obs-ffmpeg: Remove EnumOutputs from encoder tests

This call will fail on multi-adapter systems, and isn't used anyway, so
just remove it. Not sure why it was called in the first place; pretty
sure it was unintended and was likely just copied over from the D3D11
subsystem code.

plugins/obs-ffmpeg/obs-amf-test/obs-amf-test.cpp

@@ -59,11 +59,6 @@ static bool get_adapter_caps(IDXGIFactory *factory, uint32_t adapter_idx)
 
 	caps.is_amd = true;
 
-	ComPtr<IDXGIOutput> output;
-	hr = adapter->EnumOutputs(0, &output);
-	if (FAILED(hr))
-		return true;
-
 	ComPtr<ID3D11Device> device;
 	ComPtr<ID3D11DeviceContext> context;
 	hr = D3D11CreateDevice(adapter, D3D_DRIVER_TYPE_UNKNOWN, nullptr, 0,

plugins/obs-ffmpeg/obs-nvenc-test/jim-nvenc-test.c

@@ -41,7 +41,6 @@ static bool get_adapter_caps(IDXGIFactory *factory, uint32_t adapter_idx)
 {
 	struct nvenc_info *caps = &adapter_info[adapter_idx];
 	IDXGIAdapter *adapter = NULL;
-	IDXGIOutput *output = NULL;
 	ID3D11Device *device = NULL;
 	ID3D11DeviceContext *context = NULL;
 	GUID *guids = NULL;
@@ -63,10 +62,6 @@ static bool get_adapter_caps(IDXGIFactory *factory, uint32_t adapter_idx)
 
 	caps->is_nvidia = true;
 
-	hr = adapter->lpVtbl->EnumOutputs(adapter, 0, &output);
-	if (FAILED(hr))
-		goto finish;
-
 	hr = D3D11CreateDevice(adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, 0, NULL,
 			       0, D3D11_SDK_VERSION, &device, NULL, &context);
 	if (FAILED(hr))
@@ -111,8 +106,6 @@ finish:
 		context->lpVtbl->Release(context);
 	if (device)
 		device->lpVtbl->Release(device);
-	if (output)
-		output->lpVtbl->Release(output);
 	if (adapter)
 		adapter->lpVtbl->Release(adapter);
 	return true;