[FFmpeg-cvslog] avcodec/mjpegenc: Use av_frame_clone() instead of av_frame_ref()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Jan 24 03:24:55 2014 +0100| [a26e9c1040afeecf9013da742b0dec7009445f2b] | committer: Michael Niedermayer

avcodec/mjpegenc: Use av_frame_clone() instead of av_frame_ref()

This avoids the need for double error checking
Fixes CID1163843

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a26e9c1040afeecf9013da742b0dec7009445f2b
---

 libavcodec/mjpegenc.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c
index 44e1c3c..7487ef8 100644
--- a/libavcodec/mjpegenc.c
+++ b/libavcodec/mjpegenc.c
@@ -539,10 +539,9 @@ static int amv_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
     if(s->avctx->flags & CODEC_FLAG_EMU_EDGE)
         return AVERROR(EINVAL);
 
-    pic = av_frame_alloc();
+    pic = av_frame_clone(pic_arg);
     if (!pic)
         return AVERROR(ENOMEM);
-    av_frame_ref(pic, pic_arg);
     //picture should be flipped upside-down
     for(i=0; i < 3; i++) {
         int vsample = i ? 2 >> chroma_v_shift : 2;