From e18ba2dfd2d19aedc8afccf011d5fd0833352423 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 7 Nov 2016 14:12:17 +0100
Subject: [PATCH] hwcontext_dxva2: make sure the sw frame format is the right
one during transfer
---
libavutil/hwcontext_dxva2.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavutil/hwcontext_dxva2.c b/libavutil/hwcontext_dxva2.c
index 3fe19a6b650..ccf03c8e9ff 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);
--
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