NVENC support

Overlord-Client/cmd/agent/capture/nvenc_smoke_other.go

@@ -0,0 +1,16 @@
+//go:build !windows
+
+package capture
+
+type NVENCSmokeResult struct {
+	Available bool   `json:"available"`
+	DLL       string `json:"dll"`
+	APIMajor  int    `json:"api_major"`
+	APIMinor  int    `json:"api_minor"`
+	RawAPI    uint32 `json:"raw_api"`
+	Error     string `json:"error,omitempty"`
+}
+
+func RunNVENCSmoke() NVENCSmokeResult {
+	return NVENCSmokeResult{DLL: "nvEncodeAPI64.dll", Error: "NVENC smoke is only supported on Windows"}
+}