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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2000-2001 by Sun Microsystems, Inc.
* All rights reserved.
*
* This header file defines the public interfaces for the default
* audio mixer sample rate converter.
*
* CAUTION: This header file has not gone through a formal review process.
* Thus its commitment level is very low and may change or be removed
* at any time.
*/
#ifndef _SYS_AM_SRC1_H
#define _SYS_AM_SRC1_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#define AM_SRC1_MOD_NAME "Audio Sample Rate Conv. #1"
#ifdef _KERNEL
/*
* am_ad_src1_info_t - mixer mode Audio Driver sample rate conversion #1 info
*/
struct am_ad_src1_info {
uint_t ad_from_sr; /* going from this sample rate */
uint_t ad_to_sr; /* to this sample rate */
uint_t ad_nconv; /* number of conversions */
uint_t ad_u0; /* up conversion parameter #1 */
uint_t ad_u1; /* up conversion parameter #2 */
uint_t ad_u2; /* up conversion parameter #3 */
uint_t ad_u3; /* up conversion parameter #4 */
uint_t ad_d0; /* conversion parameter #1 */
uint_t ad_d1; /* conversion parameter #2 */
uint_t ad_d2; /* conversion parameter #3 */
uint_t ad_d3; /* conversion parameter #4 */
uint_t ad_k; /* filter shift */
};
typedef struct am_ad_src1_info am_ad_src1_info_t;
#define AM_SRC1_FILTER 0x40000000 /* filter if ORed with ad_p?? */
extern am_ad_src_entry_t am_src1; /* sample rate conversion routine #1 */
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_AM_SRC1_H */
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