Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/bitstream_template.h | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/libavcodec/bitstream_template.h b/libavcodec/bitstream_template.h
index cf4aeff4feb..4f3d07275fb 100644
--- a/libavcodec/bitstream_template.h
+++ b/libavcodec/bitstream_template.h
@@ -520,7 +520,20 @@ static inline int BS_FUNC(read_vlc)(BSCTX *bc, const
VLCElem *table,
return code;
}
-static inline int BS_FUNC(read_vlc_multi)(BSCTX *bc, uint8_t *dst,
+/**
+ * Parse a vlc / vlc_multi code.
+ * @param bits is the number of bits which will be read at once, must be
+ * identical to nb_bits in vlc_init()
+ * @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
+ * @param dst the parsed symbol(s) will be stored here. Up to 8 bytes are
written
+ * @returns number of symbols parsed
+ * If the vlc code is invalid and max_depth=1, then no bits will be removed.
+ * If the vlc code is invalid and max_depth>1, then the number of bits removed
+ * is undefined.
+ */
+static inline int BS_FUNC(read_vlc_multi)(BSCTX *bc, uint8_t dst[8],
const VLC_MULTI_ELEM *const Jtable,
const VLCElem *const table,
const int bits, const int max_depth)
--
2.17.1
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