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impl-node: return a result from pw_impl_node_trigger()

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Return 0 when the peer was not triggered, 1 when it was triggered and
an error when there was an error.
This commit is contained in:
Wim Taymans 2024-11-05 15:53:12 +01:00
parent f12d37a421
commit bc57b9ec86
4 changed files with 23 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/pipewire/filter.c
View file

@ -2111,7 +2111,7 @@ int pw_filter_trigger_process(struct pw_filter *filter)
pw_log_trace_fp("%p: driving:%d", impl, filter->node->driving);
if (impl->trigger) {
pw_impl_node_trigger(filter->node);
res = pw_impl_node_trigger(filter->node);
} else if (filter->node->driving) {
res = pw_loop_invoke(impl->data_loop,
do_trigger_process, 1, NULL, 0, false, impl);

3
src/pipewire/impl-node.c
View file

@ -1523,8 +1523,7 @@ int pw_impl_node_trigger(struct pw_impl_node *node)
{
uint64_t nsec = get_time_ns(node->rt.target.system);
struct pw_node_target *t = &node->rt.target;
t->trigger(t, nsec);
return 0;
return t->trigger(t, nsec);
}
static void node_on_fd_events(struct spa_source *source)

31
src/pipewire/private.h
View file

@ -539,7 +539,7 @@ struct pw_node_target {
struct pw_node_activation *activation;
struct spa_system *system;
int fd;
void (*trigger)(struct pw_node_target *t, uint64_t nsec);
int (*trigger)(struct pw_node_target *t, uint64_t nsec);
unsigned int active:1;
unsigned int added:1;
};
@ -653,45 +653,54 @@ static inline uint64_t get_time_ns(struct spa_system *system)
/* called from data-loop decrement the dependency counter of the target and when
* there are no more dependencies, trigger the node. */
static inline void trigger_target_v1(struct pw_node_target *t, uint64_t nsec)
static inline int trigger_target_v1(struct pw_node_target *t, uint64_t nsec)
{
struct pw_node_activation *a = t->activation;
struct pw_node_activation_state *state = &a->state[0];
int32_t pending = SPA_ATOMIC_DEC(state->pending);
int res = pending == 0, r;
pw_log_trace_fp("%p: (%s-%u) state:%p pending:%d/%d", t->node,
t->name, t->id, state, pending, state->required);
if (pending == 0) {
if (SPA_ATOMIC_CAS(a->status,
if (res) {
if (SPA_LIKELY(SPA_ATOMIC_CAS(a->status,
PW_NODE_ACTIVATION_NOT_TRIGGERED,
PW_NODE_ACTIVATION_TRIGGERED)) {
PW_NODE_ACTIVATION_TRIGGERED))) {
a->signal_time = nsec;
if (SPA_UNLIKELY(spa_system_eventfd_write(t->system, t->fd, 1) < 0))
pw_log_warn("%p: write failed %m", t->node);
if (SPA_UNLIKELY((r = spa_system_eventfd_write(t->system, t->fd, 1)) < 0)) {
pw_log_warn("%p: write failed %s", t->node, spa_strerror(r));
res = r;
}
} else {
pw_log_trace_fp("%p: (%s-%u) not ready %d", t->node,
t->name, t->id, a->status);
res = -EIO;
}
}
return res;
}
static inline void trigger_target_v0(struct pw_node_target *t, uint64_t nsec)
static inline int trigger_target_v0(struct pw_node_target *t, uint64_t nsec)
{
struct pw_node_activation *a = t->activation;
struct pw_node_activation_state *state = &a->state[0];
int32_t pending = SPA_ATOMIC_DEC(state->pending);
int res = pending == 0, r;
pw_log_trace_fp("%p: (%s-%u) state:%p pending:%d/%d", t->node,
t->name, t->id, state, pending, state->required);
if (pending == 0) {
if (res) {
SPA_ATOMIC_STORE(a->status, PW_NODE_ACTIVATION_TRIGGERED);
a->signal_time = nsec;
if (SPA_UNLIKELY(spa_system_eventfd_write(t->system, t->fd, 1) < 0))
pw_log_warn("%p: write failed %m", t->node);
if (SPA_UNLIKELY((r = spa_system_eventfd_write(t->system, t->fd, 1)) < 0)) {
res = r;
pw_log_warn("%p: write failed %s", t->node, spa_strerror(r));
}
}
return res;
}
struct pw_node_peer {
int ref;

2
src/pipewire/stream.c
View file

@ -2579,7 +2579,7 @@ int pw_stream_trigger_process(struct pw_stream *stream)
impl->using_trigger = true;
if (impl->trigger) {
pw_impl_node_trigger(stream->node);
res = pw_impl_node_trigger(stream->node);
} else if (stream->node->driving) {
res = pw_loop_invoke(impl->data_loop,
do_trigger_driver, 1, NULL, 0, false, impl);