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Ensure that the filter limit values do not exceed the maximum allowed value of 127. 

Originally committed as revision 19351 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-07-05 18:27:39 +00:00
parent 7fa5f9990b
commit e13cca4b14
1 changed files with 6 additions and 1 deletions
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7
libavcodec/vp3.c
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@ -2171,8 +2171,13 @@ static int theora_decode_tables(AVCodecContext *avctx, GetBitContext *gb)
if (s->theora >= 0x030200) {
n = get_bits(gb, 3);
/* loop filter limit values table */
for (i = 0; i < 64; i++)
for (i = 0; i < 64; i++) {
s->filter_limit_values[i] = get_bits(gb, n);
if (s->filter_limit_values[i] > 127) {
av_log(avctx, AV_LOG_ERROR, "filter limit value too large (%i > 127), clamping\n", s->filter_limit_values[i]);
s->filter_limit_values[i] = 127;
}
}
}
if (s->theora >= 0x030200)