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", N_("No Automatic Gain Control") },
1712 { "input-boost-on", N_("Boost") },
1713 { "input-boost-off", N_("No Boost") },
1714 { "output-amplifier-on", N_("Amplifier") },
1715 { "output-amplifier-off", N_("No Amplifier") },
1716 { "output-speaker", N_("Speaker") },
1717 { "output-headphones", N_("Headphones") }
1723 pa_log("No name set for option %s", o
->alsa_name
);
1727 if (o
->element
->enumeration_use
!= PA_ALSA_ENUMERATION_SELECT
&&
1728 o
->element
->switch_use
!= PA_ALSA_SWITCH_SELECT
) {
1729 pa_log("Element %s of option %s not set for select.", o
->element
->alsa_name
, o
->name
);
1733 if (o
->element
->switch_use
== PA_ALSA_SWITCH_SELECT
&&
1734 !pa_streq(o
->alsa_name
, "on") &&
1735 !pa_streq(o
->alsa_name
, "off")) {
1736 pa_log("Switch %s options need be named off or on ", o
->element
->alsa_name
);
1740 if (!o
->description
)
1741 o
->description
= pa_xstrdup(lookup_description(o
->name
,
1742 well_known_descriptions
,
1743 PA_ELEMENTSOF(well_known_descriptions
)));
1744 if (!o
->description
)
1745 o
->description
= pa_xstrdup(o
->name
);
1750 static int element_verify(pa_alsa_element
*e
) {
1755 if ((e
->required
!= PA_ALSA_REQUIRED_IGNORE
&& e
->required
== e
->required_absent
) ||
1756 (e
->required_absent
== PA_ALSA_REQUIRED_ANY
&& e
->required
!= PA_ALSA_REQUIRED_IGNORE
)) {
1757 pa_log("Element %s cannot be required and absent at the same time.", e
->alsa_name
);
1761 if (e
->switch_use
== PA_ALSA_SWITCH_SELECT
&& e
->enumeration_use
== PA_ALSA_ENUMERATION_SELECT
) {
1762 pa_log("Element %s cannot set select for both switch and enumeration.", e
->alsa_name
);
1766 PA_LLIST_FOREACH(o
, e
->options
)
1767 if (option_verify(o
) < 0)
1773 static int path_verify(pa_alsa_path
*p
) {
1774 static const struct description_map well_known_descriptions
[] = {
1775 { "analog-input", N_("Analog Input") },
1776 { "analog-input-microphone", N_("Analog Microphone") },
1777 { "analog-input-linein", N_("Analog Line-In") },
1778 { "analog-input-radio", N_("Analog Radio") },
1779 { "analog-input-video", N_("Analog Video") },
1780 { "analog-output", N_("Analog Output") },
1781 { "analog-output-headphones", N_("Analog Headphones") },
1782 { "analog-output-lfe-on-mono", N_("Analog Output (LFE)") },
1783 { "analog-output-mono", N_("Analog Mono Output") },
1784 { "analog-output-headphones-2", N_("Analog Headphones 2") },
1785 { "analog-output-speaker", N_("Analog Speaker") }
1792 PA_LLIST_FOREACH(e
, p
->elements
)
1793 if (element_verify(e
) < 0)
1796 if (!p
->description
)
1797 p
->description
= pa_xstrdup(lookup_description(p
->name
,
1798 well_known_descriptions
,
1799 PA_ELEMENTSOF(well_known_descriptions
)));
1801 if (!p
->description
)
1802 p
->description
= pa_xstrdup(p
->name
);
1807 pa_alsa_path
* pa_alsa_path_new(const char *fname
, pa_alsa_direction_t direction
) {
1813 pa_config_item items
[] = {
1815 { "priority", pa_config_parse_unsigned
, NULL
, "General" },
1816 { "description", pa_config_parse_string
, NULL
, "General" },
1817 { "name", pa_config_parse_string
, NULL
, "General" },
1820 { "priority", option_parse_priority
, NULL
, NULL
},
1821 { "name", option_parse_name
, NULL
, NULL
},
1824 { "switch", element_parse_switch
, NULL
, NULL
},
1825 { "volume", element_parse_volume
, NULL
, NULL
},
1826 { "enumeration", element_parse_enumeration
, NULL
, NULL
},
1827 { "override-map.1", element_parse_override_map
, NULL
, NULL
},
1828 { "override-map.2", element_parse_override_map
, NULL
, NULL
},
1829 /* ... later on we might add override-map.3 and so on here ... */
1830 { "required", element_parse_required
, NULL
, NULL
},
1831 { "required-absent", element_parse_required
, NULL
, NULL
},
1832 { "direction", element_parse_direction
, NULL
, NULL
},
1833 { "direction-try-other", element_parse_direction_try_other
, NULL
, NULL
},
1834 { NULL
, NULL
, NULL
, NULL
}
1839 p
= pa_xnew0(pa_alsa_path
, 1);
1840 n
= pa_path_get_filename(fname
);
1841 p
->name
= pa_xstrndup(n
, strcspn(n
, "."));
1842 p
->direction
= direction
;
1844 items
[0].data
= &p
->priority
;
1845 items
[1].data
= &p
->description
;
1846 items
[2].data
= &p
->name
;
1848 fn
= pa_maybe_prefix_path(fname
,
1849 #if defined(__linux__) && !defined(__OPTIMIZE__)
1850 pa_run_from_build_tree() ? PA_BUILDDIR
"/modules/alsa/mixer/paths/" :
1854 r
= pa_config_parse(fn
, NULL
, items
, p
);
1860 if (path_verify(p
) < 0)
1866 pa_alsa_path_free(p
);
1870 pa_alsa_path
* pa_alsa_path_synthesize(const char*element
, pa_alsa_direction_t direction
) {
1876 p
= pa_xnew0(pa_alsa_path
, 1);
1877 p
->name
= pa_xstrdup(element
);
1878 p
->direction
= direction
;
1880 e
= pa_xnew0(pa_alsa_element
, 1);
1882 e
->alsa_name
= pa_xstrdup(element
);
1883 e
->direction
= direction
;
1885 e
->switch_use
= PA_ALSA_SWITCH_MUTE
;
1886 e
->volume_use
= PA_ALSA_VOLUME_MERGE
;
1888 PA_LLIST_PREPEND(pa_alsa_element
, p
->elements
, e
);
1892 static pa_bool_t
element_drop_unsupported(pa_alsa_element
*e
) {
1893 pa_alsa_option
*o
, *n
;
1897 for (o
= e
->options
; o
; o
= n
) {
1900 if (o
->alsa_idx
< 0) {
1901 PA_LLIST_REMOVE(pa_alsa_option
, e
->options
, o
);
1907 e
->switch_use
!= PA_ALSA_SWITCH_IGNORE
||
1908 e
->volume_use
!= PA_ALSA_VOLUME_IGNORE
||
1909 e
->enumeration_use
!= PA_ALSA_ENUMERATION_IGNORE
;
1912 static void path_drop_unsupported(pa_alsa_path
*p
) {
1913 pa_alsa_element
*e
, *n
;
1917 for (e
= p
->elements
; e
; e
= n
) {
1920 if (!element_drop_unsupported(e
)) {
1921 PA_LLIST_REMOVE(pa_alsa_element
, p
->elements
, e
);
1927 static void path_make_options_unique(pa_alsa_path
*p
) {
1929 pa_alsa_option
*o
, *u
;
1931 PA_LLIST_FOREACH(e
, p
->elements
) {
1932 PA_LLIST_FOREACH(o
, e
->options
) {
1936 for (u
= o
->next
; u
; u
= u
->next
)
1937 if (pa_streq(u
->name
, o
->name
))
1943 m
= pa_xstrdup(o
->name
);
1945 /* OK, this name is not unique, hence let's rename */
1946 for (i
= 1, u
= o
; u
; u
= u
->next
) {
1949 if (!pa_streq(u
->name
, m
))
1952 nn
= pa_sprintf_malloc("%s-%u", m
, i
);
1956 nd
= pa_sprintf_malloc("%s %u", u
->description
, i
);
1957 pa_xfree(u
->description
);
1958 u
->description
= nd
;
1968 static pa_bool_t
element_create_settings(pa_alsa_element
*e
, pa_alsa_setting
*template) {
1971 for (; e
; e
= e
->next
)
1972 if (e
->switch_use
== PA_ALSA_SWITCH_SELECT
||
1973 e
->enumeration_use
== PA_ALSA_ENUMERATION_SELECT
)
1979 for (o
= e
->options
; o
; o
= o
->next
) {
1983 s
= pa_xnewdup(pa_alsa_setting
, template, 1);
1984 s
->options
= pa_idxset_copy(template->options
);
1985 s
->name
= pa_sprintf_malloc(_("%s+%s"), template->name
, o
->name
);
1987 (template->description
[0] && o
->description
[0])
1988 ? pa_sprintf_malloc(_("%s / %s"), template->description
, o
->description
)
1989 : (template->description
[0]
1990 ? pa_xstrdup(template->description
)
1991 : pa_xstrdup(o
->description
));
1993 s
->priority
= PA_MAX(template->priority
, o
->priority
);
1995 s
= pa_xnew0(pa_alsa_setting
, 1);
1996 s
->options
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
1997 s
->name
= pa_xstrdup(o
->name
);
1998 s
->description
= pa_xstrdup(o
->description
);
1999 s
->priority
= o
->priority
;
2002 pa_idxset_put(s
->options
, o
, NULL
);
2004 if (element_create_settings(e
->next
, s
))
2005 /* This is not a leaf, so let's get rid of it */
2008 /* This is a leaf, so let's add it */
2009 PA_LLIST_INSERT_AFTER(pa_alsa_setting
, e
->path
->settings
, e
->path
->last_setting
, s
);
2011 e
->path
->last_setting
= s
;
2018 static void path_create_settings(pa_alsa_path
*p
) {
2021 element_create_settings(p
->elements
, NULL
);
2024 int pa_alsa_path_probe(pa_alsa_path
*p
, snd_mixer_t
*m
, pa_bool_t ignore_dB
) {
2026 double min_dB
[PA_CHANNEL_POSITION_MAX
], max_dB
[PA_CHANNEL_POSITION_MAX
];
2027 pa_channel_position_t t
;
2038 pa_log_debug("Probing path '%s'", p
->name
);
2040 PA_LLIST_FOREACH(e
, p
->elements
) {
2041 if (element_probe(e
, m
) < 0) {
2042 p
->supported
= FALSE
;
2043 pa_log_debug("Probe of element '%s' failed.", e
->alsa_name
);
2050 if (e
->volume_use
== PA_ALSA_VOLUME_MERGE
) {
2052 if (!p
->has_volume
) {
2053 p
->min_volume
= e
->min_volume
;
2054 p
->max_volume
= e
->max_volume
;
2058 if (!p
->has_volume
) {
2059 for (t
= 0; t
< PA_CHANNEL_POSITION_MAX
; t
++)
2060 if (PA_CHANNEL_POSITION_MASK(t
) & e
->merged_mask
) {
2061 min_dB
[t
] = e
->min_dB
;
2062 max_dB
[t
] = e
->max_dB
;
2069 for (t
= 0; t
< PA_CHANNEL_POSITION_MAX
; t
++)
2070 if (PA_CHANNEL_POSITION_MASK(t
) & e
->merged_mask
) {
2071 min_dB
[t
] += e
->min_dB
;
2072 max_dB
[t
] += e
->max_dB
;
2075 /* Hmm, there's another element before us
2076 * which cannot do dB volumes, so we we need
2077 * to 'neutralize' this slider */
2078 e
->volume_use
= PA_ALSA_VOLUME_ZERO
;
2080 } else if (p
->has_volume
)
2081 /* We can't use this volume, so let's ignore it */
2082 e
->volume_use
= PA_ALSA_VOLUME_IGNORE
;
2084 p
->has_volume
= TRUE
;
2087 if (e
->switch_use
== PA_ALSA_SWITCH_MUTE
)
2091 path_drop_unsupported(p
);
2092 path_make_options_unique(p
);
2093 path_create_settings(p
);
2095 p
->supported
= TRUE
;
2098 p
->min_dB
= INFINITY
;
2099 p
->max_dB
= -INFINITY
;
2101 for (t
= 0; t
< PA_CHANNEL_POSITION_MAX
; t
++) {
2102 if (p
->min_dB
> min_dB
[t
])
2103 p
->min_dB
= min_dB
[t
];
2105 if (p
->max_dB
< max_dB
[t
])
2106 p
->max_dB
= max_dB
[t
];
2112 void pa_alsa_setting_dump(pa_alsa_setting
*s
) {
2115 pa_log_debug("Setting %s (%s) priority=%u",
2117 pa_strnull(s
->description
),
2121 void pa_alsa_option_dump(pa_alsa_option
*o
) {
2124 pa_log_debug("Option %s (%s/%s) index=%i, priority=%u",
2126 pa_strnull(o
->name
),
2127 pa_strnull(o
->description
),
2132 void pa_alsa_element_dump(pa_alsa_element
*e
) {
2136 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",
2144 (long long unsigned) e
->merged_mask
,
2146 pa_yes_no(e
->override_map
));
2148 PA_LLIST_FOREACH(o
, e
->options
)
2149 pa_alsa_option_dump(o
);
2152 void pa_alsa_path_dump(pa_alsa_path
*p
) {
2157 pa_log_debug("Path %s (%s), direction=%i, priority=%u, probed=%s, supported=%s, has_mute=%s, has_volume=%s, "
2158 "has_dB=%s, min_volume=%li, max_volume=%li, min_dB=%g, max_dB=%g",
2160 pa_strnull(p
->description
),
2163 pa_yes_no(p
->probed
),
2164 pa_yes_no(p
->supported
),
2165 pa_yes_no(p
->has_mute
),
2166 pa_yes_no(p
->has_volume
),
2167 pa_yes_no(p
->has_dB
),
2168 p
->min_volume
, p
->max_volume
,
2169 p
->min_dB
, p
->max_dB
);
2171 PA_LLIST_FOREACH(e
, p
->elements
)
2172 pa_alsa_element_dump(e
);
2174 PA_LLIST_FOREACH(s
, p
->settings
)
2175 pa_alsa_setting_dump(s
);
2178 static void element_set_callback(pa_alsa_element
*e
, snd_mixer_t
*m
, snd_mixer_elem_callback_t cb
, void *userdata
) {
2179 snd_mixer_selem_id_t
*sid
;
2180 snd_mixer_elem_t
*me
;
2186 SELEM_INIT(sid
, e
->alsa_name
);
2187 if (!(me
= snd_mixer_find_selem(m
, sid
))) {
2188 pa_log_warn("Element %s seems to have disappeared.", e
->alsa_name
);
2192 snd_mixer_elem_set_callback(me
, cb
);
2193 snd_mixer_elem_set_callback_private(me
, userdata
);
2196 void pa_alsa_path_set_callback(pa_alsa_path
*p
, snd_mixer_t
*m
, snd_mixer_elem_callback_t cb
, void *userdata
) {
2203 PA_LLIST_FOREACH(e
, p
->elements
)
2204 element_set_callback(e
, m
, cb
, userdata
);
2207 void pa_alsa_path_set_set_callback(pa_alsa_path_set
*ps
, snd_mixer_t
*m
, snd_mixer_elem_callback_t cb
, void *userdata
) {
2214 PA_LLIST_FOREACH(p
, ps
->paths
)
2215 pa_alsa_path_set_callback(p
, m
, cb
, userdata
);
2218 pa_alsa_path_set
*pa_alsa_path_set_new(pa_alsa_mapping
*m
, pa_alsa_direction_t direction
) {
2219 pa_alsa_path_set
*ps
;
2220 char **pn
= NULL
, **en
= NULL
, **ie
;
2223 pa_assert(direction
== PA_ALSA_DIRECTION_OUTPUT
|| direction
== PA_ALSA_DIRECTION_INPUT
);
2225 if (m
->direction
!= PA_ALSA_DIRECTION_ANY
&& m
->direction
!= direction
)
2228 ps
= pa_xnew0(pa_alsa_path_set
, 1);
2229 ps
->direction
= direction
;
2231 if (direction
== PA_ALSA_DIRECTION_OUTPUT
)
2232 pn
= m
->output_path_names
;
2233 else if (direction
== PA_ALSA_DIRECTION_INPUT
)
2234 pn
= m
->input_path_names
;
2239 for (in
= pn
; *in
; in
++) {
2241 pa_bool_t duplicate
= FALSE
;
2244 for (kn
= pn
; kn
!= in
; kn
++)
2245 if (pa_streq(*kn
, *in
)) {
2253 fn
= pa_sprintf_malloc("%s.conf", *in
);
2255 if ((p
= pa_alsa_path_new(fn
, direction
))) {
2257 PA_LLIST_INSERT_AFTER(pa_alsa_path
, ps
->paths
, ps
->last_path
, p
);
2267 if (direction
== PA_ALSA_DIRECTION_OUTPUT
)
2268 en
= m
->output_element
;
2269 else if (direction
== PA_ALSA_DIRECTION_INPUT
)
2270 en
= m
->input_element
;
2273 pa_alsa_path_set_free(ps
);
2277 for (ie
= en
; *ie
; ie
++) {
2281 p
= pa_alsa_path_synthesize(*ie
, direction
);
2284 /* Mark all other passed elements for require-absent */
2285 for (je
= en
; *je
; je
++) {
2287 e
= pa_xnew0(pa_alsa_element
, 1);
2289 e
->alsa_name
= pa_xstrdup(*je
);
2290 e
->direction
= direction
;
2291 e
->required_absent
= PA_ALSA_REQUIRED_ANY
;
2293 PA_LLIST_INSERT_AFTER(pa_alsa_element
, p
->elements
, p
->last_element
, e
);
2294 p
->last_element
= e
;
2297 PA_LLIST_INSERT_AFTER(pa_alsa_path
, ps
->paths
, ps
->last_path
, p
);
2304 void pa_alsa_path_set_dump(pa_alsa_path_set
*ps
) {
2308 pa_log_debug("Path Set %p, direction=%i, probed=%s",
2311 pa_yes_no(ps
->probed
));
2313 PA_LLIST_FOREACH(p
, ps
->paths
)
2314 pa_alsa_path_dump(p
);
2317 static void path_set_unify(pa_alsa_path_set
*ps
) {
2319 pa_bool_t has_dB
= TRUE
, has_volume
= TRUE
, has_mute
= TRUE
;
2322 /* We have issues dealing with paths that vary too wildly. That
2323 * means for now we have to have all paths support volume/mute/dB
2326 PA_LLIST_FOREACH(p
, ps
->paths
) {
2327 pa_assert(p
->probed
);
2331 else if (!p
->has_dB
)
2338 if (!has_volume
|| !has_dB
|| !has_mute
) {
2341 pa_log_debug("Some paths of the device lack hardware volume control, disabling hardware control altogether.");
2343 pa_log_debug("Some paths of the device lack dB information, disabling dB logic altogether.");
2346 pa_log_debug("Some paths of the device lack hardware mute control, disabling hardware control altogether.");
2348 PA_LLIST_FOREACH(p
, ps
->paths
) {
2350 p
->has_volume
= FALSE
;
2355 p
->has_mute
= FALSE
;
2360 static void path_set_make_paths_unique(pa_alsa_path_set
*ps
) {
2361 pa_alsa_path
*p
, *q
;
2363 PA_LLIST_FOREACH(p
, ps
->paths
) {
2367 for (q
= p
->next
; q
; q
= q
->next
)
2368 if (pa_streq(q
->name
, p
->name
))
2374 m
= pa_xstrdup(p
->name
);
2376 /* OK, this name is not unique, hence let's rename */
2377 for (i
= 1, q
= p
; q
; q
= q
->next
) {
2380 if (!pa_streq(q
->name
, m
))
2383 nn
= pa_sprintf_malloc("%s-%u", m
, i
);
2387 nd
= pa_sprintf_malloc("%s %u", q
->description
, i
);
2388 pa_xfree(q
->description
);
2389 q
->description
= nd
;
2398 void pa_alsa_path_set_probe(pa_alsa_path_set
*ps
, snd_mixer_t
*m
, pa_bool_t ignore_dB
) {
2399 pa_alsa_path
*p
, *n
;
2406 for (p
= ps
->paths
; p
; p
= n
) {
2409 if (pa_alsa_path_probe(p
, m
, ignore_dB
) < 0) {
2410 PA_LLIST_REMOVE(pa_alsa_path
, ps
->paths
, p
);
2411 pa_alsa_path_free(p
);
2416 path_set_make_paths_unique(ps
);
2420 static void mapping_free(pa_alsa_mapping
*m
) {
2424 pa_xfree(m
->description
);
2426 pa_xstrfreev(m
->device_strings
);
2427 pa_xstrfreev(m
->input_path_names
);
2428 pa_xstrfreev(m
->output_path_names
);
2429 pa_xstrfreev(m
->input_element
);
2430 pa_xstrfreev(m
->output_element
);
2432 pa_assert(!m
->input_pcm
);
2433 pa_assert(!m
->output_pcm
);
2438 static void profile_free(pa_alsa_profile
*p
) {
2442 pa_xfree(p
->description
);
2444 pa_xstrfreev(p
->input_mapping_names
);
2445 pa_xstrfreev(p
->output_mapping_names
);
2447 if (p
->input_mappings
)
2448 pa_idxset_free(p
->input_mappings
, NULL
, NULL
);
2450 if (p
->output_mappings
)
2451 pa_idxset_free(p
->output_mappings
, NULL
, NULL
);
2456 void pa_alsa_profile_set_free(pa_alsa_profile_set
*ps
) {
2462 while ((p
= pa_hashmap_steal_first(ps
->profiles
)))
2465 pa_hashmap_free(ps
->profiles
, NULL
, NULL
);
2471 while ((m
= pa_hashmap_steal_first(ps
->mappings
)))
2474 pa_hashmap_free(ps
->mappings
, NULL
, NULL
);
2480 static pa_alsa_mapping
*mapping_get(pa_alsa_profile_set
*ps
, const char *name
) {
2483 if (!pa_startswith(name
, "Mapping "))
2488 if ((m
= pa_hashmap_get(ps
->mappings
, name
)))
2491 m
= pa_xnew0(pa_alsa_mapping
, 1);
2492 m
->profile_set
= ps
;
2493 m
->name
= pa_xstrdup(name
);
2494 pa_channel_map_init(&m
->channel_map
);
2496 pa_hashmap_put(ps
->mappings
, m
->name
, m
);
2501 static pa_alsa_profile
*profile_get(pa_alsa_profile_set
*ps
, const char *name
) {
2504 if (!pa_startswith(name
, "Profile "))
2509 if ((p
= pa_hashmap_get(ps
->profiles
, name
)))
2512 p
= pa_xnew0(pa_alsa_profile
, 1);
2513 p
->profile_set
= ps
;
2514 p
->name
= pa_xstrdup(name
);
2516 pa_hashmap_put(ps
->profiles
, p
->name
, p
);
2521 static int mapping_parse_device_strings(
2522 const char *filename
,
2524 const char *section
,
2530 pa_alsa_profile_set
*ps
= userdata
;
2535 if (!(m
= mapping_get(ps
, section
))) {
2536 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2540 pa_xstrfreev(m
->device_strings
);
2541 if (!(m
->device_strings
= pa_split_spaces_strv(rvalue
))) {
2542 pa_log("[%s:%u] Device string list empty of '%s'", filename
, line
, section
);
2549 static int mapping_parse_channel_map(
2550 const char *filename
,
2552 const char *section
,
2558 pa_alsa_profile_set
*ps
= userdata
;
2563 if (!(m
= mapping_get(ps
, section
))) {
2564 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2568 if (!(pa_channel_map_parse(&m
->channel_map
, rvalue
))) {
2569 pa_log("[%s:%u] Channel map invalid of '%s'", filename
, line
, section
);
2576 static int mapping_parse_paths(
2577 const char *filename
,
2579 const char *section
,
2585 pa_alsa_profile_set
*ps
= userdata
;
2590 if (!(m
= mapping_get(ps
, section
))) {
2591 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2595 if (pa_streq(lvalue
, "paths-input")) {
2596 pa_xstrfreev(m
->input_path_names
);
2597 m
->input_path_names
= pa_split_spaces_strv(rvalue
);
2599 pa_xstrfreev(m
->output_path_names
);
2600 m
->output_path_names
= pa_split_spaces_strv(rvalue
);
2606 static int mapping_parse_element(
2607 const char *filename
,
2609 const char *section
,
2615 pa_alsa_profile_set
*ps
= userdata
;
2620 if (!(m
= mapping_get(ps
, section
))) {
2621 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2625 if (pa_streq(lvalue
, "element-input")) {
2626 pa_xstrfreev(m
->input_element
);
2627 m
->input_element
= pa_split_spaces_strv(rvalue
);
2629 pa_xstrfreev(m
->output_element
);
2630 m
->output_element
= pa_split_spaces_strv(rvalue
);
2636 static int mapping_parse_direction(
2637 const char *filename
,
2639 const char *section
,
2645 pa_alsa_profile_set
*ps
= userdata
;
2650 if (!(m
= mapping_get(ps
, section
))) {
2651 pa_log("[%s:%u] Section name %s invalid.", filename
, line
, section
);
2655 if (pa_streq(rvalue
, "input"))
2656 m
->direction
= PA_ALSA_DIRECTION_INPUT
;
2657 else if (pa_streq(rvalue
, "output"))
2658 m
->direction
= PA_ALSA_DIRECTION_OUTPUT
;
2659 else if (pa_streq(rvalue
, "any"))
2660 m
->direction
= PA_ALSA_DIRECTION_ANY
;
2662 pa_log("[%s:%u] Direction %s invalid.", filename
, line
, rvalue
);
2669 static int mapping_parse_description(
2670 const char *filename
,
2672 const char *section
,
2678 pa_alsa_profile_set
*ps
= userdata
;
2684 if ((m
= mapping_get(ps
, section
))) {
2685 pa_xstrdup(m
->description
);
2686 m
->description
= pa_xstrdup(rvalue
);
2687 } else if ((p
= profile_get(ps
, section
))) {
2688 pa_xfree(p
->description
);
2689 p
->description
= pa_xstrdup(rvalue
);
2691 pa_log("[%s:%u] Section name %s invalid.", filename
, line
, section
);
2698 static int mapping_parse_priority(
2699 const char *filename
,
2701 const char *section
,
2707 pa_alsa_profile_set
*ps
= userdata
;
2714 if (pa_atou(rvalue
, &prio
) < 0) {
2715 pa_log("[%s:%u] Priority invalid of '%s'", filename
, line
, section
);
2719 if ((m
= mapping_get(ps
, section
)))
2721 else if ((p
= profile_get(ps
, section
)))
2724 pa_log("[%s:%u] Section name %s invalid.", filename
, line
, section
);
2731 static int profile_parse_mappings(
2732 const char *filename
,
2734 const char *section
,
2740 pa_alsa_profile_set
*ps
= userdata
;
2745 if (!(p
= profile_get(ps
, section
))) {
2746 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2750 if (pa_streq(lvalue
, "input-mappings")) {
2751 pa_xstrfreev(p
->input_mapping_names
);
2752 p
->input_mapping_names
= pa_split_spaces_strv(rvalue
);
2754 pa_xstrfreev(p
->output_mapping_names
);
2755 p
->output_mapping_names
= pa_split_spaces_strv(rvalue
);
2761 static int profile_parse_skip_probe(
2762 const char *filename
,
2764 const char *section
,
2770 pa_alsa_profile_set
*ps
= userdata
;
2776 if (!(p
= profile_get(ps
, section
))) {
2777 pa_log("[%s:%u] %s invalid in section %s", filename
, line
, lvalue
, section
);
2781 if ((b
= pa_parse_boolean(rvalue
)) < 0) {
2782 pa_log("[%s:%u] Skip probe invalid of '%s'", filename
, line
, section
);
2791 static int mapping_verify(pa_alsa_mapping
*m
, const pa_channel_map
*bonus
) {
2793 static const struct description_map well_known_descriptions
[] = {
2794 { "analog-mono", N_("Analog Mono") },
2795 { "analog-stereo", N_("Analog Stereo") },
2796 { "analog-surround-21", N_("Analog Surround 2.1") },
2797 { "analog-surround-30", N_("Analog Surround 3.0") },
2798 { "analog-surround-31", N_("Analog Surround 3.1") },
2799 { "analog-surround-40", N_("Analog Surround 4.0") },
2800 { "analog-surround-41", N_("Analog Surround 4.1") },
2801 { "analog-surround-50", N_("Analog Surround 5.0") },
2802 { "analog-surround-51", N_("Analog Surround 5.1") },
2803 { "analog-surround-61", N_("Analog Surround 6.0") },
2804 { "analog-surround-61", N_("Analog Surround 6.1") },
2805 { "analog-surround-70", N_("Analog Surround 7.0") },
2806 { "analog-surround-71", N_("Analog Surround 7.1") },
2807 { "iec958-stereo", N_("Digital Stereo (IEC958)") },
2808 { "iec958-surround-40", N_("Digital Surround 4.0 (IEC958)") },
2809 { "iec958-ac3-surround-40", N_("Digital Surround 4.0 (IEC958/AC3)") },
2810 { "iec958-ac3-surround-51", N_("Digital Surround 5.1 (IEC958/AC3)") },
2811 { "hdmi-stereo", N_("Digital Stereo (HDMI)") }
2816 if (!pa_channel_map_valid(&m
->channel_map
)) {
2817 pa_log("Mapping %s is missing channel map.", m
->name
);
2821 if (!m
->device_strings
) {
2822 pa_log("Mapping %s is missing device strings.", m
->name
);
2826 if ((m
->input_path_names
&& m
->input_element
) ||
2827 (m
->output_path_names
&& m
->output_element
)) {
2828 pa_log("Mapping %s must have either mixer path or mixer elment, not both.", m
->name
);
2832 if (!m
->description
)
2833 m
->description
= pa_xstrdup(lookup_description(m
->name
,
2834 well_known_descriptions
,
2835 PA_ELEMENTSOF(well_known_descriptions
)));
2837 if (!m
->description
)
2838 m
->description
= pa_xstrdup(m
->name
);
2841 if (pa_channel_map_equal(&m
->channel_map
, bonus
))
2843 else if (m
->channel_map
.channels
== bonus
->channels
)
2850 void pa_alsa_mapping_dump(pa_alsa_mapping
*m
) {
2851 char cm
[PA_CHANNEL_MAP_SNPRINT_MAX
];
2855 pa_log_debug("Mapping %s (%s), priority=%u, channel_map=%s, supported=%s, direction=%i",
2857 pa_strnull(m
->description
),
2859 pa_channel_map_snprint(cm
, sizeof(cm
), &m
->channel_map
),
2860 pa_yes_no(m
->supported
),
2864 static void profile_set_add_auto_pair(
2865 pa_alsa_profile_set
*ps
,
2866 pa_alsa_mapping
*m
, /* output */
2867 pa_alsa_mapping
*n
/* input */) {
2875 if (m
&& m
->direction
== PA_ALSA_DIRECTION_INPUT
)
2878 if (n
&& n
->direction
== PA_ALSA_DIRECTION_OUTPUT
)
2882 name
= pa_sprintf_malloc("output:%s+input:%s", m
->name
, n
->name
);
2884 name
= pa_sprintf_malloc("output:%s", m
->name
);
2886 name
= pa_sprintf_malloc("input:%s", n
->name
);
2888 if (pa_hashmap_get(ps
->profiles
, name
)) {
2893 p
= pa_xnew0(pa_alsa_profile
, 1);
2894 p
->profile_set
= ps
;
2898 p
->output_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2899 pa_idxset_put(p
->output_mappings
, m
, NULL
);
2900 p
->priority
+= m
->priority
* 100;
2904 p
->input_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2905 pa_idxset_put(p
->input_mappings
, n
, NULL
);
2906 p
->priority
+= n
->priority
;
2909 pa_hashmap_put(ps
->profiles
, p
->name
, p
);
2912 static void profile_set_add_auto(pa_alsa_profile_set
*ps
) {
2913 pa_alsa_mapping
*m
, *n
;
2914 void *m_state
, *n_state
;
2918 PA_HASHMAP_FOREACH(m
, ps
->mappings
, m_state
) {
2919 profile_set_add_auto_pair(ps
, m
, NULL
);
2921 PA_HASHMAP_FOREACH(n
, ps
->mappings
, n_state
)
2922 profile_set_add_auto_pair(ps
, m
, n
);
2925 PA_HASHMAP_FOREACH(n
, ps
->mappings
, n_state
)
2926 profile_set_add_auto_pair(ps
, NULL
, n
);
2929 static int profile_verify(pa_alsa_profile
*p
) {
2931 static const struct description_map well_known_descriptions
[] = {
2932 { "output:analog-mono+input:analog-mono", N_("Analog Mono Duplex") },
2933 { "output:analog-stereo+input:analog-stereo", N_("Analog Stereo Duplex") },
2934 { "output:iec958-stereo", N_("Digital Stereo Duplex (IEC958)") },
2935 { "off", N_("Off") }
2940 /* Replace the output mapping names by the actual mappings */
2941 if (p
->output_mapping_names
) {
2944 pa_assert(!p
->output_mappings
);
2945 p
->output_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2947 for (name
= p
->output_mapping_names
; *name
; name
++) {
2950 pa_bool_t duplicate
= FALSE
;
2952 for (in
= name
+ 1; *in
; in
++)
2953 if (pa_streq(*name
, *in
)) {
2961 if (!(m
= pa_hashmap_get(p
->profile_set
->mappings
, *name
)) || m
->direction
== PA_ALSA_DIRECTION_INPUT
) {
2962 pa_log("Profile '%s' refers to unexistant mapping '%s'.", p
->name
, *name
);
2966 pa_idxset_put(p
->output_mappings
, m
, NULL
);
2972 pa_xstrfreev(p
->output_mapping_names
);
2973 p
->output_mapping_names
= NULL
;
2976 /* Replace the input mapping names by the actual mappings */
2977 if (p
->input_mapping_names
) {
2980 pa_assert(!p
->input_mappings
);
2981 p
->input_mappings
= pa_idxset_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
2983 for (name
= p
->input_mapping_names
; *name
; name
++) {
2986 pa_bool_t duplicate
= FALSE
;
2988 for (in
= name
+ 1; *in
; in
++)
2989 if (pa_streq(*name
, *in
)) {
2997 if (!(m
= pa_hashmap_get(p
->profile_set
->mappings
, *name
)) || m
->direction
== PA_ALSA_DIRECTION_OUTPUT
) {
2998 pa_log("Profile '%s' refers to unexistant mapping '%s'.", p
->name
, *name
);
3002 pa_idxset_put(p
->input_mappings
, m
, NULL
);
3008 pa_xstrfreev(p
->input_mapping_names
);
3009 p
->input_mapping_names
= NULL
;
3012 if (!p
->input_mappings
&& !p
->output_mappings
) {
3013 pa_log("Profile '%s' lacks mappings.", p
->name
);
3017 if (!p
->description
)
3018 p
->description
= pa_xstrdup(lookup_description(p
->name
,
3019 well_known_descriptions
,
3020 PA_ELEMENTSOF(well_known_descriptions
)));
3022 if (!p
->description
) {
3027 sb
= pa_strbuf_new();
3029 if (p
->output_mappings
)
3030 PA_IDXSET_FOREACH(m
, p
->output_mappings
, idx
) {
3031 if (!pa_strbuf_isempty(sb
))
3032 pa_strbuf_puts(sb
, " + ");
3034 pa_strbuf_printf(sb
, "%s Output", m
->description
);
3037 if (p
->input_mappings
)
3038 PA_IDXSET_FOREACH(m
, p
->input_mappings
, idx
) {
3039 if (!pa_strbuf_isempty(sb
))
3040 pa_strbuf_puts(sb
, " + ");
3042 pa_strbuf_printf(sb
, "%s Input", m
->description
);
3045 p
->description
= pa_strbuf_tostring_free(sb
);
3051 void pa_alsa_profile_dump(pa_alsa_profile
*p
) {
3056 pa_log_debug("Profile %s (%s), priority=%u, supported=%s n_input_mappings=%u, n_output_mappings=%u",
3058 pa_strnull(p
->description
),
3060 pa_yes_no(p
->supported
),
3061 p
->input_mappings
? pa_idxset_size(p
->input_mappings
) : 0,
3062 p
->output_mappings
? pa_idxset_size(p
->output_mappings
) : 0);
3064 if (p
->input_mappings
)
3065 PA_IDXSET_FOREACH(m
, p
->input_mappings
, idx
)
3066 pa_log_debug("Input %s", m
->name
);
3068 if (p
->output_mappings
)
3069 PA_IDXSET_FOREACH(m
, p
->output_mappings
, idx
)
3070 pa_log_debug("Output %s", m
->name
);
3073 pa_alsa_profile_set
* pa_alsa_profile_set_new(const char *fname
, const pa_channel_map
*bonus
) {
3074 pa_alsa_profile_set
*ps
;
3081 static pa_config_item items
[] = {
3083 { "auto-profiles", pa_config_parse_bool
, NULL
, "General" },
3086 { "device-strings", mapping_parse_device_strings
, NULL
, NULL
},
3087 { "channel-map", mapping_parse_channel_map
, NULL
, NULL
},
3088 { "paths-input", mapping_parse_paths
, NULL
, NULL
},
3089 { "paths-output", mapping_parse_paths
, NULL
, NULL
},
3090 { "element-input", mapping_parse_element
, NULL
, NULL
},
3091 { "element-output", mapping_parse_element
, NULL
, NULL
},
3092 { "direction", mapping_parse_direction
, NULL
, NULL
},
3094 /* Shared by [Mapping ...] and [Profile ...] */
3095 { "description", mapping_parse_description
, NULL
, NULL
},
3096 { "priority", mapping_parse_priority
, NULL
, NULL
},
3099 { "input-mappings", profile_parse_mappings
, NULL
, NULL
},
3100 { "output-mappings", profile_parse_mappings
, NULL
, NULL
},
3101 { "skip-probe", profile_parse_skip_probe
, NULL
, NULL
},
3102 { NULL
, NULL
, NULL
, NULL
}
3105 ps
= pa_xnew0(pa_alsa_profile_set
, 1);
3106 ps
->mappings
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3107 ps
->profiles
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3109 items
[0].data
= &ps
->auto_profiles
;
3112 fname
= "default.conf";
3114 fn
= pa_maybe_prefix_path(fname
,
3115 #if defined(__linux__) && !defined(__OPTIMIZE__)
3116 pa_run_from_build_tree() ? PA_BUILDDIR
"/modules/alsa/mixer/profile-sets/" :
3118 PA_ALSA_PROFILE_SETS_DIR
);
3120 r
= pa_config_parse(fn
, NULL
, items
, ps
);
3126 PA_HASHMAP_FOREACH(m
, ps
->mappings
, state
)
3127 if (mapping_verify(m
, bonus
) < 0)
3130 if (ps
->auto_profiles
)
3131 profile_set_add_auto(ps
);
3133 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
)
3134 if (profile_verify(p
) < 0)
3140 pa_alsa_profile_set_free(ps
);
3144 void pa_alsa_profile_set_probe(
3145 pa_alsa_profile_set
*ps
,
3147 const pa_sample_spec
*ss
,
3148 unsigned default_n_fragments
,
3149 unsigned default_fragment_size_msec
) {
3152 pa_alsa_profile
*p
, *last
= NULL
;
3162 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
) {
3163 pa_sample_spec try_ss
;
3164 pa_channel_map try_map
;
3165 snd_pcm_uframes_t try_period_size
, try_buffer_size
;
3168 /* Is this already marked that it is supported? (i.e. from the config file) */
3172 pa_log_debug("Looking at profile %s", p
->name
);
3174 /* Close PCMs from the last iteration we don't need anymore */
3175 if (last
&& last
->output_mappings
)
3176 PA_IDXSET_FOREACH(m
, last
->output_mappings
, idx
) {
3181 if (last
->supported
)
3184 if (!p
->output_mappings
|| !pa_idxset_get_by_data(p
->output_mappings
, m
, NULL
)) {
3185 snd_pcm_close(m
->output_pcm
);
3186 m
->output_pcm
= NULL
;
3190 if (last
&& last
->input_mappings
)
3191 PA_IDXSET_FOREACH(m
, last
->input_mappings
, idx
) {
3196 if (last
->supported
)
3199 if (!p
->input_mappings
|| !pa_idxset_get_by_data(p
->input_mappings
, m
, NULL
)) {
3200 snd_pcm_close(m
->input_pcm
);
3201 m
->input_pcm
= NULL
;
3205 p
->supported
= TRUE
;
3207 /* Check if we can open all new ones */
3208 if (p
->output_mappings
)
3209 PA_IDXSET_FOREACH(m
, p
->output_mappings
, idx
) {
3214 pa_log_debug("Checking for playback on %s (%s)", m
->description
, m
->name
);
3215 try_map
= m
->channel_map
;
3217 try_ss
.channels
= try_map
.channels
;
3220 pa_usec_to_bytes(default_fragment_size_msec
* PA_USEC_PER_MSEC
, &try_ss
) /
3221 pa_frame_size(&try_ss
);
3222 try_buffer_size
= default_n_fragments
* try_period_size
;
3224 if (!(m
->output_pcm
= pa_alsa_open_by_template(
3229 SND_PCM_STREAM_PLAYBACK
,
3230 &try_period_size
, &try_buffer_size
, 0, NULL
, NULL
,
3232 p
->supported
= FALSE
;
3237 if (p
->input_mappings
&& p
->supported
)
3238 PA_IDXSET_FOREACH(m
, p
->input_mappings
, idx
) {
3243 pa_log_debug("Checking for recording on %s (%s)", m
->description
, m
->name
);
3244 try_map
= m
->channel_map
;
3246 try_ss
.channels
= try_map
.channels
;
3249 pa_usec_to_bytes(default_fragment_size_msec
*PA_USEC_PER_MSEC
, &try_ss
) /
3250 pa_frame_size(&try_ss
);
3251 try_buffer_size
= default_n_fragments
* try_period_size
;
3253 if (!(m
->input_pcm
= pa_alsa_open_by_template(
3258 SND_PCM_STREAM_CAPTURE
,
3259 &try_period_size
, &try_buffer_size
, 0, NULL
, NULL
,
3261 p
->supported
= FALSE
;
3269 pa_log_debug("Profile %s supported.", p
->name
);
3276 if (last
->output_mappings
)
3277 PA_IDXSET_FOREACH(m
, last
->output_mappings
, idx
)
3278 if (m
->output_pcm
) {
3280 if (last
->supported
)
3283 snd_pcm_close(m
->output_pcm
);
3284 m
->output_pcm
= NULL
;
3287 if (last
->input_mappings
)
3288 PA_IDXSET_FOREACH(m
, last
->input_mappings
, idx
)
3291 if (last
->supported
)
3294 snd_pcm_close(m
->input_pcm
);
3295 m
->input_pcm
= NULL
;
3299 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
)
3300 if (!p
->supported
) {
3301 pa_hashmap_remove(ps
->profiles
, p
->name
);
3305 PA_HASHMAP_FOREACH(m
, ps
->mappings
, state
)
3306 if (m
->supported
<= 0) {
3307 pa_hashmap_remove(ps
->mappings
, m
->name
);
3314 void pa_alsa_profile_set_dump(pa_alsa_profile_set
*ps
) {
3321 pa_log_debug("Profile set %p, auto_profiles=%s, probed=%s, n_mappings=%u, n_profiles=%u",
3324 pa_yes_no(ps
->auto_profiles
),
3325 pa_yes_no(ps
->probed
),
3326 pa_hashmap_size(ps
->mappings
),
3327 pa_hashmap_size(ps
->profiles
));
3329 PA_HASHMAP_FOREACH(m
, ps
->mappings
, state
)
3330 pa_alsa_mapping_dump(m
);
3332 PA_HASHMAP_FOREACH(p
, ps
->profiles
, state
)
3333 pa_alsa_profile_dump(p
);
3336 void pa_alsa_add_ports(pa_hashmap
**p
, pa_alsa_path_set
*ps
) {
3343 /* if there is no path, we don't want a port list */
3347 if (!ps
->paths
->next
){
3350 /* If there is only one path, but no or only one setting, then
3351 * we want a port list either */
3352 if (!ps
->paths
->settings
|| !ps
->paths
->settings
->next
)
3355 /* Ok, there is only one path, however with multiple settings,
3356 * so let's create a port for each setting */
3357 *p
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3359 PA_LLIST_FOREACH(s
, ps
->paths
->settings
) {
3360 pa_device_port
*port
;
3361 pa_alsa_port_data
*data
;
3363 port
= pa_device_port_new(s
->name
, s
->description
, sizeof(pa_alsa_port_data
));
3364 port
->priority
= s
->priority
;
3366 data
= PA_DEVICE_PORT_DATA(port
);
3367 data
->path
= ps
->paths
;
3370 pa_hashmap_put(*p
, port
->name
, port
);
3375 /* We have multiple paths, so let's create a port for each
3376 * one, and each of each settings */
3377 *p
= pa_hashmap_new(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
);
3379 PA_LLIST_FOREACH(path
, ps
->paths
) {
3381 if (!path
->settings
|| !path
->settings
->next
) {
3382 pa_device_port
*port
;
3383 pa_alsa_port_data
*data
;
3385 /* If there is no or just one setting we only need a
3388 port
= pa_device_port_new(path
->name
, path
->description
, sizeof(pa_alsa_port_data
));
3389 port
->priority
= path
->priority
* 100;
3392 data
= PA_DEVICE_PORT_DATA(port
);
3394 data
->setting
= path
->settings
;
3396 pa_hashmap_put(*p
, port
->name
, port
);
3400 PA_LLIST_FOREACH(s
, path
->settings
) {
3401 pa_device_port
*port
;
3402 pa_alsa_port_data
*data
;
3405 n
= pa_sprintf_malloc("%s;%s", path
->name
, s
->name
);
3407 if (s
->description
[0])
3408 d
= pa_sprintf_malloc(_("%s / %s"), path
->description
, s
->description
);
3410 d
= pa_xstrdup(path
->description
);
3412 port
= pa_device_port_new(n
, d
, sizeof(pa_alsa_port_data
));
3413 port
->priority
= path
->priority
* 100 + s
->priority
;
3418 data
= PA_DEVICE_PORT_DATA(port
);
3422 pa_hashmap_put(*p
, port
->name
, port
);
3428 pa_log_debug("Added %u ports", pa_hashmap_size(*p
));