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