From 5d24b6843ca548508187d48bf587ae5ecbcffd57 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Tue, 26 Nov 2019 04:40:29 +0100 Subject: [PATCH] avformat/matroskaenc: Check that Cluster has been opened before setting the field indicating that a Cluster has been opened. Signed-off-by: Andreas Rheinhardt --- libavformat/matroskaenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 1491010bcc..5dae53026d 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -2311,10 +2311,10 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt, int add_ } if (mkv->cluster_pos == -1) { - mkv->cluster_pos = avio_tell(s->pb); ret = start_ebml_master_crc32(&mkv->cluster_bc, mkv); if (ret < 0) return ret; + mkv->cluster_pos = avio_tell(s->pb); put_ebml_uint(mkv->cluster_bc, MATROSKA_ID_CLUSTERTIMECODE, FFMAX(0, ts)); mkv->cluster_pts = FFMAX(0, ts); av_log(s, AV_LOG_DEBUG,