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port: implement latency_changed event

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Emit the latency changed event when the latency was updated.
This commit is contained in:
Wim Taymans 2021-05-25 17:46:50 +02:00
parent 0222e408e0
commit cd58c51582
3 changed files with 10 additions and 4 deletions
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8
src/pipewire/impl-port.c
View file

@ -365,6 +365,8 @@ static int process_latency_param(void *data, int seq,
return 0;
if (latency.direction != this->direction)
return 0;
if (spa_latency_info_compare(&this->latency[this->direction], &latency) == 0)
return 0;
pw_log_info("port %p: got %s latency %f-%f %d-%d %"PRIu64"-%"PRIu64, this,
pw_direction_as_string(this->direction),
@ -373,6 +375,7 @@ static int process_latency_param(void *data, int seq,
latency.min_ns, latency.max_ns);
this->latency[this->direction] = latency;
pw_impl_port_emit_latency_changed(this);
return 0;
}
@ -380,8 +383,8 @@ static void update_info(struct pw_impl_port *port, const struct spa_port_info *i
{
uint32_t changed_ids[MAX_PARAMS], n_changed_ids = 0;
pw_log_debug(NAME" %p: flags:%08"PRIx64" change_mask:%08"PRIx64,
port, info->flags, info->change_mask);
pw_log_debug(NAME" %p: %p flags:%08"PRIx64" change_mask:%08"PRIx64,
port, info, info->flags, info->change_mask);
if (info->change_mask & SPA_PORT_CHANGE_MASK_FLAGS) {
port->spa_flags = info->flags;
@ -426,7 +429,6 @@ static void update_info(struct pw_impl_port *port, const struct spa_port_info *i
default:
break;
}
}
}

5
src/pipewire/impl-port.h
View file

@ -56,7 +56,7 @@ enum pw_impl_port_state {
/** Port events, use \ref pw_impl_port_add_listener */
struct pw_impl_port_events {
#define PW_VERSION_IMPL_PORT_EVENTS 1
#define PW_VERSION_IMPL_PORT_EVENTS 2
uint32_t version;
/** The port is destroyed */
@ -89,6 +89,9 @@ struct pw_impl_port_events {
/** a parameter changed, since version 1 */
void (*param_changed) (void *data, uint32_t id);
/** latency changed. Since version 2 */
void (*latency_changed) (void *data);
};
/** Create a new port

1
src/pipewire/private.h
View file

@ -731,6 +731,7 @@ struct pw_impl_port_implementation {
#define pw_impl_port_emit_control_added(p,c) pw_impl_port_emit(p, control_added, 0, c)
#define pw_impl_port_emit_control_removed(p,c) pw_impl_port_emit(p, control_removed, 0, c)
#define pw_impl_port_emit_param_changed(p,i) pw_impl_port_emit(p, param_changed, 1, i)
#define pw_impl_port_emit_latency_changed(p) pw_impl_port_emit(p, latency_changed, 2)
#define PW_IMPL_PORT_IS_CONTROL(port) SPA_FLAG_MASK(port->flags, \
PW_IMPL_PORT_FLAG_BUFFERS|PW_IMPL_PORT_FLAG_CONTROL,\