Speex 1.2.1 release

- Check for _WIN32 instead of WIN32 in preprocessor checks
- wav_io: check for EOF when seeking in wav (fixes hang discovered by fuzzing, see #9)
- CI: add gitlab CI integration
- fixed-point: make left shift macros use unsigned to avoid undefined behaviour
- math_approx: use unsigned int for LCG pseudorandom generator (avoids integer overflow)
- oss-fuzz: add integration and fuzzing target
- speexenc: guard against invalid channel numbers (see #13)
- speexdec: make left shift macros use unsigned to avoid undefined behaviour
- autotools: do not use deprecated macros

Speex 1.2.0 release.

configure: bump to 1.2rc2

properly implemented SPEEX_PREPROCESS_GET_ECHO_STATE

SPEEX_PREPROCESS_SET_AGC_LEVEL is now back to its original semantic a…

…s this

would have caused too much problems. The int version is now called
SPEEX_PREPROCESS_SET_AGC_TARGET.


git-svn-id: http://svn.xiph.org/trunk/speex@14702 0101bb08-14d6-0310-b084-bc0e0c8e3800

Thorvald Natvig: The attached patch fixes an inconsistancy in my earl…

…ier patch.

Whereas the rest of the AGC ctls are in dB, GET_AGC_GAIN was linear. This patch
fixes that.  It also changes the API for _GET and _SET_AGC_LEVEL to use an
int32 instead of a float, meaning we don't need to do a API change when we get
a fixed point AGC.


git-svn-id: http://svn.xiph.org/trunk/speex@14611 0101bb08-14d6-0310-b084-bc0e0c8e3800

MinGW support by mikael Magnusson and last updates for 1.2beta3.

git-svn-id: http://svn.xiph.org/trunk/speex@14283 0101bb08-14d6-0310-b084-bc0e0c8e3800

Version 1.2beta2

minor tweak to prototype and removed unused variable

git-svn-id: http://svn.xiph.org/trunk/speex@12975 0101bb08-14d6-0310-b084-bc0e0c8e3800

version string with no dash

git-svn-id: http://svn.xiph.org/trunk/speex@11826 0101bb08-14d6-0310-b084-bc0e0c8e3800