Fixes ticket #7379
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/flvdec.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index 93c7f85237..a2dea464e3 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -753,6 +753,9 @@ static int flv_read_close(AVFormatContext *s)
static int flv_get_extradata(AVFormatContext *s, AVStream *st, int size)
{
+ if (!size)
+ return 0;
+
av_freep(&st->codecpar->extradata);
if (ff_get_extradata(s, st->codecpar, s->pb, size) < 0)
return AVERROR(ENOMEM);
@@ -763,6 +766,9 @@ static int flv_get_extradata(AVFormatContext *s, AVStream
*st, int size)
static int flv_queue_extradata(FLVContext *flv, AVIOContext *pb, int stream,
int size)
{
+ if (!size)
+ return 0;
+
av_free(flv->new_extradata[stream]);
flv->new_extradata[stream] = av_mallocz(size +
AV_INPUT_BUFFER_PADDING_SIZE);
--
2.18.0
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