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truespeech: fix invalid reads in truespeech_apply_twopoint_filter()

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fixes Bug 171
This commit is contained in:
Justin Ruggles 2011-12-21 18:13:06 -05:00
parent e9dc920127
commit f264d336fe
1 changed files with 1 additions and 0 deletions
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libavcodec/truespeech.c
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@ -179,6 +179,7 @@ static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
for(i = 0; i < 146; i++)
tmp[i] = dec->filtbuf[i];
off = (t / 25) + dec->offset1[quart >> 1] + 18;
off = av_clip(off, 0, 145);
ptr0 = tmp + 145 - off;
ptr1 = tmp + 146;
filter = (const int16_t*)ts_order2_coeffs + (t % 25) * 2;