Gaia/Camera

The Camera app is part of the core set of apps of the Gaia interface. It offers users the ability to capture still images, video and simple access to the Photo Gallery.

Status

• Feature Name: Gaia Camera App
• Stage: Development
• Release Target: M3 Alpha

Use Cases

• Tom wants take a photo and selects the Camera app
• Tom can easily see a preview and when he's ready to take a photo, presses the shutter button to snap a photo
• All of Tom's photos are stored in the Photo Gallery
• Tom has the ability to digitally zoom in on his subjects by pinching
• After a photo is taken, Tom has the ability to apply certain filters
• Tom has the ability to turn the flash on (hardware dependent) for taking photos in the dark
• Tom has the ability to toggle between the rear and front cameras
• Tom wants to take a video instead of a photo and switches between the two modes by selecting the 'video mode'
  • In video mode, Tom is able to 'pinch-to-zoom' and then begins recording his video
  • Videos taken are saved in the Video app
• When taking a photo, Tom sees certain basic functionality:
  • Auto-focus
  • Auto-exposure
  • Time stamp
  • Face detection
  • Auto-enhance
  • Geo-tagging
  • Resolution

Requirements

Gaia v1

• User launches the Camera app and has the ability to see a preview of what the subject and can snap a photo
• Photos that are taken are saved to the Gallery in standard, default resolution (A X B resolution)
• Gallery access is available directly from the Camera app's primary screen
• User has the ability to apply 3 basic filters before taking a photo (filters, P2)
• User has the ability to turn the flash on/off directly from the Camera preview screen (HW dependent, P2)
• User has the ability to toggle between the front-facing and rear cameras (HW dependent, P2)
• User has the ability to toggle between mode: Video [or] Photo
• Videos that are taken are saved to the Video app for to be played/managed/deleted
• The Camera app has the ability to auto-focus on the subject
• Storage of photos will default to on-board flash memory (storage size TBD) and user will have the option to select the SD card slot as alternative storage
  • Settings will incorporate the option to manage the memory usage of apps and cached data
• Thumbnail creation of all photos taken for the Gallery
• Record Metadata/exif data for photos taken
• Encoding formats:
  • Video: H.264
  • Audio: AAC
• Default resolution (camera sensor hardware dependent)

Gaia v2

• User has the ability to digitally zoom into a subject in the Camera mode (pinch-to-zoom)
• User has the ability to zoom into a subject in Video mode and then begin filming
• The Camera app has the ability to auto-detect the amount of light and adjust the exposure sensitivity
• The Camera app has the ability to auto-enhance an image right after it's been taken
• The Camera app offers the option to geo-tag all photos taken based on the user's GPS location
• The Camera app offers facial recognition in the preview mode before taking a photo
• User has the option to select between multiple resolutions
  • Specific resolutions TBD

Development

Source code on Github