52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
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* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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void feeder_register(void *p);
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pcm_feeder *feeder_get(struct pcm_feederdesc *desc);
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pcm_feeder *feeder_getroot(void);
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int feeder_set(pcm_feeder *feeder, int what, int value);
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u_int32_t chn_fmtchain(pcm_channel *c, u_int32_t *to);
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int chn_addfeeder(pcm_channel *c, pcm_feeder *f);
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int chn_removefeeder(pcm_channel *c);
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pcm_feeder *chn_findfeeder(pcm_channel *c, u_int32_t type);
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#define FEEDER_DECLARE(feeder) SYSINIT(feeder, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, feeder_register, &feeder)
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#define FEEDER_ROOT 1
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#define FEEDER_FMT 2
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#define FEEDER_RATE 3
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#define FEEDER_FILTER 4
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#define FEEDER_VOLUME 5
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#define FEEDER_LAST FEEDER_VOLUME
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#define FEEDRATE_SRC 1
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#define FEEDRATE_DST 2
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