We already allocate the internal extradata buffer with initialized
padding in flv_queue_extradata, but when copied into side data
(which is allocated by av_packet_new_side_data, which does allocate
the padding but doesn't initialize it), we forgot to initialize
the padding there.
---
libavformat/flvdec.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index 81a71d39f4..23d320900b 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -989,6 +989,10 @@ skip:
if (side) {
memcpy(side, flv->new_extradata[is_audio],
flv->new_extradata_size[is_audio]);
+ // av_packet_new_side_data allocates space for padding but doesn't
+ // initialize it.
+ memset(side + flv->new_extradata_size[is_audio], 0,
+ AV_INPUT_BUFFER_PADDING_SIZE);
av_freep(&flv->new_extradata[is_audio]);
flv->new_extradata_size[is_audio] = 0;
}
--
2.14.3 (Apple Git-98)
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