[FFmpeg-cvslog] avcodec/a64multienc: use av_frame_ref instead of copying the frame

[Andreas Cadhalpun]

ffmpeg | branch: release/2.4 | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Sun Feb 22 20:43:30 2015 +0100| [3167bba15ec3c7b23b73bd8f2500bd951f0ec005] | committer: Michael Niedermayer

avcodec/a64multienc: use av_frame_ref instead of copying the frame

This fixes freeing the frame buffer twice on cleanup leading to a crash.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 39e4ed7c1d8d840be47f6d604704d47a59a9ae5d)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3167bba15ec3c7b23b73bd8f2500bd951f0ec005
---

 libavcodec/a64multienc.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/a64multienc.c b/libavcodec/a64multienc.c
index fc00d3f..60644a2 100644
--- a/libavcodec/a64multienc.c
+++ b/libavcodec/a64multienc.c
@@ -317,7 +317,9 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     } else {
         /* fill up mc_meta_charset with data until lifetime exceeds */
         if (c->mc_frame_counter < c->mc_lifetime) {
-            *p = *pict;
+            ret = av_frame_ref(p, pict);
+            if (ret < 0)
+                return ret;
             p->pict_type = AV_PICTURE_TYPE_I;
             p->key_frame = 1;
             to_meta_with_crop(avctx, p, meta + 32000 * c->mc_frame_counter);