libavfilter/qsvvpp: enabling d3d11va support, added mfxhdlpair

Adding DX11 relevant device type checks and adjusting callback with
proper MediaSDK pair type support.

Signed-off-by: Artem Galin <artem.galin@intel.com>

libavfilter/qsvvpp.c

@@ -36,12 +36,7 @@
                                         MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET))
 #define IS_OPAQUE_MEMORY(mode) (mode & MFX_MEMTYPE_OPAQUE_FRAME)
 #define IS_SYSTEM_MEMORY(mode) (mode & MFX_MEMTYPE_SYSTEM_MEMORY)
-
-static const mfxHandleType handle_types[] = {
-    MFX_HANDLE_VA_DISPLAY,
-    MFX_HANDLE_D3D9_DEVICE_MANAGER,
-    MFX_HANDLE_D3D11_DEVICE,
-};
+#define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
 
 static const AVRational default_tb = { 1, 90000 };
 
@@ -202,7 +197,13 @@ static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
 
 static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
 {
-    *hdl = mid;
+    mfxHDLPair *pair_dst = (mfxHDLPair*)hdl;
+    mfxHDLPair *pair_src = (mfxHDLPair*)mid;
+
+    pair_dst->first = pair_src->first;
+
+    if (pair_src->second != (mfxMemId)MFX_INFINITE)
+        pair_dst->second = pair_src->second;
     return MFX_ERR_NONE;
 }
 
@@ -572,14 +573,18 @@ static int init_vpp_session(AVFilterContext *avctx, QSVVPPContext *s)
         return AVERROR_UNKNOWN;
     }
 
-    for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
-        ret = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle);
-        if (ret == MFX_ERR_NONE) {
-            handle_type = handle_types[i];
-            break;
-        }
+    if (MFX_IMPL_VIA_VAAPI == MFX_IMPL_VIA_MASK(impl)) {
+        handle_type = MFX_HANDLE_VA_DISPLAY;
+    } else if (MFX_IMPL_VIA_D3D11 == MFX_IMPL_VIA_MASK(impl)) {
+        handle_type = MFX_HANDLE_D3D11_DEVICE;
+    } else if (MFX_IMPL_VIA_D3D9 == MFX_IMPL_VIA_MASK(impl)) {
+        handle_type = MFX_HANDLE_D3D9_DEVICE_MANAGER;
+    } else {
+        av_log(avctx, AV_LOG_ERROR, "Error unsupported handle type\n");
+        return AVERROR_UNKNOWN;
     }
 
+    ret = MFXVideoCORE_GetHandle(device_hwctx->session, handle_type, &handle);
     if (ret < 0)
         return ff_qsvvpp_print_error(avctx, ret, "Error getting the session handle");
     else if (ret > 0) {