# Third party libraries


## jpeg-compressor

- Upstream: https://github.com/richgel999/jpeg-compressor
- Version: 1.04
- License: Public domain

Files extracted from upstream source:

- jpgd.{c,h}


## libogg

- Upstream: https://www.xiph.org/ogg
- Version: 1.3.2
- License: BSD-3-Clause

Files extracted from upstream source:

- src/\*.c
- include/ogg/\*.h in ogg/
- COPYING


## libpng

- Upstream: http://libpng.org/pub/png/libpng.html
- Version: 1.6.23
- License: libpng/zlib

Files extracted from upstream source:

- all .c and .h files of the main directory, except from:
  * example.c
  * pngtest.c
- the arm/ folder
- scripts/pnglibconf.h.prebuilt as pnglibconf.h


## libvorbis

- Upstream: https://www.xiph.org/vorbis
- Version: 1.3.5
- License: BSD-3-Clause

Files extracted from upstream source:

- src/\* except from: lookups.pl, Makefile.\*
- include/vorbis/\*.h as vorbis/
- COPYING


## libwebp

- Upstream: https://chromium.googlesource.com/webm/libwebp/
- Version: 0.5.1
- License: BSD-3-Clause

Files extracted from the upstream source:

- src/\* except from: \*.am, \*.in, extras/, webp/extras.h
- AUTHORS, COPYING, PATENTS

Important: The files `utils/bit_reader.{c,h}` have Godot-made
changes to ensure they build for Javascript/HTML5. Those
changes are marked with `// -- GODOT --` comments.


## opus

- Upstream: https://opus-codec.org
- Version: 1.1.2 (opus) and 0.7 (opusfile)
- License: BSD-3-Clause

Files extracted from upstream source:

- all .c and .h files in src/ (both opus and opusfile),
  except opus_demo.c
- all .h files in include/ (both opus and opusfile)
- COPYING


## pvrtccompressor

- Upstream: https://bitbucket.org/jthlim/pvrtccompressor
- Version: hg commit cf71777 - 2015-01-08
- License: BSD-3-Clause

Files extracted from upstream source:

- all .cpp and .h files apart from main.cpp
- LICENSE.TXT


## rg-etc1

- Upstream: https://github.com/richgel999/rg-etc1
- Version: 1.04
- License: zlib

Files extracted from upstream source:

- all of them: rg_etc1.{cpp,h}


## speex

- Upstream: http://speex.org/
- Version: 1.2rc1?
- License: BSD-3-Clause