HD Photo Device Porting Kit (also known as Windows Media Photo)

Development tools for implementing the HD Photo still image codec
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HD Photo Device Porting Kit (also known as Windows Media Photo) Ranking & Summary

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  • Rating:
  • License:
  • Freeware
  • Publisher Name:
  • Microsoft
  • Operating Systems:
  • Windows XP / Vista
  • File Size:
  • 1.3 MB

HD Photo Device Porting Kit (also known as Windows Media Photo) Tags


HD Photo Device Porting Kit (also known as Windows Media Photo) Description

The HD Photo Device Porting Kit (also known as Windows Media Photo) package provides the development tools for implementing the HD Photo still image codec on non-Windows platforms and devices. HD Photo is a new file format for continuous-tone still images that surpasses the limitations of existing image formats. HD Photo supports a wide range of features including: - Multiple color formats for display or print - Fixed or floating point high dynamic range image encoding - Lossless or high quality lossy compression - Extremely efficient decoding for multiple resolutions and sub-regions - Minimal overhead for format conversion or transformations during decode HD Photo is the new name for Windows Media Photo. Both names refer to the exact same file format. The Windows Media Photo name is still used to describe the implementation of HD Photo in Microsoft Windows products. HD Photo is used in XML Paper Specification (XPS) to delivers a lightweight, high performance algorithm with a small memory footprint that enables practical, in-device encoding and decoding. It delivers compression quality comparable with JPEG-2000 and more than twice the quality of JPEG. Most technologies in the JPEG XR Standard are based on the HD Photo file format. The JPEG XR Standard is also known as the ISO/IEC Standard 29199-2 and as the ITU-T Recommendation T.832. This device porting kit supports the still image format previously released under the name Windows Media Photo. Throughout the development of the HD Photo still image file format, the project was first known (internal to Microsoft) by its code name “Photon”. Throughout it’s Beta release, and when publicly introduced at WinHEC 2006, the file format was named “Windows Media™ Photo.” With the introduction of the released version of the Device Porting Kit, the format name has been officially changed to "HD Photo.” “Windows Media™ Photo” is still used as the name for the Windows implementation of the “HD Photo” format, in both Windows Vista and the Windows Image Component (WIC) and .NET Frameworks 3.0 redistributable packages for down-level versions of Windows. “Windows Media Photo” may still be used internally with this release of the Device Porting Kit. Windows Media Photo and HD Photo refer to exactly the same file format. There are no features or changes that differentiate one from the other. They are two names for the same format. We have extended the specification to allow two different file extensions – either .wdp or .hdp – to be used to identify an HD Photo (or Windows Media Photo) file. With the 1.0 release of Windows Vista, only the .wdp extension is recognized. This will be updated at some point in the future. Applications that support the HD Photo file format should recognize either extension, and ideally offer the option to create files with either extension. While we recognize the potential confusion and issues that this name change can create, we believe the new name, initiated in part based on feedback from our partners, provides a better identification for broad, cross-platform support for this new still image file format.


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