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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-03-29 08:50:18 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-04-01 18:23:13 +0200
commit7aee4762d336a10e5ef51a32a449efaa349e9d07 (patch)
treeab44bb537806bbebf9b900b5774d0fb51fc27bf7
parent39ecb63d0f082ee3b2ac2ac65577170deb245ec4 (diff)
avformat/utils: Free new streams in ff_add_attached_pic on error
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
-rw-r--r--libavformat/internal.h3
-rw-r--r--libavformat/utils.c9
2 files changed, 10 insertions, 2 deletions
diff --git a/libavformat/internal.h b/libavformat/internal.h
index b3c5d8a1d5..a6987619f7 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -678,6 +678,9 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt);
* @param buf if set, it contains the data and size information to be used
* for the attached pic; if unset, data is read from pb.
* @param size the size of the data to read if buf is unset.
+ *
+ * @return 0 on success, < 0 on error. On error, this function removes
+ * the stream it has added (if any).
*/
int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
AVBufferRef **buf, int size);
diff --git a/libavformat/utils.c b/libavformat/utils.c
index c2200d0403..0834c80f4e 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -474,9 +474,10 @@ int avformat_queue_attached_pictures(AVFormatContext *s)
return 0;
}
-int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
+int ff_add_attached_pic(AVFormatContext *s, AVStream *st0, AVIOContext *pb,
AVBufferRef **buf, int size)
{
+ AVStream *st = st0;
AVPacket *pkt;
int ret;
@@ -493,7 +494,7 @@ int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
} else {
ret = av_get_packet(pb, pkt, size);
if (ret < 0)
- return ret;
+ goto fail;
}
st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
@@ -502,6 +503,10 @@ int ff_add_attached_pic(AVFormatContext *s, AVStream *st, AVIOContext *pb,
pkt->flags |= AV_PKT_FLAG_KEY;
return 0;
+fail:
+ if (!st0)
+ ff_free_stream(s, st);
+ return ret;
}
static int update_stream_avctx(AVFormatContext *s)