5f8648a46b
- add sndio backend playback under aucat server is pretty solid. for full-duplex, starting aucat with 'aucat -l -b 2048' and jackd with just 'jackd -d sndio' seems to work best for me. we want low latency anyway, right ;)
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/*
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* Copyright (c) 2009 Jacob Meuser <jakemsr@sdf.lonestar.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __JACK_SNDIO_DRIVER_H__
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#define __JACK_SNDIO_DRIVER_H__
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#include <sys/types.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <jack/types.h>
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#include <jack/jslist.h>
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#include <jack/driver.h>
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#include <jack/jack.h>
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#define SNDIO_DRIVER_DEF_DEV "/dev/audio"
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#define SNDIO_DRIVER_DEF_FS 44100
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#define SNDIO_DRIVER_DEF_BLKSIZE 1024
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#define SNDIO_DRIVER_DEF_NPERIODS 2
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#define SNDIO_DRIVER_DEF_BITS 16
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#define SNDIO_DRIVER_DEF_INS 2
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#define SNDIO_DRIVER_DEF_OUTS 2
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typedef jack_default_audio_sample_t jack_sample_t;
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typedef struct _sndio_driver
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{
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JACK_DRIVER_NT_DECL
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jack_nframes_t sample_rate;
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jack_nframes_t period_size;
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jack_nframes_t orig_period_size;
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unsigned int nperiods;
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unsigned int orig_nperiods;
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int bits;
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int sample_bytes;
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unsigned int capture_channels;
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unsigned int playback_channels;
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char *dev;
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struct sio_hdl *hdl;
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int format;
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int ignorehwbuf;
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size_t capbufsize;
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size_t playbufsize;
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size_t portbufsize;
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void *capbuf;
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void *playbuf;
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size_t buffer_fill;
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int poll_timeout;
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jack_time_t poll_last;
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jack_time_t poll_next;
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float iodelay;
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long long realpos, playpos, cappos;
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jack_nframes_t sys_cap_latency;
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jack_nframes_t sys_play_latency;
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JSList *capture_ports;
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JSList *playback_ports;
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jack_client_t *client;
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int playback_drops;
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int capture_drops;
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} sndio_driver_t;
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#endif
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