---
libavformat/mov.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index a2b429e52f..f433746192 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -2430,6 +2430,11 @@ static int mov_finalize_stsd_codec(MOVContext *c,
AVIOContext *pb,
switch (st->codecpar->codec_id) {
#if CONFIG_DV_DEMUXER
case AV_CODEC_ID_DVAUDIO:
+ if (c->dv_fctx) {
+ avpriv_request_sample(c->fc, "multiple DV audio streams");
+ return AVERROR(ENOSYS);
+ }
+
c->dv_fctx = avformat_alloc_context();
if (!c->dv_fctx) {
av_log(c->fc, AV_LOG_ERROR, "dv demux context alloc error\n");
--
2.35.1
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