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兼容主流海康和雄迈IPC的适用于C++和python的帧数据获取接口

License: GNU General Public License v3.0

C++ 11.56% CMake 0.56% Python 0.09% C 87.79%

ipcamera-cpython-interface's Introduction

IPCamera-CPython-Interface-v4

这是什么东西（What is this）

  • 兼容主流海康和雄迈IPC的适用于C、C++和python2/3的帧数据获取接口
  • 简化海康和雄迈IPC连接、登录、注册回调、解码（FFMPEG）、取帧的步骤
  • 通过Ctypes支持python2和python3（编译时修改CMAKE的TARGET_PYTHON_VERSION）

性能对比（Performance comparison）

一张图看懂取帧接口版本差异

原理简要说明（Brief description of the principle）

一张图看懂取帧接口处理流程

接口调用方式（C/C++/Python）

环境要求（the environment require）

尽管本repo提供基于以下环境的预编译so文件

  • Ubuntu 18.04.1 LTS（国内镜像）
  • Python 3.6.X（apt下载）
  • Opencv 4.0.X（源码编译）
  • FFmpeg 4.1.X（源码编译）

但还是建议额外安装以下依赖环境自行编译

目录结构说明（Files-Tree）

  • hk_interface - 存放海康接口源码、测试demo、SDK
  • xm_interface - 存放雄迈接口源码、测试demo、SDK
  • 每个关键子目录下都附带README文件

注意事项（Cautious）

  • 使用内存管道方法配合nginx_rtmp_module推流延迟较高，需要低延迟推流可以考虑使用基于类MJPEG协议的推流框架
  • 编译安装ffmpeg前需要设置./configure --enbale-shared来防止opencv编译过程无法引用动态库导致的video.so相关错误
  • 编译安装opencv时若出现xfeatures2d相关错误，需要重新下载curl并按照如下步骤编译安装
    1. cd /root/Downloads/curl
    2. ./configure --with-ssl
    3. make
    4. sudo make install
  • 在Ubuntu 18.04上安装openCV可以参考这个链接

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