1/* $NetBSD$ */
2
3/*-
4 * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
5 * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _SYS_DEV_PAD_PADVOL_H
30#define _SYS_DEV_PAD_PADVOL_H
31
32stream_filter_t *	pad_vol_slinear16_le(struct audio_softc *,
33			    const audio_params_t *, const audio_params_t *);
34stream_filter_t *	pad_vol_slinear16_be(struct audio_softc *,
35			    const audio_params_t *, const audio_params_t *);
36
37#define PAD_DEFINE_FILTER(name)						\
38	static int							\
39	name##_fetch_to(struct audio_softc *, stream_fetcher_t *, 	\
40			audio_stream_t *, int);				\
41	stream_filter_t * name(struct audio_softc *,			\
42	    const audio_params_t *, const audio_params_t *);		\
43	stream_filter_t *						\
44	name(struct audio_softc *asc, const audio_params_t *from,	\
45	    const audio_params_t *to)					\
46	{								\
47		return pad_filter_factory(asc, name##_fetch_to);	\
48	}								\
49	static int							\
50	name##_fetch_to(struct audio_softc *asc, stream_fetcher_t *self, \
51			audio_stream_t *dst, int max_used)
52
53#endif /* !_SYS_DEV_PAD_PADVOL_H */
54