Implementation for openh264 codec

src/media/video/encode/openh264/openh264_encoder.h

@@ -0,0 +1,62 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-11-03
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _OPENH264_ENCODER_H_
+#define _OPENH264_ENCODER_H_
+
+#include <wels/codec_api.h>
+#include <wels/codec_app_def.h>
+#include <wels/codec_def.h>
+#include <wels/codec_ver.h>
+
+#include <functional>
+#include <vector>
+
+#include "video_encoder.h"
+
+class OpenH264Encoder : public VideoEncoder {
+ public:
+  OpenH264Encoder();
+  virtual ~OpenH264Encoder();
+
+  int Init();
+  int Encode(
+      const uint8_t* pData, int nSize,
+      std::function<int(char* encoded_packets, size_t size)> on_encoded_image);
+
+  virtual int OnEncodedImage(char* encoded_packets, size_t size);
+
+  void ForceIdr();
+
+ private:
+  SEncParamExt CreateEncoderParams() const;
+  int Release();
+
+ private:
+  int frame_width_ = 1280;
+  int frame_height_ = 720;
+  int key_frame_interval_ = 3000;
+  int target_bitrate_ = 1000;
+  int max_bitrate_ = 1000;
+  int max_payload_size_ = 3000;
+  int max_frame_rate_ = 30;
+  std::vector<std::vector<uint8_t>> encoded_packets_;
+  unsigned char* encoded_image_ = nullptr;
+  FILE* file_ = nullptr;
+  unsigned char* nv12_data_ = nullptr;
+  unsigned int seq_ = 0;
+
+  // openh264
+  ISVCEncoder* openh264_encoder_ = nullptr;
+  SSourcePicture raw_frame_;
+  uint8_t* encoded_frame_ = nullptr;
+  int encoded_frame_size_ = 0;
+  bool got_output = false;
+  bool is_keyframe = false;
+  int temporal_ = 1;
+};
+
+#endif