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link: try to improve passive links

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This commit is contained in:
Wim Taymans 2018-03-09 13:13:26 +01:00
parent e85f7501b5
commit 533c299244
1 changed files with 17 additions and 7 deletions
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24
src/pipewire/link.c
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@ -42,6 +42,7 @@ struct impl {
bool active; bool active;
bool have_io; bool have_io;
bool activated; bool activated;
bool passive;
struct pw_work_queue *work; struct pw_work_queue *work;
@ -1027,6 +1028,11 @@ int pw_link_activate(struct pw_link *this)
this->output->node->n_used_output_links++; this->output->node->n_used_output_links++;
this->input->node->n_used_input_links++; this->input->node->n_used_input_links++;
if (impl->passive) {
this->input->node->idle_used_input_links++;
this->output->node->idle_used_output_links++;
}
pw_work_queue_add(impl->work, pw_work_queue_add(impl->work,
this, -EBUSY, (pw_work_func_t) check_states, this); this, -EBUSY, (pw_work_func_t) check_states, this);
@ -1074,6 +1080,11 @@ int pw_link_deactivate(struct pw_link *this)
input_node->n_used_input_links--; input_node->n_used_input_links--;
output_node->n_used_output_links--; output_node->n_used_output_links--;
if (impl->passive) {
input_node->idle_used_input_links--;
output_node->idle_used_output_links--;
}
pw_log_debug("link %p: in %d %d, out %d %d, %d %d %d %d", this, pw_log_debug("link %p: in %d %d, out %d %d, %d %d %d %d", this,
input_node->n_used_input_links, input_node->n_used_input_links,
input_node->n_used_output_links, input_node->n_used_output_links,
@ -1219,10 +1230,8 @@ struct pw_link *pw_link_new(struct pw_core *core,
if (properties) { if (properties) {
const char *str = pw_properties_get(properties, PW_LINK_PROP_PASSIVE); const char *str = pw_properties_get(properties, PW_LINK_PROP_PASSIVE);
if (str && pw_properties_parse_bool(str)) { if (str && pw_properties_parse_bool(str))
input_node->idle_used_input_links++; impl->passive = true;
output_node->idle_used_output_links++;
}
} }
spa_list_init(&this->resource_list); spa_list_init(&this->resource_list);
spa_hook_list_init(&this->listener_list); spa_hook_list_init(&this->listener_list);
@ -1304,6 +1313,7 @@ int pw_link_register(struct pw_link *link,
struct pw_global *parent, struct pw_global *parent,
struct pw_properties *properties) struct pw_properties *properties)
{ {
struct impl *impl = SPA_CONTAINER_OF(link, struct impl, this);
struct pw_core *core = link->core; struct pw_core *core = link->core;
struct pw_node *input_node, *output_node; struct pw_node *input_node, *output_node;
@ -1343,9 +1353,9 @@ int pw_link_register(struct pw_link *link,
output_node->idle_used_input_links, output_node->idle_used_input_links,
output_node->idle_used_output_links); output_node->idle_used_output_links);
if ((input_node->n_used_input_links + 1 > input_node->idle_used_input_links || if ((input_node->n_used_input_links >= input_node->idle_used_input_links ||
output_node->n_used_output_links + 1 > output_node->idle_used_output_links) && output_node->n_used_output_links >= output_node->idle_used_output_links) &&
input_node->active && output_node->active) input_node->active && output_node->active && !impl->passive)
pw_link_activate(link); pw_link_activate(link);
return 0; return 0;