1 # KOBJ
2 #
3 # Copyright (c) 2000 Cameron Grant <cg@freebsd.org>
4 # All rights reserved.
5 #
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
8 # are met:
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
14 #
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 # SUCH DAMAGE.
26 #
27 # $FreeBSD: releng/5.2/sys/dev/sound/pcm/feeder_if.m 95840 2002-05-01 03:07:40Z obrien $
28 #
29
30 #include <dev/sound/pcm/sound.h>
31
32 INTERFACE feeder;
33
34 CODE {
35
36 static int
37 feeder_noinit(struct pcm_feeder* feeder)
38 {
39 return 0;
40 }
41
42 static int
43 feeder_nofree(struct pcm_feeder* feeder)
44 {
45 return 0;
46 }
47
48 static int
49 feeder_noset(struct pcm_feeder* feeder, int what, int value)
50 {
51 return -1;
52 }
53
54 static int
55 feeder_noget(struct pcm_feeder* feeder, int what)
56 {
57 return -1;
58 }
59
60 };
61
62 METHOD int init {
63 struct pcm_feeder* feeder;
64 } DEFAULT feeder_noinit;
65
66 METHOD int free {
67 struct pcm_feeder* feeder;
68 } DEFAULT feeder_nofree;
69
70 METHOD int set {
71 struct pcm_feeder* feeder;
72 int what;
73 int value;
74 } DEFAULT feeder_noset;
75
76 METHOD int get {
77 struct pcm_feeder* feeder;
78 int what;
79 } DEFAULT feeder_noget;
80
81 METHOD int feed {
82 struct pcm_feeder* feeder;
83 struct pcm_channel* c;
84 u_int8_t* buffer;
85 u_int32_t count;
86 void* source;
87 };
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