media processing

Rare Earth Juejin Tech Community

Dec 18, 2024 · Artificial Intelligence

Personalized Video Streaming and Playback Technology: Methods, Architecture, and Optimization

This article presents a comprehensive study of personalized short‑video streaming and playback, detailing the limitations of traditional audio‑video pipelines, introducing a decision‑theoretic framework that models user, item, and context features, and describing system components such as personalized streaming, quality scheduling, on‑demand delivery, user‑item aware encoding, and resource allocation, all validated through extensive online experiments that demonstrate significant business and performance gains.

CDN optimizationContent DeliveryVideo Encoding

0 likes · 52 min read

Personalized Video Streaming and Playback Technology: Methods, Architecture, and Optimization

Bilibili Tech

Dec 3, 2024 · Frontend Development

Design and Implementation of a WASM Demuxer for WebCodecs Video Frame Extraction

The project extracts FFmpeg’s demuxing logic into a lightweight WebAssembly module that feeds container‑agnostic video packets to WebCodecs, enabling fast, low‑cost frame extraction across many formats and cutting cover‑generation latency by ~40% while reducing container‑related failures by ~72%.

FFmpegVideo DemuxingWebAssembly

0 likes · 11 min read

Design and Implementation of a WASM Demuxer for WebCodecs Video Frame Extraction

Bilibili Tech

Oct 17, 2023 · Artificial Intelligence

Design and Implementation of Bilibili Video Template System

The Bilibili video template system combines theme‑based editing, a layered architecture, and a cross‑platform Protobuf protocol to enable PGC and UGC creators to produce, review, distribute, and consume richly‑featured videos with standardized media formats, modular plugins, AI integration, and robust quality assurance.

AI integrationProtobufcomponentization

0 likes · 20 min read

Design and Implementation of Bilibili Video Template System

OPPO Kernel Craftsman

Apr 14, 2023 · Fundamentals

Pipeline Domain Design in Multimedia Frameworks: Concepts, Comparative Analysis, and Implementation

The article defines pipeline domain design concepts, compares major multimedia frameworks such as FFmpeg, GStreamer, MediaPipe and AVPipeline, and demonstrates a configurable, extensible node‑based architecture that enables fast plugin integration and adaptable audio‑video pipelines across diverse business scenarios and platforms.

AIGStreamerframework

0 likes · 39 min read

Pipeline Domain Design in Multimedia Frameworks: Concepts, Comparative Analysis, and Implementation

Youku Technology

Mar 30, 2022 · Operations

Ali266: Deployment of the H.266/VVC Codec on Youku – Architecture, Performance, and Business Impact

In January 2022 Youku became the first platform to deploy Alibaba’s Ali266 H.266/VVC codec, cutting bitrate by up to 40% and stall rates by 50% while delivering real‑time 720p/1080p encoding and 4K decoding on mobile devices, yielding significant bandwidth savings and power efficiency.

Ali266H.266Streaming

0 likes · 12 min read

Ali266: Deployment of the H.266/VVC Codec on Youku – Architecture, Performance, and Business Impact

Kuaishou Tech

Mar 1, 2022 · Artificial Intelligence

Quality Sound and Vision: Enhancing Video and Audio Experience with AI

The article details the development of '质臻影音' technology by Kuaishou's audio-visual team, which uses AI algorithms to restore classic films and enhance video quality through techniques like super-resolution, noise reduction, and adaptive processing strategies.

AI in video enhancementKuaishou technologySuper-Resolution

0 likes · 9 min read

Quality Sound and Vision: Enhancing Video and Audio Experience with AI

Kuaishou Tech

Dec 3, 2021 · Backend Development

Evolution of Kuaishou's Video Infrastructure: Architecture, Fine‑grained Operations, and Infrastructure Promotion

This talk outlines the evolution of Kuaishou's video infrastructure—from its early service‑oriented design through workflow‑engine and FaaS upgrades, to fine‑grained ROI‑driven resource management and infrastructure promotion, highlighting lessons shared with Netflix and Facebook and future functional‑declaration directions.

AI predictionbackend architecturecloud computing

0 likes · 16 min read

Evolution of Kuaishou's Video Infrastructure: Architecture, Fine‑grained Operations, and Infrastructure Promotion

Kuaishou Audio & Video Technology

Nov 25, 2021 · Backend Development

How Kuaishou Delivered Ultra‑HD Video for Jackie Chan’s Short‑Video Debut

Kuashou’s audio‑video team built a custom short‑video transcoding tier that combines AI‑driven enhancement, aggressive compression and a specialized delivery strategy to meet billions of viewers’ high‑quality expectations for Jackie Chan’s debut, showcasing rapid cross‑team collaboration and advanced video processing techniques.

Kuaishoubackend engineeringmedia processing

0 likes · 8 min read

How Kuaishou Delivered Ultra‑HD Video for Jackie Chan’s Short‑Video Debut

Top Architect

Apr 11, 2021 · Cloud Native

Netflix Cosmos: A Cloud‑Native Platform Combining Microservices, Workflows, and Serverless

Netflix’s Cosmos platform, introduced in 2021, unifies microservice principles with asynchronous workflows and serverless execution to handle resource‑intensive media processing, offering observability, modularity, productivity tools, and a managed delivery pipeline that scales from tens of thousands to millions of CPU cores.

cloud nativemedia processingmicroservices

0 likes · 16 min read

Netflix Cosmos: A Cloud‑Native Platform Combining Microservices, Workflows, and Serverless

360 Tech Engineering

Jan 25, 2021 · Mobile Development

Guide to Mobile Video Editing SDK Architecture, Concepts, and Performance Optimization

This article presents a comprehensive guide on mobile video editing, covering the historical background of montage, fundamental editing concepts, the component structure of a video editing SDK, detailed performance‑optimisation techniques, compatibility handling, and future directions such as AI‑driven and cloud‑assisted workflows.

SDKVideo Editingarchitecture

0 likes · 12 min read

Guide to Mobile Video Editing SDK Architecture, Concepts, and Performance Optimization

Tencent Cloud Developer

Apr 15, 2020 · Cloud Computing

Building Community Features with Tencent Cloud: COS, CI, MPS, and CDN Solutions

This guide shows how to build community and feed‑stream features on Tencent Cloud by combining COS for scalable media storage, CI for image processing and anti‑hotlinking, MPS for video transcoding and moderation, and CDN for fast global delivery, all configured via URL parameters.

COSCloud InfiniteContent Delivery

0 likes · 13 min read

Building Community Features with Tencent Cloud: COS, CI, MPS, and CDN Solutions

Tencent Cloud Developer

Jul 12, 2019 · Artificial Intelligence

AI-Powered Video Intelligence: Architecture, Optimization, and Application Scenarios

Tencent Cloud experts showcased their AI‑powered video intelligence platform Zhimo, detailing its four‑layer architecture, scene‑aware retrieval, context‑adjusted thresholds, voice‑activity detection, efficient frame filtering, and flexible public‑or private‑cloud deployment, while highlighting applications such as media asset search, content moderation, real‑time subtitles, and automated clip generation.

AI video analysisCloud AIcontent moderation

0 likes · 13 min read

AI-Powered Video Intelligence: Architecture, Optimization, and Application Scenarios

Youku Technology

Nov 5, 2018 · Artificial Intelligence

Intelligent Interactive Practices for Multimedia Live Streaming: Insights from Taobao Live

The talk outlines Taobao Live’s rapid growth and three‑layer interactive architecture—dynamic AI‑driven marketing tools, human‑computer interaction features such as facial and gesture recognition, and intelligent operations that score fan intimacy—to deliver low‑latency, AI‑enhanced streaming with innovations like virtual backgrounds, product recognition, and an automated live‑assistant.

Interactive AILive StreamingReal-time Communication

0 likes · 9 min read

Intelligent Interactive Practices for Multimedia Live Streaming: Insights from Taobao Live

360 Tech Engineering

Jul 9, 2018 · Fundamentals

Fundamentals of Audio and Video: Basics, Encoding, Processing, and Real‑Time Communication

This technical sharing session by a senior audio‑video engineer from 360 Video Cloud explains core concepts of video and audio, their encoding pipelines, media processing techniques, streaming protocols, and the challenges and key technologies behind real‑time communication (RTC).

AudioRTCStreaming

0 likes · 8 min read

Fundamentals of Audio and Video: Basics, Encoding, Processing, and Real‑Time Communication

Architects' Tech Alliance

Aug 10, 2017 · Cloud Computing

Overview of Alibaba Cloud CDN Live Streaming Architecture and Key Technologies

This article explains the fundamentals of video streaming, media transcoding, and CDN technologies, then details Alibaba Cloud's live streaming architecture—including capture, preprocessing, encoding, push‑stream, transcoding, distribution, and client playback—along with business functions, monitoring, and typical application scenarios.

Alibaba CloudLive Streamingcdn

0 likes · 13 min read

Overview of Alibaba Cloud CDN Live Streaming Architecture and Key Technologies