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Code Issues Releases Activity

diracdec: fix empty data units.

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Fixed Ticket636

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-14 18:01:13 +01:00
parent 07c7ffc04b
commit 6718536ba5
1 changed files with 2 additions and 1 deletions
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3
libavcodec/diracdec.c
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@ -1836,7 +1836,8 @@ static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
break;
data_unit_size = AV_RB32(buf+buf_idx+5);
if (buf_idx + data_unit_size > buf_size) {
if (buf_idx + data_unit_size > buf_size || !data_unit_size) {
if(buf_idx + data_unit_size > buf_size)
av_log(s->avctx, AV_LOG_ERROR,
"Data unit with size %d is larger than input buffer, discarding\n",
data_unit_size);