[FFmpeg-cvslog] avcodec/cdgraphics: Use ff_set_dimensions()

[Michael Niedermayer]

ffmpeg | branch: release/3.4 | Michael Niedermayer <michael at niedermayer.cc> | Tue Mar  5 12:51:22 2019 +0100| [d2fd2921e3427918cfc91a45a96d044079461e69] | committer: Michael Niedermayer

avcodec/cdgraphics: Use ff_set_dimensions()

Fixes: Timeout (17 sec -> 65 milli sec)
Fixes: 13264/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CDGRAPHICS_fuzzer-5711167941509120

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 9a9f0e239c1c6f5c96cc90ba673087f86ca1eabc)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d2fd2921e3427918cfc91a45a96d044079461e69
---

 libavcodec/cdgraphics.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/libavcodec/cdgraphics.c b/libavcodec/cdgraphics.c
index 87ad5e79f4..da6fb7af03 100644
--- a/libavcodec/cdgraphics.c
+++ b/libavcodec/cdgraphics.c
@@ -80,11 +80,8 @@ static av_cold int cdg_decode_init(AVCodecContext *avctx)
         return AVERROR(ENOMEM);
     cc->transparency = -1;
 
-    avctx->width   = CDG_FULL_WIDTH;
-    avctx->height  = CDG_FULL_HEIGHT;
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
-
-    return 0;
+    return ff_set_dimensions(avctx, CDG_FULL_WIDTH, CDG_FULL_HEIGHT);
 }
 
 static void cdg_border_preset(CDGraphicsContext *cc, uint8_t *data)