字节跳动高级视频编码开发工程师-移动OS
社招全职A239846地点:北京状态:招聘
任职要求
1、精通Windows平台的视频编码技术,熟悉主流编解码标准(H.264、H.265、VP9等); 2、熟悉Windows系统API接口,能够高效调用Windows多媒体框架(如DirectShow、Media Foundation); 3、掌握Windows桌面捕获技术(GDI、DXGI、D3D11 Desktop Duplication、Windows Graphics Capture); 4、具备扎实的C/C++编程能力,熟练使用多线程、内存管理、性能优化等技术;有DirectX、CUDA、Vulkan等GPU加速相关经验者优先; 5、具备较强的英文沟通能力,能够流畅阅读技术文档,并与海外团队进行有效的技术交流; 6、有良好的团队合作和沟通能力、具备较强的学习能力和解决问题能力,有强烈的求知欲和进取心 ,能及时关注和学习业界最新的开发技术。 优先条件(加分项): 1、有FFmpeg、X264/X265、NVENC、QSV、AMF相关开发经验; 2、了解流媒体协议(RTSP、RTMP、WebRTC),有视频直播、录制相关经验; 3、具备Windows平台下的音视频同步、后处理、滤镜等开发经验。
工作职责
1、负责Windows平台下的视频编码技术开发与优化,提升编码效率和质量; 2、深入研究Windows系统API接口,开发高效、稳定的视频处理方案; 3、负责Windows桌面捕获、屏幕录制等相关技术的开发与优化; 4、进行视频编码相关的性能调优,优化CPU/GPU资源使用,提高实时性; 5、参与视频流媒体相关应用的开发,支持H.264、H.265等编码格式; 6、解决开发过程中遇到的技术难题,提升系统的稳定性与兼容性;与国际团队或海外客户进行技术沟通,提供支持和解决方案。
包括英文材料
Windows+
[英文] Windows 10 Tutorial
https://www.tutorialspoint.com/windows10/index.htm
This tutorial gives you all the indepth information on this new operating system and its procedures.
C+
https://www.freecodecamp.org/chinese/news/the-c-beginners-handbook/
本手册遵循二八定律。你将在 20% 的时间内学习 80% 的 C 编程语言。
https://www.youtube.com/watch?v=87SH2Cn0s9A
https://www.youtube.com/watch?v=KJgsSFOSQv0
This course will give you a full introduction into all of the core concepts in the C programming language.
https://www.youtube.com/watch?v=PaPN51Mm5qQ
In this complete C programming course, Dr. Charles Severance (aka Dr. Chuck) will help you understand computer architecture and low-level programming with the help of the classic C Programming language book written by Brian Kernighan and Dennis Ritchie.
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
多线程+
https://liaoxuefeng.com/books/java/threading/basic/index.html
和单线程相比,多线程编程的特点在于:多线程经常需要读写共享数据,并且需要同步。
https://www.youtube.com/watch?v=_uQgGS_VIXM&list=PLsc-VaxfZl4do3Etp_xQ0aQBoC-x5BIgJ
https://www.youtube.com/watch?v=IEEhzQoKtQU
https://www.youtube.com/watch?v=mTGdtC9f4EU&list=PLL8woMHwr36EDxjUoCzboZjedsnhLP1j4
https://www.youtube.com/watch?v=TPVH_coGAQs&list=PLk6CEY9XxSIAeK-EAh3hB4fgNvYkYmghp
https://www.youtube.com/watch?v=xPqnoB2hjjA
This video is an introduction to multithreading in modern C++.
https://www.youtube.com/watch?v=YKBwKy5PrpQ
Rust threading is easy to implement and improves the efficiency of your applications on multi-core systems!
DirectX+
http://www.directxtutorial.com/lessonarticle.aspx?id=1
the purpose of this website is to assist novice programmers to overcome the difficulties in learning DirectX and game programming.
https://learn.microsoft.com/en-us/windows/win32/direct3dgetstarted/getting-started-with-a-directx-game
Creating a Microsoft DirectX game for Windows is a challenge for a new developer. Here we quickly review the concepts involved and the steps you must take to begin developing a game using DirectX and C++.
CUDA+
https://developer.nvidia.com/blog/even-easier-introduction-cuda/
This post is a super simple introduction to CUDA, the popular parallel computing platform and programming model from NVIDIA.
https://www.youtube.com/watch?v=86FAWCzIe_4
Lean how to program with Nvidia CUDA and leverage GPUs for high-performance computing and deep learning.
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