diff mbox

[FFmpeg-devel,3/4] dxva2: get the slice number directly from the surface in D3D11VA

Message ID 20161201162228.3524-3-robux4@videolabs.io
State Accepted
Headers show

Commit Message

Stève Lhomme Dec. 1, 2016, 4:22 p.m. UTC
From: Steve Lhomme <slhomme@matroska.org>

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

The loop is only done for DXVA2
---
 libavcodec/dxva2.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
diff mbox

Patch

diff --git a/libavcodec/dxva2.c b/libavcodec/dxva2.c
index a64b1b5..459e267 100644
--- a/libavcodec/dxva2.c
+++ b/libavcodec/dxva2.c
@@ -41,20 +41,20 @@  unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
     void *surface = ff_dxva2_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;