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sys/dev/sound/pcm/vchan.h
| Show All 24 Lines | |||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | * 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 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
| * SUCH DAMAGE. | * SUCH DAMAGE. | ||||
| */ | */ | ||||
| #ifndef _SND_VCHAN_H_ | #ifndef _SND_VCHAN_H_ | ||||
| #define _SND_VCHAN_H_ | #define _SND_VCHAN_H_ | ||||
| extern int snd_maxautovchans; | extern bool snd_vchans_enable; | ||||
| int vchan_create(struct pcm_channel *); | int vchan_create(struct pcm_channel *, struct pcm_channel **); | ||||
| int vchan_destroy(struct pcm_channel *); | int vchan_destroy(struct pcm_channel *); | ||||
| #ifdef SND_DEBUG | #ifdef SND_DEBUG | ||||
| int vchan_passthrough(struct pcm_channel *, const char *); | int vchan_passthrough(struct pcm_channel *, const char *); | ||||
| #define vchan_sync(c) vchan_passthrough(c, __func__) | #define vchan_sync(c) vchan_passthrough(c, __func__) | ||||
| #else | #else | ||||
| int vchan_sync(struct pcm_channel *); | int vchan_sync(struct pcm_channel *); | ||||
| #endif | #endif | ||||
| #define VCHAN_SYNC_REQUIRED(c) \ | #define VCHAN_SYNC_REQUIRED(c) \ | ||||
| (((c)->flags & CHN_F_VIRTUAL) && (((c)->flags & CHN_F_DIRTY) || \ | (((c)->flags & CHN_F_VIRTUAL) && (((c)->flags & CHN_F_DIRTY) || \ | ||||
| sndbuf_getfmt((c)->bufhard) != (c)->parentchannel->format || \ | sndbuf_getfmt((c)->bufhard) != (c)->parentchannel->format || \ | ||||
| sndbuf_getspd((c)->bufhard) != (c)->parentchannel->speed)) | sndbuf_getspd((c)->bufhard) != (c)->parentchannel->speed)) | ||||
| int vchan_setnew(struct snddev_info *, int, int); | |||||
| void vchan_setmaxauto(struct snddev_info *, int); | |||||
| void vchan_initsys(device_t); | void vchan_initsys(device_t); | ||||
| /* | /* | ||||
| * Default format / rate | * Default format / rate | ||||
| */ | */ | ||||
| #define VCHAN_DEFAULT_FORMAT SND_FORMAT(AFMT_S16_LE, 2, 0) | #define VCHAN_DEFAULT_FORMAT SND_FORMAT(AFMT_S16_LE, 2, 0) | ||||
| #define VCHAN_DEFAULT_RATE 48000 | #define VCHAN_DEFAULT_RATE 48000 | ||||
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