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

windows/flutter/ephemeral/cpp_client_wrapper/texture_registrar_impl.h

@@ -0,0 +1,44 @@
+// 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_CLIENT_WRAPPER_TEXTURE_REGISTRAR_IMPL_H_
+#define FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_TEXTURE_REGISTRAR_IMPL_H_
+
+#include "include/flutter/texture_registrar.h"
+
+namespace flutter {
+
+// Wrapper around a FlutterDesktopTextureRegistrarRef that implements the
+// TextureRegistrar API.
+class TextureRegistrarImpl : public TextureRegistrar {
+ public:
+  explicit TextureRegistrarImpl(
+      FlutterDesktopTextureRegistrarRef texture_registrar_ref);
+  virtual ~TextureRegistrarImpl();
+
+  // Prevent copying.
+  TextureRegistrarImpl(TextureRegistrarImpl const&) = delete;
+  TextureRegistrarImpl& operator=(TextureRegistrarImpl const&) = delete;
+
+  // |flutter::TextureRegistrar|
+  int64_t RegisterTexture(TextureVariant* texture) override;
+
+  // |flutter::TextureRegistrar|
+  bool MarkTextureFrameAvailable(int64_t texture_id) override;
+
+  // |flutter::TextureRegistrar|
+  void UnregisterTexture(int64_t texture_id,
+                         std::function<void()> callback) override;
+
+  // |flutter::TextureRegistrar|
+  bool UnregisterTexture(int64_t texture_id) override;
+
+ private:
+  // Handle for interacting with the C API.
+  FlutterDesktopTextureRegistrarRef texture_registrar_ref_;
+};
+
+}  // namespace flutter
+
+#endif  // FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_TEXTURE_REGISTRAR_IMPL_H_