MLECO-1252 ASR sample application using the public ArmNN C++ API.
Change-Id: I98cd505b8772a8c8fa88308121bc94135bb45068
Signed-off-by: Éanna Ó Catháin <eanna.ocathain@arm.com>
diff --git a/samples/common/include/CVUtils/IFrameReader.hpp b/samples/common/include/CVUtils/IFrameReader.hpp
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+++ b/samples/common/include/CVUtils/IFrameReader.hpp
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+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <cstddef>
+#include <memory>
+
+namespace common
+{
+/**
+ * @brief Frame source reader interface
+ *
+ * @tparam FrameDataT frame container data type
+ */
+template<typename FrameDataT> class IFrameReader
+{
+
+public:
+ /**
+ * @brief Reads the next frame from the source
+ *
+ * @return pointer to the frame container
+ */
+ virtual std::shared_ptr <FrameDataT> ReadFrame() = 0;
+
+ /**
+ * @brief Checks if the frame source has more frames to read.
+ *
+ * @param[in] frame the pointer to the last frame captured with the ReadFrame method could be used in
+ * implementation specific logic to check frames source state.
+ * @return True if frame source was exhausted, False otherwise
+ */
+ virtual bool IsExhausted(const std::shared_ptr <FrameDataT>& frame) const = 0;
+
+ /**
+ * @brief Default destructor
+ */
+ virtual ~IFrameReader() = default;
+
+};
+
+}// namespace common
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