ffmpeg | branch: master | Sebastien Zwickert <dilar...@gmail.com> | Sat Jun 20 
13:19:29 2015 +0200| [c06fdacc3dc706e70d953917fea845532d3703ca] | committer: 
Clément Bœsch

vda: unlock the pixel buffer base address.

The pixel buffer base address is never unlocked this causes
a bug with some pixel format types that are produced natively
by the hardware decoder: the first buffer was always used.
Unlock the pixel buffer base address fixes the issue.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c06fdacc3dc706e70d953917fea845532d3703ca
---

 ffmpeg_vda.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/ffmpeg_vda.c b/ffmpeg_vda.c
index d15648d..6fe4ed4 100644
--- a/ffmpeg_vda.c
+++ b/ffmpeg_vda.c
@@ -77,6 +77,8 @@ static int vda_retrieve_data(AVCodecContext *s, AVFrame 
*frame)
                   frame->width, frame->height);
 
     ret = av_frame_copy_props(vda->tmp_frame, frame);
+    CVPixelBufferUnlockBaseAddress(pixbuf, kCVPixelBufferLock_ReadOnly);
+
     if (ret < 0)
         return ret;
 

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