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+/* ------------------------------------------------------------------
+ * Copyright (C) 2011 Martin Storsjo
+ * Copyright (C) 2017 Matthias P. Braendli
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+
+/*!
+ * \file AACDecoder.h
+ * \brief Uses FDK-AAC to decode the AAC format for loopback tests
+ */
+
+#pragma once
+
+#include <fdk-aac/aacdecoder_lib.h>
+#include <cstdint>
+#include <vector>
+#include "wavfile.h"
+
+class AACDecoder {
+ public:
+ AACDecoder(const char* wavfilename);
+
+ void decode_frame(uint8_t *data, size_t len);
+
+ private:
+ void decode_au(uint8_t *data, size_t len);
+
+ bool m_decoder_set_up = false;
+
+ int m_channels = 0;
+
+ WavWriter m_wav_writer;
+ HANDLE_AACDECODER m_handle;
+ std::vector<uint8_t> m_output_frame;
+};
+