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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-09-02 05:22:26 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-09-02 13:37:07 +0200 |
| commit | 1c55d0ff3202a04ebc67a72d72391104e9bdb633 (patch) | |
| tree | 7f28451a69963ebaa50329855838cc9be459f2dc /libavformat/swfdec.c | |
| parent | 1587989518cd61bae3d1b234efd82cd3b11580dd (diff) | |
| download | ffmpeg-1c55d0ff3202a04ebc67a72d72391104e9bdb633.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>
Diffstat (limited to 'libavformat/swfdec.c')
| -rw-r--r-- | libavformat/swfdec.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c index 0f78b17305..ca2a1c458b 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; |