[FFmpeg-cvslog] hwcontext_dxva2: make sure the sw frame format is the right one during transfer

[Anton Khirnov]

ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Mon Nov  7 14:12:17 2016 +0100| [e18ba2dfd2d19aedc8afccf011d5fd0833352423] | committer: Anton Khirnov

hwcontext_dxva2: make sure the sw frame format is the right one during transfer

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e18ba2dfd2d19aedc8afccf011d5fd0833352423
---

 libavutil/hwcontext_dxva2.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavutil/hwcontext_dxva2.c b/libavutil/hwcontext_dxva2.c
index 3fe19a6..ccf03c8 100644
--- a/libavutil/hwcontext_dxva2.c
+++ b/libavutil/hwcontext_dxva2.c
@@ -315,6 +315,9 @@ static int dxva2_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
     AVFrame *map;
     int ret;
 
+    if (src->format != ctx->sw_format)
+        return AVERROR(ENOSYS);
+
     map = av_frame_alloc();
     if (!map)
         return AVERROR(ENOMEM);
@@ -339,6 +342,9 @@ static int dxva2_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst,
     ptrdiff_t src_linesize[4], dst_linesize[4];
     int ret, i;
 
+    if (dst->format != ctx->sw_format)
+        return AVERROR(ENOSYS);
+
     map = av_frame_alloc();
     if (!map)
         return AVERROR(ENOMEM);