Commit 4ccd2b31 authored by Michael Niedermayer's avatar Michael Niedermayer

avformat/asfdec: Allow packet_obj_size == 0

Fixes Ticket3521
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent be4e1f28
...@@ -1062,7 +1062,7 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb) ...@@ -1062,7 +1062,7 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb)
int64_t end = avio_tell(pb) + asf->packet_replic_size; int64_t end = avio_tell(pb) + asf->packet_replic_size;
AVRational aspect; AVRational aspect;
asfst->packet_obj_size = avio_rl32(pb); 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); av_log(s, AV_LOG_ERROR, "packet_obj_size %d invalid\n", asfst->packet_obj_size);
asfst->packet_obj_size = 0; asfst->packet_obj_size = 0;
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
......
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