53 lines
2.3 KiB
C
53 lines
2.3 KiB
C
/* $NetBSD: padvol.h,v 1.2 2008/05/09 03:44:51 jmcneill Exp $ */
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/*-
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* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_DEV_PAD_PADVOL_H
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#define _SYS_DEV_PAD_PADVOL_H
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stream_filter_t * pad_vol_slinear16_le(struct audio_softc *,
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const audio_params_t *, const audio_params_t *);
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stream_filter_t * pad_vol_slinear16_be(struct audio_softc *,
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const audio_params_t *, const audio_params_t *);
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#define PAD_DEFINE_FILTER(name) \
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static int \
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name##_fetch_to(stream_fetcher_t *, audio_stream_t *, int); \
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stream_filter_t * name(struct audio_softc *, \
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const audio_params_t *, const audio_params_t *); \
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stream_filter_t * \
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name(struct audio_softc *sc, const audio_params_t *from, \
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const audio_params_t *to) \
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{ \
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return pad_filter_factory(sc, name##_fetch_to); \
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} \
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static int \
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name##_fetch_to(stream_fetcher_t *self, audio_stream_t *dst, \
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int max_used)
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#endif /* !_SYS_DEV_PAD_PADVOL_H */
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