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matroskadec: move lace_size check up so it catches all code pathes 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-15 01:28:40 +02:00
parent 88a740afde
commit 08169fc3d2
1 changed files with 5 additions and 5 deletions
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10
libavformat/matroskadec.c
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@ -1975,6 +1975,11 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data,
if (res == 0) {
for (n = 0; n < laces; n++) {
if (lace_size[n] > size) {
av_log(matroska->ctx, AV_LOG_ERROR, "Invalid packet size\n");
break;
}
if ((st->codec->codec_id == CODEC_ID_RA_288 ||
st->codec->codec_id == CODEC_ID_COOK ||
st->codec->codec_id == CODEC_ID_SIPR ||
@ -2044,11 +2049,6 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data,
uint32_t pkt_size = lace_size[n];
uint8_t *pkt_data = data;
if (pkt_size > size) {
av_log(matroska->ctx, AV_LOG_ERROR, "Invalid packet size\n");
break;
}
if (encodings && encodings->scope & 1) {
offset = matroska_decode_buffer(&pkt_data,&pkt_size, track);
if (offset < 0)