You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
2.7 KiB
106 lines
2.7 KiB
15 years ago
|
/*
|
||
|
|
** Copyright (C) 2002,2003 Erik de Castro Lopo <erikd@mega-nerd.com>
|
||
|
|
**
|
||
|
|
** This program is free software; you can redistribute it and/or modify
|
||
|
|
** it under the terms of the GNU General Public License as published by
|
||
|
|
** the Free Software Foundation; either version 2 of the License, or
|
||
|
|
** (at your option) any later version.
|
||
|
|
**
|
||
|
|
** This program is distributed in the hope that it will be useful,
|
||
|
|
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
** GNU General Public License for more details.
|
||
|
|
**
|
||
|
|
** You should have received a copy of the GNU General Public License
|
||
|
|
** along with this program; if not, write to the Free Software
|
||
|
|
** Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef COMMON_H_INCLUDED
|
||
|
|
#define COMMON_H_INCLUDED
|
||
|
|
|
||
|
|
#ifdef HAVE_STDINT_H
|
||
|
|
#include <stdint.h>
|
||
|
|
#elif (SIZEOF_INT == 4)
|
||
|
|
typedef int int32_t ;
|
||
|
|
#elif (SIZEOF_LONG == 4)
|
||
|
|
typedef long int32_t ;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define SRC_MAX_RATIO 12
|
||
|
|
#define SRC_MIN_RATIO_DIFF (1e-20)
|
||
|
|
|
||
|
|
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
|
||
|
|
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
|
||
|
|
|
||
|
|
#define MAKE_MAGIC(a,b,c,d,e,f) ((a)+((b)<<4)+((c)<<8)+((d)<<12)+((e)<<16)+((f)<<20))
|
||
|
|
|
||
|
|
#include "samplerate.h"
|
||
|
|
|
||
|
|
enum
|
||
|
|
{ SRC_FALSE = 0,
|
||
|
|
SRC_TRUE = 1
|
||
|
|
} ;
|
||
|
|
|
||
|
|
enum
|
||
|
|
{ SRC_ERR_NO_ERROR = 0,
|
||
|
|
|
||
|
|
SRC_ERR_MALLOC_FAILED,
|
||
|
|
SRC_ERR_BAD_STATE,
|
||
|
|
SRC_ERR_BAD_DATA,
|
||
|
|
SRC_ERR_BAD_DATA_PTR,
|
||
|
|
SRC_ERR_NO_PRIVATE,
|
||
|
|
SRC_ERR_BAD_SRC_RATIO,
|
||
|
|
SRC_ERR_BAD_PROC_PTR,
|
||
|
|
SRC_ERR_SHIFT_BITS,
|
||
|
|
SRC_ERR_FILTER_LEN,
|
||
|
|
SRC_ERR_BAD_CONVERTER,
|
||
|
|
SRC_ERR_BAD_CHANNEL_COUNT,
|
||
|
|
SRC_ERR_SINC_BAD_BUFFER_LEN,
|
||
|
|
SRC_ERR_SIZE_INCOMPATIBILITY,
|
||
|
|
SRC_ERR_BAD_PRIV_PTR,
|
||
|
|
SRC_ERR_BAD_SINC_STATE,
|
||
|
|
SRC_ERR_DATA_OVERLAP,
|
||
|
|
|
||
|
|
/* This must be the last error number. */
|
||
|
|
SRC_ERR_MAX_ERROR
|
||
|
|
} ;
|
||
|
|
|
||
|
|
typedef struct SRC_PRIVATE_tag
|
||
|
|
{ double last_ratio, last_position ;
|
||
|
|
|
||
|
|
void *private_data ;
|
||
|
|
|
||
|
|
int (*process) (struct SRC_PRIVATE_tag *psrc, SRC_DATA *data) ;
|
||
|
|
void (*reset) (struct SRC_PRIVATE_tag *psrc) ;
|
||
|
|
|
||
|
|
int error ;
|
||
|
|
int channels ;
|
||
|
|
} SRC_PRIVATE ;
|
||
|
|
|
||
|
|
/* In src_sinc.c */
|
||
|
|
int sinc_process (SRC_PRIVATE *psrc, SRC_DATA *data) ;
|
||
|
|
|
||
|
|
const char* sinc_get_name (int src_enum) ;
|
||
|
|
const char* sinc_get_description (int src_enum) ;
|
||
|
|
|
||
|
|
int sinc_set_converter (SRC_PRIVATE *psrc, int src_enum) ;
|
||
|
|
|
||
|
|
/* In src_linear.c */
|
||
|
|
int linear_process (SRC_PRIVATE *psrc, SRC_DATA *data) ;
|
||
|
|
|
||
|
|
const char* linear_get_name (int src_enum) ;
|
||
|
|
const char* linear_get_description (int src_enum) ;
|
||
|
|
|
||
|
|
int linear_set_converter (SRC_PRIVATE *psrc, int src_enum) ;
|
||
|
|
|
||
|
|
/* In src_zoh.c */
|
||
|
|
int zoh_process (SRC_PRIVATE *psrc, SRC_DATA *data) ;
|
||
|
|
|
||
|
|
const char* zoh_get_name (int src_enum) ;
|
||
|
|
const char* zoh_get_description (int src_enum) ;
|
||
|
|
|
||
|
|
int zoh_set_converter (SRC_PRIVATE *psrc, int src_enum) ;
|
||
|
|
|
||
|
|
#endif /* COMMON_H_INCLUDED */
|