show_bits() is undefined when the number of bits is less than or equal to
zero.
---
libavcodec/proresdec.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/proresdec.c b/libavcodec/proresdec.c
index 759c10b..c70d145 100644
--- a/libavcodec/proresdec.c
+++ b/libavcodec/proresdec.c
@@ -427,13 +427,13 @@ static inline void decode_ac_coeffs(GetBitContext *gb,
DCTELEM *out,
lev_cb_index = lev_to_cb_index[FFMIN(level, 9)];
bits_left = get_bits_left(gb);
- if (bits_left <= 8 && !show_bits(gb, bits_left))
+ if (bits_left <= 0 || (bits_left <= 8 && !show_bits(gb, bits_left)))
return;
run = decode_vlc_codeword(gb, ac_codebook[run_cb_index]);
bits_left = get_bits_left(gb);
- if (bits_left <= 8 && !show_bits(gb, bits_left))
+ if (bits_left <= 0 || (bits_left <= 8 && !show_bits(gb, bits_left)))
return;
level = decode_vlc_codeword(gb, ac_codebook[lev_cb_index]) + 1;
--
1.7.3.1
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