4 This file is part of polypaudio.
6 polypaudio 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 polypaudio 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 polypaudio; 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 <polyp/mainloop-signal.h>
44 #include <polyp/xmalloc.h>
46 #include <polypcore/iochannel.h>
47 #include <polypcore/sink.h>
48 #include <polypcore/source.h>
49 #include <polypcore/module.h>
50 #include <polypcore/sample-util.h>
51 #include <polypcore/core-util.h>
52 #include <polypcore/modargs.h>
53 #include <polypcore/log.h>
55 #include "module-solaris-symdef.h"
57 PA_MODULE_AUTHOR("Pierre Ossman")
58 PA_MODULE_DESCRIPTION("Solaris Sink/Source")
59 PA_MODULE_VERSION(PACKAGE_VERSION
)
61 "sink_name=<name for the sink> "
62 "source_name=<name for the source> "
63 "device=<OSS device> record=<enable source?> "
64 "playback=<enable sink?> "
65 "format=<sample format> "
66 "channels=<number of channels> "
68 "buffer_size=<record buffer size> "
69 "channel_map=<channel map>")
77 pa_usec_t poll_timeout
;
80 pa_memchunk memchunk
, silence
;
84 unsigned int written_bytes
, read_bytes
;
90 static const char* const valid_modargs
[] = {
104 #define DEFAULT_SINK_NAME "solaris_output"
105 #define DEFAULT_SOURCE_NAME "solaris_input"
106 #define DEFAULT_DEVICE "/dev/audio"
108 #define CHUNK_SIZE 2048
110 static void update_usage(struct userdata
*u
) {
111 pa_module_set_used(u
->module
,
112 (u
->sink
? pa_idxset_size(u
->sink
->inputs
) : 0) +
113 (u
->sink
? pa_idxset_size(u
->sink
->monitor_source
->outputs
) : 0) +
114 (u
->source
? pa_idxset_size(u
->source
->outputs
) : 0));
117 static void do_write(struct userdata
*u
) {
120 pa_memchunk
*memchunk
;
126 /* We cannot check pa_iochannel_is_writable() because of our buffer hack */
132 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
136 * Since we cannot modify the size of the output buffer we fake it
137 * by not filling it more than u->buffer_size.
139 len
= u
->buffer_size
;
140 len
-= u
->written_bytes
- (info
.play
.samples
* u
->frame_size
);
142 /* The sample counter can sometimes go backwards :( */
143 if (len
> u
->buffer_size
)
146 if (len
== u
->buffer_size
)
147 pa_log_debug(__FILE__
": Solaris buffer underflow!");
149 len
-= len
% u
->frame_size
;
154 memchunk
= &u
->memchunk
;
156 if (!memchunk
->length
)
157 if (pa_sink_render(u
->sink
, len
, memchunk
) < 0)
158 memchunk
= &u
->silence
;
160 assert(memchunk
->memblock
);
161 assert(memchunk
->memblock
->data
);
162 assert(memchunk
->length
);
164 if (memchunk
->length
< len
) {
165 len
= memchunk
->length
;
166 len
-= len
% u
->frame_size
;
170 if ((r
= pa_iochannel_write(u
->io
, (uint8_t*) memchunk
->memblock
->data
+ memchunk
->index
, len
)) < 0) {
171 pa_log(__FILE__
": write() failed: %s", strerror(errno
));
175 assert(r
% u
->frame_size
== 0);
177 if (memchunk
!= &u
->silence
) {
178 u
->memchunk
.index
+= r
;
179 u
->memchunk
.length
-= r
;
181 if (u
->memchunk
.length
<= 0) {
182 pa_memblock_unref(u
->memchunk
.memblock
);
183 u
->memchunk
.memblock
= NULL
;
187 u
->written_bytes
+= r
;
190 static void do_read(struct userdata
*u
) {
191 pa_memchunk memchunk
;
196 if (!u
->source
|| !pa_iochannel_is_readable(u
->io
))
201 err
= ioctl(u
->fd
, I_NREAD
, &l
);
204 memchunk
.memblock
= pa_memblock_new(l
, u
->core
->memblock_stat
);
205 assert(memchunk
.memblock
);
206 if ((r
= pa_iochannel_read(u
->io
, memchunk
.memblock
->data
, memchunk
.memblock
->length
)) < 0) {
207 pa_memblock_unref(memchunk
.memblock
);
209 pa_log(__FILE__
": read() failed: %s", strerror(errno
));
213 assert(r
<= (ssize_t
) memchunk
.memblock
->length
);
214 memchunk
.length
= memchunk
.memblock
->length
= r
;
217 pa_source_post(u
->source
, &memchunk
);
218 pa_memblock_unref(memchunk
.memblock
);
223 static void io_callback(pa_iochannel
*io
, void*userdata
) {
224 struct userdata
*u
= userdata
;
230 static void timer_cb(pa_mainloop_api
*a
, pa_time_event
*e
, const struct timeval
*tv
, void *userdata
) {
231 struct userdata
*u
= userdata
;
238 pa_gettimeofday(&ntv
);
239 pa_timeval_add(&ntv
, u
->poll_timeout
);
241 a
->time_restart(e
, &ntv
);
244 static void sig_callback(pa_mainloop_api
*api
, pa_signal_event
*e
, int sig
, void *userdata
) {
245 struct userdata
*u
= userdata
;
251 assert(u
->sink
->get_hw_volume
);
252 memcpy(&old_vol
, &u
->sink
->hw_volume
, sizeof(pa_cvolume
));
253 if (u
->sink
->get_hw_volume(u
->sink
) < 0)
255 if (memcmp(&old_vol
, &u
->sink
->hw_volume
, sizeof(pa_cvolume
)) != 0) {
256 pa_subscription_post(u
->sink
->core
,
257 PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
,
263 assert(u
->source
->get_hw_volume
);
264 memcpy(&old_vol
, &u
->source
->hw_volume
, sizeof(pa_cvolume
));
265 if (u
->source
->get_hw_volume(u
->source
) < 0)
267 if (memcmp(&old_vol
, &u
->source
->hw_volume
, sizeof(pa_cvolume
)) != 0) {
268 pa_subscription_post(u
->source
->core
,
269 PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
,
275 static pa_usec_t
sink_get_latency_cb(pa_sink
*s
) {
279 struct userdata
*u
= s
->userdata
;
280 assert(s
&& u
&& u
->sink
);
282 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
285 r
+= pa_bytes_to_usec(u
->written_bytes
, &s
->sample_spec
);
286 r
-= pa_bytes_to_usec(info
.play
.samples
* u
->frame_size
, &s
->sample_spec
);
288 if (u
->memchunk
.memblock
)
289 r
+= pa_bytes_to_usec(u
->memchunk
.length
, &s
->sample_spec
);
294 static pa_usec_t
source_get_latency_cb(pa_source
*s
) {
296 struct userdata
*u
= s
->userdata
;
299 assert(s
&& u
&& u
->source
);
301 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
304 r
+= pa_bytes_to_usec(info
.record
.samples
* u
->frame_size
, &s
->sample_spec
);
305 r
-= pa_bytes_to_usec(u
->read_bytes
, &s
->sample_spec
);
310 static int sink_get_hw_volume_cb(pa_sink
*s
) {
311 struct userdata
*u
= s
->userdata
;
315 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
318 pa_cvolume_set(&s
->hw_volume
, s
->hw_volume
.channels
,
319 info
.play
.gain
* PA_VOLUME_NORM
/ AUDIO_MAX_GAIN
);
324 static int sink_set_hw_volume_cb(pa_sink
*s
) {
325 struct userdata
*u
= s
->userdata
;
328 AUDIO_INITINFO(&info
);
330 info
.play
.gain
= pa_cvolume_avg(&s
->hw_volume
) * AUDIO_MAX_GAIN
/ PA_VOLUME_NORM
;
331 assert(info
.play
.gain
<= AUDIO_MAX_GAIN
);
333 if (ioctl(u
->fd
, AUDIO_SETINFO
, &info
) < 0) {
335 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported volume.");
337 pa_log(__FILE__
": AUDIO_SETINFO: %s", strerror(errno
));
344 static int sink_get_hw_mute_cb(pa_sink
*s
) {
345 struct userdata
*u
= s
->userdata
;
349 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
352 s
->hw_muted
= !!info
.output_muted
;
357 static int sink_set_hw_mute_cb(pa_sink
*s
) {
358 struct userdata
*u
= s
->userdata
;
361 AUDIO_INITINFO(&info
);
363 info
.output_muted
= !!s
->hw_muted
;
365 if (ioctl(u
->fd
, AUDIO_SETINFO
, &info
) < 0) {
366 pa_log(__FILE__
": AUDIO_SETINFO: %s", strerror(errno
));
373 static int source_get_hw_volume_cb(pa_source
*s
) {
374 struct userdata
*u
= s
->userdata
;
378 err
= ioctl(u
->fd
, AUDIO_GETINFO
, &info
);
381 pa_cvolume_set(&s
->hw_volume
, s
->hw_volume
.channels
,
382 info
.record
.gain
* PA_VOLUME_NORM
/ AUDIO_MAX_GAIN
);
387 static int source_set_hw_volume_cb(pa_source
*s
) {
388 struct userdata
*u
= s
->userdata
;
391 AUDIO_INITINFO(&info
);
393 info
.record
.gain
= pa_cvolume_avg(&s
->hw_volume
) * AUDIO_MAX_GAIN
/ PA_VOLUME_NORM
;
394 assert(info
.record
.gain
<= AUDIO_MAX_GAIN
);
396 if (ioctl(u
->fd
, AUDIO_SETINFO
, &info
) < 0) {
398 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported volume.");
400 pa_log(__FILE__
": AUDIO_SETINFO: %s", strerror(errno
));
407 static int pa_solaris_auto_format(int fd
, int mode
, pa_sample_spec
*ss
) {
410 AUDIO_INITINFO(&info
);
412 if (mode
!= O_RDONLY
) {
413 info
.play
.sample_rate
= ss
->rate
;
414 info
.play
.channels
= ss
->channels
;
415 switch (ss
->format
) {
417 info
.play
.precision
= 8;
418 info
.play
.encoding
= AUDIO_ENCODING_LINEAR
;
421 info
.play
.precision
= 8;
422 info
.play
.encoding
= AUDIO_ENCODING_ALAW
;
425 info
.play
.precision
= 8;
426 info
.play
.encoding
= AUDIO_ENCODING_ULAW
;
428 case PA_SAMPLE_S16NE
:
429 info
.play
.precision
= 16;
430 info
.play
.encoding
= AUDIO_ENCODING_LINEAR
;
437 if (mode
!= O_WRONLY
) {
438 info
.record
.sample_rate
= ss
->rate
;
439 info
.record
.channels
= ss
->channels
;
440 switch (ss
->format
) {
442 info
.record
.precision
= 8;
443 info
.record
.encoding
= AUDIO_ENCODING_LINEAR
;
446 info
.record
.precision
= 8;
447 info
.record
.encoding
= AUDIO_ENCODING_ALAW
;
450 info
.record
.precision
= 8;
451 info
.record
.encoding
= AUDIO_ENCODING_ULAW
;
453 case PA_SAMPLE_S16NE
:
454 info
.record
.precision
= 16;
455 info
.record
.encoding
= AUDIO_ENCODING_LINEAR
;
462 if (ioctl(fd
, AUDIO_SETINFO
, &info
) < 0) {
464 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported sample format.");
466 pa_log(__FILE__
": AUDIO_SETINFO: %s", strerror(errno
));
473 static int pa_solaris_set_buffer(int fd
, int buffer_size
) {
476 AUDIO_INITINFO(&info
);
478 info
.record
.buffer_size
= buffer_size
;
480 if (ioctl(fd
, AUDIO_SETINFO
, &info
) < 0) {
482 pa_log(__FILE__
": AUDIO_SETINFO: Unsupported buffer size.");
484 pa_log(__FILE__
": AUDIO_SETINFO: %s", strerror(errno
));
491 int pa__init(pa_core
*c
, pa_module
*m
) {
492 struct userdata
*u
= NULL
;
497 int record
= 1, playback
= 1;
500 pa_modargs
*ma
= NULL
;
504 if (!(ma
= pa_modargs_new(m
->argument
, valid_modargs
))) {
505 pa_log(__FILE__
": failed to parse module arguments.");
509 if (pa_modargs_get_value_boolean(ma
, "record", &record
) < 0 || pa_modargs_get_value_boolean(ma
, "playback", &playback
) < 0) {
510 pa_log(__FILE__
": record= and playback= expect numeric argument.");
514 if (!playback
&& !record
) {
515 pa_log(__FILE__
": neither playback nor record enabled for device.");
519 mode
= (playback
&&record
) ? O_RDWR
: (playback
? O_WRONLY
: (record
? O_RDONLY
: 0));
522 if (pa_modargs_get_value_s32(ma
, "buffer_size", &buffer_size
) < 0) {
523 pa_log(__FILE__
": failed to parse buffer size argument");
527 ss
= c
->default_sample_spec
;
528 if (pa_modargs_get_sample_spec_and_channel_map(ma
, &ss
, &map
, PA_CHANNEL_MAP_DEFAULT
) < 0) {
529 pa_log(__FILE__
": failed to parse sample specification");
533 if ((fd
= open(p
= pa_modargs_get_value(ma
, "device", DEFAULT_DEVICE
), mode
| O_NONBLOCK
)) < 0)
536 pa_log_info(__FILE__
": device opened in %s mode.", mode
== O_WRONLY
? "O_WRONLY" : (mode
== O_RDONLY
? "O_RDONLY" : "O_RDWR"));
538 if (pa_solaris_auto_format(fd
, mode
, &ss
) < 0)
541 if ((mode
!= O_WRONLY
) && (buffer_size
>= 1))
542 if (pa_solaris_set_buffer(fd
, buffer_size
) < 0)
545 u
= pa_xmalloc(sizeof(struct userdata
));
548 if (mode
!= O_WRONLY
) {
549 u
->source
= pa_source_new(c
, __FILE__
, pa_modargs_get_value(ma
, "source_name", DEFAULT_SOURCE_NAME
), 0, &ss
, &map
);
551 u
->source
->userdata
= u
;
552 u
->source
->get_latency
= source_get_latency_cb
;
553 u
->source
->get_hw_volume
= source_get_hw_volume_cb
;
554 u
->source
->set_hw_volume
= source_set_hw_volume_cb
;
555 pa_source_set_owner(u
->source
, m
);
556 u
->source
->description
= pa_sprintf_malloc("Solaris PCM on '%s'", p
);
560 if (mode
!= O_RDONLY
) {
561 u
->sink
= pa_sink_new(c
, __FILE__
, pa_modargs_get_value(ma
, "sink_name", DEFAULT_SINK_NAME
), 0, &ss
, &map
);
563 u
->sink
->get_latency
= sink_get_latency_cb
;
564 u
->sink
->get_hw_volume
= sink_get_hw_volume_cb
;
565 u
->sink
->set_hw_volume
= sink_set_hw_volume_cb
;
566 u
->sink
->get_hw_mute
= sink_get_hw_mute_cb
;
567 u
->sink
->set_hw_mute
= sink_set_hw_mute_cb
;
568 u
->sink
->userdata
= u
;
569 pa_sink_set_owner(u
->sink
, m
);
570 u
->sink
->description
= pa_sprintf_malloc("Solaris PCM on '%s'", p
);
574 assert(u
->source
|| u
->sink
);
576 u
->io
= pa_iochannel_new(c
->mainloop
, u
->source
? fd
: -1, u
->sink
? fd
: 0);
578 pa_iochannel_set_callback(u
->io
, io_callback
, u
);
581 u
->memchunk
.memblock
= NULL
;
582 u
->memchunk
.length
= 0;
583 u
->frame_size
= pa_frame_size(&ss
);
584 u
->buffer_size
= buffer_size
;
586 u
->silence
.memblock
= pa_memblock_new(u
->silence
.length
= CHUNK_SIZE
, u
->core
->memblock_stat
);
587 assert(u
->silence
.memblock
);
588 pa_silence_memblock(u
->silence
.memblock
, &ss
);
589 u
->silence
.index
= 0;
591 u
->written_bytes
= 0;
597 u
->poll_timeout
= pa_bytes_to_usec(u
->buffer_size
/ 10, &ss
);
599 pa_gettimeofday(&tv
);
600 pa_timeval_add(&tv
, u
->poll_timeout
);
602 u
->timer
= c
->mainloop
->time_new(c
->mainloop
, &tv
, timer_cb
, u
);
605 u
->sig
= pa_signal_new(SIGPOLL
, sig_callback
, u
);
607 ioctl(u
->fd
, I_SETSIG
, S_MSG
);
611 /* Read mixer settings */
613 source_get_hw_volume_cb(u
->source
);
615 sink_get_hw_volume_cb(u
->sink
);
616 sink_get_hw_mute_cb(u
->sink
);
631 void pa__done(pa_core
*c
, pa_module
*m
) {
635 if (!(u
= m
->userdata
))
639 c
->mainloop
->time_free(u
->timer
);
640 ioctl(u
->fd
, I_SETSIG
, 0);
641 pa_signal_free(u
->sig
);
643 if (u
->memchunk
.memblock
)
644 pa_memblock_unref(u
->memchunk
.memblock
);
645 if (u
->silence
.memblock
)
646 pa_memblock_unref(u
->silence
.memblock
);
649 pa_sink_disconnect(u
->sink
);
650 pa_sink_unref(u
->sink
);
654 pa_source_disconnect(u
->source
);
655 pa_source_unref(u
->source
);
658 pa_iochannel_free(u
->io
);