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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-12-09 01:54:51 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-12-09 01:54:51 +0100 |
| commit | e86df0206f06b8d1e97e2b60db8f74a398d53127 (patch) | |
| tree | 750c82f61efd8cedb4f17217a285305e90967946 | |
| parent | 754f4957d7a7e5be0df0e9de1d31aebeecdc4476 (diff) | |
| download | ffmpeg-e86df0206f06b8d1e97e2b60db8f74a398d53127.tar.gz | |
avdevice/xcbgrab: check xcb_query_pointer_reply_t pointer before use
Fixes CID1254668
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavdevice/xcbgrab.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavdevice/xcbgrab.c b/libavdevice/xcbgrab.c index f2b913508a..ca85186087 100644 --- a/libavdevice/xcbgrab.c +++ b/libavdevice/xcbgrab.c @@ -106,12 +106,17 @@ static int xcbgrab_reposition(AVFormatContext *s, xcb_get_geometry_reply_t *geo) { XCBGrabContext *c = s->priv_data; - int x = c->x, y = c->y, p_x = p->win_x, p_y = p->win_y; + int x, y, p_x, p_y; int w = c->width, h = c->height, f = c->follow_mouse; if (!p || !geo) return AVERROR(EIO); + x = c->x; + y = c->y; + p_x = p->win_x; + p_y = p->win_y; + if (f == FOLLOW_CENTER) { x = p_x - w / 2; y = p_y - h / 2; |