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authorMichael Niedermayer <michaelni@gmx.at>2014-09-02 05:22:26 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-12-21 04:40:03 +0100
commit8df5b0250d109a2995238c05128d6a770c03005c (patch)
treead31337f615f8f65f137957ebfe34d0a8e60aef3
parentc633427e927e1247f6beda4193c4fb9ed1c4440a (diff)
downloadffmpeg-8df5b0250d109a2995238c05128d6a770c03005c.tar.gz
avformat/swfdec: Use side data to communicate w/h changes to the decoder
Fixes reading from freed data Fixes part of Ticket3539 Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 1c55d0ff3202a04ebc67a72d72391104e9bdb633) Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit a9734e7d3017ffc9539eaac2a8acce3ad427f746) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavformat/swfdec.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c
index 8fb4aeb37a..ad587ea7d5 100644
--- a/libavformat/swfdec.c
+++ b/libavformat/swfdec.c
@@ -346,11 +346,15 @@ 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;