Is it possible within the Multimedia API using the NvJpegEncoder (or related functions) to set the exif meta data for encoded JPEG images before writing them out to disk?
Hi ceres.imaging,
Let’s say I wanted to store latitude and longitude:
The Exif format has standard tags for location information. As of 2014[update], many cameras and mobile phones have a built-in GPS receiver that stores the location information in the Exif header when a picture is taken. Some other cameras have a separate GPS receiver that fits into the flash connector or hot shoe. Recorded GPS data can also be added to any digital photograph on a computer, either by correlating the time stamps of the photographs with a GPS record from a hand-held GPS receiver or...
Or I might want to save my camera settings:
Exif is supported by almost all camera manufacturers.
The metadata tags defined in the Exif standard cover a broad spectrum:
1.Camera settings: This includes static information such as the camera model and make, and information that varies with each image such as orientation (rotation), aperture, shutter speed, focal length, metering mode, and ISO speed information. |
2.Image metrics: Pixel dimensions, resolution, colorspace, and filesize |
3.Date and time information. Digital cameras will ...
Hi ceres.imaging,
Not sure but https://www.w3.org/2000/10/swap/pim/jhead/exif.c probably helps.