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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/sis/@/dev/sound/pcm/intpcm.h |
/*-
* Copyright (c) 2008-2009 Ariff Abdullah <ariff@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/sound/pcm/intpcm.h 193640 2009-06-07 19:12:08Z ariff $
*/
#ifndef _SND_INTPCM_H_
#define _SND_INTPCM_H_
typedef intpcm_t intpcm_read_t(uint8_t *);
typedef void intpcm_write_t(uint8_t *, intpcm_t);
extern intpcm_read_t *feeder_format_read_op(uint32_t);
extern intpcm_write_t *feeder_format_write_op(uint32_t);
#define INTPCM_DECLARE_OP_WRITE(SIGN, BIT, ENDIAN, SHIFT) \
static __inline void \
intpcm_write_##SIGN##BIT##ENDIAN(uint8_t *dst, intpcm_t v) \
{ \
\
_PCM_WRITE_##SIGN##BIT##_##ENDIAN(dst, v >> SHIFT); \
}
#define INTPCM_DECLARE_OP_8(SIGN, ENDIAN) \
static __inline intpcm_t \
intpcm_read_##SIGN##8##ENDIAN(uint8_t *src) \
{ \
\
return (_PCM_READ_##SIGN##8##_##ENDIAN(src) << 24); \
} \
INTPCM_DECLARE_OP_WRITE(SIGN, 8, ENDIAN, 24)
#define INTPCM_DECLARE_OP_16(SIGN, ENDIAN) \
static __inline intpcm_t \
intpcm_read_##SIGN##16##ENDIAN(uint8_t *src) \
{ \
\
return (_PCM_READ_##SIGN##16##_##ENDIAN(src) << 16); \
} \
INTPCM_DECLARE_OP_WRITE(SIGN, 16, ENDIAN, 16)
#define INTPCM_DECLARE_OP_24(SIGN, ENDIAN) \
static __inline intpcm_t \
intpcm_read_##SIGN##24##ENDIAN(uint8_t *src) \
{ \
\
return (_PCM_READ_##SIGN##24##_##ENDIAN(src) << 8); \
} \
INTPCM_DECLARE_OP_WRITE(SIGN, 24, ENDIAN, 8)
#define INTPCM_DECLARE_OP_32(SIGN, ENDIAN) \
static __inline intpcm_t \
intpcm_read_##SIGN##32##ENDIAN(uint8_t *src) \
{ \
\
return (_PCM_READ_##SIGN##32##_##ENDIAN(src)); \
} \
\
static __inline void \
intpcm_write_##SIGN##32##ENDIAN(uint8_t *dst, intpcm_t v) \
{ \
\
_PCM_WRITE_##SIGN##32##_##ENDIAN(dst, v); \
}
#define INTPCM_DECLARE(t) \
\
G711_DECLARE_TABLE(t); \
\
static __inline intpcm_t \
intpcm_read_ulaw(uint8_t *src) \
{ \
\
return (_G711_TO_INTPCM((t).ulaw_to_u8, *src) << 24); \
} \
\
static __inline intpcm_t \
intpcm_read_alaw(uint8_t *src) \
{ \
\
return (_G711_TO_INTPCM((t).alaw_to_u8, *src) << 24); \
} \
\
static __inline void \
intpcm_write_ulaw(uint8_t *dst, intpcm_t v) \
{ \
\
*dst = _INTPCM_TO_G711((t).u8_to_ulaw, v >> 24); \
} \
\
static __inline void \
intpcm_write_alaw(uint8_t *dst, intpcm_t v) \
{ \
\
*dst = _INTPCM_TO_G711((t).u8_to_alaw, v >> 24); \
} \
\
INTPCM_DECLARE_OP_8(S, NE) \
INTPCM_DECLARE_OP_16(S, LE) \
INTPCM_DECLARE_OP_16(S, BE) \
INTPCM_DECLARE_OP_24(S, LE) \
INTPCM_DECLARE_OP_24(S, BE) \
INTPCM_DECLARE_OP_32(S, LE) \
INTPCM_DECLARE_OP_32(S, BE) \
INTPCM_DECLARE_OP_8(U, NE) \
INTPCM_DECLARE_OP_16(U, LE) \
INTPCM_DECLARE_OP_16(U, BE) \
INTPCM_DECLARE_OP_24(U, LE) \
INTPCM_DECLARE_OP_24(U, BE) \
INTPCM_DECLARE_OP_32(U, LE) \
INTPCM_DECLARE_OP_32(U, BE)
#endif /* !_SND_INTPCM_H_ */