MLECO-1252 ASR sample application using the public ArmNN C++ API.

Change-Id: I98cd505b8772a8c8fa88308121bc94135bb45068
Signed-off-by: Éanna Ó Catháin <eanna.ocathain@arm.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/samples/common/include/CVUtils/IFrameOutput.hpp b/samples/common/include/CVUtils/IFrameOutput.hpp
new file mode 100644
index 0000000000..6f7ca0b574
--- /dev/null
+++ b/samples/common/include/CVUtils/IFrameOutput.hpp
@@ -0,0 +1,48 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <cstddef>
+#include <memory>
+
+namespace common
+{
+/**
+ * @brief Frames output interface
+ *
+ * @tparam FrameDataT frame container data type
+ */
+    template<typename FrameDataT> class IFrameOutput
+    {
+
+    public:
+        /**
+         * @brief Writes frame to the selected output
+         *
+         * @param frame container
+         */
+        virtual void WriteFrame(std::shared_ptr <FrameDataT>& frame) = 0;
+
+        /**
+         * @brief Closes the frame output
+         */
+        virtual void Close() = 0;
+
+        /**
+         * @brief Checks if the frame sink is ready to write.
+         *
+         * @return True if frame sink is ready, False otherwise
+         */
+        virtual bool IsReady() const = 0;
+
+        /**
+         * @brief Default destructor
+         */
+        virtual ~IFrameOutput() = default;
+
+    };
+
+}// namespace common