Use kcp as QoS module

src/media/video/encode/nvcodec/nv_encoder.h

@@ -0,0 +1,36 @@
+#ifndef _NV_ENCODER_H_
+#define _NV_ENCODER_H_
+
+#include "NvEncoderCuda.h"
+
+class VideoEncoder {
+ public:
+  VideoEncoder();
+  ~VideoEncoder();
+
+  int Init();
+  int Encode(const uint8_t* pData, int nSize);
+  virtual int OnEncodedImage(char* encoded_packets, size_t size);
+  void ForceIdr();
+
+ private:
+  int index_of_GPU = 0;
+  GUID codec_guid = NV_ENC_CODEC_H264_GUID;
+  GUID preset_guid = NV_ENC_PRESET_P2_GUID;
+  NV_ENC_TUNING_INFO tuning_info =
+      NV_ENC_TUNING_INFO::NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY;
+  int frame_width = 1280;
+  int frame_height = 720;
+  int keyFrameInterval_ = 3000;
+  int maxBitrate_ = 2000;
+  int max_payload_size_ = 3000;
+  NvEncoder* encoder_ = nullptr;
+  CUcontext cuda_context_ = nullptr;
+  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;
+};
+
+#endif