| vchan.h (139749) | vchan.h (170161) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Cameron Grant <cg@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2001 Cameron Grant <cg@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/dev/sound/pcm/vchan.h 139749 2005-01-06 01:43:34Z imp $ | 26 * $FreeBSD: head/sys/dev/sound/pcm/vchan.h 170161 2007-05-31 18:43:33Z ariff $ |
| 27 */ 28 | 27 */ 28 |
| 29int vchan_create(struct pcm_channel *parent); | 29int vchan_create(struct pcm_channel *parent, int num); |
| 30int vchan_destroy(struct pcm_channel *c); 31int vchan_initsys(device_t dev); 32 | 30int vchan_destroy(struct pcm_channel *c); 31int vchan_initsys(device_t dev); 32 |
| 33/* 34 * Default speed / format 35 */ 36#define VCHAN_DEFAULT_SPEED 48000 37#define VCHAN_DEFAULT_AFMT (AFMT_S16_LE | AFMT_STEREO) 38#define VCHAN_DEFAULT_STRFMT "s16le" |
|
| 33 | 39 |
| 40#define VCHAN_PLAY 0 41#define VCHAN_REC 1 42 43/* 44 * Offset by +/- 1 so we can distinguish bogus pointer. 45 */ 46#define VCHAN_SYSCTL_DATA(x, y) \ 47 ((void *)((intptr_t)(((((x) + 1) & 0xfff) << 2) | \ 48 (((VCHAN_##y) + 1) & 0x3)))) 49 50#define VCHAN_SYSCTL_DATA_SIZE sizeof(void *) 51#define VCHAN_SYSCTL_UNIT(x) ((int)(((intptr_t)(x) >> 2) & 0xfff) - 1) 52#define VCHAN_SYSCTL_DIR(x) ((int)((intptr_t)(x) & 0x3) - 1) |
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