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media-session: ensure unique device.name

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See #525
This commit is contained in:
Wim Taymans 2021-01-02 19:52:14 +01:00
parent e871b761fe
commit 498b4bd080
2 changed files with 55 additions and 9 deletions
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33
src/examples/media-session/alsa-monitor.c
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@ -134,13 +134,18 @@ struct impl {
static int probe_device(struct device *device);
static struct node *alsa_find_node(struct device *device, uint32_t id)
static struct node *alsa_find_node(struct device *device, uint32_t id, const char *name)
{
struct node *node;
const char *str;
spa_list_for_each(node, &device->node_list, link) {
if (node->id == id)
return node;
if (name != NULL &&
(str = pw_properties_get(node->props, PW_KEY_NODE_NAME)) != NULL &&
strcmp(name, str) == 0)
return node;
}
return NULL;
}
@ -474,7 +479,7 @@ static void alsa_device_object_info(void *data, uint32_t id,
struct device *device = data;
struct node *node;
node = alsa_find_node(device, id);
node = alsa_find_node(device, id, NULL);
if (info == NULL) {
if (node == NULL) {
@ -502,7 +507,7 @@ static void alsa_device_event(void *data, const struct spa_event *event)
SPA_EVENT_DEVICE_Props, SPA_POD_OPT_Pod(&props)) < 0)
return;
if ((node = alsa_find_node(device, id)) == NULL)
if ((node = alsa_find_node(device, id, NULL)) == NULL)
return;
switch (type) {
@ -523,13 +528,18 @@ static const struct spa_device_events alsa_device_events = {
.event = alsa_device_event,
};
static struct device *alsa_find_device(struct impl *impl, uint32_t id)
static struct device *alsa_find_device(struct impl *impl, uint32_t id, const char *name)
{
struct device *device;
const char *str;
spa_list_for_each(device, &impl->device_list, link) {
if (device->id == id)
return device;
if (name != NULL &&
(str = pw_properties_get(device->props, PW_KEY_DEVICE_NAME)) != NULL &&
strcmp(str, name) == 0)
return device;
}
return NULL;
}
@ -550,6 +560,7 @@ static int update_device_props(struct device *device)
struct pw_properties *p = device->props;
const char *s, *d;
char temp[32];
int i;
s = pw_properties_get(p, SPA_KEY_DEVICE_NAME);
if (s == NULL)
@ -562,6 +573,18 @@ static int update_device_props(struct device *device)
}
pw_properties_setf(p, PW_KEY_DEVICE_NAME, "alsa_card.%s", s);
for (i = 2; i <= 99; i++) {
if ((d = pw_properties_get(p, PW_KEY_DEVICE_NAME)) == NULL)
break;
if (alsa_find_device(device->impl, SPA_ID_INVALID, d) == NULL)
break;
pw_properties_setf(p, PW_KEY_DEVICE_NAME, "alsa_card.%s.%d", s, i);
}
if (i == 99)
return -EEXIST;
if (pw_properties_get(p, PW_KEY_DEVICE_DESCRIPTION) == NULL) {
d = NULL;
@ -985,7 +1008,7 @@ static void alsa_udev_object_info(void *data, uint32_t id,
struct impl *impl = data;
struct device *device;
device = alsa_find_device(impl, id);
device = alsa_find_device(impl, id, NULL);
if (info == NULL) {
if (device == NULL)