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media-session: fall back to EnumRoute for availability check

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If the device doesn't have an active Route, also check the EnumRoute to
see if there is something available. If nothing is available, also avoid
selecting this node.

Fixes #1624
This commit is contained in:
Wim Taymans 2021-09-20 18:34:52 +02:00
parent 2ae6ac2bcb
commit 8efe54a176
1 changed files with 48 additions and 4 deletions
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52
src/examples/media-session/policy-node.c
View file

@ -684,11 +684,28 @@ static void session_remove(void *data, struct sm_object *object)
sm_media_session_schedule_rescan(impl->session);
}
static bool array_contains(const struct spa_pod *pod, uint32_t val)
{
uint32_t *vals, n_vals;
uint32_t n;
if (pod == NULL)
return false;
vals = spa_pod_get_array(pod, &n_vals);
if (vals == NULL || n_vals == 0)
return false;
for (n = 0; n < n_vals; n++)
if (vals[n] == val)
return true;
return false;
}
static bool have_available_route(struct node *node, struct sm_device *dev)
{
struct sm_param *p;
const char *str;
uint32_t card_profile_device;
int found = 0, avail = 0;
if (node->obj->info == NULL || node->obj->info->props == NULL ||
(str = spa_dict_lookup(node->obj->info->props, "card.profile.device")) == NULL)
@ -710,13 +727,40 @@ static bool have_available_route(struct node *node, struct sm_device *dev)
SPA_PARAM_ROUTE_available, SPA_POD_Id(&available)) < 0)
continue;
/* we found the route for the device and it is not available */
if (device_id == card_profile_device &&
available == SPA_PARAM_AVAILABILITY_no)
/* we found the route for the device */
if (device_id != card_profile_device)
continue;
if (available == SPA_PARAM_AVAILABILITY_no)
return 0;
}
return 1;
}
/* Route is not found so no active profile. Check if there is a route that
* is available */
spa_list_for_each(p, &dev->param_list, link) {
struct spa_pod *devices = NULL;
enum spa_param_availability available;
if (p->id != SPA_PARAM_EnumRoute)
continue;
if (spa_pod_parse_object(p->param,
SPA_TYPE_OBJECT_ParamRoute, NULL,
SPA_PARAM_ROUTE_devices, SPA_POD_OPT_Pod(&devices),
SPA_PARAM_ROUTE_available, SPA_POD_Id(&available)) < 0)
continue;
if (!array_contains(devices, card_profile_device))
continue;
found++;
if (available != SPA_PARAM_AVAILABILITY_no)
avail++;
}
if (found == 0)
return 1;
if (avail > 0)
return 1;
return 0;
}
struct find_data {
struct impl *impl;