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impl-node: optimize invoke usage

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When the driver and the node have the same data-loop we can group the
invoke calls together and avoid context switches for the sync
operations.
This commit is contained in:
Wim Taymans 2024-04-30 16:17:03 +02:00
parent bd14e212c7
commit 8dabf3486e
1 changed files with 63 additions and 6 deletions
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69
src/pipewire/impl-node.c
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@ -206,25 +206,83 @@ do_node_remove(struct spa_loop *loop, bool async, uint32_t seq,
return 0;
}
static int
do_node_prepare_add(struct spa_loop *loop, bool async, uint32_t seq,
const void *data, size_t size, void *user_data)
{
struct pw_impl_node *this = user_data;
do_node_prepare(loop, async, seq, data, size, user_data);
if (!this->exported)
do_node_add(loop, async, seq, data, size, user_data);
return 0;
}
static void add_node_to_graph(struct pw_impl_node *node)
{
struct pw_impl_node *driver = node->driver_node;
if (!node->rt.added) {
if (node->rt.added)
return;
if (node->data_loop == driver->data_loop) {
pw_loop_invoke(node->data_loop, do_node_prepare_add, 1, NULL, 0, true, node);
} else {
pw_loop_invoke(node->data_loop, do_node_prepare, 1, NULL, 0, true, node);
if (!node->exported)
pw_loop_invoke(driver->data_loop, do_node_add, 1, NULL, 0, true, node);
node->rt.added = true;
}
node->rt.added = true;
}
static int
do_node_remove_unprepare(struct spa_loop *loop, bool async, uint32_t seq,
const void *data, size_t size, void *user_data)
{
struct pw_impl_node *this = user_data;
if (!this->exported)
do_node_remove(loop, async, seq, data, size, user_data);
do_node_unprepare(loop, async, seq, data, size, user_data);
return 0;
}
static void remove_node_from_graph(struct pw_impl_node *node)
{
struct pw_impl_node *driver = node->driver_node;
if (node->rt.added) {
if (!node->rt.added)
return;
if (node->data_loop == driver->data_loop) {
pw_loop_invoke(node->data_loop, do_node_remove_unprepare, 1, NULL, 0, true, node);
} else {
if (!node->exported)
pw_loop_invoke(driver->data_loop, do_node_remove, 1, NULL, 0, true, node);
pw_loop_invoke(node->data_loop, do_node_unprepare, 1, NULL, 0, true, node);
node->rt.added = false;
}
node->rt.added = false;
}
static int
do_node_move(struct spa_loop *loop, bool async, uint32_t seq,
const void *data, size_t size, void *user_data)
{
do_node_remove_unprepare(loop, async, seq, data, size, user_data);
do_node_prepare_add(loop, async, seq, data, size, user_data);
return 0;
}
static void move_node_to_graph(struct pw_impl_node *node)
{
struct pw_impl_node *driver = node->driver_node;
if (!node->rt.added)
return;
if (node->data_loop == driver->data_loop) {
pw_loop_invoke(node->data_loop, do_node_move, 1, NULL, 0, true, node);
} else {
remove_node_from_graph(node);
add_node_to_graph(node);
}
}
@ -949,8 +1007,7 @@ int pw_impl_node_set_driver(struct pw_impl_node *node, struct pw_impl_node *driv
node->driver_node = driver;
node->moved = true;
remove_node_from_graph(node);
add_node_to_graph(node);
move_node_to_graph(node);
pw_impl_node_emit_driver_changed(node, old, driver);