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Fix segfault in save_bits:

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use put_bits_count to get the buffer fill state instead of
num_saved_bits as num_saved_bits is sometimes reset when
frames are lost
(Ticket 495)
(cherry picked from commit 780d45473c)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 4f6187c7356111540024901932294e9807061dd0)
This commit is contained in:
Sascha Sommer 2011-09-24 20:56:41 +02:00 committed by Michael Niedermayer
parent b00fc80d40
commit 9960710b87
1 changed files with 1 additions and 1 deletions
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libavcodec/wmaprodec.c
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@ -1436,7 +1436,7 @@ static void save_bits(WMAProDecodeCtx *s, GetBitContext* gb, int len,
init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
}
buflen = (s->num_saved_bits + len + 8) >> 3;
buflen = (put_bits_count(&s->pb) + len + 8) >> 3;
if (len <= 0 || buflen > MAX_FRAMESIZE) {
av_log_ask_for_sample(s->avctx, "input buffer too small\n");