mirror of
https://github.com/signalwire/freeswitch.git
synced 2025-02-14 14:09:13 +00:00
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
|
/*
|
||
|
|
* This source code is a product of Sun Microsystems, Inc. and is provided
|
||
|
|
* for unrestricted use. Users may copy or modify this source code without
|
||
|
|
* charge.
|
||
|
|
*
|
||
|
|
* SUN SOURCE CODE IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING
|
||
|
|
* THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
||
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
||
|
|
*
|
||
|
|
* Sun source code is provided with no support and without any obligation on
|
||
|
|
* the part of Sun Microsystems, Inc. to assist in its use, correction,
|
||
|
|
* modification or enhancement.
|
||
|
|
*
|
||
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
||
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THIS SOFTWARE
|
||
|
|
* OR ANY PART THEREOF.
|
||
|
|
*
|
||
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
||
|
|
* or profits or other special, indirect and consequential damages, even if
|
||
|
|
* Sun has been advised of the possibility of such damages.
|
||
|
|
*
|
||
|
|
* Sun Microsystems, Inc.
|
||
|
|
* 2550 Garcia Avenue
|
||
|
|
* Mountain View, California 94043
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* December 30, 1994:
|
||
|
|
* Functions linear2alaw, linear2ulaw have been updated to correctly
|
||
|
|
* convert unquantized 16 bit values.
|
||
|
|
* Tables for direct u- to A-law and A- to u-law conversions have been
|
||
|
|
* corrected.
|
||
|
|
* Borge Lindberg, Center for PersonKommunikation, Aalborg University.
|
||
|
|
* bli@cpk.auc.dk
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* Downloaded from comp.speech site in Cambridge.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _G711_H_
|
||
|
|
#define _G711_H_
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
unsigned char linear2alaw(short pcm_val);
|
||
|
|
short alaw2linear(unsigned char a_val);
|
||
|
|
unsigned char linear2ulaw(short pcm_val);
|
||
|
|
short ulaw2linear(unsigned char u_val);
|
||
|
|
unsigned char alaw2ulaw(unsigned char aval);
|
||
|
|
unsigned char ulaw2alaw(unsigned char uval);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _G711_H_ */
|