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default-routes: only restore routes when profile changed

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When the profile changes, try to restore the previously saved
routes. Otherwise, follow the best route when it changes.

See #863
This commit is contained in:
Wim Taymans 2021-03-15 16:06:13 +01:00
parent 85a102f414
commit 5c91f23c18
1 changed files with 30 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

51
src/examples/media-session/default-routes.c
View file

@ -539,8 +539,12 @@ static int save_profile(struct device *dev, struct profile *pr)
val = serialize_routes(dev);
if (pw_properties_set(impl->to_restore, key, val)) {
pw_log_info("device %d: profile routes changed %s %s", dev->id, key, val);
pw_log_info("device %d: profile %s routes changed %s %s",
dev->id, pr->name, key, val);
add_idle_timeout(impl);
} else {
pw_log_info("device %d: profile %s unchanged (%s)",
dev->id, pr->name, val);
}
free(val);
return 0;
@ -613,26 +617,28 @@ static int find_saved_route(struct device *dev, const char *val, uint32_t device
return -ENOENT;
}
static int restore_device_route(struct device *dev, const char *val, uint32_t device_id)
static int restore_device_route(struct device *dev, const char *val, uint32_t device_id, bool restore)
{
int res;
int res = -ENOENT;
struct route t;
pw_log_info("device %d: restoring device %u", dev->id, device_id);
res = find_saved_route(dev, val, device_id, &t);
if (res >= 0) {
/* we found a saved route */
if (t.available == SPA_PARAM_AVAILABILITY_no) {
pw_log_info("device %d: saved route '%s' not available", dev->id,
t.name);
/* not available, try to find next best port */
res = -ENOENT;
} else {
pw_log_info("device %d: found saved route '%s'", dev->id,
t.name);
/* make sure we save it again */
t.save = true;
if (restore) {
res = find_saved_route(dev, val, device_id, &t);
if (res >= 0) {
/* we found a saved route */
if (t.available == SPA_PARAM_AVAILABILITY_no) {
pw_log_info("device %d: saved route '%s' not available", dev->id,
t.name);
/* not available, try to find next best port */
res = -ENOENT;
} else {
pw_log_info("device %d: found saved route '%s'", dev->id,
t.name);
/* make sure we save it again */
t.save = true;
}
}
}
if (res < 0) {
@ -651,7 +657,7 @@ static int restore_device_route(struct device *dev, const char *val, uint32_t de
return res;
}
static int reconfigure_profile(struct device *dev, struct profile *pr)
static int reconfigure_profile(struct device *dev, struct profile *pr, bool restore)
{
struct impl *impl = dev->impl;
char key[1024];
@ -691,7 +697,7 @@ static int reconfigure_profile(struct device *dev, struct profile *pr)
continue;
for (i = 0; i < n_devices; i++)
restore_device_route(dev, json, devices[i]);
restore_device_route(dev, json, devices[i], restore);
}
}
spa_pod_parser_pop(&prs, &f[0]);
@ -723,6 +729,7 @@ static int handle_route(struct device *dev, struct route *r)
return -errno;
ri->active = true;
ri->save = r->save;
if (!ri->prev_active) {
/* a new port has been found, restore the volume and make sure we
@ -745,7 +752,7 @@ static int handle_device(struct device *dev)
dev->generation++;
/* first look at all routes */
/* first look at all routes and update */
spa_list_for_each(p, &dev->obj->param_list, link) {
struct route r;
struct route_info *ri;
@ -767,6 +774,7 @@ static int handle_device(struct device *dev)
ri->generation = dev->generation;
ri->prev_active = ri->active;
ri->active = false;
ri->save = false;
}
/* then check for changes in the active ports */
spa_list_for_each(p, &dev->obj->param_list, link) {
@ -780,8 +788,9 @@ static int handle_device(struct device *dev)
prune_route_info(dev);
if ((res = find_current_profile(dev, &pr)) >= 0) {
if (dev->active_profile != pr.index || route_changed)
reconfigure_profile(dev, &pr);
bool restore = dev->active_profile != pr.index;
if (restore || route_changed)
reconfigure_profile(dev, &pr, restore);
save_profile(dev, &pr);
}