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: src/sys/dev/sound/pcm/feeder_if.m,v 1.1.2.3 2002/04/22 15:49:36 cg Exp $ 28# $DragonFly: src/sys/dev/sound/pcm/feeder_if.m,v 1.3 2003/11/15 21:12:53 asmodai Exp $ 29# 30 31#include <dev/sound/pcm/sound.h> 32 33INTERFACE feeder; 34 35CODE { 36 37 static int 38 feeder_noinit(struct pcm_feeder* feeder) 39 { 40 return 0; 41 } 42 43 static int 44 feeder_nofree(struct pcm_feeder* feeder) 45 { 46 return 0; 47 } 48 49 static int 50 feeder_noset(struct pcm_feeder* feeder, int what, int value) 51 { 52 return -1; 53 } 54 55 static int 56 feeder_noget(struct pcm_feeder* feeder, int what) 57 { 58 return -1; 59 } 60 61}; 62 63METHOD int init { 64 struct pcm_feeder* feeder; 65} DEFAULT feeder_noinit; 66 67METHOD int free { 68 struct pcm_feeder* feeder; 69} DEFAULT feeder_nofree; 70 71METHOD int set { 72 struct pcm_feeder* feeder; 73 int what; 74 int value; 75} DEFAULT feeder_noset; 76 77METHOD int get { 78 struct pcm_feeder* feeder; 79 int what; 80} DEFAULT feeder_noget; 81 82METHOD int feed { 83 struct pcm_feeder* feeder; 84 struct pcm_channel* c; 85 u_int8_t* buffer; 86 u_int32_t count; 87 void* source; 88}; 89 90 91