ffmpeg | branch: master | Alexandra Hájková <[email protected]> | Fri Jul 17 14:17:06 2015 +0200| [2883ef34b59c9b427c4cfad4620c3235e5778406] | committer: Anton Khirnov
asfdec: read the replicated data in a separate function Signed-off-by: Anton Khirnov <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2883ef34b59c9b427c4cfad4620c3235e5778406 --- libavformat/asfdec.c | 37 ++++++++++++++++++++++++------------- 1 file changed, 24 insertions(+), 13 deletions(-) diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index bb08357..8b0d82a 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -1105,6 +1105,27 @@ static void reset_packet(ASFPacket *asf_pkt) av_init_packet(&asf_pkt->avpkt); } +static int asf_read_replicated_data(AVFormatContext *s, ASFPacket *asf_pkt) +{ + ASFContext *asf = s->priv_data; + AVIOContext *pb = s->pb; + int ret; + + 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)) + avio_skip(pb, asf->rep_data_len - 8); // skip replicated data + + return 0; +} + static int asf_read_multiple_payload(AVFormatContext *s, AVPacket *pkt, ASFPacket *asf_pkt) { @@ -1123,19 +1144,9 @@ static int asf_read_multiple_payload(AVFormatContext *s, AVPacket *pkt, if ((ret = asf_read_subpayload(s, pkt, 1)) < 0) return ret; } else { - 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)) - avio_skip(pb, asf->rep_data_len - 8); // skip replicated data - } + if (asf->rep_data_len) + if ((ret = asf_read_replicated_data(s, asf_pkt)) < 0) + return ret; pay_len = avio_rl16(pb); // payload length should be WORD if (pay_len > asf->packet_size) { av_log(s, AV_LOG_ERROR, _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
