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impl-node: first start the node, then make it schedulable

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We first need to issue the start command for driver nodes and then
we can add the node to be scheduled. Else we might end up with nodes
that receive the _process callback without the Start command being
called first and we can crash.

See #904
This commit is contained in:
Wim Taymans 2021-03-23 10:17:01 +01:00
parent 7ee52b396d
commit 4668b72312
1 changed files with 2 additions and 1 deletions
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3
src/pipewire/impl-node.c
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@ -338,10 +338,11 @@ static void node_update_state(struct pw_impl_node *node, enum pw_node_state stat
switch (state) { switch (state) {
case PW_NODE_STATE_RUNNING: case PW_NODE_STATE_RUNNING:
pw_loop_invoke(node->data_loop, do_node_add, 1, NULL, 0, true, node);
if (node->driving && node->driver) if (node->driving && node->driver)
spa_node_send_command(node->node, spa_node_send_command(node->node,
&SPA_NODE_COMMAND_INIT(SPA_NODE_COMMAND_Start)); &SPA_NODE_COMMAND_INIT(SPA_NODE_COMMAND_Start));
pw_loop_invoke(node->data_loop, do_node_add, 1, NULL, 0, true, node);
break; break;
default: default:
break; break;