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Description:
============

WEBP decoder: libwebpdecode.so is a simple library for
decoding WEBP image files.

See http://code.google.com/speed/webp


It is released under the same license as the WebM project.
See http://www.webmproject.org/license/software/ or the
file "COPYING" file for details. An additional intellectual
property rights grant can be found in the file PATENTS.


API:
====

This is mainly just one function to call, so just have a look at
the file src/webp/decode.h for the details and variants:

#include "webp/decode.h"
uint8_t* WebPDecodeRGB(const uint8_t* data, uint32_t data_size,
                       int *width, int *height);

A lower-level API is available from the header file <webp/decode_vp8.h>


Building:
=========

If everything goes right, then:

./configure
make
make install

should be all you need to have the following files

/usr/local/include/webp/decode.h
/usr/local/include/webp/decode_vp8.h
/usr/local/lib/libwebpdecode.*

installed.


Decoding example:
=================

there's a decoding example in example/dwebp.c which will take a .webp file and
decode it to a PPM image file. This is simply to demonstrate use of the API.
You can verify the file test.webp decodes to exactly the same as test_ref.ppm:
  `cd examples && ./dwebp test.webp -o test.ppm && diff test.ppm test_ref.ppm`

Bugs:
=====

Please report all bugs to our issue tracker:
    http://code.google.com/p/webp/issues
Patches welcome! See this page to get started:
    http://www.webmproject.org/code/contribute/submitting-patches/

Discuss:
========

Email: webp-discuss@webmproject.org

URL: http://review.webmproject.org/gitweb?p=libwebp.git
Version: 43/1443/1
License: Google BSD like

Local modifications:
- Rewrite Android.mk to remove duplicate definitions and set module name
  in a consistent way with other external libraries
- Move public headers from src/webp to include/webp, so path to headers
  may be appended into CFLAGS without risk for other private headers
  (e.g. bits.h) to leak into
- Sync-patch with libwebp ver 0.1.2
- Removed Build files necessary for building via autoconf/automake tools
  These files are not required to build via Android.mk
  - Makefile.am  Makefile.vc Makefile.in
  - config.h.in configure config.guess config.sub configure.ac
  - autogen.sh install-sh missing depcomp ltmain.sh aclocal.m4
- Added WebP Encoder (ver 0.1.2) as well
  - Removed some more unused Makefile.am & Makefile.in
  - Added Android.mk to encoder & decoder code levels.
- Synced the WebP Code (Encoder/Decoder) with the head change#Ia53f845b
  - Added three color-spaces viz ARGB_8888, RGBA_4444, RGB_565
    supported by Android.
- Fixed the Endian'ness bug for Color-Configs (RGB_565 & ARGB_4444).
  The fix is similar to jpeglib handling for JCS_RGB_565 & JCS_RGBA_8888
  color configs. Added the code under "ANDROID_WEBP_RGB" flag.

The Android.mk file creates WebP Decoder and Encoder static libraries which
can be added to any application by Adding to LOCAL_STATIC_LIBRARIES
libwebp-decode libwebp-encode:

  LOCAL_STATIC_LIBRARIES += libwebp-decode libwebp-encode