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      1 /*	$NetBSD: psgpam_enc.h,v 1.1 2022/06/10 21:42:23 tsutsui Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2018 Yosuke Sugahara. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _PSGPAM_ENC_H_
     29 #define _PSGPAM_ENC_H_
     30 
     31 #define XP_ATN_RELOAD	0x80808080
     32 #define XP_ATN_STAT	0x40404040
     33 #define XP_ATN_RESET	0x20202020
     34 
     35 struct psgpam_codecvar {
     36 	int expire;		/* min expire counter */
     37 	int expire_initial;	/* expire initial (as 10Hz) */
     38 	auint_t offset;		/* dynamic offset */
     39 
     40 	u_int sample_rate;
     41 };
     42 
     43 void psgpam_init_context(struct psgpam_codecvar *, u_int);
     44 
     45 void psgpam_aint_to_pam2a(audio_filter_arg_t *);
     46 void psgpam_aint_to_pam2b(audio_filter_arg_t *);
     47 void psgpam_aint_to_pam3a(audio_filter_arg_t *);
     48 void psgpam_aint_to_pam3b(audio_filter_arg_t *);
     49 void psgpam_aint_to_pcm1(audio_filter_arg_t *);
     50 void psgpam_aint_to_pcm2(audio_filter_arg_t *);
     51 void psgpam_aint_to_pcm3(audio_filter_arg_t *);
     52 
     53 void psgpam_aint_to_pam2a_d(audio_filter_arg_t *);
     54 void psgpam_aint_to_pam2b_d(audio_filter_arg_t *);
     55 void psgpam_aint_to_pam3a_d(audio_filter_arg_t *);
     56 void psgpam_aint_to_pam3b_d(audio_filter_arg_t *);
     57 void psgpam_aint_to_pcm1_d(audio_filter_arg_t *);
     58 void psgpam_aint_to_pcm2_d(audio_filter_arg_t *);
     59 void psgpam_aint_to_pcm3_d(audio_filter_arg_t *);
     60 
     61 #endif /* !_PSGPAM_ENC_H_ */
     62