Signed-off-by: Mans Rullgard <[email protected]>
---
libavcodec/svq1dec.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index 8569615..7eb6e60 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -195,7 +195,8 @@ static const uint8_t string_table[256] = {
#define SVQ1_CALC_CODEBOOK_ENTRIES(cbook)\
codebook = (const uint32_t *) cbook[level];\
- bit_cache = get_bits (bitbuf, 4*stages);\
+ if (stages > 0)\
+ bit_cache = get_bits (bitbuf, 4*stages);\
/* calculate codebook entries for this vector */\
for (j=0; j < stages; j++) {\
entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) <<
(level + 1);\
--
1.7.7.4
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