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media-session: add suspend

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This commit is contained in:
Wim Taymans 2018-09-18 09:28:52 +02:00
parent aab69948b0
commit 3dc2254196
2 changed files with 41 additions and 1 deletions
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38
src/examples/media-session.c
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@ -130,9 +130,10 @@ struct session {
struct spa_list node_list;
struct spa_proxy *proxy;
struct spa_hook listener;
struct spa_source *idle_timeout;
bool starting;
bool dsp_pending;
bool enabled;
@ -169,6 +170,16 @@ static void schedule_rescan(struct impl *impl)
pw_core_proxy_sync(impl->core_proxy, ++impl->seq);
}
static void remove_idle_timeout(struct session *sess)
{
struct impl *impl = sess->impl;
if (sess->idle_timeout) {
pw_loop_destroy_source(pw_core_get_main_loop(impl->core), sess->idle_timeout);
sess->idle_timeout = NULL;
}
}
static void node_event_info(void *object, struct pw_node_info *info)
{
struct node *n = object;
@ -440,6 +451,7 @@ registry_global_remove(void *data, uint32_t id)
continue;
pw_log_debug(NAME " %p: remove session '%d'", impl, sess->id);
remove_idle_timeout(sess);
spa_list_for_each_safe(n, t, &sess->node_list, session_link) {
n->session = NULL;
@ -714,6 +726,7 @@ static int rescan_node(struct impl *impl, struct node *node)
session->busy = true;
node->session = session;
spa_list_append(&session->node_list, &node->session_link);
remove_idle_timeout(session);
link_nodes(peer, direction, node);
@ -742,12 +755,35 @@ static const struct pw_node_proxy_events dsp_node_events = {
.info = dsp_node_event_info,
};
static void idle_timeout(void *data, uint64_t expirations)
{
struct session *sess = data;
struct impl *impl = sess->impl;
struct spa_command *cmd = &SPA_NODE_COMMAND_INIT(SPA_NODE_COMMAND_Suspend);
pw_log_debug(NAME " %p: session %d idle timeout", impl, sess->id);
remove_idle_timeout(sess);
pw_node_proxy_send_command((struct pw_node_proxy*)sess->node->obj.proxy, cmd);
if (sess->dsp)
pw_node_proxy_send_command((struct pw_node_proxy*)sess->dsp->obj.proxy, cmd);
}
static void rescan_session(struct impl *impl, struct session *sess)
{
if (spa_list_is_empty(&sess->node_list) && sess->busy) {
struct pw_loop *main_loop = pw_core_get_main_loop(impl->core);
struct timespec value;
pw_log_debug(NAME "%p: session %d became idle", impl, sess->id);
sess->exclusive = false;
sess->busy = false;
sess->idle_timeout = pw_loop_add_timer(main_loop, idle_timeout, sess);
value.tv_sec = 3;
value.tv_nsec = 0;
pw_loop_update_timer(main_loop, sess->idle_timeout, &value, NULL, false);
}
if (sess->need_dsp && sess->dsp == NULL && !sess->dsp_pending) {
struct pw_properties *props;