Module: libav
Branch: master
Commit: f67235a28cef44fcd97ae74ad53bbbc0d7f63d60

Author:    Steve Lhomme <[email protected]>
Committer: Anton Khirnov <[email protected]>
Date:      Wed Jan  4 13:44:12 2017 +0100

dxva2: get the slice number directly from the surface in D3D11VA

No need to loop through the known surfaces, we'll use the requested surface
anyway.

The loop is only done for DXVA2.

Signed-off-by: Anton Khirnov <[email protected]>

---

 libavcodec/dxva2.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/libavcodec/dxva2.c b/libavcodec/dxva2.c
index 6fc4f97..b0452b6 100644
--- a/libavcodec/dxva2.c
+++ b/libavcodec/dxva2.c
@@ -41,19 +41,19 @@ unsigned ff_dxva2_get_surface_index(const AVCodecContext 
*avctx,
     void *surface = get_surface(frame);
     unsigned i;
 
-    for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
 #if CONFIG_D3D11VA
-        if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD && 
ctx->d3d11va.surface[i] == surface) {
-            D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
-            ID3D11VideoDecoderOutputView_GetDesc(ctx->d3d11va.surface[i], 
&viewDesc);
-            return viewDesc.Texture2D.ArraySlice;
-        }
+    if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
+        D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
+        ID3D11VideoDecoderOutputView_GetDesc((ID3D11VideoDecoderOutputView*) 
surface, &viewDesc);
+        return viewDesc.Texture2D.ArraySlice;
+    }
 #endif
 #if CONFIG_DXVA2
+    for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
         if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == 
surface)
             return i;
-#endif
     }
+#endif
 
     assert(0);
     return 0;

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