DESCRIPTION
GLYUVPlay... In video coding research, standalone implementation and testing of video codecs often involves the use of raw YUV streams. Since these streams can be parsed and generated by very simple means, raw YUV files are very common in video codec standardization and development.
This utility provides RAW YUV playback, comparison and conversion capabilities on MacOS X.
Since version 0.9, there is a raw export option available to save the input sequences in different RAW formats, resolutions and color depths. The algorithm for scaled output uses a high quality 16 tap windowed sinc filter (sinc windowed sinc aka Lanczos filter). Another change in v0.9 is the inclusion of multiple input formats, either 8 or 10 Bit in 4:2:0 and 4:2:2 subsampling.
Furthermore, RAW sequences can be converted (encoded) to any movie format supported by Quicktime (e.g. for use in presentations).
WHAT'S NEW
version 0.94:
- restored MacOS 10.3 compatibility
- new display options in fullscreen mode: text labels for file name, dimensions, PSNR, SSIM
- implemented Recent menu
- new display zoom options: 1:1 pixel accurate, fit, zoom (direct selection via shortcut keys "1","2","3")
- Fixed RAW export amplitude scaling when attempting 1:1 copy
Version 0.93:
- fixed rare endless loop in open dialog
- automatic resolution/color depth detection now supports segmented (multiple files) sequences
- slight performance improvement (Y,Cb,Cr masking entirely skipped when not in use)
- implemented SSIM (structural similarity), original method and video method
- added technical documentation
Version 0.91:
- fixed hang/crash in Open Dialog on PowerPC machines
- fixed split view divider refresh issues on MacOS 10.4
Version 0.9:
- support for multiple input formats in 8/10 Bit and YCbCr 4:2:0, 4:2:2
- support for SGI files (8/16 Bit RGB)
- loading of segmented YUV files (enumerated single files, automatic detection)
- RAW export in various formats/depths
- preferences dialog / automatically remembers the settings
- PSNR display for U, V, PSNR text boxes can be disabled via split view divider
- fullscreen on primary or secondary monitor
- Open dialog reworked
- multiple bug fixes
REQUIREMENTS
Mac OS X 10.3 or later.
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SCREENSHOT
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