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Case Study

Wearable Camera (App)

Company needed to build complete software stack from embedded Linux to  mobile app to cloud to support a highly-functional wearable camera product



  • Custom solution to enhance the Limited video and image functionalityin chipset.
  • Scalability of USERs/Storage of video streams
  • Geographically distributed development team (Regression testing)


  • Google cloud services - managed VM, Google storage and video  streaming service
  • Implemented HLS for iOS app in a very compressed schedule
  • End to end stack development
  • World’s smallest live-streaming wearable camera. (1.5” X 1.5”)

1) Architecture for complete system including WiFi/BLE based    wearable  camera, Video Streaming Cloud platform, Social API platform and Mobile App Requirements Gathering & Analysis, Uses cases, Architecture development, identification of  functional components.
2) Firmware for wearable camera. Camera REST API implementation to cotrol the camera and retrieve captured media over WiFi and BLE libmicrohttpd, C , Buildroot,shell scripting
3) Mobile App design and development for interacting with camera  (both wearable and phone's inbuilt) and Social interaction via cloud-  both iOS & Android - native MVC architecture, notification handling using GCM(Google Cloud Messaging) for Android and  APN(Apple Push Notification) for iOS, BLE/WiFI interactions with wearable camera, API interface  with node.js Server, Google Cloud Storage and Wowza stream server.
IOS app developed in Swift using Xcode and native android app using Android studio.
Followed the recommended design patterns from Apple and Google
4) Cloud based server implementaion to enable social interaction,  media sharing and live streaming Express framework based node.js REST API server, Clustered Postgresql backend database, Google  Cloud Storage for Media storage and sharing, Wowza stream server for live streaming and wowza  java plugin for authentication and acces control, sms notifications using Twilio server, push  notifications via Google Cloud Messaging and Apple Push Notification Service, eMail using SMTP  server.
Google cloud platform for hosting the cloud server: Google Container Engine for auto scalable
deployment, Google Compute Engine and Google Cloud storage.
Integration of all sub-systems to create the social camera system  

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