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autolink: prefer latest plugged device

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This commit is contained in:
Wim Taymans 2018-04-24 17:05:48 +02:00
parent d2c545be8d
commit f8222c765e
1 changed files with 29 additions and 6 deletions
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35
src/modules/module-autolink.c
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@ -244,6 +244,7 @@ struct find_data {
uint32_t path_id;
const char *media_class;
struct pw_global *global;
uint64_t plugged;
};
static int find_global(void *data, struct pw_global *global)
@ -254,6 +255,7 @@ static int find_global(void *data, struct pw_global *global)
struct pw_node *node;
const struct pw_properties *props;
const char *str;
uint64_t plugged;
if (pw_global_get_type(global) != impl->t->node)
return 0;
@ -271,10 +273,23 @@ static int find_global(void *data, struct pw_global *global)
if (strcmp(str, find->media_class) != 0)
return 0;
pw_log_debug("module %p: found node '%d'", impl, pw_global_get_id(global));
if (find->path_id != SPA_ID_INVALID && global->id != find->path_id)
return 0;
find->global = global;
return 1;
if ((str = pw_properties_get(props, "node.plugged")) != NULL)
plugged = pw_properties_parse_uint64(str);
else
plugged = 0;
pw_log_debug("module %p: found node '%d' %" PRIu64, impl,
pw_global_get_id(global), plugged);
if (find->global == NULL || plugged > find->plugged) {
pw_log_debug("module %p: new best %" PRIu64, impl, plugged);
find->global = global;
find->plugged = plugged;
}
return 0;
}
static void on_node_created(struct node_info *info)
@ -285,6 +300,7 @@ static void on_node_created(struct node_info *info)
const char *media, *category, *role, *str;
bool exclusive;
struct find_data find;
enum pw_direction direction;
find.info = info;
@ -346,15 +362,22 @@ static void on_node_created(struct node_info *info)
pw_log_debug("module %p: try to find and link to node '%d'", impl, find.path_id);
find.global = NULL;
if (pw_core_for_each_global(impl->core, find_global, &find) != 1)
if (pw_core_for_each_global(impl->core, find_global, &find) < 0)
return;
if (find.global == NULL)
return;
peer = pw_global_get_object(find.global);
if (strcmp(category, "Capture") == 0)
pw_node_for_each_port(peer, PW_DIRECTION_OUTPUT, on_peer_port, info);
direction = PW_DIRECTION_OUTPUT;
if (strcmp(category, "Playback") == 0)
pw_node_for_each_port(peer, PW_DIRECTION_INPUT, on_peer_port, info);
direction = PW_DIRECTION_INPUT;
else
return;
pw_node_for_each_port(peer, direction, on_peer_port, info);
}
static void