2 This file is part of PulseAudio.
4 Copyright 2004-2009 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
7 PulseAudio is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published
9 by the Free Software Foundation; either version 2.1 of the License,
10 or (at your option) any later version.
12 PulseAudio is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
27 #include <sys/types.h>
29 #include <asoundlib.h>
31 #ifdef HAVE_VALGRIND_MEMCHECK_H
32 #include <valgrind/memcheck.h>
35 #include <pulse/sample.h>
36 #include <pulse/xmalloc.h>
37 #include <pulse/timeval.h>
38 #include <pulse/util.h>
39 #include <pulse/i18n.h>
40 #include <pulse/utf8.h>
42 #include <pulsecore/log.h>
43 #include <pulsecore/macro.h>
44 #include <pulsecore/core-util.h>
45 #include <pulsecore/atomic.h>
46 #include <pulsecore/core-error.h>
47 #include <pulsecore/once.h>
48 #include <pulsecore/thread.h>
49 #include <pulsecore/conf-parser.h>
50 #include <pulsecore/strbuf.h>
52 #include "alsa-mixer.h"
53 #include "alsa-util.h"
55 struct description_map
{
57 const char *description
;
60 static const char *lookup_description(const char *name
, const struct description_map dm
[], unsigned n
) {
63 for (i
= 0; i
< n
; i
++)
64 if (pa_streq(dm
[i
].name
, name
))
65 return dm
[i
].description
;
70 struct pa_alsa_fdlist
{
73 /* This is a temporary buffer used to avoid lots of mallocs */
74 struct pollfd
*work_fds
;
79 pa_defer_event
*defer
;
84 void (*cb
)(void *userdata
);
88 static void io_cb(pa_mainloop_api
*a
, pa_io_event
* e
, int fd
, pa_io_event_flags_t events
, void *userdata
) {
90 struct pa_alsa_fdlist
*fdl
= userdata
;
93 unsigned short revents
;
97 pa_assert(fdl
->mixer
);
99 pa_assert(fdl
->work_fds
);
106 memcpy(fdl
->work_fds
, fdl
->fds
, sizeof(struct pollfd
) * fdl
->num_fds
);
108 for (i
= 0; i
< fdl
->num_fds
; i
++) {
109 if (e
== fdl
->ios
[i
]) {
110 if (events
& PA_IO_EVENT_INPUT
)
111 fdl
->work_fds
[i
].revents
|= POLLIN
;
112 if (events
& PA_IO_EVENT_OUTPUT
)
113 fdl
->work_fds
[i
].revents
|= POLLOUT
;
114 if (events
& PA_IO_EVENT_ERROR
)
115 fdl
->work_fds
[i
].revents
|= POLLERR
;
116 if (events
& PA_IO_EVENT_HANGUP
)
117 fdl
->work_fds
[i
].revents
|= POLLHUP
;
122 pa_assert(i
!= fdl
->num_fds
);
124 if ((err
= snd_mixer_poll_descriptors_revents(fdl
->mixer
, fdl
->work_fds
, fdl
->num_fds
, &revents
)) < 0) {
125 pa_log_error("Unable to get poll revent: %s", pa_alsa_strerror(err
));
129 a
->defer_enable(fdl
->defer
, 1);
132 snd_mixer_handle_events(fdl
->mixer
);
135 static void defer_cb(pa_mainloop_api
*a
, pa_defer_event
* e
, void *userdata
) {
136 struct pa_alsa_fdlist
*fdl
= userdata
;
143 pa_assert(fdl
->mixer
);
145 a
->defer_enable(fdl
->defer
, 0);
147 if ((n
= snd_mixer_poll_descriptors_count(fdl
->mixer
)) < 0) {
148 pa_log("snd_mixer_poll_descriptors_count() failed: %s", pa_alsa_strerror(n
));
151 num_fds
= (unsigned) n
;
153 if (num_fds
!= fdl
->num_fds
) {
157 pa_xfree(fdl
->work_fds
);
158 fdl
->fds
= pa_xnew0(struct pollfd
, num_fds
);
159 fdl
->work_fds
= pa_xnew(struct pollfd
, num_fds
);
162 memset(fdl
->work_fds
, 0, sizeof(struct pollfd
) * num_fds
);
164 if ((err
= snd_mixer_poll_descriptors(fdl
->mixer
, fdl
->work_fds
, num_fds
)) < 0) {
165 pa_log_error("Unable to get poll descriptors: %s", pa_alsa_strerror(err
));
171 if (memcmp(fdl
->fds
, fdl
->work_fds
, sizeof(struct pollfd
) * num_fds
) == 0)
175 for (i
= 0; i
< fdl
->num_fds
; i
++)
176 a
->io_free(fdl
->ios
[i
]);
178 if (num_fds
!= fdl
->num_fds
) {
185 fdl
->ios
= pa_xnew(pa_io_event
*, num_fds
);
188 temp
= fdl
->work_fds
;
189 fdl
->work_fds
= fdl
->fds
;
192 fdl
->num_fds
= num_fds
;
194 for (i
= 0;i
< num_fds
;i
++)
195 fdl
->ios
[i
] = a
->io_new(a
, fdl
->fds
[i
].fd
,
196 ((fdl
->fds
[i
].events
& POLLIN
) ? PA_IO_EVENT_INPUT
: 0) |
197 ((fdl
->fds
[i
].events
& POLLOUT
) ? PA_IO_EVENT_OUTPUT
: 0),
201 struct pa_alsa_fdlist
*pa_alsa_fdlist_new(void) {
202 struct pa_alsa_fdlist
*fdl
;
204 fdl
= pa_xnew0(struct pa_alsa_fdlist
, 1);
209 void pa_alsa_fdlist_free(struct pa_alsa_fdlist
*fdl
) {
214 fdl
->m
->defer_free(fdl
->defer
);
220 for (i
= 0; i
< fdl
->num_fds
; i
++)
221 fdl
->m
->io_free(fdl
->ios
[i
]);
228 pa_xfree(fdl
->work_fds
);
233 int pa_alsa_fdlist_set_mixer(struct pa_alsa_fdlist
*fdl
, snd_mixer_t
*mixer_handle
, pa_mainloop_api
* m
) {
235 pa_assert(mixer_handle
);
239 fdl
->mixer
= mixer_handle
;
241 fdl
->defer
= m
->defer_new(m
, defer_cb
, fdl
);
246 static int prepare_mixer(snd_mixer_t
*mixer
, const char *dev
) {
252 if ((err
= snd_mixer_attach(mixer
, dev
)) < 0) {
253 pa_log_info("Unable to attach to mixer %s: %s", dev
, pa_alsa_strerror(err
));
257 if ((err
= snd_mixer_selem_register(mixer
, NULL
, NULL
)) < 0) {
258 pa_log_warn("Unable to register mixer: %s", pa_alsa_strerror(err
));
262 if ((err
= snd_mixer_load(mixer
)) < 0) {
263 pa_log_warn("Unable to load mixer: %s", pa_alsa_strerror(err
));
267 pa_log_info("Successfully attached to mixer '%s'", dev
);
271 snd_mixer_t
*pa_alsa_open_mixer_for_pcm(snd_pcm_t
*pcm
, char **ctl_device
) {
275 snd_pcm_info_t
* info
;
276 snd_pcm_info_alloca(&info
);
280 if ((err
= snd_mixer_open(&m
, 0)) < 0) {
281 pa_log("Error opening mixer: %s", pa_alsa_strerror(err
));
285 /* First, try by name */
286 if ((dev
= snd_pcm_name(pcm
)))
287 if (prepare_mixer(m
, dev
) >= 0) {
289 *ctl_device
= pa_xstrdup(dev
);
294 /* Then, try by card index */
295 if (snd_pcm_info(pcm
, info
) >= 0) {
299 if ((card_idx
= snd_pcm_info_get_card(info
)) >= 0) {
301 md
= pa_sprintf_malloc("hw:%i", card_idx
);
303 if (!dev
|| !pa_streq(dev
, md
))
304 if (prepare_mixer(m
, md
) >= 0) {
322 static const snd_mixer_selem_channel_id_t alsa_channel_ids
[PA_CHANNEL_POSITION_MAX
] = {
323 [PA_CHANNEL_POSITION_MONO
] = SND_MIXER_SCHN_MONO
, /* The ALSA name is just an alias! */
325 [PA_CHANNEL_POSITION_FRONT_CENTER
] = SND_MIXER_SCHN_FRONT_CENTER
,
326 [PA_CHANNEL_POSITION_FRONT_LEFT
] = SND_MIXER_SCHN_FRONT_LEFT
,
327 [PA_CHANNEL_POSITION_FRONT_RIGHT
] = SND_MIXER_SCHN_FRONT_RIGHT
,
329 [PA_CHANNEL_POSITION_REAR_CENTER
] = SND_MIXER_SCHN_REAR_CENTER
,
330 [PA_CHANNEL_POSITION_REAR_LEFT
] = SND_MIXER_SCHN_REAR_LEFT
,
331 [PA_CHANNEL_POSITION_REAR_RIGHT
] = SND_MIXER_SCHN_REAR_RIGHT
,
333 [PA_CHANNEL_POSITION_LFE
] = SND_MIXER_SCHN_WOOFER
,
335 [PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER
] = SND_MIXER_SCHN_UNKNOWN
,
336 [PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER
] = SND_MIXER_SCHN_UNKNOWN
,
338 [PA_CHANNEL_POSITION_SIDE_LEFT
] = SND_MIXER_SCHN_SIDE_LEFT
,
339 [PA_CHANNEL_POSITION_SIDE_RIGHT
] = SND_MIXER_SCHN_SIDE_RIGHT
,
341 [PA_CHANNEL_POSITION_AUX0
] = SND_MIXER_SCHN_UNKNOWN
,
342 [PA_CHANNEL_POSITION_AUX1
] = SND_MIXER_SCHN_UNKNOWN
,
343 [PA_CHANNEL_POSITION_AUX2
] = SND_MIXER_SCHN_UNKNOWN
,
344 [PA_CHANNEL_POSITION_AUX3
] = SND_MIXER_SCHN_UNKNOWN
,
345 [PA_CHANNEL_POSITION_AUX4
] = SND_MIXER_SCHN_UNKNOWN
,
346 [PA_CHANNEL_POSITION_AUX5
] = SND_MIXER_SCHN_UNKNOWN
,
347 [PA_CHANNEL_POSITION_AUX6
] = SND_MIXER_SCHN_UNKNOWN
,
348 [PA_CHANNEL_POSITION_AUX7
] = SND_MIXER_SCHN_UNKNOWN
,
349 [PA_CHANNEL_POSITION_AUX8
] = SND_MIXER_SCHN_UNKNOWN
,
350 [PA_CHANNEL_POSITION_AUX9
] = SND_MIXER_SCHN_UNKNOWN
,
351 [PA_CHANNEL_POSITION_AUX10
] = SND_MIXER_SCHN_UNKNOWN
,
352 [PA_CHANNEL_POSITION_AUX11
] = SND_MIXER_SCHN_UNKNOWN
,
353 [PA_CHANNEL_POSITION_AUX12
] = SND_MIXER_SCHN_UNKNOWN
,
354 [PA_CHANNEL_POSITION_AUX13
] = SND_MIXER_SCHN_UNKNOWN
,
355 [PA_CHANNEL_POSITION_AUX14
] = SND_MIXER_SCHN_UNKNOWN
,
356 [PA_CHANNEL_POSITION_AUX15
] = SND_MIXER_SCHN_UNKNOWN
,
357 [PA_CHANNEL_POSITION_AUX16
] = SND_MIXER_SCHN_UNKNOWN
,
358 [PA_CHANNEL_POSITION_AUX17
] = SND_MIXER_SCHN_UNKNOWN
,
359 [PA_CHANNEL_POSITION_AUX18
] = SND_MIXER_SCHN_UNKNOWN
,
360 [PA_CHANNEL_POSITION_AUX19
] = SND_MIXER_SCHN_UNKNOWN
,
361 [PA_CHANNEL_POSITION_AUX20
] = SND_MIXER_SCHN_UNKNOWN
,
362 [PA_CHANNEL_POSITION_AUX21
] = SND_MIXER_SCHN_UNKNOWN
,
363 [PA_CHANNEL_POSITION_AUX22
] = SND_MIXER_SCHN_UNKNOWN
,
364 [PA_CHANNEL_POSITION_AUX23
] = SND_MIXER_SCHN_UNKNOWN
,
365 [PA_CHANNEL_POSITION_AUX24
] = SND_MIXER_SCHN_UNKNOWN
,
366 [PA_CHANNEL_POSITION_AUX25
] = SND_MIXER_SCHN_UNKNOWN
,
367 [PA_CHANNEL_POSITION_AUX26
] = SND_MIXER_SCHN_UNKNOWN
,
368 [PA_CHANNEL_POSITION_AUX27
] = SND_MIXER_SCHN_UNKNOWN
,
369 [PA_CHANNEL_POSITION_AUX28
] = SND_MIXER_SCHN_UNKNOWN
,
370 [PA_CHANNEL_POSITION_AUX29
] = SND_MIXER_SCHN_UNKNOWN
,
371 [PA_CHANNEL_POSITION_AUX30
] = SND_MIXER_SCHN_UNKNOWN
,
372 [PA_CHANNEL_POSITION_AUX31
] = SND_MIXER_SCHN_UNKNOWN
,
374 [PA_CHANNEL_POSITION_TOP_CENTER
] = SND_MIXER_SCHN_UNKNOWN
,
376 [PA_CHANNEL_POSITION_TOP_FRONT_CENTER
] = SND_MIXER_SCHN_UNKNOWN
,
377 [PA_CHANNEL_POSITION_TOP_FRONT_LEFT
] = SND_MIXER_SCHN_UNKNOWN
,
378 [PA_CHANNEL_POSITION_TOP_FRONT_RIGHT
] = SND_MIXER_SCHN_UNKNOWN
,
380 [PA_CHANNEL_POSITION_TOP_REAR_CENTER
] = SND_MIXER_SCHN_UNKNOWN
,
381 [PA_CHANNEL_POSITION_TOP_REAR_LEFT
] = SND_MIXER_SCHN_UNKNOWN
,
382 [PA_CHANNEL_POSITION_TOP_REAR_RIGHT
] = SND_MIXER_SCHN_UNKNOWN
385 static void setting_free(pa_alsa_setting
*s
) {
389 pa_idxset_free(s
->options
, NULL
, NULL
);
392 pa_xfree(s
->description
);
396 static void option_free(pa_alsa_option
*o
) {
399 pa_xfree(o
->alsa_name
);
401 pa_xfree(o
->description
);
405 static void element_free(pa_alsa_element
*e
) {
409 while ((o
= e
->options
)) {
410 PA_LLIST_REMOVE(pa_alsa_option
, e
->options
, o
);
414 pa_xfree(e
->alsa_name
);
418 void pa_alsa_path_free(pa_alsa_path
*p
) {
424 while ((e
= p
->elements
)) {
425 PA_LLIST_REMOVE(pa_alsa_element
, p
->elements
, e
);
429 while ((s
= p
->settings
)) {
430 PA_LLIST_REMOVE(pa_alsa_setting
, p
->settings
, s
);
435 pa_xfree(p
->description
);
439 void pa_alsa_path_set_free(pa_alsa_path_set
*ps
) {
443 while ((p
= ps
->paths
)) {
444 PA_LLIST_REMOVE(pa_alsa_path
, ps
->paths
, p
);
445 pa_alsa_path_free(p
);
451 static long to_alsa_dB(pa_volume_t v
) {
452 return (long) (pa_sw_volume_to_dB(v
) * 100.0);
455 static pa_volume_t
from_alsa_dB(long v
) {
456 return pa_sw_volume_from_dB((double) v
/ 100.0);
459 static long to_alsa_volume(pa_volume_t v
, long min
, long max
) {
462 w
= (long) round(((double) v
* (double) (max
- min
)) / PA_VOLUME_NORM
) + min
;
463 return PA_CLAMP_UNLIKELY(w
, min
, max
);
466 static pa_volume_t
from_alsa_volume(long v
, long min
, long max
) {
467 return (pa_volume_t
) round(((double) (v
- min
) * PA_VOLUME_NORM
) / (double) (max
- min
));
470 #define SELEM_INIT(sid, name) \
472 snd_mixer_selem_id_alloca(&(sid)); \
473 snd_mixer_selem_id_set_name((sid), (name)); \
474 snd_mixer_selem_id_set_index((sid), 0); \
477 static int element_get_volume(pa_alsa_element
*e
, snd_mixer_t
*m
, const pa_channel_map
*cm
, pa_cvolume
*v
) {
478 snd_mixer_selem_id_t
*sid
;
479 snd_mixer_elem_t
*me
;
480 snd_mixer_selem_channel_id_t c
;
481 pa_channel_position_mask_t mask
= 0;
489 SELEM_INIT(sid
, e
->alsa_name
);
490 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
491 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
495 pa_cvolume_mute(v
, cm
->channels
);
497 /* We take the highest volume of all channels that match */
499 for (c
= 0; c
<= SND_MIXER_SCHN_LAST
; c
++) {
506 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
507 if (snd_mixer_selem_has_playback_channel(me
, c
))
508 r
= snd_mixer_selem_get_playback_dB(me
, c
, &value
);
512 if (snd_mixer_selem_has_capture_channel(me
, c
))
513 r
= snd_mixer_selem_get_capture_dB(me
, c
, &value
);
521 #ifdef HAVE_VALGRIND_MEMCHECK_H
522 VALGRIND_MAKE_MEM_DEFINED(&value
, sizeof(value
));
525 f
= from_alsa_dB(value
);
530 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
531 if (snd_mixer_selem_has_playback_channel(me
, c
))
532 r
= snd_mixer_selem_get_playback_volume(me
, c
, &value
);
536 if (snd_mixer_selem_has_capture_channel(me
, c
))
537 r
= snd_mixer_selem_get_capture_volume(me
, c
, &value
);
545 f
= from_alsa_volume(value
, e
->min_volume
, e
->max_volume
);
548 for (k
= 0; k
< cm
->channels
; k
++)
549 if (e
->masks
[c
][e
->n_channels
-1] & PA_CHANNEL_POSITION_MASK(cm
->map
[k
]))
550 if (v
->values
[k
] < f
)
553 mask
|= e
->masks
[c
][e
->n_channels
-1];
556 for (k
= 0; k
< cm
->channels
; k
++)
557 if (!(mask
& PA_CHANNEL_POSITION_MASK(cm
->map
[k
])))
558 v
->values
[k
] = PA_VOLUME_NORM
;
563 int pa_alsa_path_get_volume(pa_alsa_path
*p
, snd_mixer_t
*m
, const pa_channel_map
*cm
, pa_cvolume
*v
) {
574 pa_cvolume_reset(v
, cm
->channels
);
576 PA_LLIST_FOREACH(e
, p
->elements
) {
579 if (e
->volume_use
!= PA_ALSA_VOLUME_MERGE
)
582 pa_assert(!p
->has_dB
|| e
->has_dB
);
584 if (element_get_volume(e
, m
, cm
, &ev
) < 0)
587 /* If we have no dB information all we can do is take the first element and leave */
593 pa_sw_cvolume_multiply(v
, v
, &ev
);
599 static int element_get_switch(pa_alsa_element
*e
, snd_mixer_t
*m
, pa_bool_t
*b
) {
600 snd_mixer_selem_id_t
*sid
;
601 snd_mixer_elem_t
*me
;
602 snd_mixer_selem_channel_id_t c
;
608 SELEM_INIT(sid
, e
->alsa_name
);
609 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
610 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
614 /* We return muted if at least one channel is muted */
616 for (c
= 0; c
<= SND_MIXER_SCHN_LAST
; c
++) {
620 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
621 if (snd_mixer_selem_has_playback_channel(me
, c
))
622 r
= snd_mixer_selem_get_playback_switch(me
, c
, &value
);
626 if (snd_mixer_selem_has_capture_channel(me
, c
))
627 r
= snd_mixer_selem_get_capture_switch(me
, c
, &value
);
645 int pa_alsa_path_get_mute(pa_alsa_path
*p
, snd_mixer_t
*m
, pa_bool_t
*muted
) {
655 PA_LLIST_FOREACH(e
, p
->elements
) {
658 if (e
->switch_use
!= PA_ALSA_SWITCH_MUTE
)
661 if (element_get_switch(e
, m
, &b
) < 0)
674 static int element_set_volume(pa_alsa_element
*e
, snd_mixer_t
*m
, const pa_channel_map
*cm
, pa_cvolume
*v
) {
675 snd_mixer_selem_id_t
*sid
;
677 snd_mixer_elem_t
*me
;
678 snd_mixer_selem_channel_id_t c
;
679 pa_channel_position_mask_t mask
= 0;
686 pa_assert(pa_cvolume_compatible_with_channel_map(v
, cm
));
688 SELEM_INIT(sid
, e
->alsa_name
);
689 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
690 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
694 pa_cvolume_mute(&rv
, cm
->channels
);
696 for (c
= 0; c
<= SND_MIXER_SCHN_LAST
; c
++) {
698 pa_volume_t f
= PA_VOLUME_MUTED
;
699 pa_bool_t found
= FALSE
;
701 for (k
= 0; k
< cm
->channels
; k
++)
702 if (e
->masks
[c
][e
->n_channels
-1] & PA_CHANNEL_POSITION_MASK(cm
->map
[k
])) {
704 if (v
->values
[k
] > f
)
709 /* Hmm, so this channel does not exist in the volume
710 * struct, so let's bind it to the overall max of the
712 f
= pa_cvolume_max(v
);
716 long value
= to_alsa_dB(f
);
718 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
719 /* If we call set_play_volume() without checking first
720 * if the channel is available, ALSA behaves ver
721 * strangely and doesn't fail the call */
722 if (snd_mixer_selem_has_playback_channel(me
, c
)) {
723 if ((r
= snd_mixer_selem_set_playback_dB(me
, c
, value
, +1)) >= 0)
724 r
= snd_mixer_selem_get_playback_dB(me
, c
, &value
);
728 if (snd_mixer_selem_has_capture_channel(me
, c
)) {
729 if ((r
= snd_mixer_selem_set_capture_dB(me
, c
, value
, +1)) >= 0)
730 r
= snd_mixer_selem_get_capture_dB(me
, c
, &value
);
738 #ifdef HAVE_VALGRIND_MEMCHECK_H
739 VALGRIND_MAKE_MEM_DEFINED(&value
, sizeof(value
));
742 f
= from_alsa_dB(value
);
747 value
= to_alsa_volume(f
, e
->min_volume
, e
->max_volume
);
749 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
750 if (snd_mixer_selem_has_playback_channel(me
, c
)) {
751 if ((r
= snd_mixer_selem_set_playback_volume(me
, c
, value
)) >= 0)
752 r
= snd_mixer_selem_get_playback_volume(me
, c
, &value
);
756 if (snd_mixer_selem_has_capture_channel(me
, c
)) {
757 if ((r
= snd_mixer_selem_set_capture_volume(me
, c
, value
)) >= 0)
758 r
= snd_mixer_selem_get_capture_volume(me
, c
, &value
);
766 f
= from_alsa_volume(value
, e
->min_volume
, e
->max_volume
);
769 for (k
= 0; k
< cm
->channels
; k
++)
770 if (e
->masks
[c
][e
->n_channels
-1] & PA_CHANNEL_POSITION_MASK(cm
->map
[k
]))
771 if (rv
.values
[k
] < f
)
774 mask
|= e
->masks
[c
][e
->n_channels
-1];
777 for (k
= 0; k
< cm
->channels
; k
++)
778 if (!(mask
& PA_CHANNEL_POSITION_MASK(cm
->map
[k
])))
779 rv
.values
[k
] = PA_VOLUME_NORM
;
785 int pa_alsa_path_set_volume(pa_alsa_path
*p
, snd_mixer_t
*m
, const pa_channel_map
*cm
, pa_cvolume
*v
) {
793 pa_assert(pa_cvolume_compatible_with_channel_map(v
, cm
));
798 rv
= *v
; /* Remaining adjustment */
799 pa_cvolume_reset(v
, cm
->channels
); /* Adjustment done */
801 PA_LLIST_FOREACH(e
, p
->elements
) {
804 if (e
->volume_use
!= PA_ALSA_VOLUME_MERGE
)
807 pa_assert(!p
->has_dB
|| e
->has_dB
);
810 if (element_set_volume(e
, m
, cm
, &ev
) < 0)
818 pa_sw_cvolume_multiply(v
, v
, &ev
);
819 pa_sw_cvolume_divide(&rv
, &rv
, &ev
);
825 static int element_set_switch(pa_alsa_element
*e
, snd_mixer_t
*m
, pa_bool_t b
) {
826 snd_mixer_elem_t
*me
;
827 snd_mixer_selem_id_t
*sid
;
833 SELEM_INIT(sid
, e
->alsa_name
);
834 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
835 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
839 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
840 r
= snd_mixer_selem_set_playback_switch_all(me
, b
);
842 r
= snd_mixer_selem_set_capture_switch_all(me
, b
);
845 pa_log_warn("Failed to set switch of %s: %s", e
->alsa_name
, pa_alsa_strerror(errno
));
850 int pa_alsa_path_set_mute(pa_alsa_path
*p
, snd_mixer_t
*m
, pa_bool_t muted
) {
859 PA_LLIST_FOREACH(e
, p
->elements
) {
861 if (e
->switch_use
!= PA_ALSA_SWITCH_MUTE
)
864 if (element_set_switch(e
, m
, !muted
) < 0)
871 static int element_mute_volume(pa_alsa_element
*e
, snd_mixer_t
*m
) {
872 snd_mixer_elem_t
*me
;
873 snd_mixer_selem_id_t
*sid
;
879 SELEM_INIT(sid
, e
->alsa_name
);
880 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
881 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
885 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
886 r
= snd_mixer_selem_set_playback_volume_all(me
, e
->min_volume
);
888 r
= snd_mixer_selem_set_capture_volume_all(me
, e
->min_volume
);
891 pa_log_warn("Faile to set volume to muted of %s: %s", e
->alsa_name
, pa_alsa_strerror(errno
));
896 /* The volume to 0dB */
897 static int element_zero_volume(pa_alsa_element
*e
, snd_mixer_t
*m
) {
898 snd_mixer_elem_t
*me
;
899 snd_mixer_selem_id_t
*sid
;
905 SELEM_INIT(sid
, e
->alsa_name
);
906 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
907 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
911 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
912 r
= snd_mixer_selem_set_playback_dB_all(me
, 0, +1);
914 r
= snd_mixer_selem_set_capture_dB_all(me
, 0, +1);
917 pa_log_warn("Faile to set volume to 0dB of %s: %s", e
->alsa_name
, pa_alsa_strerror(errno
));
922 int pa_alsa_path_select(pa_alsa_path
*p
, snd_mixer_t
*m
) {
929 pa_log_debug("Activating path %s", p
->name
);
930 pa_alsa_path_dump(p
);
932 PA_LLIST_FOREACH(e
, p
->elements
) {
934 switch (e
->switch_use
) {
935 case PA_ALSA_SWITCH_OFF
:
936 r
= element_set_switch(e
, m
, FALSE
);
939 case PA_ALSA_SWITCH_ON
:
940 r
= element_set_switch(e
, m
, TRUE
);
943 case PA_ALSA_SWITCH_MUTE
:
944 case PA_ALSA_SWITCH_IGNORE
:
945 case PA_ALSA_SWITCH_SELECT
:
953 switch (e
->volume_use
) {
954 case PA_ALSA_VOLUME_OFF
:
955 r
= element_mute_volume(e
, m
);
958 case PA_ALSA_VOLUME_ZERO
:
959 r
= element_zero_volume(e
, m
);
962 case PA_ALSA_VOLUME_MERGE
:
963 case PA_ALSA_VOLUME_IGNORE
:
975 static int check_required(pa_alsa_element
*e
, snd_mixer_elem_t
*me
) {
976 pa_bool_t has_switch
;
977 pa_bool_t has_enumeration
;
978 pa_bool_t has_volume
;
983 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
985 snd_mixer_selem_has_playback_switch(me
) ||
986 (e
->direction_try_other
&& snd_mixer_selem_has_capture_switch(me
));
989 snd_mixer_selem_has_capture_switch(me
) ||
990 (e
->direction_try_other
&& snd_mixer_selem_has_playback_switch(me
));
993 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
995 snd_mixer_selem_has_playback_volume(me
) ||
996 (e
->direction_try_other
&& snd_mixer_selem_has_capture_volume(me
));
999 snd_mixer_selem_has_capture_volume(me
) ||
1000 (e
->direction_try_other
&& snd_mixer_selem_has_playback_volume(me
));
1003 has_enumeration
= snd_mixer_selem_is_enumerated(me
);
1005 if ((e
->required
== PA_ALSA_REQUIRED_SWITCH
&& !has_switch
) ||
1006 (e
->required
== PA_ALSA_REQUIRED_VOLUME
&& !has_volume
) ||
1007 (e
->required
== PA_ALSA_REQUIRED_ENUMERATION
&& !has_enumeration
))
1010 if (e
->required
== PA_ALSA_REQUIRED_ANY
&& !(has_switch
|| has_volume
|| has_enumeration
))
1013 if ((e
->required_absent
== PA_ALSA_REQUIRED_SWITCH
&& has_switch
) ||
1014 (e
->required_absent
== PA_ALSA_REQUIRED_VOLUME
&& has_volume
) ||
1015 (e
->required_absent
== PA_ALSA_REQUIRED_ENUMERATION
&& has_enumeration
))
1018 if (e
->required_absent
== PA_ALSA_REQUIRED_ANY
&& (has_switch
|| has_volume
|| has_enumeration
))
1024 static int element_probe(pa_alsa_element
*e
, snd_mixer_t
*m
) {
1025 snd_mixer_selem_id_t
*sid
;
1026 snd_mixer_elem_t
*me
;
1031 SELEM_INIT(sid
, e
->alsa_name
);
1033 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
1035 if (e
->required
!= PA_ALSA_REQUIRED_IGNORE
)
1038 e
->switch_use
= PA_ALSA_SWITCH_IGNORE
;
1039 e
->volume_use
= PA_ALSA_VOLUME_IGNORE
;
1040 e
->enumeration_use
= PA_ALSA_VOLUME_IGNORE
;
1045 if (e
->switch_use
!= PA_ALSA_SWITCH_IGNORE
) {
1046 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
1048 if (!snd_mixer_selem_has_playback_switch(me
)) {
1049 if (e
->direction_try_other
&& snd_mixer_selem_has_capture_switch(me
))
1050 e
->direction
= PA_ALSA_DIRECTION_INPUT
;
1052 e
->switch_use
= PA_ALSA_SWITCH_IGNORE
;
1057 if (!snd_mixer_selem_has_capture_switch(me
)) {
1058 if (e
->direction_try_other
&& snd_mixer_selem_has_playback_switch(me
))
1059 e
->direction
= PA_ALSA_DIRECTION_OUTPUT
;
1061 e
->switch_use
= PA_ALSA_SWITCH_IGNORE
;
1065 if (e
->switch_use
!= PA_ALSA_SWITCH_IGNORE
)
1066 e
->direction_try_other
= FALSE
;
1069 if (e
->volume_use
!= PA_ALSA_VOLUME_IGNORE
) {
1071 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
1073 if (!snd_mixer_selem_has_playback_volume(me
)) {
1074 if (e
->direction_try_other
&& snd_mixer_selem_has_capture_volume(me
))
1075 e
->direction
= PA_ALSA_DIRECTION_INPUT
;
1077 e
->volume_use
= PA_ALSA_VOLUME_IGNORE
;
1082 if (!snd_mixer_selem_has_capture_volume(me
)) {
1083 if (e
->direction_try_other
&& snd_mixer_selem_has_playback_volume(me
))
1084 e
->direction
= PA_ALSA_DIRECTION_OUTPUT
;
1086 e
->volume_use
= PA_ALSA_VOLUME_IGNORE
;
1090 if (e
->volume_use
!= PA_ALSA_VOLUME_IGNORE
) {
1091 long min_dB
= 0, max_dB
= 0;
1094 e
->direction_try_other
= FALSE
;
1096 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
1097 e
->has_dB
= snd_mixer_selem_get_playback_dB_range(me
, &min_dB
, &max_dB
) >= 0;
1099 e
->has_dB
= snd_mixer_selem_get_capture_dB_range(me
, &min_dB
, &max_dB
) >= 0;
1102 #ifdef HAVE_VALGRIND_MEMCHECK_H
1103 VALGRIND_MAKE_MEM_DEFINED(&min_dB
, sizeof(min_dB
));
1104 VALGRIND_MAKE_MEM_DEFINED(&max_dB
, sizeof(max_dB
));
1107 e
->min_dB
= ((double) min_dB
) / 100.0;
1108 e
->max_dB
= ((double) max_dB
) / 100.0;
1110 if (min_dB
>= max_dB
) {
1111 pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", e
->min_dB
, e
->max_dB
);
1116 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
1117 r
= snd_mixer_selem_get_playback_volume_range(me
, &e
->min_volume
, &e
->max_volume
);
1119 r
= snd_mixer_selem_get_capture_volume_range(me
, &e
->min_volume
, &e
->max_volume
);
1122 pa_log_warn("Failed to get volume range of %s: %s", e
->alsa_name
, pa_alsa_strerror(r
));
1127 if (e
->min_volume
>= e
->max_volume
) {
1128 pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", e
->min_volume
, e
->max_volume
);
1129 e
->volume_use
= PA_ALSA_VOLUME_IGNORE
;
1133 pa_channel_position_t p
;
1135 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
1136 is_mono
= snd_mixer_selem_is_playback_mono(me
) > 0;
1138 is_mono
= snd_mixer_selem_is_capture_mono(me
) > 0;
1143 if (!e
->override_map
) {
1144 for (p
= PA_CHANNEL_POSITION_FRONT_LEFT
; p
< PA_CHANNEL_POSITION_MAX
; p
++)
1145 e
->masks
[alsa_channel_ids
[p
]][e
->n_channels
-1] = 0;
1146 e
->masks
[SND_MIXER_SCHN_MONO
][e
->n_channels
-1] = PA_CHANNEL_POSITION_MASK_ALL
;
1149 e
->merged_mask
= e
->masks
[SND_MIXER_SCHN_MONO
][e
->n_channels
-1];
1152 for (p
= PA_CHANNEL_POSITION_FRONT_LEFT
; p
< PA_CHANNEL_POSITION_MAX
; p
++) {
1154 if (alsa_channel_ids
[p
] == SND_MIXER_SCHN_UNKNOWN
)
1157 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
1158 e
->n_channels
+= snd_mixer_selem_has_playback_channel(me
, alsa_channel_ids
[p
]) > 0;
1160 e
->n_channels
+= snd_mixer_selem_has_capture_channel(me
, alsa_channel_ids
[p
]) > 0;
1163 if (e
->n_channels
<= 0) {
1164 pa_log_warn("Volume element %s with no channels?", e
->alsa_name
);
1168 if (!e
->override_map
) {
1169 for (p
= PA_CHANNEL_POSITION_FRONT_LEFT
; p
< PA_CHANNEL_POSITION_MAX
; p
++) {
1170 pa_bool_t has_channel
;
1172 if (alsa_channel_ids
[p
] == SND_MIXER_SCHN_UNKNOWN
)
1175 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
1176 has_channel
= snd_mixer_selem_has_playback_channel(me
, alsa_channel_ids
[p
]) > 0;
1178 has_channel
= snd_mixer_selem_has_capture_channel(me
, alsa_channel_ids
[p
]) > 0;
1180 e
->masks
[alsa_channel_ids
[p
]][e
->n_channels
-1] = has_channel
? PA_CHANNEL_POSITION_MASK(p
) : 0;
1185 for (p
= PA_CHANNEL_POSITION_FRONT_LEFT
; p
< PA_CHANNEL_POSITION_MAX
; p
++)
1186 e
->merged_mask
|= e
->masks
[alsa_channel_ids
[p
]][e
->n_channels
-1];
1193 if (check_required(e
, me
) < 0)
1196 if (e
->switch_use
== PA_ALSA_SWITCH_SELECT
) {
1199 PA_LLIST_FOREACH(o
, e
->options
)
1200 o
->alsa_idx
= pa_streq(o
->alsa_name
, "on") ? 1 : 0;
1201 } else if (e
->enumeration_use
== PA_ALSA_ENUMERATION_SELECT
) {
1205 if ((n
= snd_mixer_selem_get_enum_items(me
)) < 0) {
1206 pa_log("snd_mixer_selem_get_enum_items() failed: %s", pa_alsa_strerror(n
));
1210 PA_LLIST_FOREACH(o
, e
->options
) {
1213 for (i
= 0; i
< n
; i
++) {
1216 if (snd_mixer_selem_get_enum_item_name(me
, i
, sizeof(buf
), buf
) < 0)
1219 if (!pa_streq(buf
, o
->alsa_name
))
1230 static pa_alsa_element
* element_get(pa_alsa_path
*p
, const char *section
, pa_bool_t prefixed
) {
1237 if (!pa_startswith(section
, "Element "))
1243 /* This is not an element section, but an enum section? */
1244 if (strchr(section
, ':'))
1247 if (p
->last_element
&& pa_streq(p
->last_element
->alsa_name
, section
))
1248 return p
->last_element
;
1250 PA_LLIST_FOREACH(e
, p
->elements
)
1251 if (pa_streq(e
->alsa_name
, section
))
1254 e
= pa_xnew0(pa_alsa_element
, 1);
1256 e
->alsa_name
= pa_xstrdup(section
);
1257 e
->direction
= p
->direction
;
1259 PA_LLIST_INSERT_AFTER(pa_alsa_element
, p
->elements
, p
->last_element
, e
);
1262 p
->last_element
= e
;
1266 static pa_alsa_option
* option_get(pa_alsa_path
*p
, const char *section
) {
1272 if (!pa_startswith(section
, "Option "))
1277 /* This is not an enum section, but an element section? */
1278 if (!(on
= strchr(section
, ':')))
1281 en
= pa_xstrndup(section
, on
- section
);
1284 if (p
->last_option
&&
1285 pa_streq(p
->last_option
->element
->alsa_name
, en
) &&
1286 pa_streq(p
->last_option
->alsa_name
, on
)) {
1288 return p
->last_option
;
1291 pa_assert_se(e
= element_get(p
, en
, FALSE
));
1294 PA_LLIST_FOREACH(o
, e
->options
)
1295 if (pa_streq(o
->alsa_name
, on
))
1298 o
= pa_xnew0(pa_alsa_option
, 1);
1300 o
->alsa_name
= pa_xstrdup(on
);
1303 if (p
->last_option
&& p
->last_option
->element
== e
)
1304 PA_LLIST_INSERT_AFTER(pa_alsa_option
, e
->options
, p
->last_option
, o
);
1306 PA_LLIST_PREPEND(pa_alsa_option
, e
->options
, o
);
1313 static int element_parse_switch(
1314 const char *filename
,
1316 const char *section
,
1322 pa_alsa_path
*p
= userdata
;
1327 if (!(e
= element_get(p
, section
, TRUE
))) {
1328 pa_log("[%s:%u] Switch makes no sense in '%s'", filename
, line
, section
);
1332 if (pa_streq(rvalue
, "ignore"))
1333 e
->switch_use
= PA_ALSA_SWITCH_IGNORE
;
1334 else if (pa_streq(rvalue
, "mute"))
1335 e
->switch_use
= PA_ALSA_SWITCH_MUTE
;
1336 else if (pa_streq(rvalue
, "off"))
1337 e
->switch_use
= PA_ALSA_SWITCH_OFF
;
1338 else if (pa_streq(rvalue
, "on"))
1339 e
->switch_use
= PA_ALSA_SWITCH_ON
;
1340 else if (pa_streq(rvalue
, "select"))
1341 e
->switch_use
= PA_ALSA_SWITCH_SELECT
;
1343 pa_log("[%s:%u] Switch invalid of '%s'", filename
, line
, section
);
1350 static int element_parse_volume(
1351 const char *filename
,
1353 const char *section
,
1359 pa_alsa_path
*p
= userdata
;
1364 if (!(e
= element_get(p
, section
, TRUE
))) {
1365 pa_log("[%s:%u] Volume makes no sense in '%s'", filename
, line
, section
);
1369 if (pa_streq(rvalue
, "ignore"))
1370 e
->volume_use
= PA_ALSA_VOLUME_IGNORE
;
1371 else if (pa_streq(rvalue
, "merge"))
1372 e
->volume_use
= PA_ALSA_VOLUME_MERGE
;
1373 else if (pa_streq(rvalue
, "off"))
1374 e
->volume_use
= PA_ALSA_VOLUME_OFF
;
1375 else if (pa_streq(rvalue
, "zero"))
1376 e
->volume_use
= PA_ALSA_VOLUME_ZERO
;
1378 pa_log("[%s:%u] Volume invalid of '%s'", filename
, line
, section
);
1385 static int element_parse_enumeration(
1386 const char *filename
,
1388 const char *section
,
1394 pa_alsa_path
*p
= userdata
;
1399 if (!(e
= element_get(p
, section
, TRUE
))) {
1400 pa_log("[%s:%u] Enumeration makes no sense in '%s'", filename
, line
, section
);
1404 if (pa_streq(rvalue
, "ignore"))
1405 e
->enumeration_use
= PA_ALSA_ENUMERATION_IGNORE
;
1406 else if (pa_streq(rvalue
, "select"))
1407 e
->enumeration_use
= PA_ALSA_ENUMERATION_SELECT
;
1409 pa_log("[%s:%u] Enumeration invalid of '%s'", filename
, line
, section
);
1416 static int option_parse_priority(
1417 const char *filename
,
1419 const char *section
,
1425 pa_alsa_path
*p
= userdata
;
1431 if (!(o
= option_get(p
, section
))) {
1432 pa_log("[%s:%u] Priority makes no sense in '%s'", filename
, line
, section
);
1436 if (pa_atou(rvalue
, &prio
) < 0) {
1437 pa_log("[%s:%u] Priority invalid of '%s'", filename
, line
, section
);
1445 static int option_parse_name(
1446 const char *filename
,
1448 const char *section
,
1454 pa_alsa_path
*p
= userdata
;
1459 if (!(o
= option_get(p
, section
))) {
1460 pa_log("[%s:%u] Name makes no sense in '%s'", filename
, line
, section
);
1465 o
->name
= pa_xstrdup(rvalue
);
1470 static int element_parse_required(
1471 const char *filename
,
1473 const char *section
,
1479 pa_alsa_path
*p
= userdata
;
1481 pa_alsa_required_t req
;
1485 if (!(e
= element_get(p
, section
, TRUE
))) {
1486 pa_log("[%s:%u] Required makes no sense in '%s'", filename
, line
, section
);
1490 if (pa_streq(rvalue
, "ignore"))
1491 req
= PA_ALSA_REQUIRED_IGNORE
;
1492 else if (pa_streq(rvalue
, "switch"))
1493 req
= PA_ALSA_REQUIRED_SWITCH
;
1494 else if (pa_streq(rvalue
, "volume"))
1495 req
= PA_ALSA_REQUIRED_VOLUME
;
1496 else if (pa_streq(rvalue
, "enumeration"))
1497 req
= PA_ALSA_REQUIRED_ENUMERATION
;
1498 else if (pa_streq(rvalue
, "any"))
1499 req
= PA_ALSA_REQUIRED_ANY
;
1501 pa_log("[%s:%u] Required invalid of '%s'", filename
, line
, section
);
1505 if (pa_streq(lvalue
, "required-absent"))
1506 e
->required_absent
= req
;
1513 static int element_parse_direction(
1514 const char *filename
,
1516 const char *section
,
1522 pa_alsa_path
*p
= userdata
;
1527 if (!(e
= element_get(p
, section
, TRUE
))) {
1528 pa_log("[%s:%u] Direction makes no sense in '%s'", filename
, line
, section
);
1532 if (pa_streq(rvalue
, "playback"))
1533 e
->direction
= PA_ALSA_DIRECTION_OUTPUT
;
1534 else if (pa_streq(rvalue
, "capture"))
1535 e
->direction
= PA_ALSA_DIRECTION_INPUT
;
1537 pa_log("[%s:%u] Direction invalid of '%s'", filename
, line
, section
);
1544 static int element_parse_direction_try_other(
1545 const char *filename
,
1547 const char *section
,
1553 pa_alsa_path
*p
= userdata
;
1557 if (!(e
= element_get(p
, section
, TRUE
))) {
1558 pa_log("[%s:%u] Direction makes no sense in '%s'", filename
, line
, section
);
1562 if ((yes
= pa_parse_boolean(rvalue
)) < 0) {
1563 pa_log("[%s:%u] Direction invalid of '%s'", filename
, line
, section
);
1567 e
->direction_try_other
= !!yes
;
1571 static pa_channel_position_mask_t
parse_mask(const char *m
) {
1572 pa_channel_position_mask_t v
;
1574 if (pa_streq(m
, "all-left"))
1575 v
= PA_CHANNEL_POSITION_MASK_LEFT
;
1576 else if (pa_streq(m
, "all-right"))
1577 v
= PA_CHANNEL_POSITION_MASK_RIGHT
;
1578 else if (pa_streq(m
, "all-center"))
1579 v
= PA_CHANNEL_POSITION_MASK_CENTER
;
1580 else if (pa_streq(m
, "all-front"))
1581 v
= PA_CHANNEL_POSITION_MASK_FRONT
;
1582 else if (pa_streq(m
, "all-rear"))
1583 v
= PA_CHANNEL_POSITION_MASK_REAR
;
1584 else if (pa_streq(m
, "all-side"))
1585 v
= PA_CHANNEL_POSITION_MASK_SIDE_OR_TOP_CENTER
;
1586 else if (pa_streq(m
, "all-top"))
1587 v
= PA_CHANNEL_POSITION_MASK_TOP
;
1588 else if (pa_streq(m
, "all-no-lfe"))
1589 v
= PA_CHANNEL_POSITION_MASK_ALL
^ PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_LFE
);
1590 else if (pa_streq(m
, "all"))
1591 v
= PA_CHANNEL_POSITION_MASK_ALL
;
1593 pa_channel_position_t p
;
1595 if ((p
= pa_channel_position_from_string(m
)) == PA_CHANNEL_POSITION_INVALID
)
1598 v
= PA_CHANNEL_POSITION_MASK(p
);
1604 static int element_parse_override_map(
1605 const char *filename
,
1607 const char *section
,
1613 pa_alsa_path
*p
= userdata
;
1615 const char *state
= NULL
;
1619 if (!(e
= element_get(p
, section
, TRUE
))) {
1620 pa_log("[%s:%u] Override map makes no sense in '%s'", filename
, line
, section
);
1624 while ((n
= pa_split(rvalue
, ",", &state
))) {
1625 pa_channel_position_mask_t m
;
1630 if ((m
= parse_mask(n
)) == 0) {
1631 pa_log("[%s:%u] Override map '%s' invalid in '%s'", filename
, line
, n
, section
);
1637 if (pa_streq(lvalue
, "override-map.1"))
1638 e
->masks
[i
++][0] = m
;
1640 e
->masks
[i
++][1] = m
;
1642 /* Later on we might add override-map.3 and so on here ... */
1647 e
->override_map
= TRUE
;
1652 static int element_set_option(pa_alsa_element
*e
, snd_mixer_t
*m
, int alsa_idx
) {
1653 snd_mixer_selem_id_t
*sid
;
1654 snd_mixer_elem_t
*me
;
1660 SELEM_INIT(sid
, e
->alsa_name
);
1661 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
1662 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
1666 if (e
->switch_use
== PA_ALSA_SWITCH_SELECT
) {
1668 if (e
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
1669 r
= snd_mixer_selem_set_playback_switch_all(me
, alsa_idx
);
1671 r
= snd_mixer_selem_set_capture_switch_all(me
, alsa_idx
);
1674 pa_log_warn("Faile to set switch of %s: %s", e
->alsa_name
, pa_alsa_strerror(errno
));
1677 pa_assert(e
->enumeration_use
== PA_ALSA_ENUMERATION_SELECT
);
1679 if ((r
= snd_mixer_selem_set_enum_item(me
, 0, alsa_idx
)) < 0)
1680 pa_log_warn("Faile to set enumeration of %s: %s", e
->alsa_name
, pa_alsa_strerror(errno
));
1686 int pa_alsa_setting_select(pa_alsa_setting
*s
, snd_mixer_t
*m
) {
1693 PA_IDXSET_FOREACH(o
, s
->options
, idx
)
1694 element_set_option(o
->element
, m
, o
->alsa_idx
);
1699 static int option_verify(pa_alsa_option
*o
) {
1700 static const struct description_map well_known_descriptions
[] = {
1701 { "input", N_("Input") },
1702 { "input-docking", N_("Docking Station Input") },
1703 { "input-docking-microphone", N_("Docking Station Microphone") },
1704 { "input-linein", N_("Line-In") },
1705 { "input-microphone", N_("Microphone") },
1706 { "input-microphone-external", N_("External Microphone") },
1707 { "input-microphone-internal", N_("Internal Microphone") },
1708 { "input-radio", N_("Radio") },
1709 { "input-video", N_("Video") },
1710 { "input-agc-on", N_("Automatic Gain Control") },
1711 { "input-agc-off", "" },
1712 { "input-boost-on", N_("Boost") },
1713 { "input-boost-off", "" },
1714 { "output-amplifier-on", N_("Amplifier") },
1715 { "output-amplifier-off", "" }
1721 pa_log("No name set for option %s", o
->alsa_name
);
1725 if (o
->element
->enumeration_use
!= PA_ALSA_ENUMERATION_SELECT
&&
1726 o
->element
->switch_use
!= PA_ALSA_SWITCH_SELECT
) {
1727 pa_log("Element %s of option %s not set for select.", o
->element
->alsa_name
, o
->name
);
1731 if (o
->element
->switch_use
== PA_ALSA_SWITCH_SELECT
&&
1732 !pa_streq(o
->alsa_name
, "on") &&
1733 !pa_streq(o
->alsa_name
, "off")) {
1734 pa_log("Switch %s options need be named off or on ", o
->element
->alsa_name
);
1738 if (!o
->description
)
1739 o
->description
= pa_xstrdup(lookup_description(o
->name
,
1740 well_known_descriptions
,
1741 PA_ELEMENTSOF(well_known_descriptions
)));
1742 if (!o
->description
)
1743 o
->description
= pa_xstrdup(o
->name
);
1748 static int element_verify(pa_alsa_element
*e
) {
1753 if ((e
->required
!= PA_ALSA_REQUIRED_IGNORE
&& e
->required
== e
->required_absent
) ||
1754 (e
->required_absent
== PA_ALSA_REQUIRED_ANY
&& e
->required
!= PA_ALSA_REQUIRED_IGNORE
)) {
1755 pa_log("Element %s cannot be required and absent at the same time.", e
->alsa_name
);
1759 if (e
->switch_use
== PA_ALSA_SWITCH_SELECT
&& e
->enumeration_use
== PA_ALSA_ENUMERATION_SELECT
) {
1760 pa_log("Element %s cannot set select for both switch and enumeration.", e
->alsa_name
);
1764 PA_LLIST_FOREACH(o
, e
->options
)
1765 if (option_verify(o
) < 0)
1771 static int path_verify(pa_alsa_path
*p
) {
1772 static const struct description_map well_known_descriptions
[] = {
1773 { "analog-input", N_("Analog Input") },
1774 { "analog-input-microphone", N_("Analog Microphone") },
1775 { "analog-input-linein", N_("Analog Line-In") },
1776 { "analog-input-radio", N_("Analog Radio") },
1777 { "analog-input-video", N_("Analog Video") },
1778 { "analog-output", N_("Analog Output") },
1779 { "analog-output-headphones", N_("Analog Headphones") },
1780 { "analog-output-lfe-on-mono", N_("Analog Output (LFE)") },
1781 { "analog-output-mono", N_("Analog Mono Output") }
1788 PA_LLIST_FOREACH(e
, p
->elements
)
1789 if (element_verify(e
) < 0)
1792 if (!p
->description
)
1793 p
->description
= pa_xstrdup(lookup_description(p
->name
,
1794 well_known_descriptions
,
1795 PA_ELEMENTSOF(well_known_descriptions
)));
1797 if (!p
->description
)
1798 p
->description
= pa_xstrdup(p
->name
);
1803 pa_alsa_path
* pa_alsa_path_new(const char *fname
, pa_alsa_direction_t direction
) {
1809 pa_config_item items
[] = {
1811 { "priority", pa_config_parse_unsigned
, NULL
, "General" },
1812 { "description", pa_config_parse_string
, NULL
, "General" },
1813 { "name", pa_config_parse_string
, NULL
, "General" },
1816 { "priority", option_parse_priority
, NULL
, NULL
},
1817 { "name", option_parse_name
, NULL
, NULL
},
1820 { "switch", element_parse_switch
, NULL
, NULL
},
1821 { "volume", element_parse_volume
, NULL
, NULL
},
1822 { "enumeration", element_parse_enumeration
, NULL
, NULL
},
1823 { "override-map.1", element_parse_override_map
, NULL
, NULL
},
1824 { "override-map.2", element_parse_override_map
, NULL
, NULL
},
1825 /* ... later on we might add override-map.3 and so on here ... */
1826 { "required", element_parse_required
, NULL
, NULL
},
1827 { "required-absent", element_parse_required
, NULL
, NULL
},
1828 { "direction", element_parse_direction
, NULL
, NULL
},
1829 { "direction-try-other", element_parse_direction_try_other
, NULL
, NULL
},
1830 { NULL
, NULL
, NULL
, NULL
}
1835 p
= pa_xnew0(pa_alsa_path
, 1);
1836 n
= pa_path_get_filename(fname
);
1837 p
->name
= pa_xstrndup(n
, strcspn(n
, "."));
1838 p
->direction
= direction
;
1840 items
[0].data
= &p
->priority
;
1841 items
[1].data
= &p
->description
;
1842 items
[2].data
= &p
->name
;
1844 fn
= pa_maybe_prefix_path(fname
,
1845 #if defined(__linux__) && !defined(__OPTIMIZE__)
1846 pa_run_from_build_tree() ? PA_BUILDDIR
"/modules/alsa/mixer/paths/" :
1850 r
= pa_config_parse(fn
, NULL
, items
, p
);
1856 if (path_verify(p
) < 0)
1862 pa_alsa_path_free(p
);
1866 pa_alsa_path
* pa_alsa_path_synthesize(const char*element
, pa_alsa_direction_t direction
) {
1872 p
= pa_xnew0(pa_alsa_path
, 1);
1873 p
->name
= pa_xstrdup(element
);
1874 p
->direction
= direction
;
1876 e
= pa_xnew0(pa_alsa_element
, 1);
1878 e
->alsa_name
= pa_xstrdup(element
);
1879 e
->direction
= direction
;
1881 e
->switch_use
= PA_ALSA_SWITCH_MUTE
;
1882 e
->volume_use
= PA_ALSA_VOLUME_MERGE
;
1884 PA_LLIST_PREPEND(pa_alsa_element
, p
->elements
, e
);
1888 static pa_bool_t
element_drop_unsupported(pa_alsa_element
*e
) {
1889 pa_alsa_option
*o
, *n
;
1893 for (o
= e
->options
; o
; o
= n
) {
1896 if (o
->alsa_idx
< 0) {
1897 PA_LLIST_REMOVE(pa_alsa_option
, e
->options
, o
);
1903 e
->switch_use
!= PA_ALSA_SWITCH_IGNORE
||
1904 e
->volume_use
!= PA_ALSA_VOLUME_IGNORE
||
1905 e
->enumeration_use
!= PA_ALSA_ENUMERATION_IGNORE
;
1908 static void path_drop_unsupported(pa_alsa_path
*p
) {
1909 pa_alsa_element
*e
, *n
;
1913 for (e
= p
->elements
; e
; e
= n
) {
1916 if (!element_drop_unsupported(e
)) {
1917 PA_LLIST_REMOVE(pa_alsa_element
, p
->elements
, e
);
1923 static void path_make_options_unique(pa_alsa_path
*p
) {
1925 pa_alsa_option
*o
, *u
;
1927 PA_LLIST_FOREACH(e
, p
->elements
) {
1928 PA_LLIST_FOREACH(o
, e
->options
) {
1932 for (u
= o
->next
; u
; u
= u
->next
)
1933 if (pa_streq(u
->name
, o
->name
))
1939 m
= pa_xstrdup(o
->name
);
1941 /* OK, this name is not unique, hence let's rename */
1942 for (i
= 1, u
= o
; u
; u
= u
->next
) {
1945 if (!pa_streq(u
->name
, m
))
1948 nn
= pa_sprintf_malloc("%s-%u", m
, i
);
1952 nd
= pa_sprintf_malloc("%s %u", u
->description
, i
);
1953 pa_xfree(u
->description
);
1954 u
->description
= nd
;
1964 static pa_bool_t
element_create_settings(pa_alsa_element
*e
, pa_alsa_setting
*template) {
1967 for (; e
; e
= e
->next
)
1968 if (e
->switch_use
== PA_ALSA_SWITCH_SELECT
||
1969 e
->enumeration_use
== PA_ALSA_ENUMERATION_SELECT
)
1975 for (o
= e
->options
; o
; o
= o
->next
) {
1979 s
= pa_xnewdup(pa_alsa_setting
, template, 1);
1980 s
->options
= pa_idxset_copy(template->options
);
1981 s
->name
= pa_sprintf_malloc(_("%s+%s"), template->name
, o
->name
);
1983 (template->description
[0] && o
->description
[0])
1984 ? pa_sprintf_malloc(_("%s / %s"), template->description
, o
->description
)
1985 : (template->description
[0]
1986 ? pa_xstrdup(template->description
)
1987 : pa_xstrdup(o
->description
));
1989 s
->priority
= PA_MAX(template->priority
, o
->priority
);
1991 s
= pa_xnew0(pa_alsa_setting
, 1);
1992 s
->options
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
1993 s
->name
= pa_xstrdup(o
->name
);
1994 s
->description
= pa_xstrdup(o
->description
);
1995 s
->priority
= o
->priority
;
1998 pa_idxset_put(s
->options
, o
, NULL
);
2000 if (element_create_settings(e
->next
, s
))
2001 /* This is not a leaf, so let's get rid of it */
2004 /* This is a leaf, so let's add it */
2005 PA_LLIST_INSERT_AFTER(pa_alsa_setting
, e
->path
->settings
, e
->path
->last_setting
, s
);
2007 e
->path
->last_setting
= s
;
2014 static void path_create_settings(pa_alsa_path
*p
) {
2017 element_create_settings(p
->elements
, NULL
);
2020 int pa_alsa_path_probe(pa_alsa_path
*p
, snd_mixer_t
*m
, pa_bool_t ignore_dB
) {
2022 double min_dB
[PA_CHANNEL_POSITION_MAX
], max_dB
[PA_CHANNEL_POSITION_MAX
];
2023 pa_channel_position_t t
;
2034 pa_log_debug("Probing path '%s'", p
->name
);
2036 PA_LLIST_FOREACH(e
, p
->elements
) {
2037 if (element_probe(e
, m
) < 0) {
2038 p
->supported
= FALSE
;
2039 pa_log_debug("Probe of element '%s' failed.", e
->alsa_name
);
2046 if (e
->volume_use
== PA_ALSA_VOLUME_MERGE
) {
2048 if (!p
->has_volume
) {
2049 p
->min_volume
= e
->min_volume
;
2050 p
->max_volume
= e
->max_volume
;
2054 if (!p
->has_volume
) {
2055 for (t
= 0; t
< PA_CHANNEL_POSITION_MAX
; t
++)
2056 if (PA_CHANNEL_POSITION_MASK(t
) & e
->merged_mask
) {
2057 min_dB
[t
] = e
->min_dB
;
2058 max_dB
[t
] = e
->max_dB
;
2065 for (t
= 0; t
< PA_CHANNEL_POSITION_MAX
; t
++)
2066 if (PA_CHANNEL_POSITION_MASK(t
) & e
->merged_mask
) {
2067 min_dB
[t
] += e
->min_dB
;
2068 max_dB
[t
] += e
->max_dB
;
2071 /* Hmm, there's another element before us
2072 * which cannot do dB volumes, so we we need
2073 * to 'neutralize' this slider */
2074 e
->volume_use
= PA_ALSA_VOLUME_ZERO
;
2076 } else if (p
->has_volume
)
2077 /* We can't use this volume, so let's ignore it */
2078 e
->volume_use
= PA_ALSA_VOLUME_IGNORE
;
2080 p
->has_volume
= TRUE
;
2083 if (e
->switch_use
== PA_ALSA_SWITCH_MUTE
)
2087 path_drop_unsupported(p
);
2088 path_make_options_unique(p
);
2089 path_create_settings(p
);
2091 p
->supported
= TRUE
;
2094 p
->min_dB
= INFINITY
;
2095 p
->max_dB
= -INFINITY
;
2097 for (t
= 0; t
< PA_CHANNEL_POSITION_MAX
; t
++) {
2098 if (p
->min_dB
> min_dB
[t
])
2099 p
->min_dB
= min_dB
[t
];
2101 if (p
->max_dB
< max_dB
[t
])
2102 p
->max_dB
= max_dB
[t
];
2108 void pa_alsa_setting_dump(pa_alsa_setting
*s
) {
2111 pa_log_debug("Setting %s (%s) priority=%u",
2113 pa_strnull(s
->description
),
2117 void pa_alsa_option_dump(pa_alsa_option
*o
) {
2120 pa_log_debug("Option %s (%s/%s) index=%i, priority=%u",
2122 pa_strnull(o
->name
),
2123 pa_strnull(o
->description
),
2128 void pa_alsa_element_dump(pa_alsa_element
*e
) {
2132 pa_log_debug("Element %s, direction=%i, switch=%i, volume=%i, enumeration=%i, required=%i, required_absent=%i, mask=0x%llx, n_channels=%u, override_map=%s",
2140 (long long unsigned) e
->merged_mask
,
2142 pa_yes_no(e
->override_map
));
2144 PA_LLIST_FOREACH(o
, e
->options
)
2145 pa_alsa_option_dump(o
);
2148 void pa_alsa_path_dump(pa_alsa_path
*p
) {
2153 pa_log_debug("Path %s (%s), direction=%i, priority=%u, probed=%s, supported=%s, has_mute=%s, has_volume=%s, "
2154 "has_dB=%s, min_volume=%li, max_volume=%li, min_dB=%g, max_dB=%g",
2156 pa_strnull(p
->description
),
2159 pa_yes_no(p
->probed
),
2160 pa_yes_no(p
->supported
),
2161 pa_yes_no(p
->has_mute
),
2162 pa_yes_no(p
->has_volume
),
2163 pa_yes_no(p
->has_dB
),
2164 p
->min_volume
, p
->max_volume
,
2165 p
->min_dB
, p
->max_dB
);
2167 PA_LLIST_FOREACH(e
, p
->elements
)
2168 pa_alsa_element_dump(e
);
2170 PA_LLIST_FOREACH(s
, p
->settings
)
2171 pa_alsa_setting_dump(s
);
2174 static void element_set_callback(pa_alsa_element
*e
, snd_mixer_t
*m
, snd_mixer_elem_callback_t cb
, void *userdata
) {
2175 snd_mixer_selem_id_t
*sid
;
2176 snd_mixer_elem_t
*me
;
2182 SELEM_INIT(sid
, e
->alsa_name
);
2183 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
2184 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
2188 snd_mixer_elem_set_callback(me
, cb
);
2189 snd_mixer_elem_set_callback_private(me
, userdata
);
2192 void pa_alsa_path_set_callback(pa_alsa_path
*p
, snd_mixer_t
*m
, snd_mixer_elem_callback_t cb
, void *userdata
) {
2199 PA_LLIST_FOREACH(e
, p
->elements
)
2200 element_set_callback(e
, m
, cb
, userdata
);
2203 void pa_alsa_path_set_set_callback(pa_alsa_path_set
*ps
, snd_mixer_t
*m
, snd_mixer_elem_callback_t cb
, void *userdata
) {
2210 PA_LLIST_FOREACH(p
, ps
->paths
)
2211 pa_alsa_path_set_callback(p
, m
, cb
, userdata
);
2214 pa_alsa_path_set
*pa_alsa_path_set_new(pa_alsa_mapping
*m
, pa_alsa_direction_t direction
) {
2215 pa_alsa_path_set
*ps
;
2216 char **pn
= NULL
, **en
= NULL
, **ie
;
2219 pa_assert(direction
== PA_ALSA_DIRECTION_OUTPUT
|| direction
== PA_ALSA_DIRECTION_INPUT
);
2221 if (m
->direction
!= PA_ALSA_DIRECTION_ANY
&& m
->direction
!= direction
)
2224 ps
= pa_xnew0(pa_alsa_path_set
, 1);
2225 ps
->direction
= direction
;
2227 if (direction
== PA_ALSA_DIRECTION_OUTPUT
)
2228 pn
= m
->output_path_names
;
2229 else if (direction
== PA_ALSA_DIRECTION_INPUT
)
2230 pn
= m
->input_path_names
;
2235 for (in
= pn
; *in
; in
++) {
2237 pa_bool_t duplicate
= FALSE
;
2240 for (kn
= pn
; kn
!= in
; kn
++)
2241 if (pa_streq(*kn
, *in
)) {
2249 fn
= pa_sprintf_malloc("%s.conf", *in
);
2251 if ((p
= pa_alsa_path_new(fn
, direction
))) {
2253 PA_LLIST_INSERT_AFTER(pa_alsa_path
, ps
->paths
, ps
->last_path
, p
);
2263 if (direction
== PA_ALSA_DIRECTION_OUTPUT
)
2264 en
= m
->output_element
;
2265 else if (direction
== PA_ALSA_DIRECTION_INPUT
)
2266 en
= m
->input_element
;
2269 pa_alsa_path_set_free(ps
);
2273 for (ie
= en
; *ie
; ie
++) {
2277 p
= pa_alsa_path_synthesize(*ie
, direction
);
2280 /* Mark all other passed elements for require-absent */
2281 for (je
= en
; *je
; je
++) {
2283 e
= pa_xnew0(pa_alsa_element
, 1);
2285 e
->alsa_name
= pa_xstrdup(*je
);
2286 e
->direction
= direction
;
2287 e
->required_absent
= PA_ALSA_REQUIRED_ANY
;
2289 PA_LLIST_INSERT_AFTER(pa_alsa_element
, p
->elements
, p
->last_element
, e
);
2290 p
->last_element
= e
;
2293 PA_LLIST_INSERT_AFTER(pa_alsa_path
, ps
->paths
, ps
->last_path
, p
);
2300 void pa_alsa_path_set_dump(pa_alsa_path_set
*ps
) {
2304 pa_log_debug("Path Set %p, direction=%i, probed=%s",
2307 pa_yes_no(ps
->probed
));
2309 PA_LLIST_FOREACH(p
, ps
->paths
)
2310 pa_alsa_path_dump(p
);
2313 static void path_set_unify(pa_alsa_path_set
*ps
) {
2315 pa_bool_t has_dB
= TRUE
, has_volume
= TRUE
, has_mute
= TRUE
;
2318 /* We have issues dealing with paths that vary too wildly. That
2319 * means for now we have to have all paths support volume/mute/dB
2322 PA_LLIST_FOREACH(p
, ps
->paths
) {
2323 pa_assert(p
->probed
);
2327 else if (!p
->has_dB
)
2334 if (!has_volume
|| !has_dB
|| !has_mute
) {
2337 pa_log_debug("Some paths of the device lack hardware volume control, disabling hardware control altogether.");
2339 pa_log_debug("Some paths of the device lack dB information, disabling dB logic altogether.");
2342 pa_log_debug("Some paths of the device lack hardware mute control, disabling hardware control altogether.");
2344 PA_LLIST_FOREACH(p
, ps
->paths
) {
2346 p
->has_volume
= FALSE
;
2351 p
->has_mute
= FALSE
;
2356 static void path_set_make_paths_unique(pa_alsa_path_set
*ps
) {
2357 pa_alsa_path
*p
, *q
;
2359 PA_LLIST_FOREACH(p
, ps
->paths
) {
2363 for (q
= p
->next
; q
; q
= q
->next
)
2364 if (pa_streq(q
->name
, p
->name
))
2370 m
= pa_xstrdup(p
->name
);
2372 /* OK, this name is not unique, hence let's rename */
2373 for (i
= 1, q
= p
; q
; q
= q
->next
) {
2376 if (!pa_streq(q
->name
, m
))
2379 nn
= pa_sprintf_malloc("%s-%u", m
, i
);
2383 nd
= pa_sprintf_malloc("%s %u", q
->description
, i
);
2384 pa_xfree(q
->description
);
2385 q
->description
= nd
;
2394 void pa_alsa_path_set_probe(pa_alsa_path_set
*ps
, snd_mixer_t
*m
, pa_bool_t ignore_dB
) {
2395 pa_alsa_path
*p
, *n
;
2402 for (p
= ps
->paths
; p
; p
= n
) {
2405 if (pa_alsa_path_probe(p
, m
, ignore_dB
) < 0) {
2406 PA_LLIST_REMOVE(pa_alsa_path
, ps
->paths
, p
);
2407 pa_alsa_path_free(p
);
2412 path_set_make_paths_unique(ps
);
2416 static void mapping_free(pa_alsa_mapping
*m
) {
2420 pa_xfree(m
->description
);
2422 pa_xstrfreev(m
->device_strings
);
2423 pa_xstrfreev(m
->input_path_names
);
2424 pa_xstrfreev(m
->output_path_names
);
2425 pa_xstrfreev(m
->input_element
);
2426 pa_xstrfreev(m
->output_element
);
2428 pa_assert(!m
->input_pcm
);
2429 pa_assert(!m
->output_pcm
);
2434 static void profile_free(pa_alsa_profile
*p
) {
2438 pa_xfree(p
->description
);
2440 pa_xstrfreev(p
->input_mapping_names
);
2441 pa_xstrfreev(p
->output_mapping_names
);
2443 if (p
->input_mappings
)
2444 pa_idxset_free(p
->input_mappings
, NULL
, NULL
);
2446 if (p
->output_mappings
)
2447 pa_idxset_free(p
->output_mappings
, NULL
, NULL
);
2452 void pa_alsa_profile_set_free(pa_alsa_profile_set
*ps
) {
2458 while ((p
= pa_hashmap_steal_first(ps
->profiles
)))
2461 pa_hashmap_free(ps
->profiles
, NULL
, NULL
);
2467 while ((m
= pa_hashmap_steal_first(ps
->mappings
)))
2470 pa_hashmap_free(ps
->mappings
, NULL
, NULL
);
2476 static pa_alsa_mapping
*mapping_get(pa_alsa_profile_set
*ps
, const char *name
) {
2479 if (!pa_startswith(name
, "Mapping "))
2484 if ((m
= pa_hashmap_get(ps
->mappings
, name
)))
2487 m
= pa_xnew0(pa_alsa_mapping
, 1);
2488 m
->profile_set
= ps
;
2489 m
->name
= pa_xstrdup(name
);
2490 pa_channel_map_init(&m
->channel_map
);
2492 pa_hashmap_put(ps
->mappings
, m
->name
, m
);
2497 static pa_alsa_profile
*profile_get(pa_alsa_profile_set
*ps
, const char *name
) {
2500 if (!pa_startswith(name
, "Profile "))
2505 if ((p
= pa_hashmap_get(ps
->profiles
, name
)))
2508 p
= pa_xnew0(pa_alsa_profile
, 1);
2509 p
->profile_set
= ps
;
2510 p
->name
= pa_xstrdup(name
);
2512 pa_hashmap_put(ps
->profiles
, p
->name
, p
);
2517 static int mapping_parse_device_strings(
2518 const char *filename
,
2520 const char *section
,
2526 pa_alsa_profile_set
*ps
= userdata
;
2531 if (!(m
= mapping_get(ps
, section
))) {
2532 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2536 pa_xstrfreev(m
->device_strings
);
2537 if (!(m
->device_strings
= pa_split_spaces_strv(rvalue
))) {
2538 pa_log("[%s:%u] Device string list empty of '%s'", filename
, line
, section
);
2545 static int mapping_parse_channel_map(
2546 const char *filename
,
2548 const char *section
,
2554 pa_alsa_profile_set
*ps
= userdata
;
2559 if (!(m
= mapping_get(ps
, section
))) {
2560 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2564 if (!(pa_channel_map_parse(&m
->channel_map
, rvalue
))) {
2565 pa_log("[%s:%u] Channel map invalid of '%s'", filename
, line
, section
);
2572 static int mapping_parse_paths(
2573 const char *filename
,
2575 const char *section
,
2581 pa_alsa_profile_set
*ps
= userdata
;
2586 if (!(m
= mapping_get(ps
, section
))) {
2587 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2591 if (pa_streq(lvalue
, "paths-input")) {
2592 pa_xstrfreev(m
->input_path_names
);
2593 m
->input_path_names
= pa_split_spaces_strv(rvalue
);
2595 pa_xstrfreev(m
->output_path_names
);
2596 m
->output_path_names
= pa_split_spaces_strv(rvalue
);
2602 static int mapping_parse_element(
2603 const char *filename
,
2605 const char *section
,
2611 pa_alsa_profile_set
*ps
= userdata
;
2616 if (!(m
= mapping_get(ps
, section
))) {
2617 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2621 if (pa_streq(lvalue
, "element-input")) {
2622 pa_xstrfreev(m
->input_element
);
2623 m
->input_element
= pa_split_spaces_strv(rvalue
);
2625 pa_xstrfreev(m
->output_element
);
2626 m
->output_element
= pa_split_spaces_strv(rvalue
);
2632 static int mapping_parse_direction(
2633 const char *filename
,
2635 const char *section
,
2641 pa_alsa_profile_set
*ps
= userdata
;
2646 if (!(m
= mapping_get(ps
, section
))) {
2647 pa_log("[%s:%u] Section name %s invalid.", filename
, line
, section
);
2651 if (pa_streq(rvalue
, "input"))
2652 m
->direction
= PA_ALSA_DIRECTION_INPUT
;
2653 else if (pa_streq(rvalue
, "output"))
2654 m
->direction
= PA_ALSA_DIRECTION_OUTPUT
;
2655 else if (pa_streq(rvalue
, "any"))
2656 m
->direction
= PA_ALSA_DIRECTION_ANY
;
2658 pa_log("[%s:%u] Direction %s invalid.", filename
, line
, rvalue
);
2665 static int mapping_parse_description(
2666 const char *filename
,
2668 const char *section
,
2674 pa_alsa_profile_set
*ps
= userdata
;
2680 if ((m
= mapping_get(ps
, section
))) {
2681 pa_xstrdup(m
->description
);
2682 m
->description
= pa_xstrdup(rvalue
);
2683 } else if ((p
= profile_get(ps
, section
))) {
2684 pa_xfree(p
->description
);
2685 p
->description
= pa_xstrdup(rvalue
);
2687 pa_log("[%s:%u] Section name %s invalid.", filename
, line
, section
);
2694 static int mapping_parse_priority(
2695 const char *filename
,
2697 const char *section
,
2703 pa_alsa_profile_set
*ps
= userdata
;
2710 if (pa_atou(rvalue
, &prio
) < 0) {
2711 pa_log("[%s:%u] Priority invalid of '%s'", filename
, line
, section
);
2715 if ((m
= mapping_get(ps
, section
)))
2717 else if ((p
= profile_get(ps
, section
)))
2720 pa_log("[%s:%u] Section name %s invalid.", filename
, line
, section
);
2727 static int profile_parse_mappings(
2728 const char *filename
,
2730 const char *section
,
2736 pa_alsa_profile_set
*ps
= userdata
;
2741 if (!(p
= profile_get(ps
, section
))) {
2742 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2746 if (pa_streq(lvalue
, "input-mappings")) {
2747 pa_xstrfreev(p
->input_mapping_names
);
2748 p
->input_mapping_names
= pa_split_spaces_strv(rvalue
);
2750 pa_xstrfreev(p
->output_mapping_names
);
2751 p
->output_mapping_names
= pa_split_spaces_strv(rvalue
);
2757 static int profile_parse_skip_probe(
2758 const char *filename
,
2760 const char *section
,
2766 pa_alsa_profile_set
*ps
= userdata
;
2772 if (!(p
= profile_get(ps
, section
))) {
2773 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2777 if ((b
= pa_parse_boolean(rvalue
)) < 0) {
2778 pa_log("[%s:%u] Skip probe invalid of '%s'", filename
, line
, section
);
2787 static int mapping_verify(pa_alsa_mapping
*m
, const pa_channel_map
*bonus
) {
2789 static const struct description_map well_known_descriptions
[] = {
2790 { "analog-mono", N_("Analog Mono") },
2791 { "analog-stereo", N_("Analog Stereo") },
2792 { "analog-surround-21", N_("Analog Surround 2.1") },
2793 { "analog-surround-30", N_("Analog Surround 3.0") },
2794 { "analog-surround-31", N_("Analog Surround 3.1") },
2795 { "analog-surround-40", N_("Analog Surround 4.0") },
2796 { "analog-surround-41", N_("Analog Surround 4.1") },
2797 { "analog-surround-50", N_("Analog Surround 5.0") },
2798 { "analog-surround-51", N_("Analog Surround 5.1") },
2799 { "analog-surround-61", N_("Analog Surround 6.0") },
2800 { "analog-surround-61", N_("Analog Surround 6.1") },
2801 { "analog-surround-70", N_("Analog Surround 7.0") },
2802 { "analog-surround-71", N_("Analog Surround 7.1") },
2803 { "iec958-stereo", N_("Digital Stereo (IEC958)") },
2804 { "iec958-surround-40", N_("Digital Surround 4.0 (IEC958)") },
2805 { "iec958-ac3-surround-40", N_("Digital Surround 4.0 (IEC958/AC3)") },
2806 { "iec958-ac3-surround-51", N_("Digital Surround 5.1 (IEC958/AC3)") },
2807 { "hdmi-stereo", N_("Digital Stereo (HDMI)") }
2812 if (!pa_channel_map_valid(&m
->channel_map
)) {
2813 pa_log("Mapping %s is missing channel map.", m
->name
);
2817 if (!m
->device_strings
) {
2818 pa_log("Mapping %s is missing device strings.", m
->name
);
2822 if ((m
->input_path_names
&& m
->input_element
) ||
2823 (m
->output_path_names
&& m
->output_element
)) {
2824 pa_log("Mapping %s must have either mixer path or mixer elment, not both.", m
->name
);
2828 if (!m
->description
)
2829 m
->description
= pa_xstrdup(lookup_description(m
->name
,
2830 well_known_descriptions
,
2831 PA_ELEMENTSOF(well_known_descriptions
)));
2833 if (!m
->description
)
2834 m
->description
= pa_xstrdup(m
->name
);
2837 if (pa_channel_map_equal(&m
->channel_map
, bonus
))
2839 else if (m
->channel_map
.channels
== bonus
->channels
)
2846 void pa_alsa_mapping_dump(pa_alsa_mapping
*m
) {
2847 char cm
[PA_CHANNEL_MAP_SNPRINT_MAX
];
2851 pa_log_debug("Mapping %s (%s), priority=%u, channel_map=%s, supported=%s, direction=%i",
2853 pa_strnull(m
->description
),
2855 pa_channel_map_snprint(cm
, sizeof(cm
), &m
->channel_map
),
2856 pa_yes_no(m
->supported
),
2860 static void profile_set_add_auto_pair(
2861 pa_alsa_profile_set
*ps
,
2862 pa_alsa_mapping
*m
, /* output */
2863 pa_alsa_mapping
*n
/* input */) {
2871 if (m
&& m
->direction
== PA_ALSA_DIRECTION_INPUT
)
2874 if (n
&& n
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
2878 name
= pa_sprintf_malloc("output:%s+input:%s", m
->name
, n
->name
);
2880 name
= pa_sprintf_malloc("output:%s", m
->name
);
2882 name
= pa_sprintf_malloc("input:%s", n
->name
);
2884 if (pa_hashmap_get(ps
->profiles
, name
)) {
2889 p
= pa_xnew0(pa_alsa_profile
, 1);
2890 p
->profile_set
= ps
;
2894 p
->output_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2895 pa_idxset_put(p
->output_mappings
, m
, NULL
);
2896 p
->priority
+= m
->priority
* 100;
2900 p
->input_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2901 pa_idxset_put(p
->input_mappings
, n
, NULL
);
2902 p
->priority
+= n
->priority
;
2905 pa_hashmap_put(ps
->profiles
, p
->name
, p
);
2908 static void profile_set_add_auto(pa_alsa_profile_set
*ps
) {
2909 pa_alsa_mapping
*m
, *n
;
2910 void *m_state
, *n_state
;
2914 PA_HASHMAP_FOREACH(m
, ps
->mappings
, m_state
) {
2915 profile_set_add_auto_pair(ps
, m
, NULL
);
2917 PA_HASHMAP_FOREACH(n
, ps
->mappings
, n_state
)
2918 profile_set_add_auto_pair(ps
, m
, n
);
2921 PA_HASHMAP_FOREACH(n
, ps
->mappings
, n_state
)
2922 profile_set_add_auto_pair(ps
, NULL
, n
);
2925 static int profile_verify(pa_alsa_profile
*p
) {
2927 static const struct description_map well_known_descriptions
[] = {
2928 { "output:analog-mono+input:analog-mono", N_("Analog Mono Duplex") },
2929 { "output:analog-stereo+input:analog-stereo", N_("Analog Stereo Duplex") },
2930 { "output:iec958-stereo", N_("Digital Stereo Duplex (IEC958)") },
2931 { "off", N_("Off") }
2936 /* Replace the output mapping names by the actual mappings */
2937 if (p
->output_mapping_names
) {
2940 pa_assert(!p
->output_mappings
);
2941 p
->output_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2943 for (name
= p
->output_mapping_names
; *name
; name
++) {
2946 pa_bool_t duplicate
= FALSE
;
2948 for (in
= name
+ 1; *in
; in
++)
2949 if (pa_streq(*name
, *in
)) {
2957 if (!(m
= pa_hashmap_get(p
->profile_set
->mappings
, *name
)) || m
->direction
== PA_ALSA_DIRECTION_INPUT
) {
2958 pa_log("Profile '%s' refers to unexistant mapping '%s'.", p
->name
, *name
);
2962 pa_idxset_put(p
->output_mappings
, m
, NULL
);
2968 pa_xstrfreev(p
->output_mapping_names
);
2969 p
->output_mapping_names
= NULL
;
2972 /* Replace the input mapping names by the actual mappings */
2973 if (p
->input_mapping_names
) {
2976 pa_assert(!p
->input_mappings
);
2977 p
->input_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2979 for (name
= p
->input_mapping_names
; *name
; name
++) {
2982 pa_bool_t duplicate
= FALSE
;
2984 for (in
= name
+ 1; *in
; in
++)
2985 if (pa_streq(*name
, *in
)) {
2993 if (!(m
= pa_hashmap_get(p
->profile_set
->mappings
, *name
)) || m
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
2994 pa_log("Profile '%s' refers to unexistant mapping '%s'.", p
->name
, *name
);
2998 pa_idxset_put(p
->input_mappings
, m
, NULL
);
3004 pa_xstrfreev(p
->input_mapping_names
);
3005 p
->input_mapping_names
= NULL
;
3008 if (!p
->input_mappings
&& !p
->output_mappings
) {
3009 pa_log("Profile '%s' lacks mappings.", p
->name
);
3013 if (!p
->description
)
3014 p
->description
= pa_xstrdup(lookup_description(p
->name
,
3015 well_known_descriptions
,
3016 PA_ELEMENTSOF(well_known_descriptions
)));
3018 if (!p
->description
) {
3023 sb
= pa_strbuf_new();
3025 if (p
->output_mappings
)
3026 PA_IDXSET_FOREACH(m
, p
->output_mappings
, idx
) {
3027 if (!pa_strbuf_isempty(sb
))
3028 pa_strbuf_puts(sb
, " + ");
3030 pa_strbuf_printf(sb
, "%s Output", m
->description
);
3033 if (p
->input_mappings
)
3034 PA_IDXSET_FOREACH(m
, p
->input_mappings
, idx
) {
3035 if (!pa_strbuf_isempty(sb
))
3036 pa_strbuf_puts(sb
, " + ");
3038 pa_strbuf_printf(sb
, "%s Input", m
->description
);
3041 p
->description
= pa_strbuf_tostring_free(sb
);
3047 void pa_alsa_profile_dump(pa_alsa_profile
*p
) {
3052 pa_log_debug("Profile %s (%s), priority=%u, supported=%s n_input_mappings=%u, n_output_mappings=%u",
3054 pa_strnull(p
->description
),
3056 pa_yes_no(p
->supported
),
3057 p
->input_mappings
? pa_idxset_size(p
->input_mappings
) : 0,
3058 p
->output_mappings
? pa_idxset_size(p
->output_mappings
) : 0);
3060 if (p
->input_mappings
)
3061 PA_IDXSET_FOREACH(m
, p
->input_mappings
, idx
)
3062 pa_log_debug("Input %s", m
->name
);
3064 if (p
->output_mappings
)
3065 PA_IDXSET_FOREACH(m
, p
->output_mappings
, idx
)
3066 pa_log_debug("Output %s", m
->name
);
3069 pa_alsa_profile_set
* pa_alsa_profile_set_new(const char *fname
, const pa_channel_map
*bonus
) {
3070 pa_alsa_profile_set
*ps
;
3077 static pa_config_item items
[] = {
3079 { "auto-profiles", pa_config_parse_bool
, NULL
, "General" },
3082 { "device-strings", mapping_parse_device_strings
, NULL
, NULL
},
3083 { "channel-map", mapping_parse_channel_map
, NULL
, NULL
},
3084 { "paths-input", mapping_parse_paths
, NULL
, NULL
},
3085 { "paths-output", mapping_parse_paths
, NULL
, NULL
},
3086 { "element-input", mapping_parse_element
, NULL
, NULL
},
3087 { "element-output", mapping_parse_element
, NULL
, NULL
},
3088 { "direction", mapping_parse_direction
, NULL
, NULL
},
3090 /* Shared by [Mapping ...] and [Profile ...] */
3091 { "description", mapping_parse_description
, NULL
, NULL
},
3092 { "priority", mapping_parse_priority
, NULL
, NULL
},
3095 { "input-mappings", profile_parse_mappings
, NULL
, NULL
},
3096 { "output-mappings", profile_parse_mappings
, NULL
, NULL
},
3097 { "skip-probe", profile_parse_skip_probe
, NULL
, NULL
},
3098 { NULL
, NULL
, NULL
, NULL
}
3101 ps
= pa_xnew0(pa_alsa_profile_set
, 1);
3102 ps
->mappings
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3103 ps
->profiles
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3105 items
[0].data
= &ps
->auto_profiles
;
3108 fname
= "default.conf";
3110 fn
= pa_maybe_prefix_path(fname
,
3111 #if defined(__linux__) && !defined(__OPTIMIZE__)
3112 pa_run_from_build_tree() ? PA_BUILDDIR
"/modules/alsa/mixer/profile-sets/" :
3114 PA_ALSA_PROFILE_SETS_DIR
);
3116 r
= pa_config_parse(fn
, NULL
, items
, ps
);
3122 PA_HASHMAP_FOREACH(m
, ps
->mappings
, state
)
3123 if (mapping_verify(m
, bonus
) < 0)
3126 if (ps
->auto_profiles
)
3127 profile_set_add_auto(ps
);
3129 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
)
3130 if (profile_verify(p
) < 0)
3136 pa_alsa_profile_set_free(ps
);
3140 void pa_alsa_profile_set_probe(
3141 pa_alsa_profile_set
*ps
,
3143 const pa_sample_spec
*ss
,
3144 unsigned default_n_fragments
,
3145 unsigned default_fragment_size_msec
) {
3148 pa_alsa_profile
*p
, *last
= NULL
;
3158 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
) {
3159 pa_sample_spec try_ss
;
3160 pa_channel_map try_map
;
3161 snd_pcm_uframes_t try_period_size
, try_buffer_size
;
3164 /* Is this already marked that it is supported? (i.e. from the config file) */
3168 pa_log_debug("Looking at profile %s", p
->name
);
3170 /* Close PCMs from the last iteration we don't need anymore */
3171 if (last
&& last
->output_mappings
)
3172 PA_IDXSET_FOREACH(m
, last
->output_mappings
, idx
) {
3177 if (last
->supported
)
3180 if (!p
->output_mappings
|| !pa_idxset_get_by_data(p
->output_mappings
, m
, NULL
)) {
3181 snd_pcm_close(m
->output_pcm
);
3182 m
->output_pcm
= NULL
;
3186 if (last
&& last
->input_mappings
)
3187 PA_IDXSET_FOREACH(m
, last
->input_mappings
, idx
) {
3192 if (last
->supported
)
3195 if (!p
->input_mappings
|| !pa_idxset_get_by_data(p
->input_mappings
, m
, NULL
)) {
3196 snd_pcm_close(m
->input_pcm
);
3197 m
->input_pcm
= NULL
;
3201 p
->supported
= TRUE
;
3203 /* Check if we can open all new ones */
3204 if (p
->output_mappings
)
3205 PA_IDXSET_FOREACH(m
, p
->output_mappings
, idx
) {
3210 pa_log_debug("Checking for playback on %s (%s)", m
->description
, m
->name
);
3211 try_map
= m
->channel_map
;
3213 try_ss
.channels
= try_map
.channels
;
3216 pa_usec_to_bytes(default_fragment_size_msec
* PA_USEC_PER_MSEC
, &try_ss
) /
3217 pa_frame_size(&try_ss
);
3218 try_buffer_size
= default_n_fragments
* try_period_size
;
3220 if (!(m
->output_pcm
= pa_alsa_open_by_template(
3225 SND_PCM_STREAM_PLAYBACK
,
3226 &try_period_size
, &try_buffer_size
, 0, NULL
, NULL
,
3228 p
->supported
= FALSE
;
3233 if (p
->input_mappings
&& p
->supported
)
3234 PA_IDXSET_FOREACH(m
, p
->input_mappings
, idx
) {
3239 pa_log_debug("Checking for recording on %s (%s)", m
->description
, m
->name
);
3240 try_map
= m
->channel_map
;
3242 try_ss
.channels
= try_map
.channels
;
3245 pa_usec_to_bytes(default_fragment_size_msec
*PA_USEC_PER_MSEC
, &try_ss
) /
3246 pa_frame_size(&try_ss
);
3247 try_buffer_size
= default_n_fragments
* try_period_size
;
3249 if (!(m
->input_pcm
= pa_alsa_open_by_template(
3254 SND_PCM_STREAM_CAPTURE
,
3255 &try_period_size
, &try_buffer_size
, 0, NULL
, NULL
,
3257 p
->supported
= FALSE
;
3265 pa_log_debug("Profile %s supported.", p
->name
);
3272 if (last
->output_mappings
)
3273 PA_IDXSET_FOREACH(m
, last
->output_mappings
, idx
)
3274 if (m
->output_pcm
) {
3276 if (last
->supported
)
3279 snd_pcm_close(m
->output_pcm
);
3280 m
->output_pcm
= NULL
;
3283 if (last
->input_mappings
)
3284 PA_IDXSET_FOREACH(m
, last
->input_mappings
, idx
)
3287 if (last
->supported
)
3290 snd_pcm_close(m
->input_pcm
);
3291 m
->input_pcm
= NULL
;
3295 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
)
3296 if (!p
->supported
) {
3297 pa_hashmap_remove(ps
->profiles
, p
->name
);
3301 PA_HASHMAP_FOREACH(m
, ps
->mappings
, state
)
3302 if (m
->supported
<= 0) {
3303 pa_hashmap_remove(ps
->mappings
, m
->name
);
3310 void pa_alsa_profile_set_dump(pa_alsa_profile_set
*ps
) {
3317 pa_log_debug("Profile set %p, auto_profiles=%s, probed=%s, n_mappings=%u, n_profiles=%u",
3320 pa_yes_no(ps
->auto_profiles
),
3321 pa_yes_no(ps
->probed
),
3322 pa_hashmap_size(ps
->mappings
),
3323 pa_hashmap_size(ps
->profiles
));
3325 PA_HASHMAP_FOREACH(m
, ps
->mappings
, state
)
3326 pa_alsa_mapping_dump(m
);
3328 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
)
3329 pa_alsa_profile_dump(p
);
3332 void pa_alsa_add_ports(pa_hashmap
**p
, pa_alsa_path_set
*ps
) {
3339 /* if there is no path, we don't want a port list */
3343 if (!ps
->paths
->next
){
3346 /* If there is only one path, but no or only one setting, then
3347 * we want a port list either */
3348 if (!ps
->paths
->settings
|| !ps
->paths
->settings
->next
)
3351 /* Ok, there is only one path, however with multiple settings,
3352 * so let's create a port for each setting */
3353 *p
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3355 PA_LLIST_FOREACH(s
, ps
->paths
->settings
) {
3356 pa_device_port
*port
;
3357 pa_alsa_port_data
*data
;
3359 port
= pa_device_port_new(s
->name
, s
->description
, sizeof(pa_alsa_port_data
));
3360 port
->priority
= s
->priority
;
3362 data
= PA_DEVICE_PORT_DATA(port
);
3363 data
->path
= ps
->paths
;
3366 pa_hashmap_put(*p
, port
->name
, port
);
3371 /* We have multiple paths, so let's create a port for each
3372 * one, and each of each settings */
3373 *p
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3375 PA_LLIST_FOREACH(path
, ps
->paths
) {
3377 if (!path
->settings
|| !path
->settings
->next
) {
3378 pa_device_port
*port
;
3379 pa_alsa_port_data
*data
;
3381 /* If there is no or just one setting we only need a
3384 port
= pa_device_port_new(path
->name
, path
->description
, sizeof(pa_alsa_port_data
));
3385 port
->priority
= path
->priority
* 100;
3388 data
= PA_DEVICE_PORT_DATA(port
);
3390 data
->setting
= path
->settings
;
3392 pa_hashmap_put(*p
, port
->name
, port
);
3396 PA_LLIST_FOREACH(s
, path
->settings
) {
3397 pa_device_port
*port
;
3398 pa_alsa_port_data
*data
;
3401 n
= pa_sprintf_malloc("%s;%s", path
->name
, s
->name
);
3403 if (s
->description
[0])
3404 d
= pa_sprintf_malloc(_("%s / %s"), path
->description
, s
->description
);
3406 d
= pa_xstrdup(path
->description
);
3408 port
= pa_device_port_new(n
, d
, sizeof(pa_alsa_port_data
));
3409 port
->priority
= path
->priority
* 100 + s
->priority
;
3414 data
= PA_DEVICE_PORT_DATA(port
);
3418 pa_hashmap_put(*p
, port
->name
, port
);
3424 pa_log_debug("Added %u ports", pa_hashmap_size(*p
));