117 lines
3.6 KiB
C
117 lines
3.6 KiB
C
/* $NetBSD: sun.c,v 1.3 2003/06/23 12:15:01 agc Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2002 Matthew R. Green
|
|
* 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.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
|
*/
|
|
|
|
/*
|
|
* XXX this is slightly icky in places...
|
|
*/
|
|
#include <sys/cdefs.h>
|
|
|
|
#ifndef lint
|
|
__RCSID("$NetBSD: sun.c,v 1.3 2003/06/23 12:15:01 agc Exp $");
|
|
#endif
|
|
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/audioio.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "libaudio.h"
|
|
|
|
/*
|
|
* SunOS/NeXT .au format helpers
|
|
*/
|
|
struct {
|
|
int file_encoding;
|
|
int encoding;
|
|
int precision;
|
|
} file2sw_encodings[] = {
|
|
{ AUDIO_FILE_ENCODING_MULAW_8, AUDIO_ENCODING_ULAW, 8 },
|
|
{ AUDIO_FILE_ENCODING_LINEAR_8, AUDIO_ENCODING_SLINEAR_BE, 8 },
|
|
{ AUDIO_FILE_ENCODING_LINEAR_16, AUDIO_ENCODING_SLINEAR_BE, 16 },
|
|
{ AUDIO_FILE_ENCODING_LINEAR_24, AUDIO_ENCODING_SLINEAR_BE, 24 },
|
|
{ AUDIO_FILE_ENCODING_LINEAR_32, AUDIO_ENCODING_SLINEAR_BE, 32 },
|
|
#if 0
|
|
/*
|
|
* we should make some of these available. the, eg ultrasparc, port
|
|
* can use the VIS instructions (if available) do do some of these
|
|
* mpeg ones.
|
|
*/
|
|
{ AUDIO_FILE_ENCODING_FLOAT, AUDIO_ENCODING_ULAW, 32 },
|
|
{ AUDIO_FILE_ENCODING_DOUBLE, AUDIO_ENCODING_ULAW, 64 },
|
|
{ AUDIO_FILE_ENCODING_ADPCM_G721, AUDIO_ENCODING_ULAW, 4 },
|
|
{ AUDIO_FILE_ENCODING_ADPCM_G722, AUDIO_ENCODING_ULAW, 0 },
|
|
{ AUDIO_FILE_ENCODING_ADPCM_G723_3, AUDIO_ENCODING_ULAW, 3 },
|
|
{ AUDIO_FILE_ENCODING_ADPCM_G723_5, AUDIO_ENCODING_ULAW, 5 },
|
|
#endif
|
|
{ AUDIO_FILE_ENCODING_ALAW_8, AUDIO_ENCODING_ALAW, 8 },
|
|
{ -1, -1 }
|
|
};
|
|
|
|
int
|
|
audio_sun_to_encoding(sun_encoding, encp, precp)
|
|
int sun_encoding;
|
|
int *encp;
|
|
int *precp;
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; file2sw_encodings[i].file_encoding != -1; i++)
|
|
if (file2sw_encodings[i].file_encoding == sun_encoding) {
|
|
*precp = file2sw_encodings[i].precision;
|
|
*encp = file2sw_encodings[i].encoding;
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
audio_encoding_to_sun(encoding, precision, sunep)
|
|
int encoding;
|
|
int precision;
|
|
int *sunep;
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; file2sw_encodings[i].file_encoding != -1; i++)
|
|
if (file2sw_encodings[i].encoding == encoding &&
|
|
file2sw_encodings[i].precision == precision) {
|
|
*sunep = file2sw_encodings[i].file_encoding;
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|