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media-session: prefer non-busy session for exclusive access

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When we look for a good session for exclusive, prefer the non-busy
session.
This commit is contained in:
Wim Taymans 2018-06-18 12:25:54 +02:00
parent a198943b1a
commit ca61fd1405
1 changed files with 9 additions and 3 deletions
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12
src/modules/module-media-session.c
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@ -105,6 +105,7 @@ struct session {
struct pw_link *link;
bool busy;
bool exclusive;
int sample_rate;
int buffer_size;
@ -318,8 +319,10 @@ static void reconfigure_session(struct session *sess)
if (ni->buffer_size > 0)
buffer_size = SPA_MIN(buffer_size, ni->buffer_size);
}
if (spa_list_is_empty(&sess->node_list))
if (spa_list_is_empty(&sess->node_list)) {
sess->exclusive = false;
sess->busy = false;
}
sess->buffer_size = buffer_size;
@ -387,6 +390,7 @@ struct find_data {
uint32_t path_id;
const char *media_class;
struct session *sess;
bool exclusive;
uint64_t plugged;
};
@ -413,7 +417,7 @@ static int find_session(void *data, struct session *sess)
if (strcmp(str, find->media_class) != 0)
return 0;
if (sess->exclusive) {
if ((find->exclusive && sess->busy) || sess->exclusive) {
pw_log_debug("module %p: session in use", impl);
return 0;
}
@ -500,6 +504,7 @@ static int handle_autoconnect(struct impl *impl, struct pw_node *node,
find.impl = impl;
find.sess = NULL;
find.exclusive = exclusive;
spa_list_for_each(session, &impl->session_list, l)
find_session(&find, session);
if (find.sess == NULL)
@ -515,7 +520,7 @@ static int handle_autoconnect(struct impl *impl, struct pw_node *node,
return -EINVAL;
if (exclusive || session->dsp == NULL) {
if (exclusive && !spa_list_is_empty(&session->node_list)) {
if (exclusive && session->busy) {
pw_log_warn("session busy, can't get exclusive access");
return -EBUSY;
}
@ -545,6 +550,7 @@ static int handle_autoconnect(struct impl *impl, struct pw_node *node,
spa_list_init(&info->links);
spa_list_append(&session->node_list, &info->l);
session->busy = true;
pw_node_add_listener(node, &info->node_listener, &node_info_events, info);