[FFmpeg-cvslog] avcodec/decode: always free private_ref

[Timo Rothenpieler]

ffmpeg | branch: master | Timo Rothenpieler <timo at rothenpieler.org> | Sat Nov 11 12:59:44 2017 +0100| [8dd73f68a6319d1784b33da9553671f1a0c197f9] | committer: Timo Rothenpieler

avcodec/decode: always free private_ref

There is no reason to keep this intact when decoding failed, specially
as private_ref is supposed to always be NULL when a frame is returned to
the user.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8dd73f68a6319d1784b33da9553671f1a0c197f9
---

 libavcodec/decode.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index 570799f6d7..7601d16082 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -613,7 +613,6 @@ static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
     if (ret == AVERROR_EOF)
         avci->draining_done = 1;
 
-    /* free the per-frame decode data */
     if (!ret) {
         /* the only case where decode data is not set should be decoders
          * that do not call ff_get_buffer() */
@@ -631,10 +630,11 @@ static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
                 }
             }
         }
-
-        av_buffer_unref(&frame->private_ref);
     }
 
+    /* free the per-frame decode data */
+    av_buffer_unref(&frame->private_ref);
+
     return ret;
 }