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graph: new scheduling model

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Make explicit links between elements that are used to activate the
next element in the graph.
Make subgraphs a special regular node. Make a link from the
subgraph children to the parent so that the subgraph completes when
all the children completed.
Implement a single process function in plugins
Remove many messages in the client node
This commit is contained in:
Wim Taymans 2018-03-20 11:37:11 +01:00
parent 9b0a880afb
commit 33a322b96e
36 changed files with 401 additions and 750 deletions
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11
src/pipewire/private.h
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@ -272,10 +272,11 @@ struct pw_node {
struct pw_loop *data_loop; /**< the data loop for this node */
struct {
struct spa_graph_node node;
struct spa_list links[2];
struct spa_graph_node root;
struct pw_node_activation *activation;
struct spa_list sched_link;
struct spa_graph_node node;
struct spa_graph_node subnode;
struct spa_graph_link sublink;
} rt;
void *user_data; /**< extra user data */
@ -336,6 +337,7 @@ struct pw_port {
struct spa_graph_port port; /**< this graph port, linked to mix_port */
struct spa_graph_port mix_port; /**< port from the mixer */
struct spa_graph_node mix_node; /**< mixer node */
struct spa_graph_link mix_link; /**< mixer link */
struct spa_graph_state mix_state; /**< mixer state */
} rt; /**< data only accessed from the data thread */
@ -369,8 +371,7 @@ struct pw_link {
struct {
struct pw_port_mix mix[2];
struct spa_list in_node_link;
struct spa_list out_node_link;
struct spa_graph_link link; /**< nodes link */
} rt;
void *user_data;