Module: libav Branch: master Commit: 406627287e015ce381795e85e2557b12bf60ca35
Author: Alexandra Hájková <[email protected]> Committer: Anton Khirnov <[email protected]> Date: Fri Jul 17 14:17:03 2015 +0200 asfdec: do not read replicated data when their length is 0 Signed-off-by: Anton Khirnov <[email protected]> --- libavformat/asfdec.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 7af3728..371d480 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -1123,17 +1123,19 @@ static int asf_read_multiple_payload(AVFormatContext *s, AVPacket *pkt, if ((ret = asf_read_subpayload(s, pkt, 1)) < 0) return ret; } else { - if (!asf_pkt->data_size) { - asf_pkt->data_size = asf_pkt->size_left = avio_rl32(pb); // read media object size - if (asf_pkt->data_size <= 0) - return AVERROR_EOF; - if ((ret = av_new_packet(&asf_pkt->avpkt, asf_pkt->data_size)) < 0) - return ret; - } else - avio_skip(pb, 4); // reading of media object size is already done - asf_pkt->dts = avio_rl32(pb); // read presentation time - if ((asf->rep_data_len - 8) > 0) - avio_skip(pb, asf->rep_data_len - 8); // skip replicated data + if (asf->rep_data_len) { + if (!asf_pkt->data_size) { + asf_pkt->data_size = asf_pkt->size_left = avio_rl32(pb); // read media object size + if (asf_pkt->data_size <= 0) + return AVERROR_EOF; + if ((ret = av_new_packet(&asf_pkt->avpkt, asf_pkt->data_size)) < 0) + return ret; + } else + avio_skip(pb, 4); // reading of media object size is already done + asf_pkt->dts = avio_rl32(pb); // read presentation time + if (asf->rep_data_len && ((asf->rep_data_len - 8) > 0)) + avio_skip(pb, asf->rep_data_len - 8); // skip replicated data + } pay_len = avio_rl16(pb); // payload length should be WORD if (pay_len > asf->packet_size) { av_log(s, AV_LOG_ERROR, _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
