Technical Specifications

##Hardware Specifications

• (Pi 2 only)CPU - 900MHz quad-core ARM Cortex-A7 CPU with VideoCore IV 3D graphics core
• (Pi 2 only)Memory - 1GB
• HDMI output with TV on/off and force HDMI source controls (optional RCA output available)
• Audio - Both on HDMI and 3.5mm Audio Jack
• Standard 5V USB power supply (min 0.75A, 2A recommended)
• Minimum 8GB Class 10 micro SD card(both Software and Content are stored here)
• Connectivity - Ethernet, Pi compatible USB Wifi adapter and USB tethering support
• IP Address - Default DHCP client, can be changed to Static Mode 

Refer to Raspberry Pi site for more details

##Supported Content Formats

• Video - MP4/H.264 video full HD(1080p) or 720p format (server converts other formats to MP4/H.264 format)
• Image - JPG/PNG/GIF, Images beyond zone resolution are made to fit maintaining aspect ratio
• HTML5 - upload single file with .html extension or full repository with .repo extension(index.html in root directory as the entry point)
• Google Calendar Support
• http Streams which are supported by livestreamer for pi
• rtsp Streams(for e.g. from IP camera)
• web links (with no flash content, heavy JavaScript sites may be sluggish due to CPU limitations)
• Ticker for messages and RSS feed

##Player Software

• OS - Built on top of standard Raspbian OS (configuration and few boot scripts modified during installation)
• Framework - node.js, server listening on port 8000
• Server real-time communications - Web-socket
• Display - webkit
• File Downloads - wget
• OS plus Software Size - Upto 3GB needed for OS
• Image size - 1.1GB Compressed
• Auto restart on crash, Software upgrade and License download from Server, Debug command console at server
• Previous Image fallback in case of Software upgrade failure
• File System Check and Repair on every boot
• Support for Boot time video play
• Network and Server configuration support with USB keyboard(F6 or Ctrl-n for setup, Ctrl-T for terminal)
• Software needs License file to run, otherwise a standard Ticker message is displayed
• Admin interface at :8000 (default credentials pi & pi)
• Storing and uploading of hourly log of player activity, TV on and connectivity
• Event reporting to server and detailed debug log stored locally
• Overscan adjustment for TV
• Landscape and Portrait mode along with 1080p or 720p support for both Browser and Video
• CPU id based Registration and Monitoring

Asset Management

• Create assets by uploading files from smartphone or Browser
• Create notices using provided HTML templates and images
• Rename or delete the asset files
• Auto sync from the server based on the playlist configuration
• Disk space indication 

####Playlist Management

• Default playlist for simple needs
• Simple drag and rearrange for play order
• Programmable duration for image/html files
• Select the assets needed for the playlist
• Auto indication of added and deleted assets in the playlist edit window
• Simple start and stop operations along with optional TV on/off feature
• Default playlist is played when there are no other playlists to play
• Playlists have start and end dates (optional they can have time of the day limits also)

####Reports

• Play Statistics 
• TV on/off/change channel log
• Log messages for the events (Sync, Last seen by the server)
• Upload details
• (Optional) Screenshots

####Server Software #####Group  and Playlist Management

• Create groups so that Players can be assigned to one of the groups
• Multiple Players are associated to a group
• Playlists are associated to a group
• Depending on the Playlist all the players in the group are synced with the new content        

Admin Panel

• Real-time status of TV, Player and content synchronisation
• Reports and Logs for playlists
• Central control of Player settings

Customisation of Server Software to suit Enterprise needs

• Server software is based on MEAN stack(node.js, mongodb, ExpressJS, AngularJS)
• Socket.io(Websocket) based two-way communication between server and players

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