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authorMichael Niedermayer <michael@niedermayer.cc>2016-04-24 12:30:20 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2016-04-27 04:40:12 +0200
commitc6e3682a0c19101e553552c19822add392242195 (patch)
tree200685a797ff7d859c9335a522bf31f2fe9fe012
parente80a4ce69f0eca53f7ef2b003bfa468faf6632af (diff)
downloadffmpeg-c6e3682a0c19101e553552c19822add392242195.tar.gz
avfilter/vf_drawtext: Check return code of load_glyph()
Fixes segfault Fixes Ticket5347 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 2e67a99fbc6b99315925de40fc6fa7161576be10) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavfilter/vf_drawtext.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
index 16e3383db0..a0cb222fa0 100644
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -1210,7 +1210,9 @@ static int draw_text(AVFilterContext *ctx, AVFrame *frame,
dummy.code = code;
glyph = av_tree_find(s->glyphs, &dummy, glyph_cmp, NULL);
if (!glyph) {
- load_glyph(ctx, &glyph, code);
+ ret = load_glyph(ctx, &glyph, code);
+ if (ret < 0)
+ return ret;
}
y_min = FFMIN(glyph->bbox.yMin, y_min);