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MapongaStudio: Media Content Management & FAST Channel
An end-to-end streaming infrastructure built for Maponga Studios — spanning a React Web App for asset and channel management, a sister Encoder App with SSO, a NestJS backend, and two AWS Lambda functions orchestrating MediaLive, MediaPackage, MediaTailor, and MediaConvert for one-click FAST channel deployment with SCTE-35 ad insertion.
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Technologies
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Key Features
Web
Platform
Key Features
One-click FAST channel deployment via MediaLive and MediaPackageSCTE-35 ad marker insertion for server-side ad insertion (SSAI)AWS MediaConvert multi-partner encoding (TCL, Vizio)Calendar-based channel scheduling with drag-and-dropPresigned S3 multipart uploads up to 11 GBHLS live streaming playback via HLS.jsDynamic $urlPath$ input switching for content rotationSSO between M-Studio and Encoder appRole-based access (Admin, User, Scheduler)Real-time analytics with ApexChartsMRSS feed generation for syndication
Development Highlights
FAST Channel Lambda with AWS MediaLive, MediaPackage, MediaTailorSCTE-35 server-side ad insertion (SSAI)AWS MediaConvert multi-partner encoding pipelinePresigned S3 multipart uploads up to 11 GBCalendar-based scheduling with drag-and-dropDynamic $urlPath$ input switchingSSO between operator apps
Technology Stack
React 18TypeScriptViteBootstrap 5FullCalendarApexChartsHLS.jsNestJS 11MongoDBRedisAWS LambdaAWS MediaLiveAWS MediaPackageAWS MediaTailorAWS MediaConvertAWS S3FFmpegSentry
Our Contribution
Full-Stack Platform
Developed the full-stack media management platform spanning React frontend, NestJS backend API, and two AWS Lambda functions.
FAST Channel Lambda
Built the FAST Channel Lambda orchestrating AWS MediaLive, MediaPackage, and MediaTailor for one-click live linear channel provisioning.
Channel Scheduling
Implemented calendar-based channel scheduling (FullCalendar) with drag-and-drop program slot management and ad marker configuration.
Ad Insertion
Created SCTE-35 splice insert marker injection enabling MediaTailor server-side ad insertion (SSAI) during live playback.
Video Encoding
Developed the Video Encoding Lambda triggering AWS MediaConvert on S3 upload, producing partner-specific outputs from configurable profiles.
Upload System
Built the presigned S3 multipart upload system supporting files up to 11 GB with three-phase upload, confirm, and finalize workflow.
Authentication & SSO
Implemented cookie-based JWT authentication with Argon2 hashing, SSO between M-Studio and the Encoder app, and role-based access control.
Asset Library
Created a comprehensive asset library with multi-step creation forms, CSV bulk import, HLS video playback, episode management, and thumbnail/caption management.
Dynamic Input Switching
Designed and integrated dynamic input switching using MediaLive's $urlPath$ feature for efficient content rotation without per-video inputs.
Analytics
Built real-time analytics dashboards with ApexCharts showing asset, channel, and video metrics alongside a financial and sales reporting layer.
Results
Channel Deployment: One-click FAST channel provisioningEncoding: Automated multi-partner video encodingUpload Capacity: Secure presigned uploads up to 11 GBPipeline: End-to-end content pipeline from upload to broadcast
What Makes This Special
Consolidates the entire content-to-broadcast pipeline into one operator-friendly interface, with one-click FAST channel deployment, automated multi-partner encoding, and server-side ad insertion — replacing fragmented AWS Console workflows.
Frequently Asked Questions
MicrocosmWorks built the FAST channel system using AWS Lambda functions that orchestrate MediaLive, MediaPackage, and MediaTailor for one-click live linear channel provisioning. Calendar-based scheduling with FullCalendar provides drag-and-drop program slot management, while SCTE-35 splice insert markers enable MediaTailor server-side ad insertion (SSAI) during live playback. Dynamic input switching using MediaLive's $urlPath$ feature handles content rotation without per-video inputs.
MicrocosmWorks developed an AWS Lambda function that triggers MediaConvert encoding jobs on S3 upload, producing partner-specific output profiles from configurable encoding templates. Each distribution partner like TCL or Vizio receives video in their required format, resolution, and bitrate specifications. The encoding pipeline handles batch processing and sends completion notifications, so operators only need to upload once for multi-partner distribution.
MicrocosmWorks built a three-phase upload workflow: presigned multipart S3 upload initiation, chunked upload with progress tracking, and server-side confirm-and-finalize that validates file integrity. Files up to 11 GB are uploaded directly from the browser to S3 using presigned URLs, bypassing the NestJS backend for transfer. This approach eliminates server bandwidth bottlenecks and supports resume-on-failure for large media files over unreliable connections.
Yes, MicrocosmWorks built MapongaStudio as a unified content management platform. The asset library manages on-demand video with multi-step creation forms, CSV bulk import, HLS playback preview, episode management, and thumbnail/caption management. FAST channel operations including scheduling, ad insertion, and live monitoring are accessible in the same interface, with SSO connecting the main M-Studio app and the sister Encoder App.
MicrocosmWorks built real-time analytics dashboards using ApexCharts showing asset performance, channel viewership, video engagement metrics, and a financial and sales reporting layer. The analytics cover both FAST channel metrics like viewer retention and ad fill rate, and asset library metrics like upload volume and encoding completion rates. MRSS feed generation enables content syndication tracking across distribution partners.
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