Implementation for FEC decoder module

src/fec/fec_decoder.h

@@ -0,0 +1,50 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-11-15
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _FEC_DECODER_H_
+#define _FEC_DECODER_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "lib_common/of_openfec_api.h"
+#ifdef __cplusplus
+};
+#endif
+
+class FecDecoder {
+ public:
+  FecDecoder();
+  ~FecDecoder();
+
+ public:
+  int Init();
+  int Release();
+  int ResetParams(unsigned int source_symbol_num);
+  uint8_t **DecodeWithNewSymbol(const char *fec_symbol,
+                                unsigned int fec_symbol_id);
+  int ReleaseSourcePackets(uint8_t **source_packets);
+
+ private:
+  double code_rate_ = 0.667;
+  int max_size_of_packet_ = 1400;
+
+ private:
+  of_codec_id_t fec_codec_id_ = OF_CODEC_REED_SOLOMON_GF_2_M_STABLE;
+  of_session_t *fec_session_ = nullptr;
+  of_parameters_t *fec_params_ = nullptr;
+  of_rs_2_m_parameters_t *fec_rs_params_ = nullptr;
+  of_ldpc_parameters_t *fec_ldpc_params_ = nullptr;
+
+  unsigned int num_of_received_symbols_ = 0;
+  unsigned int num_of_source_packets_ = 0;
+  unsigned int num_of_total_packets_ = 0;
+};
+
+#endif