diff options
Diffstat (limited to 'usr.sbin/virtual_oss/virtual_oss/backend.h')
| -rw-r--r-- | usr.sbin/virtual_oss/virtual_oss/backend.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/usr.sbin/virtual_oss/virtual_oss/backend.h b/usr.sbin/virtual_oss/virtual_oss/backend.h new file mode 100644 index 000000000000..d7453f3db89e --- /dev/null +++ b/usr.sbin/virtual_oss/virtual_oss/backend.h @@ -0,0 +1,53 @@ +/*- + * 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; +}; + +/* 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_ */ |