The slice index expected by D3D11VA is the one from the texture not from the
array or texture/slices.
In VLC the slices we provide the decoder don't start from 0 and thus pictures
appear in bogus order. With possible crashes and corruptions when using an
invalid index.
---
libavcodec/dxva2.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavcodec/dxva2.c b/libavcodec/dxva2.c
index 9157094..c8982dc 100644
--- a/libavcodec/dxva2.c
+++ b/libavcodec/dxva2.c
@@ -43,7 +43,16 @@ unsigned ff_dxva2_get_surface_index(const AVCodecContext
*avctx,
for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++)
if (DXVA_CONTEXT_SURFACE(avctx, ctx, i) == surface)
+#if CONFIG_D3D11VA
+ {
+ ID3D11VideoDecoderOutputView *pOut = DXVA_CONTEXT_SURFACE(avctx,
ctx, i);
+ D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
+ ID3D11VideoDecoderOutputView_GetDesc( pOut, &viewDesc );
+ return viewDesc.Texture2D.ArraySlice;
+ }
+#elif CONFIG_DXVA2
return i;
+#endif
assert(0);
return 0;
--
2.8.2
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