Implementation for FEC encoder module

src/fec/fec_encoder.h

@@ -0,0 +1,49 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-11-13
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _FEC_ENCODER_H_
+#define _FEC_ENCODER_H_
+
+#include <stdint.h>
+
+#include <vector>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "lib_common/of_openfec_api.h"
+#ifdef __cplusplus
+};
+#endif
+
+class FecEncoder {
+ public:
+  FecEncoder();
+  ~FecEncoder();
+
+ public:
+  int Init();
+  int Release();
+  uint8_t **Encode(const char *data, size_t len);
+  int ReleaseFecPackets(uint8_t **fec_packets, size_t len);
+  void GetFecPacketsParams(unsigned int source_length,
+                           unsigned int &num_of_total_packets,
+                           unsigned int &num_of_source_packets,
+                           unsigned int &last_packet_size);
+
+ 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;
+};
+
+#endif