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pulseaudio/src/modules/alsa/alsa-ucm.c
Tanu Kaskinen c2c00ce6c2 alsa: Handle pa_device_port_new() failures 
pa_device_port_new() can't currently fail, but it soon can.
2013-09-17 16:21:40 +03:00

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/***
This file is part of PulseAudio.
Copyright 2011 Wolfson Microelectronics PLC
Author Margarita Olaya <magi@slimlogic.co.uk>
Copyright 2012 Feng Wei <wei.feng@freescale.com>, Freescale Ltd.
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <sys/types.h>
#include <limits.h>
#include <asoundlib.h>
#ifdef HAVE_VALGRIND_MEMCHECK_H
#include <valgrind/memcheck.h>
#endif
#include <pulse/sample.h>
#include <pulse/xmalloc.h>
#include <pulse/timeval.h>
#include <pulse/util.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include <pulsecore/core-util.h>
#include <pulsecore/atomic.h>
#include <pulsecore/core-error.h>
#include <pulsecore/once.h>
#include <pulsecore/thread.h>
#include <pulsecore/conf-parser.h>
#include <pulsecore/strbuf.h>
#include "alsa-mixer.h"
#include "alsa-util.h"
#include "alsa-ucm.h"
#define PA_UCM_PRE_TAG_OUTPUT "[Out] "
#define PA_UCM_PRE_TAG_INPUT "[In] "
#define PA_UCM_PLAYBACK_PRIORITY_UNSET(device) ((device)->playback_channels && !(device)->playback_priority)
#define PA_UCM_CAPTURE_PRIORITY_UNSET(device) ((device)->capture_channels && !(device)->capture_priority)
#define PA_UCM_DEVICE_PRIORITY_SET(device, priority) \
do { \
if (PA_UCM_PLAYBACK_PRIORITY_UNSET(device)) (device)->playback_priority = (priority); \
if (PA_UCM_CAPTURE_PRIORITY_UNSET(device)) (device)->capture_priority = (priority); \
} while (0)
#define PA_UCM_IS_MODIFIER_MAPPING(m) ((pa_proplist_gets((m)->proplist, PA_ALSA_PROP_UCM_MODIFIER)) != NULL)
#ifdef HAVE_ALSA_UCM
struct ucm_items {
const char *id;
const char *property;
};
struct ucm_info {
const char *id;
unsigned priority;
};
static struct ucm_items item[] = {
{"PlaybackPCM", PA_ALSA_PROP_UCM_SINK},
{"CapturePCM", PA_ALSA_PROP_UCM_SOURCE},
{"PlaybackVolume", PA_ALSA_PROP_UCM_PLAYBACK_VOLUME},
{"PlaybackSwitch", PA_ALSA_PROP_UCM_PLAYBACK_SWITCH},
{"PlaybackPriority", PA_ALSA_PROP_UCM_PLAYBACK_PRIORITY},
{"PlaybackRate", PA_ALSA_PROP_UCM_PLAYBACK_RATE},
{"PlaybackChannels", PA_ALSA_PROP_UCM_PLAYBACK_CHANNELS},
{"CaptureVolume", PA_ALSA_PROP_UCM_CAPTURE_VOLUME},
{"CaptureSwitch", PA_ALSA_PROP_UCM_CAPTURE_SWITCH},
{"CapturePriority", PA_ALSA_PROP_UCM_CAPTURE_PRIORITY},
{"CaptureRate", PA_ALSA_PROP_UCM_CAPTURE_RATE},
{"CaptureChannels", PA_ALSA_PROP_UCM_CAPTURE_CHANNELS},
{"TQ", PA_ALSA_PROP_UCM_QOS},
{NULL, NULL},
};
/* UCM verb info - this should eventually be part of policy manangement */
static struct ucm_info verb_info[] = {
{SND_USE_CASE_VERB_INACTIVE, 0},
{SND_USE_CASE_VERB_HIFI, 8000},
{SND_USE_CASE_VERB_HIFI_LOW_POWER, 7000},
{SND_USE_CASE_VERB_VOICE, 6000},
{SND_USE_CASE_VERB_VOICE_LOW_POWER, 5000},
{SND_USE_CASE_VERB_VOICECALL, 4000},
{SND_USE_CASE_VERB_IP_VOICECALL, 4000},
{SND_USE_CASE_VERB_ANALOG_RADIO, 3000},
{SND_USE_CASE_VERB_DIGITAL_RADIO, 3000},
{NULL, 0}
};
/* UCM device info - should be overwritten by ucm property */
static struct ucm_info dev_info[] = {
{SND_USE_CASE_DEV_SPEAKER, 100},
{SND_USE_CASE_DEV_LINE, 100},
{SND_USE_CASE_DEV_HEADPHONES, 100},
{SND_USE_CASE_DEV_HEADSET, 300},
{SND_USE_CASE_DEV_HANDSET, 200},
{SND_USE_CASE_DEV_BLUETOOTH, 400},
{SND_USE_CASE_DEV_EARPIECE, 100},
{SND_USE_CASE_DEV_SPDIF, 100},
{SND_USE_CASE_DEV_HDMI, 100},
{SND_USE_CASE_DEV_NONE, 100},
{NULL, 0}
};
/* UCM profile properties - The verb data is store so it can be used to fill
* the new profiles properties */
static int ucm_get_property(pa_alsa_ucm_verb *verb, snd_use_case_mgr_t *uc_mgr, const char *verb_name) {
const char *value;
char *id;
int i;
for (i = 0; item[i].id; i++) {
int err;
id = pa_sprintf_malloc("=%s//%s", item[i].id, verb_name);
err = snd_use_case_get(uc_mgr, id, &value);
pa_xfree(id);
if (err < 0)
continue;
pa_log_debug("Got %s for verb %s: %s", item[i].id, verb_name, value);
pa_proplist_sets(verb->proplist, item[i].property, value);
free((void*)value);
}
return 0;
};
static int ucm_device_exists(pa_idxset *idxset, pa_alsa_ucm_device *dev) {
pa_alsa_ucm_device *d;
uint32_t idx;
PA_IDXSET_FOREACH(d, idxset, idx)
if (d == dev)
return 1;
return 0;
}
static void ucm_add_devices_to_idxset(
pa_idxset *idxset,
pa_alsa_ucm_device *me,
pa_alsa_ucm_device *devices,
const char **dev_names,
int n) {
pa_alsa_ucm_device *d;
PA_LLIST_FOREACH(d, devices) {
const char *name;
int i;
if (d == me)
continue;
name = pa_proplist_gets(d->proplist, PA_ALSA_PROP_UCM_NAME);
for (i = 0; i < n; i++)
if (pa_streq(dev_names[i], name))
pa_idxset_put(idxset, d, NULL);
}
}
/* Create a property list for this ucm device */
static int ucm_get_device_property(
pa_alsa_ucm_device *device,
snd_use_case_mgr_t *uc_mgr,
pa_alsa_ucm_verb *verb,
const char *device_name) {
const char *value;
const char **devices;
char *id;
int i;
int err;
uint32_t ui;
int n_confdev, n_suppdev;
for (i = 0; item[i].id; i++) {
id = pa_sprintf_malloc("=%s/%s", item[i].id, device_name);
err = snd_use_case_get(uc_mgr, id, &value);
pa_xfree(id);
if (err < 0)
continue;
pa_log_debug("Got %s for device %s: %s", item[i].id, device_name, value);
pa_proplist_sets(device->proplist, item[i].property, value);
free((void*)value);
}
/* get direction and channels */
value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_PLAYBACK_CHANNELS);
if (value) { /* output */
/* get channels */
if (pa_atou(value, &ui) == 0 && ui < PA_CHANNELS_MAX)
device->playback_channels = ui;
else
pa_log("UCM playback channels %s for device %s out of range", value, device_name);
/* get pcm */
value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_SINK);
if (!value) { /* take pcm from verb playback default */
value = pa_proplist_gets(verb->proplist, PA_ALSA_PROP_UCM_SINK);
if (value) {
pa_log_debug("UCM playback device %s fetch pcm from verb default %s", device_name, value);
pa_proplist_sets(device->proplist, PA_ALSA_PROP_UCM_SINK, value);
} else
pa_log("UCM playback device %s fetch pcm failed", device_name);
}
}
value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_CAPTURE_CHANNELS);
if (value) { /* input */
/* get channels */
if (pa_atou(value, &ui) == 0 && ui < PA_CHANNELS_MAX)
device->capture_channels = ui;
else
pa_log("UCM capture channels %s for device %s out of range", value, device_name);
/* get pcm */
value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_SOURCE);
if (!value) { /* take pcm from verb capture default */
value = pa_proplist_gets(verb->proplist, PA_ALSA_PROP_UCM_SOURCE);
if (value) {
pa_log_debug("UCM capture device %s fetch pcm from verb default %s", device_name, value);
pa_proplist_sets(device->proplist, PA_ALSA_PROP_UCM_SOURCE, value);
} else
pa_log("UCM capture device %s fetch pcm failed", device_name);
}
}
if (device->playback_channels == 0 && device->capture_channels == 0) {
pa_log_warn("UCM file does not specify 'PlaybackChannels' or 'CaptureChannels'"
"for device %s, assuming stereo duplex.", device_name);
device->playback_channels = 2;
device->capture_channels = 2;
}
/* get rate and priority of device */
if (device->playback_channels) { /* sink device */
/* get rate */
if ((value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_PLAYBACK_RATE)) ||
(value = pa_proplist_gets(verb->proplist, PA_ALSA_PROP_UCM_PLAYBACK_RATE))) {
if (pa_atou(value, &ui) == 0 && ui < PA_RATE_MAX) {
pa_log_debug("UCM playback device %s rate %d", device_name, ui);
device->playback_rate = ui;
} else
pa_log_debug("UCM playback device %s has bad rate %s", device_name, value);
}
value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_PLAYBACK_PRIORITY);
if (value) {
/* get priority from ucm config */
if (pa_atou(value, &ui) == 0)
device->playback_priority = ui;
else
pa_log_debug("UCM playback priority %s for device %s error", value, device_name);
}
}
if (device->capture_channels) { /* source device */
/* get rate */
if ((value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_CAPTURE_RATE)) ||
(value = pa_proplist_gets(verb->proplist, PA_ALSA_PROP_UCM_CAPTURE_RATE))) {
if (pa_atou(value, &ui) == 0 && ui < PA_RATE_MAX) {
pa_log_debug("UCM capture device %s rate %d", device_name, ui);
device->capture_rate = ui;
} else
pa_log_debug("UCM capture device %s has bad rate %s", device_name, value);
}
value = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_CAPTURE_PRIORITY);
if (value) {
/* get priority from ucm config */
if (pa_atou(value, &ui) == 0)
device->capture_priority = ui;
else
pa_log_debug("UCM capture priority %s for device %s error", value, device_name);
}
}
if (PA_UCM_PLAYBACK_PRIORITY_UNSET(device) || PA_UCM_CAPTURE_PRIORITY_UNSET(device)) {
/* get priority from static table */
for (i = 0; dev_info[i].id; i++) {
if (strcasecmp(dev_info[i].id, device_name) == 0) {
PA_UCM_DEVICE_PRIORITY_SET(device, dev_info[i].priority);
break;
}
}
}
if (PA_UCM_PLAYBACK_PRIORITY_UNSET(device)) {
/* fall through to default priority */
device->playback_priority = 100;
}
if (PA_UCM_CAPTURE_PRIORITY_UNSET(device)) {
/* fall through to default priority */
device->capture_priority = 100;
}
id = pa_sprintf_malloc("%s/%s", "_conflictingdevs", device_name);
n_confdev = snd_use_case_get_list(uc_mgr, id, &devices);
pa_xfree(id);
if (n_confdev <= 0)
pa_log_debug("No %s for device %s", "_conflictingdevs", device_name);
else {
device->conflicting_devices = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
ucm_add_devices_to_idxset(device->conflicting_devices, device, verb->devices, devices, n_confdev);
snd_use_case_free_list(devices, n_confdev);
}
id = pa_sprintf_malloc("%s/%s", "_supporteddevs", device_name);
n_suppdev = snd_use_case_get_list(uc_mgr, id, &devices);
pa_xfree(id);
if (n_suppdev <= 0)
pa_log_debug("No %s for device %s", "_supporteddevs", device_name);
else {
device->supported_devices = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
ucm_add_devices_to_idxset(device->supported_devices, device, verb->devices, devices, n_suppdev);
snd_use_case_free_list(devices, n_suppdev);
}
return 0;
};
/* Create a property list for this ucm modifier */
static int ucm_get_modifier_property(pa_alsa_ucm_modifier *modifier, snd_use_case_mgr_t *uc_mgr, const char *modifier_name) {
const char *value;
char *id;
int i;
for (i = 0; item[i].id; i++) {
int err;
id = pa_sprintf_malloc("=%s/%s", item[i].id, modifier_name);
err = snd_use_case_get(uc_mgr, id, &value);
pa_xfree(id);
if (err < 0)
continue;
pa_log_debug("Got %s for modifier %s: %s", item[i].id, modifier_name, value);
pa_proplist_sets(modifier->proplist, item[i].property, value);
free((void*)value);
}
id = pa_sprintf_malloc("%s/%s", "_conflictingdevs", modifier_name);
modifier->n_confdev = snd_use_case_get_list(uc_mgr, id, &modifier->conflicting_devices);
pa_xfree(id);
if (modifier->n_confdev < 0)
pa_log_debug("No %s for modifier %s", "_conflictingdevs", modifier_name);
id = pa_sprintf_malloc("%s/%s", "_supporteddevs", modifier_name);
modifier->n_suppdev = snd_use_case_get_list(uc_mgr, id, &modifier->supported_devices);
pa_xfree(id);
if (modifier->n_suppdev < 0)
pa_log_debug("No %s for modifier %s", "_supporteddevs", modifier_name);
return 0;
};
/* Create a list of devices for this verb */
static int ucm_get_devices(pa_alsa_ucm_verb *verb, snd_use_case_mgr_t *uc_mgr) {
const char **dev_list;
int num_dev, i;
num_dev = snd_use_case_get_list(uc_mgr, "_devices", &dev_list);
if (num_dev < 0)
return num_dev;
for (i = 0; i < num_dev; i += 2) {
pa_alsa_ucm_device *d = pa_xnew0(pa_alsa_ucm_device, 1);
d->proplist = pa_proplist_new();
pa_proplist_sets(d->proplist, PA_ALSA_PROP_UCM_NAME, pa_strnull(dev_list[i]));
pa_proplist_sets(d->proplist, PA_ALSA_PROP_UCM_DESCRIPTION, pa_strna(dev_list[i + 1]));
PA_LLIST_PREPEND(pa_alsa_ucm_device, verb->devices, d);
}
snd_use_case_free_list(dev_list, num_dev);
return 0;
};
static int ucm_get_modifiers(pa_alsa_ucm_verb *verb, snd_use_case_mgr_t *uc_mgr) {
const char **mod_list;
int num_mod, i;
num_mod = snd_use_case_get_list(uc_mgr, "_modifiers", &mod_list);
if (num_mod < 0)
return num_mod;
for (i = 0; i < num_mod; i += 2) {
pa_alsa_ucm_modifier *m;
if (!mod_list[i]) {
pa_log_warn("Got a modifier with a null name. Skipping.");
continue;
}
m = pa_xnew0(pa_alsa_ucm_modifier, 1);
m->proplist = pa_proplist_new();
pa_proplist_sets(m->proplist, PA_ALSA_PROP_UCM_NAME, mod_list[i]);
pa_proplist_sets(m->proplist, PA_ALSA_PROP_UCM_DESCRIPTION, pa_strna(mod_list[i + 1]));
PA_LLIST_PREPEND(pa_alsa_ucm_modifier, verb->modifiers, m);
}
snd_use_case_free_list(mod_list, num_mod);
return 0;
};
static void add_role_to_device(pa_alsa_ucm_device *dev, const char *dev_name, const char *role_name, const char *role) {
const char *cur = pa_proplist_gets(dev->proplist, role_name);
if (!cur)
pa_proplist_sets(dev->proplist, role_name, role);
else if (!pa_str_in_list_spaces(cur, role)) { /* does not exist */
char *value = pa_sprintf_malloc("%s %s", cur, role);
pa_proplist_sets(dev->proplist, role_name, value);
pa_xfree(value);
}
pa_log_info("Add role %s to device %s(%s), result %s", role, dev_name, role_name, pa_proplist_gets(dev->proplist,
role_name));
}
static void add_media_role(const char *name, pa_alsa_ucm_device *list, const char *role_name, const char *role, bool is_sink) {
pa_alsa_ucm_device *d;
PA_LLIST_FOREACH(d, list) {
const char *dev_name = pa_proplist_gets(d->proplist, PA_ALSA_PROP_UCM_NAME);
if (pa_streq(dev_name, name)) {
const char *sink = pa_proplist_gets(d->proplist, PA_ALSA_PROP_UCM_SINK);
const char *source = pa_proplist_gets(d->proplist, PA_ALSA_PROP_UCM_SOURCE);
if (is_sink && sink)
add_role_to_device(d, dev_name, role_name, role);
else if (!is_sink && source)
add_role_to_device(d, dev_name, role_name, role);
break;
}
}
}
static char *modifier_name_to_role(const char *mod_name, bool *is_sink) {
char *sub = NULL, *tmp;
*is_sink = false;
if (pa_startswith(mod_name, "Play")) {
*is_sink = true;
sub = pa_xstrdup(mod_name + 4);
} else if (pa_startswith(mod_name, "Capture"))
sub = pa_xstrdup(mod_name + 7);
if (!sub || !*sub) {
pa_xfree(sub);
pa_log_warn("Can't match media roles for modifer %s", mod_name);
return NULL;
}
tmp = sub;
do {
*tmp = tolower(*tmp);
} while (*(++tmp));
return sub;
}
static void ucm_set_media_roles(pa_alsa_ucm_modifier *modifier, pa_alsa_ucm_device *list, const char *mod_name) {
int i;
bool is_sink = false;
char *sub = NULL;
const char *role_name;
sub = modifier_name_to_role(mod_name, &is_sink);
if (!sub)
return;
modifier->action_direction = is_sink ? PA_DIRECTION_OUTPUT : PA_DIRECTION_INPUT;
modifier->media_role = sub;
role_name = is_sink ? PA_ALSA_PROP_UCM_PLAYBACK_ROLES : PA_ALSA_PROP_UCM_CAPTURE_ROLES;
for (i = 0; i < modifier->n_suppdev; i++) {
/* if modifier has no specific pcm, we add role intent to its supported devices */
if (!pa_proplist_gets(modifier->proplist, PA_ALSA_PROP_UCM_SINK) &&
!pa_proplist_gets(modifier->proplist, PA_ALSA_PROP_UCM_SOURCE))
add_media_role(modifier->supported_devices[i], list, role_name, sub, is_sink);
}
}
static void append_lost_relationship(pa_alsa_ucm_device *dev) {
uint32_t idx;
pa_alsa_ucm_device *d;
if (dev->conflicting_devices) {
PA_IDXSET_FOREACH(d, dev->conflicting_devices, idx) {
if (!d->conflicting_devices)
d->conflicting_devices = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
if (pa_idxset_put(d->conflicting_devices, dev, NULL) == 0)
pa_log_warn("Add lost conflicting device %s to %s",
pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME),
pa_proplist_gets(d->proplist, PA_ALSA_PROP_UCM_NAME));
}
}
if (dev->supported_devices) {
PA_IDXSET_FOREACH(d, dev->supported_devices, idx) {
if (!d->supported_devices)
d->supported_devices = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
if (pa_idxset_put(d->supported_devices, dev, NULL) == 0)
pa_log_warn("Add lost supported device %s to %s",
pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME),
pa_proplist_gets(d->proplist, PA_ALSA_PROP_UCM_NAME));
}
}
}
int pa_alsa_ucm_query_profiles(pa_alsa_ucm_config *ucm, int card_index) {
char *card_name;
const char **verb_list;
int num_verbs, i, err = 0;
/* is UCM available for this card ? */
err = snd_card_get_name(card_index, &card_name);
if (err < 0) {
pa_log("Card can't get card_name from card_index %d", card_index);
goto name_fail;
}
err = snd_use_case_mgr_open(&ucm->ucm_mgr, card_name);
if (err < 0) {
pa_log_info("UCM not available for card %s", card_name);
goto ucm_mgr_fail;
}
pa_log_info("UCM available for card %s", card_name);
/* get a list of all UCM verbs (profiles) for this card */
num_verbs = snd_use_case_verb_list(ucm->ucm_mgr, &verb_list);
if (num_verbs < 0) {
pa_log("UCM verb list not found for %s", card_name);
goto ucm_verb_fail;
}
/* get the properties of each UCM verb */
for (i = 0; i < num_verbs; i += 2) {
pa_alsa_ucm_verb *verb;
/* Get devices and modifiers for each verb */
err = pa_alsa_ucm_get_verb(ucm->ucm_mgr, verb_list[i], verb_list[i+1], &verb);
if (err < 0) {
pa_log("Failed to get the verb %s", verb_list[i]);
continue;
}
PA_LLIST_PREPEND(pa_alsa_ucm_verb, ucm->verbs, verb);
}
if (!ucm->verbs) {
pa_log("No UCM verb is valid for %s", card_name);
err = -1;
}
snd_use_case_free_list(verb_list, num_verbs);
ucm_verb_fail:
if (err < 0) {
snd_use_case_mgr_close(ucm->ucm_mgr);
ucm->ucm_mgr = NULL;
}
ucm_mgr_fail:
free(card_name);
name_fail:
return err;
}
int pa_alsa_ucm_get_verb(snd_use_case_mgr_t *uc_mgr, const char *verb_name, const char *verb_desc, pa_alsa_ucm_verb **p_verb) {
pa_alsa_ucm_device *d;
pa_alsa_ucm_modifier *mod;
pa_alsa_ucm_verb *verb;
int err = 0;
*p_verb = NULL;
pa_log_info("Set UCM verb to %s", verb_name);
err = snd_use_case_set(uc_mgr, "_verb", verb_name);
if (err < 0)
return err;
verb = pa_xnew0(pa_alsa_ucm_verb, 1);
verb->proplist = pa_proplist_new();
pa_proplist_sets(verb->proplist, PA_ALSA_PROP_UCM_NAME, pa_strnull(verb_name));
pa_proplist_sets(verb->proplist, PA_ALSA_PROP_UCM_DESCRIPTION, pa_strna(verb_desc));
err = ucm_get_devices(verb, uc_mgr);
if (err < 0)
pa_log("No UCM devices for verb %s", verb_name);
err = ucm_get_modifiers(verb, uc_mgr);
if (err < 0)
pa_log("No UCM modifiers for verb %s", verb_name);
/* Verb properties */
ucm_get_property(verb, uc_mgr, verb_name);
PA_LLIST_FOREACH(d, verb->devices) {
const char *dev_name = pa_proplist_gets(d->proplist, PA_ALSA_PROP_UCM_NAME);
/* Devices properties */
ucm_get_device_property(d, uc_mgr, verb, dev_name);
}
/* make conflicting or supported device mutual */
PA_LLIST_FOREACH(d, verb->devices)
append_lost_relationship(d);
PA_LLIST_FOREACH(mod, verb->modifiers) {
const char *mod_name = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_NAME);
/* Modifier properties */
ucm_get_modifier_property(mod, uc_mgr, mod_name);
/* Set PA_PROP_DEVICE_INTENDED_ROLES property to devices */
pa_log_debug("Set media roles for verb %s, modifier %s", verb_name, mod_name);
ucm_set_media_roles(mod, verb->devices, mod_name);
}
*p_verb = verb;
return 0;
}
static void ucm_add_port_combination(
pa_hashmap *hash,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_alsa_ucm_device **pdevices,
int num,
pa_hashmap *ports,
pa_card_profile *cp,
pa_core *core) {
pa_device_port *port;
int i;
unsigned priority;
double prio2;
char *name = NULL;
char *desc = NULL;
const char *dev_name;
const char *direction;
pa_alsa_ucm_device *dev;
dev = pdevices[0];
dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME);
name = pa_sprintf_malloc("%s%s", is_sink ? PA_UCM_PRE_TAG_OUTPUT : PA_UCM_PRE_TAG_INPUT, dev_name);
desc = num == 1 ? pa_xstrdup(pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_DESCRIPTION))
: pa_sprintf_malloc("Combination port for %s", dev_name);
priority = is_sink ? dev->playback_priority : dev->capture_priority;
prio2 = (priority == 0 ? 0 : 1.0/priority);
for (i = 1; i < num; i++) {
char *tmp;
dev = pdevices[i];
dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME);
tmp = pa_sprintf_malloc("%s+%s", name, dev_name);
pa_xfree(name);
name = tmp;
tmp = pa_sprintf_malloc("%s,%s", desc, dev_name);
pa_xfree(desc);
desc = tmp;
priority = is_sink ? dev->playback_priority : dev->capture_priority;
if (priority != 0 && prio2 > 0)
prio2 += 1.0/priority;
}
/* Make combination ports always have lower priority, and use the formula
1/p = 1/p1 + 1/p2 + ... 1/pn.
This way, the result will always be less than the individual components,
yet higher components will lead to higher result. */
if (num > 1)
priority = prio2 > 0 ? 1.0/prio2 : 0;
port = pa_hashmap_get(ports, name);
if (!port) {
pa_device_port_new_data port_data;
pa_device_port_new_data_init(&port_data);
pa_device_port_new_data_set_name(&port_data, name);
pa_device_port_new_data_set_description(&port_data, desc);
pa_device_port_new_data_set_direction(&port_data, is_sink ? PA_DIRECTION_OUTPUT : PA_DIRECTION_INPUT);
port = pa_device_port_new(core, &port_data, 0);
pa_device_port_new_data_done(&port_data);
if (!port) {
pa_log("Failed to create port %s.", name);
goto fail;
}
pa_hashmap_put(ports, port->name, port);
pa_log_debug("Add port %s: %s", port->name, port->description);
port->profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
}
port->priority = priority;
pa_xfree(name);
name = NULL;
pa_xfree(desc);
desc = NULL;
direction = is_sink ? "output" : "input";
pa_log_debug("Port %s direction %s, priority %d", port->name, direction, priority);
if (cp) {
pa_log_debug("Adding profile %s to port %s.", cp->name, port->name);
pa_hashmap_put(port->profiles, cp->name, cp);
}
if (hash) {
pa_hashmap_put(hash, port->name, port);
pa_device_port_ref(port);
}
return;
fail:
pa_xfree(name);
pa_xfree(desc);
}
static int ucm_port_contains(const char *port_name, const char *dev_name, bool is_sink) {
int ret = 0;
const char *r;
const char *state = NULL;
int len;
if (!port_name || !dev_name)
return false;
port_name += is_sink ? strlen(PA_UCM_PRE_TAG_OUTPUT) : strlen(PA_UCM_PRE_TAG_INPUT);
while ((r = pa_split_in_place(port_name, "+", &len, &state))) {
if (!strncmp(r, dev_name, len)) {
ret = 1;
break;
}
}
return ret;
}
static int ucm_check_conformance(
pa_alsa_ucm_mapping_context *context,
pa_alsa_ucm_device **pdevices,
int dev_num,
pa_alsa_ucm_device *dev) {
uint32_t idx;
pa_alsa_ucm_device *d;
int i;
pa_assert(dev);
pa_log_debug("Check device %s conformance with %d other devices",
pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME), dev_num);
if (dev_num == 0) {
pa_log_debug("First device in combination, number 1");
return 1;
}
if (dev->conflicting_devices) { /* the device defines conflicting devices */
PA_IDXSET_FOREACH(d, dev->conflicting_devices, idx) {
for (i = 0; i < dev_num; i++) {
if (pdevices[i] == d) {
pa_log_debug("Conflicting device found");
return 0;
}
}
}
} else if (dev->supported_devices) { /* the device defines supported devices */
for (i = 0; i < dev_num; i++) {
if (!ucm_device_exists(dev->supported_devices, pdevices[i])) {
pa_log_debug("Supported device not found");
return 0;
}
}
} else { /* not support any other devices */
pa_log_debug("Not support any other devices");
return 0;
}
pa_log_debug("Device added to combination, number %d", dev_num + 1);
return 1;
}
static inline pa_alsa_ucm_device *get_next_device(pa_idxset *idxset, uint32_t *idx) {
pa_alsa_ucm_device *dev;
if (*idx == PA_IDXSET_INVALID)
dev = pa_idxset_first(idxset, idx);
else
dev = pa_idxset_next(idxset, idx);
return dev;
}
static void ucm_add_ports_combination(
pa_hashmap *hash,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_alsa_ucm_device **pdevices,
int dev_num,
uint32_t map_index,
pa_hashmap *ports,
pa_card_profile *cp,
pa_core *core) {
pa_alsa_ucm_device *dev;
uint32_t idx = map_index;
if ((dev = get_next_device(context->ucm_devices, &idx)) == NULL)
return;
/* check if device at map_index can combine with existing devices combination */
if (ucm_check_conformance(context, pdevices, dev_num, dev)) {
/* add device at map_index to devices combination */
pdevices[dev_num] = dev;
/* add current devices combination as a new port */
ucm_add_port_combination(hash, context, is_sink, pdevices, dev_num + 1, ports, cp, core);
/* try more elements combination */
ucm_add_ports_combination(hash, context, is_sink, pdevices, dev_num + 1, idx, ports, cp, core);
}
/* try other device with current elements number */
ucm_add_ports_combination(hash, context, is_sink, pdevices, dev_num, idx, ports, cp, core);
}
static char* merge_roles(const char *cur, const char *add) {
char *r, *ret;
const char *state = NULL;
if (add == NULL)
return pa_xstrdup(cur);
else if (cur == NULL)
return pa_xstrdup(add);
ret = pa_xstrdup(cur);
while ((r = pa_split_spaces(add, &state))) {
char *value;
if (!pa_str_in_list_spaces(ret, r))
value = pa_sprintf_malloc("%s %s", ret, r);
else {
pa_xfree(r);
continue;
}
pa_xfree(ret);
ret = value;
pa_xfree(r);
}
return ret;
}
void pa_alsa_ucm_add_ports_combination(
pa_hashmap *p,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_hashmap *ports,
pa_card_profile *cp,
pa_core *core) {
pa_alsa_ucm_device **pdevices;
pa_assert(context->ucm_devices);
if (pa_idxset_size(context->ucm_devices) > 0) {
pdevices = pa_xnew(pa_alsa_ucm_device *, pa_idxset_size(context->ucm_devices));
ucm_add_ports_combination(p, context, is_sink, pdevices, 0, PA_IDXSET_INVALID, ports, cp, core);
pa_xfree(pdevices);
}
}
void pa_alsa_ucm_add_ports(
pa_hashmap **p,
pa_proplist *proplist,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_card *card) {
uint32_t idx;
char *merged_roles;
const char *role_name = is_sink ? PA_ALSA_PROP_UCM_PLAYBACK_ROLES : PA_ALSA_PROP_UCM_CAPTURE_ROLES;
pa_alsa_ucm_device *dev;
pa_alsa_ucm_modifier *mod;
char *tmp;
pa_assert(p);
pa_assert(*p);
/* add ports first */
pa_alsa_ucm_add_ports_combination(*p, context, is_sink, card->ports, NULL, card->core);
/* then set property PA_PROP_DEVICE_INTENDED_ROLES */
merged_roles = pa_xstrdup(pa_proplist_gets(proplist, PA_PROP_DEVICE_INTENDED_ROLES));
PA_IDXSET_FOREACH(dev, context->ucm_devices, idx) {
const char *roles = pa_proplist_gets(dev->proplist, role_name);
tmp = merge_roles(merged_roles, roles);
pa_xfree(merged_roles);
merged_roles = tmp;
}
if (context->ucm_modifiers)
PA_IDXSET_FOREACH(mod, context->ucm_modifiers, idx) {
tmp = merge_roles(merged_roles, mod->media_role);
pa_xfree(merged_roles);
merged_roles = tmp;
}
if (merged_roles)
pa_proplist_sets(proplist, PA_PROP_DEVICE_INTENDED_ROLES, merged_roles);
pa_log_info("ALSA device %s roles: %s", pa_proplist_gets(proplist, PA_PROP_DEVICE_STRING), pa_strnull(merged_roles));
pa_xfree(merged_roles);
}
/* Change UCM verb and device to match selected card profile */
int pa_alsa_ucm_set_profile(pa_alsa_ucm_config *ucm, const char *new_profile, const char *old_profile) {
int ret = 0;
const char *profile;
pa_alsa_ucm_verb *verb;
if (new_profile == old_profile)
return ret;
else if (new_profile == NULL || old_profile == NULL)
profile = new_profile ? new_profile : SND_USE_CASE_VERB_INACTIVE;
else if (!pa_streq(new_profile, old_profile))
profile = new_profile;
else
return ret;
/* change verb */
pa_log_info("Set UCM verb to %s", profile);
if ((snd_use_case_set(ucm->ucm_mgr, "_verb", profile)) < 0) {
pa_log("Failed to set verb %s", profile);
ret = -1;
}
/* find active verb */
ucm->active_verb = NULL;
PA_LLIST_FOREACH(verb, ucm->verbs) {
const char *verb_name;
verb_name = pa_proplist_gets(verb->proplist, PA_ALSA_PROP_UCM_NAME);
if (pa_streq(verb_name, profile)) {
ucm->active_verb = verb;
break;
}
}
return ret;
}
int pa_alsa_ucm_set_port(pa_alsa_ucm_mapping_context *context, pa_device_port *port, bool is_sink) {
int i;
int ret = 0;
pa_alsa_ucm_config *ucm;
const char **enable_devs;
int enable_num = 0;
uint32_t idx;
pa_alsa_ucm_device *dev;
pa_assert(context && context->ucm);
ucm = context->ucm;
pa_assert(ucm->ucm_mgr);
enable_devs = pa_xnew(const char *, pa_idxset_size(context->ucm_devices));
/* first disable then enable */
PA_IDXSET_FOREACH(dev, context->ucm_devices, idx) {
const char *dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME);
if (ucm_port_contains(port->name, dev_name, is_sink))
enable_devs[enable_num++] = dev_name;
else {
pa_log_debug("Disable ucm device %s", dev_name);
if (snd_use_case_set(ucm->ucm_mgr, "_disdev", dev_name) > 0) {
pa_log("Failed to disable ucm device %s", dev_name);
ret = -1;
break;
}
}
}
for (i = 0; i < enable_num; i++) {
pa_log_debug("Enable ucm device %s", enable_devs[i]);
if (snd_use_case_set(ucm->ucm_mgr, "_enadev", enable_devs[i]) < 0) {
pa_log("Failed to enable ucm device %s", enable_devs[i]);
ret = -1;
break;
}
}
pa_xfree(enable_devs);
return ret;
}
static void ucm_add_mapping(pa_alsa_profile *p, pa_alsa_mapping *m) {
switch (m->direction) {
case PA_ALSA_DIRECTION_ANY:
pa_idxset_put(p->output_mappings, m, NULL);
pa_idxset_put(p->input_mappings, m, NULL);
break;
case PA_ALSA_DIRECTION_OUTPUT:
pa_idxset_put(p->output_mappings, m, NULL);
break;
case PA_ALSA_DIRECTION_INPUT:
pa_idxset_put(p->input_mappings, m, NULL);
break;
}
}
static void alsa_mapping_add_ucm_device(pa_alsa_mapping *m, pa_alsa_ucm_device *device) {
char *cur_desc;
const char *new_desc;
pa_idxset_put(m->ucm_context.ucm_devices, device, NULL);
new_desc = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_DESCRIPTION);
cur_desc = m->description;
if (cur_desc)
m->description = pa_sprintf_malloc("%s + %s", cur_desc, new_desc);
else
m->description = pa_xstrdup(new_desc);
pa_xfree(cur_desc);
/* walk around null case */
m->description = m->description ? m->description : pa_xstrdup("");
/* save mapping to ucm device */
if (m->direction == PA_ALSA_DIRECTION_OUTPUT)
device->playback_mapping = m;
else
device->capture_mapping = m;
}
static void alsa_mapping_add_ucm_modifier(pa_alsa_mapping *m, pa_alsa_ucm_modifier *modifier) {
char *cur_desc;
const char *new_desc, *mod_name, *channel_str;
uint32_t channels = 0;
pa_idxset_put(m->ucm_context.ucm_modifiers, modifier, NULL);
new_desc = pa_proplist_gets(modifier->proplist, PA_ALSA_PROP_UCM_DESCRIPTION);
cur_desc = m->description;
if (cur_desc)
m->description = pa_sprintf_malloc("%s + %s", cur_desc, new_desc);
else
m->description = pa_xstrdup(new_desc);
pa_xfree(cur_desc);
if (!m->description)
pa_xstrdup("");
/* Modifier sinks should not be routed to by default */
m->priority = 0;
mod_name = pa_proplist_gets(modifier->proplist, PA_ALSA_PROP_UCM_NAME);
pa_proplist_sets(m->proplist, PA_ALSA_PROP_UCM_MODIFIER, mod_name);
/* save mapping to ucm modifier */
if (m->direction == PA_ALSA_DIRECTION_OUTPUT) {
modifier->playback_mapping = m;
channel_str = pa_proplist_gets(modifier->proplist, PA_ALSA_PROP_UCM_PLAYBACK_CHANNELS);
} else {
modifier->capture_mapping = m;
channel_str = pa_proplist_gets(modifier->proplist, PA_ALSA_PROP_UCM_CAPTURE_CHANNELS);
}
if (channel_str) {
pa_assert_se(pa_atou(channel_str, &channels) == 0 && channels < PA_CHANNELS_MAX);
pa_log_debug("Got channel count %" PRIu32 " for modifier", channels);
}
if (channels)
pa_channel_map_init_extend(&m->channel_map, channels, PA_CHANNEL_MAP_ALSA);
else
pa_channel_map_init(&m->channel_map);
}
static int ucm_create_mapping_direction(
pa_alsa_ucm_config *ucm,
pa_alsa_profile_set *ps,
pa_alsa_profile *p,
pa_alsa_ucm_device *device,
const char *verb_name,
const char *device_name,
const char *device_str,
bool is_sink) {
pa_alsa_mapping *m;
char *mapping_name;
unsigned priority, rate, channels;
mapping_name = pa_sprintf_malloc("Mapping %s: %s: %s", verb_name, device_str, is_sink ? "sink" : "source");
m = pa_alsa_mapping_get(ps, mapping_name);
if (!m) {
pa_log("No mapping for %s", mapping_name);
pa_xfree(mapping_name);
return -1;
}
pa_log_debug("UCM mapping: %s dev %s", mapping_name, device_name);
pa_xfree(mapping_name);
priority = is_sink ? device->playback_priority : device->capture_priority;
rate = is_sink ? device->playback_rate : device->capture_rate;
channels = is_sink ? device->playback_channels : device->capture_channels;
if (!m->ucm_context.ucm_devices) { /* new mapping */
m->ucm_context.ucm_devices = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
m->ucm_context.ucm = ucm;
m->ucm_context.direction = is_sink ? PA_DIRECTION_OUTPUT : PA_DIRECTION_INPUT;
m->device_strings = pa_xnew0(char*, 2);
m->device_strings[0] = pa_xstrdup(device_str);
m->direction = is_sink ? PA_ALSA_DIRECTION_OUTPUT : PA_ALSA_DIRECTION_INPUT;
ucm_add_mapping(p, m);
if (rate)
m->sample_spec.rate = rate;
pa_channel_map_init_extend(&m->channel_map, channels, PA_CHANNEL_MAP_ALSA);
}
/* mapping priority is the highest one of ucm devices */
if (priority > m->priority)
m->priority = priority;
/* mapping channels is the lowest one of ucm devices */
if (channels < m->channel_map.channels)
pa_channel_map_init_extend(&m->channel_map, channels, PA_CHANNEL_MAP_ALSA);
alsa_mapping_add_ucm_device(m, device);
return 0;
}
static int ucm_create_mapping_for_modifier(
pa_alsa_ucm_config *ucm,
pa_alsa_profile_set *ps,
pa_alsa_profile *p,
pa_alsa_ucm_modifier *modifier,
const char *verb_name,
const char *mod_name,
const char *device_str,
bool is_sink) {
pa_alsa_mapping *m;
char *mapping_name;
mapping_name = pa_sprintf_malloc("Mapping %s: %s: %s", verb_name, device_str, is_sink ? "sink" : "source");
m = pa_alsa_mapping_get(ps, mapping_name);
if (!m) {
pa_log("no mapping for %s", mapping_name);
pa_xfree(mapping_name);
return -1;
}
pa_log_info("ucm mapping: %s modifier %s", mapping_name, mod_name);
pa_xfree(mapping_name);
if (!m->ucm_context.ucm_devices && !m->ucm_context.ucm_modifiers) { /* new mapping */
m->ucm_context.ucm_devices = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
m->ucm_context.ucm_modifiers = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
m->ucm_context.ucm = ucm;
m->ucm_context.direction = is_sink ? PA_DIRECTION_OUTPUT : PA_DIRECTION_INPUT;
m->device_strings = pa_xnew0(char*, 2);
m->device_strings[0] = pa_xstrdup(device_str);
m->direction = is_sink ? PA_ALSA_DIRECTION_OUTPUT : PA_ALSA_DIRECTION_INPUT;
/* Modifier sinks should not be routed to by default */
m->priority = 0;
ucm_add_mapping(p, m);
} else if (!m->ucm_context.ucm_modifiers) /* share pcm with device */
m->ucm_context.ucm_modifiers = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
alsa_mapping_add_ucm_modifier(m, modifier);
return 0;
}
static int ucm_create_mapping(
pa_alsa_ucm_config *ucm,
pa_alsa_profile_set *ps,
pa_alsa_profile *p,
pa_alsa_ucm_device *device,
const char *verb_name,
const char *device_name,
const char *sink,
const char *source) {
int ret = 0;
if (!sink && !source) {
pa_log("No sink and source at %s: %s", verb_name, device_name);
return -1;
}
if (sink)
ret = ucm_create_mapping_direction(ucm, ps, p, device, verb_name, device_name, sink, true);
if (ret == 0 && source)
ret = ucm_create_mapping_direction(ucm, ps, p, device, verb_name, device_name, source, false);
return ret;
}
static pa_alsa_jack* ucm_get_jack(pa_alsa_ucm_config *ucm, const char *dev_name, const char *pre_tag) {
pa_alsa_jack *j;
char *name = pa_sprintf_malloc("%s%s", pre_tag, dev_name);
PA_LLIST_FOREACH(j, ucm->jacks)
if (pa_streq(j->name, name))
goto out;
j = pa_xnew0(pa_alsa_jack, 1);
j->state_unplugged = PA_AVAILABLE_NO;
j->state_plugged = PA_AVAILABLE_YES;
j->name = pa_xstrdup(name);
j->alsa_name = pa_sprintf_malloc("%s Jack", dev_name);
PA_LLIST_PREPEND(pa_alsa_jack, ucm->jacks, j);
out:
pa_xfree(name);
return j;
}
static int ucm_create_profile(
pa_alsa_ucm_config *ucm,
pa_alsa_profile_set *ps,
pa_alsa_ucm_verb *verb,
const char *verb_name,
const char *verb_desc) {
pa_alsa_profile *p;
pa_alsa_ucm_device *dev;
pa_alsa_ucm_modifier *mod;
int i = 0;
const char *name, *sink, *source;
char *verb_cmp, *c;
pa_assert(ps);
if (pa_hashmap_get(ps->profiles, verb_name)) {
pa_log("Verb %s already exists", verb_name);
return -1;
}
p = pa_xnew0(pa_alsa_profile, 1);
p->profile_set = ps;
p->name = pa_xstrdup(verb_name);
p->description = pa_xstrdup(verb_desc);
p->output_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
p->input_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
p->supported = true;
pa_hashmap_put(ps->profiles, p->name, p);
/* TODO: get profile priority from ucm info or policy management */
c = verb_cmp = pa_xstrdup(verb_name);
while (*c) {
if (*c == '_') *c = ' ';
c++;
}
for (i = 0; verb_info[i].id; i++) {
if (strcasecmp(verb_info[i].id, verb_cmp) == 0) {
p->priority = verb_info[i].priority;
break;
}
}
pa_xfree(verb_cmp);
if (verb_info[i].id == NULL)
p->priority = 1000;
PA_LLIST_FOREACH(dev, verb->devices) {
name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME);
sink = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_SINK);
source = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_SOURCE);
ucm_create_mapping(ucm, ps, p, dev, verb_name, name, sink, source);
if (sink)
dev->output_jack = ucm_get_jack(ucm, name, PA_UCM_PRE_TAG_OUTPUT);
if (source)
dev->input_jack = ucm_get_jack(ucm, name, PA_UCM_PRE_TAG_INPUT);
}
/* Now find modifiers that have their own PlaybackPCM and create
* separate sinks for them. */
PA_LLIST_FOREACH(mod, verb->modifiers) {
name = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_NAME);
sink = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_SINK);
source = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_SOURCE);
if (sink)
ucm_create_mapping_for_modifier(ucm, ps, p, mod, verb_name, name, sink, true);
else if (source)
ucm_create_mapping_for_modifier(ucm, ps, p, mod, verb_name, name, source, false);
}
pa_alsa_profile_dump(p);
return 0;
}
static snd_pcm_t* mapping_open_pcm(pa_alsa_ucm_config *ucm, pa_alsa_mapping *m, int mode) {
snd_pcm_t* pcm;
pa_sample_spec try_ss = ucm->core->default_sample_spec;
pa_channel_map try_map;
snd_pcm_uframes_t try_period_size, try_buffer_size;
bool exact_channels = m->channel_map.channels > 0;
if (exact_channels) {
try_map = m->channel_map;
try_ss.channels = try_map.channels;
} else
pa_channel_map_init_extend(&try_map, try_ss.channels, PA_CHANNEL_MAP_ALSA);
try_period_size =
pa_usec_to_bytes(ucm->core->default_fragment_size_msec * PA_USEC_PER_MSEC, &try_ss) /
pa_frame_size(&try_ss);
try_buffer_size = ucm->core->default_n_fragments * try_period_size;
pcm = pa_alsa_open_by_device_string(m->device_strings[0], NULL, &try_ss,
&try_map, mode, &try_period_size, &try_buffer_size, 0, NULL, NULL, exact_channels);
if (pcm && !exact_channels)
m->channel_map = try_map;
return pcm;
}
static void profile_finalize_probing(pa_alsa_profile *p) {
pa_alsa_mapping *m;
uint32_t idx;
PA_IDXSET_FOREACH(m, p->output_mappings, idx) {
if (p->supported)
m->supported++;
if (!m->output_pcm)
continue;
snd_pcm_close(m->output_pcm);
m->output_pcm = NULL;
}
PA_IDXSET_FOREACH(m, p->input_mappings, idx) {
if (p->supported)
m->supported++;
if (!m->input_pcm)
continue;
snd_pcm_close(m->input_pcm);
m->input_pcm = NULL;
}
}
static void ucm_mapping_jack_probe(pa_alsa_mapping *m) {
snd_pcm_t *pcm_handle;
snd_mixer_t *mixer_handle;
snd_hctl_t *hctl_handle;
pa_alsa_ucm_mapping_context *context = &m->ucm_context;
pa_alsa_ucm_device *dev;
uint32_t idx;
pcm_handle = m->direction == PA_ALSA_DIRECTION_OUTPUT ? m->output_pcm : m->input_pcm;
mixer_handle = pa_alsa_open_mixer_for_pcm(pcm_handle, NULL, &hctl_handle);
if (!mixer_handle || !hctl_handle)
return;
PA_IDXSET_FOREACH(dev, context->ucm_devices, idx) {
pa_alsa_jack *jack;
jack = m->direction == PA_ALSA_DIRECTION_OUTPUT ? dev->output_jack : dev->input_jack;
pa_assert (jack);
jack->has_control = pa_alsa_find_jack(hctl_handle, jack->alsa_name) != NULL;
pa_log_info("UCM jack %s has_control=%d", jack->name, jack->has_control);
}
snd_mixer_close(mixer_handle);
}
static void ucm_probe_profile_set(pa_alsa_ucm_config *ucm, pa_alsa_profile_set *ps) {
void *state;
pa_alsa_profile *p;
pa_alsa_mapping *m;
uint32_t idx;
PA_HASHMAP_FOREACH(p, ps->profiles, state) {
/* change verb */
pa_log_info("Set ucm verb to %s", p->name);
if ((snd_use_case_set(ucm->ucm_mgr, "_verb", p->name)) < 0) {
pa_log("Failed to set verb %s", p->name);
p->supported = false;
continue;
}
PA_IDXSET_FOREACH(m, p->output_mappings, idx) {
if (PA_UCM_IS_MODIFIER_MAPPING(m)) {
/* Skip jack probing on modifier PCMs since we expect this to
* only be controlled on the main device/verb PCM. */
continue;
}
m->output_pcm = mapping_open_pcm(ucm, m, SND_PCM_STREAM_PLAYBACK);
if (!m->output_pcm) {
p->supported = false;
break;
}
}
if (p->supported) {
PA_IDXSET_FOREACH(m, p->input_mappings, idx) {
if (PA_UCM_IS_MODIFIER_MAPPING(m)) {
/* Skip jack probing on modifier PCMs since we expect this to
* only be controlled on the main device/verb PCM. */
continue;
}
m->input_pcm = mapping_open_pcm(ucm, m, SND_PCM_STREAM_CAPTURE);
if (!m->input_pcm) {
p->supported = false;
break;
}
}
}
if (!p->supported) {
profile_finalize_probing(p);
continue;
}
pa_log_debug("Profile %s supported.", p->name);
PA_IDXSET_FOREACH(m, p->output_mappings, idx)
if (!PA_UCM_IS_MODIFIER_MAPPING(m))
ucm_mapping_jack_probe(m);
PA_IDXSET_FOREACH(m, p->input_mappings, idx)
if (!PA_UCM_IS_MODIFIER_MAPPING(m))
ucm_mapping_jack_probe(m);
profile_finalize_probing(p);
}
/* restore ucm state */
snd_use_case_set(ucm->ucm_mgr, "_verb", SND_USE_CASE_VERB_INACTIVE);
pa_alsa_profile_set_drop_unsupported(ps);
}
pa_alsa_profile_set* pa_alsa_ucm_add_profile_set(pa_alsa_ucm_config *ucm, pa_channel_map *default_channel_map) {
pa_alsa_ucm_verb *verb;
pa_alsa_profile_set *ps;
ps = pa_xnew0(pa_alsa_profile_set, 1);
ps->mappings = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
ps->profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
ps->decibel_fixes = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
/* create a profile for each verb */
PA_LLIST_FOREACH(verb, ucm->verbs) {
const char *verb_name;
const char *verb_desc;
verb_name = pa_proplist_gets(verb->proplist, PA_ALSA_PROP_UCM_NAME);
verb_desc = pa_proplist_gets(verb->proplist, PA_ALSA_PROP_UCM_DESCRIPTION);
if (verb_name == NULL) {
pa_log("Verb with no name");
continue;
}
ucm_create_profile(ucm, ps, verb, verb_name, verb_desc);
}
ucm_probe_profile_set(ucm, ps);
ps->probed = true;
return ps;
}
static void free_verb(pa_alsa_ucm_verb *verb) {
pa_alsa_ucm_device *di, *dn;
pa_alsa_ucm_modifier *mi, *mn;
PA_LLIST_FOREACH_SAFE(di, dn, verb->devices) {
PA_LLIST_REMOVE(pa_alsa_ucm_device, verb->devices, di);
pa_proplist_free(di->proplist);
if (di->conflicting_devices)
pa_idxset_free(di->conflicting_devices, NULL);
if (di->supported_devices)
pa_idxset_free(di->supported_devices, NULL);
pa_xfree(di);
}
PA_LLIST_FOREACH_SAFE(mi, mn, verb->modifiers) {
PA_LLIST_REMOVE(pa_alsa_ucm_modifier, verb->modifiers, mi);
pa_proplist_free(mi->proplist);
if (mi->n_suppdev > 0)
snd_use_case_free_list(mi->supported_devices, mi->n_suppdev);
if (mi->n_confdev > 0)
snd_use_case_free_list(mi->conflicting_devices, mi->n_confdev);
pa_xfree(mi->media_role);
pa_xfree(mi);
}
pa_proplist_free(verb->proplist);
pa_xfree(verb);
}
void pa_alsa_ucm_free(pa_alsa_ucm_config *ucm) {
pa_alsa_ucm_verb *vi, *vn;
pa_alsa_jack *ji, *jn;
PA_LLIST_FOREACH_SAFE(vi, vn, ucm->verbs) {
PA_LLIST_REMOVE(pa_alsa_ucm_verb, ucm->verbs, vi);
free_verb(vi);
}
PA_LLIST_FOREACH_SAFE(ji, jn, ucm->jacks) {
PA_LLIST_REMOVE(pa_alsa_jack, ucm->jacks, ji);
pa_xfree(ji->alsa_name);
pa_xfree(ji->name);
pa_xfree(ji);
}
if (ucm->ucm_mgr) {
snd_use_case_mgr_close(ucm->ucm_mgr);
ucm->ucm_mgr = NULL;
}
}
void pa_alsa_ucm_mapping_context_free(pa_alsa_ucm_mapping_context *context) {
pa_alsa_ucm_device *dev;
pa_alsa_ucm_modifier *mod;
uint32_t idx;
if (context->ucm_devices) {
/* clear ucm device pointer to mapping */
PA_IDXSET_FOREACH(dev, context->ucm_devices, idx) {
if (context->direction == PA_DIRECTION_OUTPUT)
dev->playback_mapping = NULL;
else
dev->capture_mapping = NULL;
}
pa_idxset_free(context->ucm_devices, NULL);
}
if (context->ucm_modifiers) {
PA_IDXSET_FOREACH(mod, context->ucm_modifiers, idx) {
if (context->direction == PA_DIRECTION_OUTPUT)
mod->playback_mapping = NULL;
else
mod->capture_mapping = NULL;
}
pa_idxset_free(context->ucm_modifiers, NULL);
}
}
/* Enable the modifier when the first stream with matched role starts */
void pa_alsa_ucm_roled_stream_begin(pa_alsa_ucm_config *ucm, const char *role, pa_direction_t dir) {
pa_alsa_ucm_modifier *mod;
if (!ucm->active_verb)
return;
PA_LLIST_FOREACH(mod, ucm->active_verb->modifiers) {
if ((mod->action_direction == dir) && (pa_streq(mod->media_role, role))) {
if (mod->enabled_counter == 0) {
const char *mod_name = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_NAME);
pa_log_info("Enable ucm modifier %s", mod_name);
if (snd_use_case_set(ucm->ucm_mgr, "_enamod", mod_name) < 0) {
pa_log("Failed to enable ucm modifier %s", mod_name);
}
}
mod->enabled_counter++;
break;
}
}
}
/* Disable the modifier when the last stream with matched role ends */
void pa_alsa_ucm_roled_stream_end(pa_alsa_ucm_config *ucm, const char *role, pa_direction_t dir) {
pa_alsa_ucm_modifier *mod;
if (!ucm->active_verb)
return;
PA_LLIST_FOREACH(mod, ucm->active_verb->modifiers) {
if ((mod->action_direction == dir) && (pa_streq(mod->media_role, role))) {
mod->enabled_counter--;
if (mod->enabled_counter == 0) {
const char *mod_name = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_NAME);
pa_log_info("Disable ucm modifier %s", mod_name);
if (snd_use_case_set(ucm->ucm_mgr, "_dismod", mod_name) < 0) {
pa_log("Failed to disable ucm modifier %s", mod_name);
}
}
break;
}
}
}
#else /* HAVE_ALSA_UCM */
/* Dummy functions for systems without UCM support */
int pa_alsa_ucm_query_profiles(pa_alsa_ucm_config *ucm, int card_index) {
pa_log_info("UCM not available.");
return -1;
}
pa_alsa_profile_set* pa_alsa_ucm_add_profile_set(pa_alsa_ucm_config *ucm, pa_channel_map *default_channel_map) {
return NULL;
}
int pa_alsa_ucm_set_profile(pa_alsa_ucm_config *ucm, const char *new_profile, const char *old_profile) {
return -1;
}
int pa_alsa_ucm_get_verb(snd_use_case_mgr_t *uc_mgr, const char *verb_name, const char *verb_desc, pa_alsa_ucm_verb **p_verb) {
return -1;
}
void pa_alsa_ucm_add_ports(
pa_hashmap **hash,
pa_proplist *proplist,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_card *card) {
}
void pa_alsa_ucm_add_ports_combination(
pa_hashmap *hash,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_hashmap *ports,
pa_card_profile *cp,
pa_core *core) {
}
int pa_alsa_ucm_set_port(pa_alsa_ucm_mapping_context *context, pa_device_port *port, bool is_sink) {
return -1;
}
void pa_alsa_ucm_free(pa_alsa_ucm_config *ucm) {
}
void pa_alsa_ucm_mapping_context_free(pa_alsa_ucm_mapping_context *context) {
}
void pa_alsa_ucm_roled_stream_begin(pa_alsa_ucm_config *ucm, const char *role, pa_direction_t dir) {
}
void pa_alsa_ucm_roled_stream_end(pa_alsa_ucm_config *ucm, const char *role, pa_direction_t dir) {
}
#endif
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