Say hello to a sound system update from FreeBSD. This includes the long
[dragonfly.git] / sys / dev / sound / pcm / feeder_if.m
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2# KOBJ
3#
4# Copyright (c) 2000 Cameron Grant <cg@freebsd.org>
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, 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#
558a398b
SS
28# $FreeBSD: src/sys/dev/sound/pcm/feeder_if.m,v 1.6 2005/01/06 01:43:21 imp Exp $
29# $DragonFly: src/sys/dev/sound/pcm/feeder_if.m,v 1.4 2007/01/04 21:47:03 corecode Exp $
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30#
31
32#include <dev/sound/pcm/sound.h>
33
34INTERFACE feeder;
35
36CODE {
37
38 static int
39 feeder_noinit(struct pcm_feeder* feeder)
40 {
41 return 0;
42 }
43
44 static int
45 feeder_nofree(struct pcm_feeder* feeder)
46 {
47 return 0;
48 }
49
50 static int
51 feeder_noset(struct pcm_feeder* feeder, int what, int value)
52 {
53 return -1;
54 }
55
56 static int
57 feeder_noget(struct pcm_feeder* feeder, int what)
58 {
59 return -1;
60 }
61
62};
63
64METHOD int init {
65 struct pcm_feeder* feeder;
66} DEFAULT feeder_noinit;
67
68METHOD int free {
69 struct pcm_feeder* feeder;
70} DEFAULT feeder_nofree;
71
72METHOD int set {
73 struct pcm_feeder* feeder;
74 int what;
75 int value;
76} DEFAULT feeder_noset;
77
78METHOD int get {
79 struct pcm_feeder* feeder;
80 int what;
81} DEFAULT feeder_noget;
82
83METHOD int feed {
84 struct pcm_feeder* feeder;
85 struct pcm_channel* c;
86 u_int8_t* buffer;
87 u_int32_t count;
88 void* source;
89};