mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-02 09:01:46 -05:00
e205b25d65
* daemon/ - Contains the files specific to the polypaudio daemon. * modules/ - All loadable modules. * polyp/ - Files that are part of the public, application interface or are only used in libpolyp. * polypcore/ - All other shared files. * tests/ - Test programs. * utils/ - Utility programs. git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@487 fefdeb5f-60dc-0310-8127-8f9354f1896f
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
#ifndef foog711hfoo
|
|
#define foog711hfoo
|
|
|
|
/* g711.h - include for G711 u-law and a-law conversion routines
|
|
**
|
|
** Copyright (C) 2001 Chris Bagwell
|
|
**
|
|
** Permission to use, copy, modify, and distribute this software and its
|
|
** documentation for any purpose and without fee is hereby granted, provided
|
|
** that the above copyright notice appear in all copies and that both that
|
|
** copyright notice and this permission notice appear in supporting
|
|
** documentation. This software is provided "as is" without express or
|
|
** implied warranty.
|
|
*/
|
|
|
|
/** Copied from sox -- Lennart Poettring*/
|
|
|
|
#include <inttypes.h>
|
|
|
|
#ifdef FAST_ALAW_CONVERSION
|
|
extern uint8_t _st_13linear2alaw[0x2000];
|
|
extern int16_t _st_alaw2linear16[256];
|
|
#define st_13linear2alaw(sw) (_st_13linear2alaw[(sw + 0x1000)])
|
|
#define st_alaw2linear16(uc) (_st_alaw2linear16[uc])
|
|
#else
|
|
unsigned char st_13linear2alaw(int16_t pcm_val);
|
|
int16_t st_alaw2linear16(unsigned char);
|
|
#endif
|
|
|
|
#ifdef FAST_ULAW_CONVERSION
|
|
extern uint8_t _st_14linear2ulaw[0x4000];
|
|
extern int16_t _st_ulaw2linear16[256];
|
|
#define st_14linear2ulaw(sw) (_st_14linear2ulaw[(sw + 0x2000)])
|
|
#define st_ulaw2linear16(uc) (_st_ulaw2linear16[uc])
|
|
#else
|
|
unsigned char st_14linear2ulaw(int16_t pcm_val);
|
|
int16_t st_ulaw2linear16(unsigned char);
|
|
#endif
|
|
|
|
#endif
|