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avformat/asfdec: Allow packet_obj_size == 0 

Fixes Ticket3521

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-29 04:57:51 +02:00
parent be4e1f28fd
commit 4ccd2b31f0
1 changed files with 1 additions and 1 deletions
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2
libavformat/asfdec.c
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@ -1062,7 +1062,7 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb)
int64_t end = avio_tell(pb) + asf->packet_replic_size;
AVRational aspect;
asfst->packet_obj_size = avio_rl32(pb);
if (asfst->packet_obj_size >= (1 << 24) || asfst->packet_obj_size <= 0) {
if (asfst->packet_obj_size >= (1 << 24) || asfst->packet_obj_size < 0) {
av_log(s, AV_LOG_ERROR, "packet_obj_size %d invalid\n", asfst->packet_obj_size);
asfst->packet_obj_size = 0;
return AVERROR_INVALIDDATA;