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Youku Technology

Oct 27, 2022 · Mobile Development

GaiaX Open Source Interpretation | Cross-Platform Technology Based on Youku Business Characteristics

GaiaX is a cross‑platform template engine created for Alibaba’s Youku ecosystem that tackles multi‑terminal UI development bottlenecks by using a custom DSL with native rendering, offering high performance, dynamic updates, reusable components, containerized solutions, and integrated preview and design‑to‑code tools.

AlibabaDynamic TemplatingGaiaX

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GaiaX Open Source Interpretation | Cross-Platform Technology Based on Youku Business Characteristics

Youku Technology

Aug 10, 2022 · Artificial Intelligence

Youku Moku Lab's QoEVMA Workshop at ACM MM 2022: Advancing Quality of Experience in Visual Multimedia Applications

At ACM MM 2022, Youku Moku Lab chaired the pioneering QoEVMA workshop, receiving 14 international submissions and accepting eight papers that advanced Quality of Experience assessment for diverse visual multimedia formats, while showcasing the lab’s free‑viewpoint video technology deployed in major events such as the 2022 Beijing Winter Olympics.

ACM MMFree Viewpoint VideoKPI

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Youku Moku Lab's QoEVMA Workshop at ACM MM 2022: Advancing Quality of Experience in Visual Multimedia Applications

Youku Technology

Apr 21, 2022 · Mobile Development

GaiaX: Youku Cross-Platform Dynamic Template Engine Technical Solution

GaiaX, Youku’s cross‑platform dynamic template engine launched in 2019, uses a Rust‑based StretchKit layout core, JSON‑defined components and CSS‑flexbox to replace JS‑bridge solutions like Weex, delivering native‑level performance, cutting component development time by up to 50 % and boosting R&D efficiency by roughly 30 % across 15+ teams.

FlexboxGaiaXRust

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GaiaX: Youku Cross-Platform Dynamic Template Engine Technical Solution

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

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

Youku Technology

Nov 29, 2021 · Frontend Development

Free Viewpoint Video Technology Optimization at Youku

Youku’s free‑viewpoint video upgrade introduced a four‑layer client architecture and four key optimizations—pre‑caching, smart‑segment bitrate adaptation, dynamic kernel buffers, and multi‑channel downloading—doubling playback volume, improving smoothness by roughly 70%, and expanding device coverage from 50% to 80% while paving the way for future live‑stream innovations.

Free ViewpointOptimizationSDK

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Free Viewpoint Video Technology Optimization at Youku

Youku Technology

Nov 2, 2021 · Game Development

Building a High-Performance, High-Reusability, High-Reliability Audio Rendering Engine: Youku's Practice

Youku’s commercial‑grade audio rendering engine achieves high performance, reusability, and reliability by modularizing audio interfaces, post‑processing, output, caching, and focus management across multiple OSes, employing chain‑style pipelines, reactive filters, double‑linked buffer caching, latency monitoring, exception detection, and spatial‑audio filters for 5.1 surround sound.

C++ audio processingCross-Platform DevelopmentPipeline Architecture

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Building a High-Performance, High-Reusability, High-Reliability Audio Rendering Engine: Youku's Practice

Youku Technology

May 21, 2021 · Mobile Development

Youku's Accessibility Development: Enhancing User Experience for Visually Impaired Users

Youku is enhancing its mobile app for visually impaired and elderly users by standardizing screen‑reader support, keeping playback controls visible, dynamically showcasing accessible videos, adding audio‑descriptions, and launching an elder‑friendly version, while partnering with research groups and content providers to ensure continuous, high‑quality accessibility improvements.

Audio DescriptionElderly-Friendly DesignVisual Impairment

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Youku's Accessibility Development: Enhancing User Experience for Visually Impaired Users

Youku Technology

Dec 3, 2020 · Mobile Development

Youku Launches Accessibility Theater for Visually Impaired Users

On International Day of Persons with Disabilities, Youku partnered with the China Braille Library to launch an Accessibility Theater, adding screen‑reader support, voice navigation and a color‑blindness mode to its app, and pledging 100 accessible films within three years, making it China’s first video platform offering comprehensive services for visually impaired users.

Youkuaccessibilityaccessible video

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Youku Launches Accessibility Theater for Visually Impaired Users

DataFunTalk

Nov 23, 2020 · Big Data

Choosing OLAP Solutions for Large-Scale Data at Youku

The article examines the challenges big data brings to traditional technologies and surveys major OLAP solutions—MPP, batch processing, and pre‑computation—including Greenplum, Druid, Kylin, and Hadoop‑based engines, then outlines Youku’s specific use‑case selections for real‑time APIs, BI reporting, and ad‑hoc analysis.

Big DataData EngineeringMPP

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Choosing OLAP Solutions for Large-Scale Data at Youku

DataFunSummit

Nov 12, 2020 · Big Data

OLAP Engine Selection and Challenges in Large-Scale Data at Youku

This article explores the challenges big data brings to traditional data technologies and reviews various OLAP solutions—including MPP, batch processing, pre‑computation, and Hadoop‑based engines—while detailing Youku’s specific business scenarios and how different OLAP engines are selected to meet performance, scalability, and real‑time analysis requirements.

Big DataData WarehouseMPP

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OLAP Engine Selection and Challenges in Large-Scale Data at Youku

Youku Technology

Oct 10, 2020 · Mobile Development

Alibaba Youku Responsive Design Technology: Android and iOS Implementation Practices

Alibaba’s Youku team outlines a responsive design framework that uses a single codebase and dedicated SDKs to dynamically adapt Android and iOS app layouts across diverse screen sizes, detailing architecture, data handling, loading processes, and implementation strategies that reduce development effort and maintenance costs for multi‑device deployments.

AlibabaAndroidArchitecture Design

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Alibaba Youku Responsive Design Technology: Android and iOS Implementation Practices

Youku Technology

Aug 10, 2020 · Mobile Development

Youku Player Architecture Redesign Based on Pipeline Pattern

Youku’s player was rebuilt with a pipeline‑pattern architecture that unifies playback stages into a modular framework, enabling plug‑in customization, multi‑source support, reduced memory and startup overhead, clearer structure, and improved stability and extensibility for future business innovations.

AndroidArchitecture DesignCache Pipeline

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Youku Player Architecture Redesign Based on Pipeline Pattern

Youku Technology

Aug 4, 2020 · Backend Development

Technical Support for Youku Member Viewing Privileges - Behind the Scenes

During this session we examine Youku’s behind‑the‑scenes technical infrastructure that powers member‑only viewing privileges, detailing the challenges of delivering seamless premium video streams to paid subscribers and the integrated systems and solutions that ensure high‑quality, uninterrupted playback in today’s fast‑evolving internet landscape.

Video StreamingYoukubackend architecture

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Technical Support for Youku Member Viewing Privileges - Behind the Scenes

Youku Technology

Feb 3, 2020 · Artificial Intelligence

Alibaba Entertainment Video Search Algorithms: Practice and Insights

In this talk, senior algorithm expert Ruo Ren outlines Alibaba Entertainment’s video‑search framework—covering basic relevance, ranking, and multimodal techniques that blend information retrieval, NLP, machine learning, and computer vision—using Youku as a case study to illustrate business needs, algorithmic challenges, and practical implementation solutions.

AI algorithmsAlibaba EntertainmentYouku

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Alibaba Entertainment Video Search Algorithms: Practice and Insights

Youku Technology

Aug 15, 2019 · Big Data

Youku's Migration from Hadoop to Alibaba Cloud MaxCompute: Benefits and Technical Insights

Youku’s 2017 migration from an on‑premises Hadoop cluster to Alibaba Cloud MaxCompute delivered a unified, elastic data pipeline that cut compute and storage costs by roughly half, handled billions of daily log records, boosted performance and scalability, and empowered analysts with self‑service tools and a rich ecosystem.

Cost OptimizationMaxComputeYouku

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Youku's Migration from Hadoop to Alibaba Cloud MaxCompute: Benefits and Technical Insights

Youku Technology

May 29, 2019 · Artificial Intelligence

Youku Video Enhancement and Super-Resolution Competition Announcement

The Youku Video Enhancement and Super‑Resolution Challenge invites teams to develop models that restore low‑resolution, noisy video to high‑definition quality using a 10,000‑pair industry dataset, offering up to RMB 100,000 in prizes and a recruitment pathway, with registration open through June 16 and competition phases spanning May to September.

AI competitionYoukucomputer vision

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Youku Video Enhancement and Super-Resolution Competition Announcement

Youku Technology

May 20, 2019 · Artificial Intelligence

Youku Video Enhancement and Super‑Resolution Competition Overview

The Youku Video Enhancement and Super‑Resolution Competition challenges teams of up to five to develop 4× upscaling models that also remove noise and compression artifacts, using a 10,000‑pair dataset, with prizes up to ¥100,000 and recruitment opportunities, running from May to September 2019.

AI competitionYoukucomputer vision

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Youku Video Enhancement and Super‑Resolution Competition Overview

Youku Technology

Dec 20, 2018 · Operations

Youku IPv6 Migration: Planning, Implementation, and Lessons Learned

Youku’s pioneering IPv6 migration, launched in early 2018 and completed by Double 11, progressed through external, dual‑stack internal, and IPv6‑only phases, tackled test‑environment, MTU, and library issues, employed sophisticated gray‑release and monitoring, and ultimately unlocked unlimited address space, enhanced security, and faster, scalable video delivery.

IPv6Network MigrationYouku

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Youku IPv6 Migration: Planning, Implementation, and Lessons Learned

Alibaba Cloud Infrastructure

Jun 8, 2017 · R&D Management

Optimizing Demand Analysis Process for Youku Mobile App: An Agile Coaching Case Study

Through agile coaching, this case study details how the demand analysis workflow for Youku’s mobile app was redesigned, standardized in Alibaba’s RDC platform, and evaluated, resulting in clearer product planning, decentralized reviews, data‑driven management, and measurable improvements in efficiency, quality, and cross‑team collaboration.

AgileAlibabaProduct Planning

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Optimizing Demand Analysis Process for Youku Mobile App: An Agile Coaching Case Study

Architecture Digest

Feb 26, 2017 · Backend Development

Youku Architecture Overview: Front‑End Framework, Database Design, and Caching Strategies

The article examines Youku's large‑scale video platform architecture, detailing its traffic statistics, hardware setup, custom front‑end CMS, evolution of MySQL replication to vertical partitioning and sharding, caching policies, and CDN usage that together enable high‑performance video delivery.

Web ArchitectureYoukubackend

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Youku Architecture Overview: Front‑End Framework, Database Design, and Caching Strategies