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impl-port: make a follow-suspend port mode

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It's like the follow mode but when you link 2 follow-suspend ports
together, they will activate eachother.

This is to make Source -> Sink links work.
This commit is contained in:
Wim Taymans 2026-03-12 14:40:04 +01:00
parent 45e3af5cdc
commit ca91b368c1
4 changed files with 30 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

27
src/modules/module-scheduler-v1.c
View file

@ -188,12 +188,25 @@ static void make_runnable(struct pw_context *context, struct pw_impl_node *node)
* Only consider ports that have a PASSIVE_MODE_FALSE link.
* All other port modes don't make A and B runnable.
*
* A -> B A + B both set to running
* A -> (p) B A + B both set to running
* A -> (f) B A + B both set to running
* A (p) -> (*) B A + B no change
* A (f) -> (*) B A + B no change
* A -> B A + B both set to running
* A -> (p) B A + B both set to running
* A -> (f) B A + B both set to running
* A (p) -> (*) B A + B no change
* A (f) -> (*) B A + B no change
* A (fs) -> (*) B A + B no change
* A (fs) -> (fs) B A + B both set to running
*/
static inline bool may_follow(struct pw_impl_port *p, struct pw_impl_port *other)
{
pw_log_warn("%s %s %d %d", p->node->name, other->node->name,
p->passive_mode, other->passive_mode);
if (p->passive_mode == PASSIVE_MODE_FALSE)
return true;
if (p->passive_mode == PASSIVE_MODE_FOLLOW_SUSPEND &&
other->passive_mode == PASSIVE_MODE_FOLLOW_SUSPEND)
return true;
return false;
}
static void check_runnable(struct pw_context *context, struct pw_impl_node *node)
{
struct pw_impl_port *p;
@ -213,7 +226,7 @@ static void check_runnable(struct pw_context *context, struct pw_impl_node *node
* with a non-passive link */
pw_log_trace(" out-port %p: link %p passive:%d prepared:%d active:%d", p,
l, p->passive_mode, l->prepared, n->active);
if (!n->active || p->passive_mode != PASSIVE_MODE_FALSE)
if (!n->active || !may_follow(p, l->input))
continue;
/* explicitly prepare the link in case it was suspended */
pw_impl_link_prepare(l);
@ -228,7 +241,7 @@ static void check_runnable(struct pw_context *context, struct pw_impl_node *node
n = l->output->node;
pw_log_trace(" in-port %p: link %p passive:%d prepared:%d active:%d", p,
l, p->passive_mode, l->prepared, n->active);
if (!n->active || p->passive_mode != PASSIVE_MODE_FALSE)
if (!n->active || !may_follow(p, l->output))
continue;
pw_impl_link_prepare(l);
if (!l->prepared)