Fixes reading from freed data
Fixes part of Ticket3539
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
---
libavformat/swfdec.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c
index 0f78b17..ca2a1c4 100644
--- a/libavformat/swfdec.c
+++ b/libavformat/swfdec.c
@@ -353,11 +353,15 @@ static int swf_read_packet(AVFormatContext *s, AVPacket
*pkt)
avpriv_set_pts_info(vst, 64, 256, swf->frame_rate);
st = vst;
}
- st->codec->width = width;
- st->codec->height = height;
if ((res = av_new_packet(pkt, out_len - colormapsize *
colormapbpp)) < 0)
goto bitmap_end;
+ if (!st->codec->width && !st->codec->height) {
+ st->codec->width = width;
+ st->codec->height = height;
+ } else {
+ ff_add_param_change(pkt, 0, 0, 0, width, height);
+ }
pkt->pos = pos;
pkt->stream_index = st->index;
--
1.7.9.5
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