[FFmpeg-cvslog] avcodec/get_bits: Document the return code of get_vlc2()

[Michael Niedermayer]

ffmpeg | branch: release/3.4 | Michael Niedermayer <michael at niedermayer.cc> | Sun Jan 28 02:29:01 2018 +0100| [cd478122b0a05abaf82d96da2c9eb2d00635f72e] | committer: Michael Niedermayer

avcodec/get_bits: Document the return code of get_vlc2()

Found-by: kierank
Reviewed-by: Kieran Kunhya <kieran618 at googlemail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 4a94ff4ccd4f2329c599e37cabe4152dae60359e)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cd478122b0a05abaf82d96da2c9eb2d00635f72e
---

 libavcodec/get_bits.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index c530015169..0c7f5ff0c6 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -550,6 +550,7 @@ static inline const uint8_t *align_get_bits(GetBitContext *s)
  * @param max_depth is the number of times bits bits must be read to completely
  *                  read the longest vlc code
  *                  = (max_vlc_length + bits - 1) / bits
+ * @returns the code parsed or -1 if no vlc matches
  */
 static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
                                      int bits, int max_depth)