diff --git a/libavformat/mov.c b/libavformat/mov.c index b93facf7e0..a1bc627991 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2431,6 +2431,11 @@ 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");