feat: Add streaming handlers for live TV proxying and VOD HLS transcoding using FFmpeg.

windows/flutter/ephemeral/flutter_export.h

@@ -0,0 +1,28 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef FLUTTER_SHELL_PLATFORM_COMMON_PUBLIC_FLUTTER_EXPORT_H_
+#define FLUTTER_SHELL_PLATFORM_COMMON_PUBLIC_FLUTTER_EXPORT_H_
+
+#ifdef FLUTTER_DESKTOP_LIBRARY
+
+// Add visibility/export annotations when building the library.
+#ifdef _WIN32
+#define FLUTTER_EXPORT __declspec(dllexport)
+#else
+#define FLUTTER_EXPORT __attribute__((visibility("default")))
+#endif
+
+#else  // FLUTTER_DESKTOP_LIBRARY
+
+// Add import annotations when consuming the library.
+#ifdef _WIN32
+#define FLUTTER_EXPORT __declspec(dllimport)
+#else
+#define FLUTTER_EXPORT
+#endif
+
+#endif  // FLUTTER_DESKTOP_LIBRARY
+
+#endif  // FLUTTER_SHELL_PLATFORM_COMMON_PUBLIC_FLUTTER_EXPORT_H_