Android平台gb28181 的相关内容

Android平台RTMP推送|轻量级RTSP服务|GB28181设备接入模块之实时快照保存JPG还是PNG？

JPG还是PNG？JPG和PNG是两种常见的图片文件格式，在压缩方式、图像质量、透明效果和可编辑性等方面存在显著差异。压缩方式：JPG是一种有损压缩格式，通过丢弃图像数据来减小文件大小，因此可能会损失一些图像细节和质量。而PNG使用的是无损压缩格式，它不会丢失任何原始图像数据，从而保持了图像的完整性...

Android平台GB28181设备接入侧如何实现SIP校时

规范解读GB/T28181-2016规范里面，9.10.1章节，关于校时基本要求：联网内设备支持基于SIP方式或 NTP方式的网络校时功能，标准时间为北京时间。SIP方式校时见本节具体描述；NTP(见IETFRFC2030)协议的网络统一校时服务，网络校时设备分为时钟源和客户端，支持客户/服务器的工...

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Android平台GB28181设备接入侧如何实现按需打开视音频采集传输

GB/T28181规范GB/T28181是中国国家标准，全称为《安全防范视频监控联网系统信息传输、交换、控制技术要求》，该标准规定了城市安全防范监控系统中视频监控联网系统的一般要求和架构，以及信息传输、交换、控制的技术要求。它主要应用于安防领域，为各种视频监控系统提供了一致的接口规范，使得不同厂商生...

Android平台GB28181历史视音频文件下载规范探讨及技术实现

技术背景上篇blog，我们提到了Android平台GB28181历史视音频文件检索规范探讨及技术实现，文件检索后，GB28181平台侧，可以针对文件列表进行回放或下载操作，本文主要探讨视音频文件下载相关。规范解读视音频文件下载基本要求SIP 服务器接收到媒体接收者发送的视音频文件下载请求后向媒体流发...

Android平台GB28181历史视音频文件检索规范探讨及技术实现

技术背景我们在做Android平台GB28181设备接入侧模块的时候，特别是执法记录仪或类似场景，系统除了对常规的录像有要求，还需要能和GB28181平台侧交互，比如实现设备侧视音频文件检索、下载或回放。本文假定记录仪或相关设备已经完成录像，主要来探讨下设备视音频文件检索相关。规范解读先回顾下GB/...

Android平台GB28181接入模块技术接入说明

技术背景今天，我们主要讲讲Android平台GB28181接入模块的技术对接，Android平台GB28181接入模块设计的目的，可实现不具备国标音视频能力的 Android终端，通过平台注册接入到现有的GB/T28181—2016服务，可用于如智能监控、智慧零售、智慧教育、远程办公、生产运输、智慧...

Android平台GB28181设备接入端如何支持跨网段语音对讲

技术背景如果你是音视频开发者亦或寻求这块技术方案的公司，在探讨这个问题之前，你可能网上看了太多关于语音广播和语音对讲相关的资料，大多文章认为语音对讲和语音广播无本质区别，实现思路也大同小异。今天我们主要探讨的是，语音对讲有哪些可行的技术方案？实际使用场景下，分别有哪些限制？如何实现相对...

Android平台GB28181设备接入模块相关博客概览

Android平台GB28181设备接入模块，可实现不具备国标音视频能力的 Android终端，通过平台注册接入到现有的GB/T28181—2016服务，可用于如智能监控、智慧零售、智慧教育、远程办公、生产运输、智慧交通、车载或执法记录仪等场景。Android终端除支持常规的音视频数据接入外，还可以...

Android平台RTMP推送或GB28181设备接入端如何实现采集audio音量放大？

我们在做Android平台RTMP推送和GB28181设备对接的时候，遇到这样的问题，有的设备，麦克风采集出来的audio，音量过高或过低，特别是有些设备，采集到的麦克风声音过低，导致播放端听不清前端采集的audio，这时候，就需要针对采集到的audio，做...

Android平台GB28181设备接入端语音广播技术探究和填坑指南

技术背景GB/T28181-2016官方规范和交互流程，我们不再赘述。SIP服务器发起广播流程示意图如下：需要注意的是：语音广播通知、语音广播应答命令消息头 Content-type字段为 Content-type:Application/MANSCDP+xml。语音广播通知、语音广播应...

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