![]() As Adobe suggested the XMP standard, this implementation is a kind of standard.It is to be embedded to many kind of file formats such as PDF, JPEG, GIF, PNG, TIFF, PSD, MP3, MP4, and WAV. XMP(Extensible Metadata Platform) is a meta data format suggested by Adobe, and it became an ISO standard. Google use XMP in various ways for their services.It is clear that Google has media metadata access implementations for XMP, but they do not expose.Only for WebP, which is a image format owned by Google, APIs are supported. Google do not reveal metadata get/set API for images. According to my research, even getting/setting Depth map data and Panorama data need another library to make/parse XML data and set/get into jpeg file.Since this image format is made by Google, they support full api for handling WebP format including XMP metadata adding/changing/deleting. And it supports animated image that is smaller than gif. WebPĪfter purchasing On2, Google has another image format called WebP. They simply state that they are using Adobe XMP standard. It doesn’t say about how the data is stored to the image as a metadata. However, it says only the XML specifications for Panorama information. This link shows how the metadata looks like. In the XMP area of jpeg file, metadata is stored. In this service, jpeg image files are connected each other and overlapped. Photo Sphere service is 360 degrees panorama image service that can be work with Google maps. ![]() Google states XML specification and says it uses Adobe XMP format. This information and depth map image itself is stored in XMP area of JPEG or PNG file. The color of depthmap(right) says the z-axis of original image(left). Depth map dataĭepth map is used for converting from 2D image to 3D image. However, they do not expose metadata handling API. Google uses XMP metadata as an additional metadata for image handling in several services. Another online metadata viewer worked well with Java implementation, but it didn’t read XMP in gif written by Perl version.Online metadata viewer worked well with both Java and Perl implementation.This is weird because XnViewMP uses ExifTool. XnViewMP doesn’t show XMP in gif format. ![]()
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