avcodec/utils: fix AVPacket lifetime in seek_frame_generic

Fixes ticket #5117
This commit is contained in:
Hendrik Leppkes 2016-01-01 20:23:37 +01:00
parent dbfb2c1abf
commit b966a403dd

View File

@ -2142,15 +2142,18 @@ static int seek_frame_generic(AVFormatContext *s, int stream_index,
} while (read_status == AVERROR(EAGAIN));
if (read_status < 0)
break;
av_packet_unref(&pkt);
if (stream_index == pkt.stream_index && pkt.dts > timestamp) {
if (pkt.flags & AV_PKT_FLAG_KEY)
if (pkt.flags & AV_PKT_FLAG_KEY) {
av_packet_unref(&pkt);
break;
}
if (nonkey++ > 1000 && st->codec->codec_id != AV_CODEC_ID_CDGRAPHICS) {
av_log(s, AV_LOG_ERROR,"seek_frame_generic failed as this stream seems to contain no keyframes after the target timestamp, %d non keyframes found\n", nonkey);
av_packet_unref(&pkt);
break;
}
}
av_packet_unref(&pkt);
}
index = av_index_search_timestamp(st, timestamp, flags);
}