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Check that we have enough input data in IMC decoder.

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Originally committed as revision 11872 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2008-02-05 18:39:55 +00:00
parent ddf969705f
commit 63f2670a53
1 changed files with 4 additions and 0 deletions
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4
libavcodec/imc.c
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@ -638,6 +638,10 @@ static int imc_decode_frame(AVCodecContext * avctx,
int counter, bitscount; int counter, bitscount;
uint16_t buf16[IMC_BLOCK_SIZE / 2]; uint16_t buf16[IMC_BLOCK_SIZE / 2];
if (buf_size < IMC_BLOCK_SIZE) {
av_log(avctx, AV_LOG_ERROR, "imc frame too small!\n");
return -1;
}
for(i = 0; i < IMC_BLOCK_SIZE / 2; i++) for(i = 0; i < IMC_BLOCK_SIZE / 2; i++)
buf16[i] = bswap_16(((const uint16_t*)buf)[i]); buf16[i] = bswap_16(((const uint16_t*)buf)[i]);