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avcodec/bitstream: Assert that there is enough space left in avpriv_copy_bits()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer
2015-05-25 03:48:45 +02:00
parent 8f5ffed183
commit 291ad5cc9c
1 changed files with 2 additions and 0 deletions
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libavcodec/bitstream.c
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@@ -70,6 +70,8 @@ void avpriv_copy_bits(PutBitContext *pb, const uint8_t *src, int length)
if (length == 0) if (length == 0)
return; return;
av_assert0(length <= put_bits_left(pb));
if (CONFIG_SMALL || words < 16 || put_bits_count(pb) & 7) { if (CONFIG_SMALL || words < 16 || put_bits_count(pb) & 7) {
for (i = 0; i < words; i++) for (i = 0; i < words; i++)
put_bits(pb, 16, AV_RB16(src + 2 * i)); put_bits(pb, 16, AV_RB16(src + 2 * i));