小红书直播播放器工程师
社招全职3-5年多媒体技术地点:北京 | 上海 | 深圳状态:招聘
任职要求
1、计算机或相关专业,3 年及以上客户端开发经验,有音视频播放相关经验优先。 2、熟练掌握 Java/Kotlin/Objective-C 中至少一门语言与 C++,具备扎实的编程功底,熟悉多线程、内存管理与性能优化。 3、理解音视频编解码基础(如 H.264/H.265/AAC 等)及常见封装格式(FLV/TS/fMP4 等),有基于 FFmpeg/自研框架进行二次开发或内核优化经验者优先。 4、了解流媒体协议(RTMP、HTTP-FLV、HLS、WebRTC 等),在以下任一方向有实战经验者优先: -播放器状态机设计…
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工作职责
1、负责直播播放器平台层与内核层的架构设计与核心开发,包括播放器生命周期管理、多实例调度、容器化封装以及与点播播放器的内核共建。 2、参与直播播放内核的演进与优化(缓冲策略、解码/渲染 pipeline、丢帧与追帧策略等),为多协议智能拉流和上下文感知 ABR 提供稳定底座。 3、持续优化首帧耗时、卡顿率、秒开率、端到端延迟、音画质量等核心体验指标,提升弱网及复杂场景下的播放稳定性与一致性。 4、搭建播放容器层与内核层的可观测体系,完善播放质量监控、日志与埋点规范、异常归因和告警机制,支持策略实验与问题回放。 5、与媒体编解码、传输、CDN、策略算法及业务团队紧密协作,完成从拉流协议、播放器内核到业务形态的端到端播放链路优化与问题闭环。 6、参与构建面向直播场景的播放策略运行时(Strategy Runtime),支撑多协议编排、ABR 策略和 AI 决策在内核之上的快速试验与迭代。
包括英文材料
客户端开发+
https://developer.mozilla.org/zh-CN/docs/Learn_web_development/Core/Frameworks_libraries/Introduction
简要回顾 JavaScript 和框架的历史,为什么框架会存在以及它们提供了什么,如何开始考虑选择一个框架并学习,以及对于客户端框架还有什么替代方案。
https://gamefromscratch.com/the-best-game-development-frameworks/
If you are looking to create a game but perhaps want to craft your own game engine from existing technologies, or you prefer to work at a lower more code focused level, using a game framework instead of a game engine may be right for you.
Java+
https://www.youtube.com/watch?v=eIrMbAQSU34
Master Java – a must-have language for software development, Android apps, and more! ☕️ This beginner-friendly course takes you from basics to real coding skills.
Kotlin+
https://kotlinlang.org/docs/kotlin-tour-welcome.html
Quickly learn the essentials of the Kotlin programming language through our tours, which will take you from beginner to intermediate level.
https://learnxinyminutes.com/kotlin/
Kotlin is a statically typed programming language for the JVM, Android and the browser. It is 100% interoperable with Java.
https://www.youtube.com/watch?v=EExSSotojVI
In this full Kotlin course, you will learn the most popular programming language on Android and start building your own apps.
Objective-C+
[英文] Where X=Objective-C
https://learnxinyminutes.com/objective-c/
Objective-C is the main programming language used by Apple for the macOS and iOS operating systems and their respective frameworks, Cocoa and Cocoa Touch.
https://www.youtube.com/playlist?list=PL640F44F1C97BA581
Here is a list of all of my Objective C tutorials.
C+++
https://www.learncpp.com/
LearnCpp.com is a free website devoted to teaching you how to program in modern C++.
https://www.youtube.com/watch?v=ZzaPdXTrSb8
还有更多 •••