed16c | |
parent | 9b95c4740d23d69e6693f974ab954c50957e4c4e (diff) | |
download | ffmpeg-4b14c3ed7857e386ae49bd6f1c4124e52d1667f3.tar.gz |
avcodec/unary: Improve get_unary() docs
Found-by: kierank
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ad89e203bfedf25df00e2a6ed9196170d772f25b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavcodec/unary.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libavcodec/unary.h b/libavcodec/unary.h index 908dc93507..d57f9f70c5 100644 --- a/libavcodec/unary.h +++ b/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) { |