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Description:WebP image datatype V45.2
Developer/Porter:Oliver Roberts
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.


- 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.


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.

Upload Date:Jan 13 2024
Size:285 KB
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