[FFmpeg-cvslog] hwcontext_d3d11: Log adapter details on device creation

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Tue Nov 14 13:02:26 2017 +0000| [8bbf2dacbfb4ead1535dea411035994f507f517d] | committer: Mark Thompson

hwcontext_d3d11: Log adapter details on device creation

This is helpful to know what device has actually been used.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8bbf2dacbfb4ead1535dea411035994f507f517d
---

 libavutil/hwcontext_d3d11va.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libavutil/hwcontext_d3d11va.c b/libavutil/hwcontext_d3d11va.c
index 65dd6651fc..769c81fd77 100644
--- a/libavutil/hwcontext_d3d11va.c
+++ b/libavutil/hwcontext_d3d11va.c
@@ -515,8 +515,15 @@ static int d3d11va_device_create(AVHWDeviceContext *ctx, const char *device,
 
     hr = mD3D11CreateDevice(pAdapter, pAdapter ? D3D_DRIVER_TYPE_UNKNOWN : D3D_DRIVER_TYPE_HARDWARE, NULL, creationFlags, NULL, 0,
                    D3D11_SDK_VERSION, &device_hwctx->device, NULL, NULL);
-    if (pAdapter)
+    if (pAdapter) {
+        DXGI_ADAPTER_DESC2 desc;
+        hr = IDXGIAdapter2_GetDesc(pAdapter, &desc);
+        if (!FAILED(hr)) {
+            av_log(ctx, AV_LOG_INFO, "Using device %04x:%04x (%ls).\n",
+                   desc.VendorId, desc.DeviceId, desc.Description);
+        }
         IDXGIAdapter_Release(pAdapter);
+    }
     if (FAILED(hr)) {
         av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device (%lx)\n", (long)hr);
         return AVERROR_UNKNOWN;