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usr.sbin/virtual_oss/virtual_oss/backend.h
- This file was added.
| /*- | |||||
| * Copyright (c) 2015 Hans Petter Selasky | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice, this list of conditions and the following disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| * SUCH DAMAGE. | |||||
| */ | |||||
| #ifndef _VIRTUAL_BACKEND_H_ | |||||
| #define _VIRTUAL_BACKEND_H_ | |||||
| struct voss_backend { | |||||
| int (*open)(struct voss_backend *, const char *, int, int, int *, int *); | |||||
| void (*close)(struct voss_backend *); | |||||
| int (*transfer)(struct voss_backend *, void *, int); | |||||
| void (*delay)(struct voss_backend *, int *); | |||||
| void *arg; | |||||
| int fd; | |||||
| int *has_sync; /* pointer to voss_has_synchronization */ | |||||
| }; | |||||
| /* Currently selected backends */ | |||||
| extern struct voss_backend *voss_rx_backend; | |||||
| extern struct voss_backend *voss_tx_backend; | |||||
| /* Available backends */ | |||||
| /* XXX Get rid somehow? */ | |||||
| extern struct voss_backend voss_backend_null_rec; | |||||
| extern struct voss_backend voss_backend_null_play; | |||||
| extern struct voss_backend voss_backend_oss_rec; | |||||
| extern struct voss_backend voss_backend_oss_play; | |||||
| extern struct voss_backend voss_backend_bt_rec; | |||||
| extern struct voss_backend voss_backend_bt_play; | |||||
| extern struct voss_backend voss_backend_sndio_rec; | |||||
| extern struct voss_backend voss_backend_sndio_play; | |||||
| #endif /* _VIRTUAL_BACKEND_H_ */ | |||||