| Readme: | Short: WebP image datatype V45.5
Author: oliver@futaura.co.uk (Oliver Roberts)
Uploader: oliver futaura co uk (Oliver Roberts)
Type: util/dtype
Version: 45.5
Requires: picture.datatype v43+
Architecture: m68k-amigaos >= 3.0.0; ppc-amigaos; ppc-warpup; ppc-morphos
Changes since previous Aminet release:
- Updated with libwebp 1.3.2.
- Decoding of lossless images on 68k is now 30% faster.
- Various minor optimisations.
- Removed some redundant code.
FEATURES
- Handles both lossless WebP and lossy WebP images
- Different modes for handling alpha channels / transparency
- Highly optimized datatype dispatch engine and WebP decoder,
resulting in a very efficient, compact and quick WebP datatype
- Asynchronous file i/o and double buffering techniques (WarpOS only),
which speeds up image decoding
- Optimized versions for 68020, 030, 040 and 060
- PowerPC support with native OS4, WarpOS and MorphOS versions
- Alter the pen allocation precision when images are remapped to an
8-bit display
- Specific support for the AmigaOS picture.datatype v44+, when available
- The dithering feature of the AmigaOS picture.datatype v44+ can be
configured to your liking (e.g. disabled for 15/16-bit displays)
- Based on libwebp 1.3.2.
REQUIREMENTS
WarpWebP utilizes and requires the following:
68k version
- Kickstart 3.0 or higher
- 68020 processor or higher (optimized versions included)
- picture.datatype v43 or higher
(supplied with AmigaOS 3.1.4, 3.5, 3.2, 3.9, CyberGraphX, P96 or AfA OS)
WarpOS version
- Kickstart 3.0 or higher
- PPC accelerator card + 68040/060
- WarpUp Release 5.0 or higher
- picture.datatype v43 or higher
(supplied with AmigaOS 3.1.4, 3.2, 3.5, 3.9, CyberGraphX, P96 or AfA OS)
OS4 version
- PPC accelerator card / AmigaOne / SAM
- AmigaOS 4.0 or higher
MorphOS version
- PPC accelerator card / Pegasos / Efika
- MorphOS 1.4 or higher
Note that a graphics card is not necessary.
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WarpWebPdt_45.5.lha