From 693c1e631c4957acd2fe9d9650d757fd8d3d1239 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 31 Aug 2022 04:43:22 +0200
Subject: [PATCH] lavf/mov: avoid leaks with multiple dv-audio streams

---
 libavformat/mov.c | 5 +++++
 1 file changed, 5 insertions(+)

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");