1 /* $NetBSD: linear.h,v 1.2 2019/05/08 13:40:17 isaki Exp $ */ 2 3 /* 4 * Copyright (C) 2017 Tetsuya Isaki. All rights reserved. 5 * Copyright (C) 2017 Y.Sugahara (moveccr). All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_DEV_AUDIO_LINEAR_H_ 30 #define _SYS_DEV_AUDIO_LINEAR_H_ 31 32 #include <dev/audio/audio_if.h> 33 34 extern void audio_internal_to_linear8(audio_filter_arg_t *); 35 extern void audio_internal_to_linear16(audio_filter_arg_t *); 36 extern void audio_internal_to_linear24(audio_filter_arg_t *); 37 extern void audio_internal_to_linear32(audio_filter_arg_t *); 38 extern void audio_linear8_to_internal(audio_filter_arg_t *); 39 extern void audio_linear16_to_internal(audio_filter_arg_t *); 40 extern void audio_linear24_to_internal(audio_filter_arg_t *); 41 extern void audio_linear32_to_internal(audio_filter_arg_t *); 42 43 #endif /* !_SYS_DEV_AUDIO_LINEAR_H_ */ 44