4 This file is part of PulseAudio.
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
34 #include <sys/ioctl.h>
36 #include <sys/types.h>
41 #include <sys/audio.h>
43 #include <pulse/error.h>
44 #include <pulse/mainloop-signal.h>
45 #include <pulse/xmalloc.h>
47 #include <pulsecore/iochannel.h>
48 #include <pulsecore/sink.h>
49 #include <pulsecore/source.h>
50 #include <pulsecore/module.h>
51 #include <pulsecore/sample-util.h>
52 #include <pulsecore/core-util.h>
53 #include <pulsecore/modargs.h>
54 #include <pulsecore/log.h>
56 #include "module-solaris-symdef.h"
58 PA_MODULE_AUTHOR("Pierre Ossman")
59 PA_MODULE_DESCRIPTION("Solaris Sink/Source")
60 PA_MODULE_VERSION(PACKAGE_VERSION
)
62 "sink_name=<name for the sink> "
63 "source_name=<name for the source> "
64 "device=<OSS device> record=<enable source?> "
65 "playback=<enable sink?> "
66 "format=<sample format> "
67 "channels=<number of channels> "
69 "buffer_size=<record buffer size> "
70 "channel_map=<channel map>")
78 pa_usec_t poll_timeout
;
81 pa_memchunk memchunk
, silence
;
85 unsigned int written_bytes
, read_bytes
;
91 static const char* const valid_modargs
[] = {
105 #define DEFAULT_SINK_NAME "solaris_output"
106 #define DEFAULT_SOURCE_NAME "solaris_input"
107 #define DEFAULT_DEVICE "/dev/audio"
109 #define CHUNK_SIZE 2048
111 static void update_usage(struct userdata
*u
) {
112 pa_module_set_used(u
->module
,
113 (u
->sink
? pa_idxset_size(u
->sink
->inputs
) : 0) +
114 (u
->sink
? pa_idxset_size(u
->sink
->monitor_source
->outputs
) : 0) +
115 (u
->source
? pa_idxset_size(u
->source
->outputs
) : 0));
118 static void do_write(struct userdata
*u
) {
121 pa_memchunk
*memchunk
;
127 /* We cannot check pa_iochannel_is_writable() because of our buffer hack */
133 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
137 * Since we cannot modify the size of the output buffer we fake it
138 * by not filling it more than u->buffer_size.
140 len
= u
->buffer_size
;
141 len
-= u
->written_bytes
- (info
.play
.samples
* u
->frame_size
);
143 /* The sample counter can sometimes go backwards :( */
144 if (len
> u
->buffer_size
)
147 if (len
== u
->buffer_size
)
148 pa_log_debug(__FILE__
": Solaris buffer underflow!");
150 len
-= len
% u
->frame_size
;
155 memchunk
= &u
->memchunk
;
157 if (!memchunk
->length
)
158 if (pa_sink_render(u
->sink
, len
, memchunk
) < 0)
159 memchunk
= &u
->silence
;
161 assert(memchunk
->memblock
);
162 assert(memchunk
->memblock
->data
);
163 assert(memchunk
->length
);
165 if (memchunk
->length
< len
) {
166 len
= memchunk
->length
;
167 len
-= len
% u
->frame_size
;
171 if ((r
= pa_iochannel_write(u
->io
, (uint8_t*) memchunk
->memblock
->data
+ memchunk
->index
, len
)) < 0) {
172 pa_log(__FILE__
": write() failed: %s", pa_cstrerror(errno
));
176 assert(r
% u
->frame_size
== 0);
178 if (memchunk
!= &u
->silence
) {
179 u
->memchunk
.index
+= r
;
180 u
->memchunk
.length
-= r
;
182 if (u
->memchunk
.length
<= 0) {
183 pa_memblock_unref(u
->memchunk
.memblock
);
184 u
->memchunk
.memblock
= NULL
;
188 u
->written_bytes
+= r
;
191 static void do_read(struct userdata
*u
) {
192 pa_memchunk memchunk
;
197 if (!u
->source
|| !pa_iochannel_is_readable(u
->io
))
202 err
= ioctl(u
->fd
, I_NREAD
, &l
);
205 memchunk
.memblock
= pa_memblock_new(l
, u
->core
->memblock_stat
);
206 assert(memchunk
.memblock
);
207 if ((r
= pa_iochannel_read(u
->io
, memchunk
.memblock
->data
, memchunk
.memblock
->length
)) < 0) {
208 pa_memblock_unref(memchunk
.memblock
);
210 pa_log(__FILE__
": read() failed: %s", pa_cstrerror(errno
));
214 assert(r
<= (ssize_t
) memchunk
.memblock
->length
);
215 memchunk
.length
= memchunk
.memblock
->length
= r
;
218 pa_source_post(u
->source
, &memchunk
);
219 pa_memblock_unref(memchunk
.memblock
);
224 static void io_callback(pa_iochannel
*io
, void*userdata
) {
225 struct userdata
*u
= userdata
;
231 static void timer_cb(pa_mainloop_api
*a
, pa_time_event
*e
, const struct timeval
*tv
, void *userdata
) {
232 struct userdata
*u
= userdata
;
239 pa_gettimeofday(&ntv
);
240 pa_timeval_add(&ntv
, u
->poll_timeout
);
242 a
->time_restart(e
, &ntv
);
245 static void sig_callback(pa_mainloop_api
*api
, pa_signal_event
*e
, int sig
, void *userdata
) {
246 struct userdata
*u
= userdata
;
252 assert(u
->sink
->get_hw_volume
);
253 memcpy(&old_vol
, &u
->sink
->hw_volume
, sizeof(pa_cvolume
));
254 if (u
->sink
->get_hw_volume(u
->sink
) < 0)
256 if (memcmp(&old_vol
, &u
->sink
->hw_volume
, sizeof(pa_cvolume
)) != 0) {
257 pa_subscription_post(u
->sink
->core
,
258 PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
,
264 assert(u
->source
->get_hw_volume
);
265 memcpy(&old_vol
, &u
->source
->hw_volume
, sizeof(pa_cvolume
));
266 if (u
->source
->get_hw_volume(u
->source
) < 0)
268 if (memcmp(&old_vol
, &u
->source
->hw_volume
, sizeof(pa_cvolume
)) != 0) {
269 pa_subscription_post(u
->source
->core
,
270 PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
,
276 static pa_usec_t
sink_get_latency_cb(pa_sink
*s
) {
280 struct userdata
*u
= s
->userdata
;
281 assert(s
&& u
&& u
->sink
);
283 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
286 r
+= pa_bytes_to_usec(u
->written_bytes
, &s
->sample_spec
);
287 r
-= pa_bytes_to_usec(info
.play
.samples
* u
->frame_size
, &s
->sample_spec
);
289 if (u
->memchunk
.memblock
)
290 r
+= pa_bytes_to_usec(u
->memchunk
.length
, &s
->sample_spec
);
295 static pa_usec_t
source_get_latency_cb(pa_source
*s
) {
297 struct userdata
*u
= s
->userdata
;
300 assert(s
&& u
&& u
->source
);
302 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
305 r
+= pa_bytes_to_usec(info
.record
.samples
* u
->frame_size
, &s
->sample_spec
);
306 r
-= pa_bytes_to_usec(u
->read_bytes
, &s
->sample_spec
);
311 static int sink_get_hw_volume_cb(pa_sink
*s
) {
312 struct userdata
*u
= s
->userdata
;
316 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
319 pa_cvolume_set(&s
->hw_volume
, s
->hw_volume
.channels
,
320 info
.play
.gain
* PA_VOLUME_NORM
/ AUDIO_MAX_GAIN
);
325 static int sink_set_hw_volume_cb(pa_sink
*s
) {
326 struct userdata
*u
= s
->userdata
;
329 AUDIO_INITINFO(&info
);
331 info
.play
.gain
= pa_cvolume_avg(&s
->hw_volume
) * AUDIO_MAX_GAIN
/ PA_VOLUME_NORM
;
332 assert(info
.play
.gain
<= AUDIO_MAX_GAIN
);
334 if (ioctl(u
->fd
, AUDIO_SETINFO
, &info
) < 0) {
336 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported volume.");
338 pa_log(__FILE__
": AUDIO_SETINFO: %s", pa_cstrerror(errno
));
345 static int sink_get_hw_mute_cb(pa_sink
*s
) {
346 struct userdata
*u
= s
->userdata
;
350 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
353 s
->hw_muted
= !!info
.output_muted
;
358 static int sink_set_hw_mute_cb(pa_sink
*s
) {
359 struct userdata
*u
= s
->userdata
;
362 AUDIO_INITINFO(&info
);
364 info
.output_muted
= !!s
->hw_muted
;
366 if (ioctl(u
->fd
, AUDIO_SETINFO
, &info
) < 0) {
367 pa_log(__FILE__
": AUDIO_SETINFO: %s", pa_cstrerror(errno
));
374 static int source_get_hw_volume_cb(pa_source
*s
) {
375 struct userdata
*u
= s
->userdata
;
379 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
382 pa_cvolume_set(&s
->hw_volume
, s
->hw_volume
.channels
,
383 info
.record
.gain
* PA_VOLUME_NORM
/ AUDIO_MAX_GAIN
);
388 static int source_set_hw_volume_cb(pa_source
*s
) {
389 struct userdata
*u
= s
->userdata
;
392 AUDIO_INITINFO(&info
);
394 info
.record
.gain
= pa_cvolume_avg(&s
->hw_volume
) * AUDIO_MAX_GAIN
/ PA_VOLUME_NORM
;
395 assert(info
.record
.gain
<= AUDIO_MAX_GAIN
);
397 if (ioctl(u
->fd
, AUDIO_SETINFO
, &info
) < 0) {
399 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported volume.");
401 pa_log(__FILE__
": AUDIO_SETINFO: %s", pa_cstrerror(errno
));
408 static int pa_solaris_auto_format(int fd
, int mode
, pa_sample_spec
*ss
) {
411 AUDIO_INITINFO(&info
);
413 if (mode
!= O_RDONLY
) {
414 info
.play
.sample_rate
= ss
->rate
;
415 info
.play
.channels
= ss
->channels
;
416 switch (ss
->format
) {
418 info
.play
.precision
= 8;
419 info
.play
.encoding
= AUDIO_ENCODING_LINEAR
;
422 info
.play
.precision
= 8;
423 info
.play
.encoding
= AUDIO_ENCODING_ALAW
;
426 info
.play
.precision
= 8;
427 info
.play
.encoding
= AUDIO_ENCODING_ULAW
;
429 case PA_SAMPLE_S16NE
:
430 info
.play
.precision
= 16;
431 info
.play
.encoding
= AUDIO_ENCODING_LINEAR
;
438 if (mode
!= O_WRONLY
) {
439 info
.record
.sample_rate
= ss
->rate
;
440 info
.record
.channels
= ss
->channels
;
441 switch (ss
->format
) {
443 info
.record
.precision
= 8;
444 info
.record
.encoding
= AUDIO_ENCODING_LINEAR
;
447 info
.record
.precision
= 8;
448 info
.record
.encoding
= AUDIO_ENCODING_ALAW
;
451 info
.record
.precision
= 8;
452 info
.record
.encoding
= AUDIO_ENCODING_ULAW
;
454 case PA_SAMPLE_S16NE
:
455 info
.record
.precision
= 16;
456 info
.record
.encoding
= AUDIO_ENCODING_LINEAR
;
463 if (ioctl(fd
, AUDIO_SETINFO
, &info
) < 0) {
465 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported sample format.");
467 pa_log(__FILE__
": AUDIO_SETINFO: %s", pa_cstrerror(errno
));
474 static int pa_solaris_set_buffer(int fd
, int buffer_size
) {
477 AUDIO_INITINFO(&info
);
479 info
.record
.buffer_size
= buffer_size
;
481 if (ioctl(fd
, AUDIO_SETINFO
, &info
) < 0) {
483 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported buffer size.");
485 pa_log(__FILE__
": AUDIO_SETINFO: %s", pa_cstrerror(errno
));
492 int pa__init(pa_core
*c
, pa_module
*m
) {
493 struct userdata
*u
= NULL
;
498 int record
= 1, playback
= 1;
501 pa_modargs
*ma
= NULL
;
505 if (!(ma
= pa_modargs_new(m
->argument
, valid_modargs
))) {
506 pa_log(__FILE__
": failed to parse module arguments.");
510 if (pa_modargs_get_value_boolean(ma
, "record", &record
) < 0 || pa_modargs_get_value_boolean(ma
, "playback", &playback
) < 0) {
511 pa_log(__FILE__
": record= and playback= expect numeric argument.");
515 if (!playback
&& !record
) {
516 pa_log(__FILE__
": neither playback nor record enabled for device.");
520 mode
= (playback
&&record
) ? O_RDWR
: (playback
? O_WRONLY
: (record
? O_RDONLY
: 0));
523 if (pa_modargs_get_value_s32(ma
, "buffer_size", &buffer_size
) < 0) {
524 pa_log(__FILE__
": failed to parse buffer size argument");
528 ss
= c
->default_sample_spec
;
529 if (pa_modargs_get_sample_spec_and_channel_map(ma
, &ss
, &map
, PA_CHANNEL_MAP_DEFAULT
) < 0) {
530 pa_log(__FILE__
": failed to parse sample specification");
534 if ((fd
= open(p
= pa_modargs_get_value(ma
, "device", DEFAULT_DEVICE
), mode
| O_NONBLOCK
)) < 0)
537 pa_log_info(__FILE__
": device opened in %s mode.", mode
== O_WRONLY
? "O_WRONLY" : (mode
== O_RDONLY
? "O_RDONLY" : "O_RDWR"));
539 if (pa_solaris_auto_format(fd
, mode
, &ss
) < 0)
542 if ((mode
!= O_WRONLY
) && (buffer_size
>= 1))
543 if (pa_solaris_set_buffer(fd
, buffer_size
) < 0)
546 u
= pa_xmalloc(sizeof(struct userdata
));
549 if (mode
!= O_WRONLY
) {
550 u
->source
= pa_source_new(c
, __FILE__
, pa_modargs_get_value(ma
, "source_name", DEFAULT_SOURCE_NAME
), 0, &ss
, &map
);
552 u
->source
->userdata
= u
;
553 u
->source
->get_latency
= source_get_latency_cb
;
554 u
->source
->get_hw_volume
= source_get_hw_volume_cb
;
555 u
->source
->set_hw_volume
= source_set_hw_volume_cb
;
556 pa_source_set_owner(u
->source
, m
);
557 u
->source
->description
= pa_sprintf_malloc("Solaris PCM on '%s'", p
);
558 u
->source
->is_hardware
= 1;
562 if (mode
!= O_RDONLY
) {
563 u
->sink
= pa_sink_new(c
, __FILE__
, pa_modargs_get_value(ma
, "sink_name", DEFAULT_SINK_NAME
), 0, &ss
, &map
);
565 u
->sink
->get_latency
= sink_get_latency_cb
;
566 u
->sink
->get_hw_volume
= sink_get_hw_volume_cb
;
567 u
->sink
->set_hw_volume
= sink_set_hw_volume_cb
;
568 u
->sink
->get_hw_mute
= sink_get_hw_mute_cb
;
569 u
->sink
->set_hw_mute
= sink_set_hw_mute_cb
;
570 u
->sink
->userdata
= u
;
571 pa_sink_set_owner(u
->sink
, m
);
572 u
->sink
->description
= pa_sprintf_malloc("Solaris PCM on '%s'", p
);
573 u
->sink
->is_hardware
= 1;
577 assert(u
->source
|| u
->sink
);
579 u
->io
= pa_iochannel_new(c
->mainloop
, u
->source
? fd
: -1, u
->sink
? fd
: 0);
581 pa_iochannel_set_callback(u
->io
, io_callback
, u
);
584 u
->memchunk
.memblock
= NULL
;
585 u
->memchunk
.length
= 0;
586 u
->frame_size
= pa_frame_size(&ss
);
587 u
->buffer_size
= buffer_size
;
589 u
->silence
.memblock
= pa_memblock_new(u
->silence
.length
= CHUNK_SIZE
, u
->core
->memblock_stat
);
590 assert(u
->silence
.memblock
);
591 pa_silence_memblock(u
->silence
.memblock
, &ss
);
592 u
->silence
.index
= 0;
594 u
->written_bytes
= 0;
600 u
->poll_timeout
= pa_bytes_to_usec(u
->buffer_size
/ 10, &ss
);
602 pa_gettimeofday(&tv
);
603 pa_timeval_add(&tv
, u
->poll_timeout
);
605 u
->timer
= c
->mainloop
->time_new(c
->mainloop
, &tv
, timer_cb
, u
);
608 u
->sig
= pa_signal_new(SIGPOLL
, sig_callback
, u
);
610 ioctl(u
->fd
, I_SETSIG
, S_MSG
);
614 /* Read mixer settings */
616 source_get_hw_volume_cb(u
->source
);
618 sink_get_hw_volume_cb(u
->sink
);
619 sink_get_hw_mute_cb(u
->sink
);
634 void pa__done(pa_core
*c
, pa_module
*m
) {
638 if (!(u
= m
->userdata
))
642 c
->mainloop
->time_free(u
->timer
);
643 ioctl(u
->fd
, I_SETSIG
, 0);
644 pa_signal_free(u
->sig
);
646 if (u
->memchunk
.memblock
)
647 pa_memblock_unref(u
->memchunk
.memblock
);
648 if (u
->silence
.memblock
)
649 pa_memblock_unref(u
->silence
.memblock
);
652 pa_sink_disconnect(u
->sink
);
653 pa_sink_unref(u
->sink
);
657 pa_source_disconnect(u
->source
);
658 pa_source_unref(u
->source
);
661 pa_iochannel_free(u
->io
);