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link: improve negotiation

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Separate negotiation and activation steps of the link.
Keep track of the pending amount of links to negotiate before activating
a node.
This commit is contained in:
Wim Taymans 2018-07-02 12:14:50 +02:00
parent 0122e15611
commit c315c95e55
2 changed files with 49 additions and 66 deletions
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5
src/pipewire/private.h
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@ -278,11 +278,13 @@ struct pw_node {
struct pw_map input_port_map; /**< map from port_id to port */
uint32_t n_used_input_links; /**< number of active input links */
uint32_t idle_used_input_links; /**< number of active input to be idle */
uint32_t n_ready_input_links; /**< number of ready input links */
struct spa_list output_ports; /**< list of output ports */
struct pw_map output_port_map; /**< map from port_id to port */
uint32_t n_used_output_links; /**< number of active output links */
uint32_t idle_used_output_links; /**< number of active output to be idle */
uint32_t n_ready_output_links; /**< number of ready output links */
struct spa_hook_list listener_list;
@ -622,6 +624,9 @@ int pw_node_set_driver(struct pw_node *node, struct pw_node *driver);
void pw_node_process(struct pw_node *node, int status);
/** Prepare a link \memberof pw_link
* Starts the negotiation of formats and buffers on \a link */
int pw_link_prepare(struct pw_link *link);
/** starts streaming on a link */
int pw_link_activate(struct pw_link *link);