mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
pulse-server: implement node latency offset
Also add facility for storing user data on objects.
This commit is contained in:
Pauli Virtanen
Wim Taymans
parent
d75a79babc
commit
ed9614077c
3 changed files with 237 additions and 9 deletions
|
|
@ -146,6 +146,11 @@ struct client {
|
|||
struct pw_manager_object *prev_default_source;
|
||||
};
|
||||
|
||||
struct latency_offset_data {
|
||||
int64_t prev_latency_offset;
|
||||
unsigned int initialized:1;
|
||||
};
|
||||
|
||||
struct buffer_attr {
|
||||
uint32_t maxlength;
|
||||
uint32_t tlength;
|
||||
|
|
@ -724,6 +729,61 @@ static uint32_t get_event_and_id(struct client *client, struct pw_manager_object
|
|||
static struct pw_manager_object *find_device(struct client *client,
|
||||
uint32_t id, const char *name, bool sink);
|
||||
|
||||
static int64_t get_node_latency_offset(struct pw_manager_object *o)
|
||||
{
|
||||
int64_t latency_offset = 0LL;
|
||||
struct pw_manager_param *p;
|
||||
|
||||
spa_list_for_each(p, &o->param_list, link) {
|
||||
if (p->id != SPA_PARAM_Props)
|
||||
continue;
|
||||
if (spa_pod_parse_object(p->param,
|
||||
SPA_TYPE_OBJECT_Props, NULL,
|
||||
SPA_PROP_latencyOffsetNsec, SPA_POD_Long(&latency_offset)) == 1)
|
||||
break;
|
||||
}
|
||||
return latency_offset;
|
||||
}
|
||||
|
||||
static void send_latency_offset_subscribe_event(struct client *client, struct pw_manager_object *o)
|
||||
{
|
||||
struct latency_offset_data *d;
|
||||
struct pw_node_info *info;
|
||||
const char *str;
|
||||
uint32_t card_id = SPA_ID_INVALID;
|
||||
int64_t latency_offset = 0LL;
|
||||
bool changed = false;
|
||||
|
||||
if (!object_is_sink(o) && !object_is_source_or_monitor(o))
|
||||
return;
|
||||
|
||||
/*
|
||||
* Pulseaudio sends card change events on latency offset change.
|
||||
*/
|
||||
|
||||
if ((info = o->info) == NULL || info->props == NULL)
|
||||
return;
|
||||
if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL)
|
||||
card_id = (uint32_t)atoi(str);
|
||||
if (card_id == SPA_ID_INVALID)
|
||||
return;
|
||||
|
||||
d = pw_manager_object_add_data(o, "latency_offset_data", sizeof(struct latency_offset_data));
|
||||
if (d == NULL)
|
||||
return;
|
||||
|
||||
latency_offset = get_node_latency_offset(o);
|
||||
changed = (!d->initialized || latency_offset != d->prev_latency_offset);
|
||||
|
||||
d->prev_latency_offset = latency_offset;
|
||||
d->initialized = true;
|
||||
|
||||
if (changed)
|
||||
send_subscribe_event(client,
|
||||
SUBSCRIPTION_EVENT_CARD | SUBSCRIPTION_EVENT_CHANGE,
|
||||
card_id);
|
||||
}
|
||||
|
||||
static void send_default_change_subscribe_event(struct client *client, bool sink, bool source)
|
||||
{
|
||||
struct pw_manager_object *def;
|
||||
|
|
@ -800,6 +860,7 @@ static void manager_updated(void *data, struct pw_manager_object *o)
|
|||
event | SUBSCRIPTION_EVENT_CHANGE,
|
||||
id);
|
||||
|
||||
send_latency_offset_subscribe_event(client, o);
|
||||
send_default_change_subscribe_event(client, object_is_sink(o), object_is_source_or_monitor(o));
|
||||
}
|
||||
|
||||
|
|
@ -2815,8 +2876,8 @@ static int set_node_volume_mute(struct pw_manager_object *o,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int set_card_volume_mute(struct pw_manager_object *o, uint32_t id,
|
||||
uint32_t device_id, struct volume *vol, bool *mute)
|
||||
static int set_card_volume_mute_delay(struct pw_manager_object *o, uint32_t id,
|
||||
uint32_t device_id, struct volume *vol, bool *mute, int64_t *latency_offset)
|
||||
{
|
||||
char buf[1024];
|
||||
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf));
|
||||
|
|
@ -2844,6 +2905,9 @@ static int set_card_volume_mute(struct pw_manager_object *o, uint32_t id,
|
|||
if (mute)
|
||||
spa_pod_builder_add(&b,
|
||||
SPA_PROP_mute, SPA_POD_Bool(*mute), 0);
|
||||
if (latency_offset)
|
||||
spa_pod_builder_add(&b,
|
||||
SPA_PROP_latencyOffsetNsec, SPA_POD_Long(*latency_offset), 0);
|
||||
spa_pod_builder_pop(&b, &f[1]);
|
||||
param = spa_pod_builder_pop(&b, &f[0]);
|
||||
|
||||
|
|
@ -3024,8 +3088,8 @@ static int do_set_volume(struct client *client, uint32_t command, uint32_t tag,
|
|||
goto done;
|
||||
|
||||
if (card != NULL && dev_info.active_port != SPA_ID_INVALID)
|
||||
res = set_card_volume_mute(card, dev_info.active_port,
|
||||
dev_info.device, &volume, NULL);
|
||||
res = set_card_volume_mute_delay(card, dev_info.active_port,
|
||||
dev_info.device, &volume, NULL, NULL);
|
||||
else
|
||||
res = set_node_volume_mute(o, &volume, NULL);
|
||||
|
||||
|
|
@ -3089,8 +3153,8 @@ static int do_set_mute(struct client *client, uint32_t command, uint32_t tag, st
|
|||
goto done;
|
||||
|
||||
if (card != NULL && dev_info.active_port != SPA_ID_INVALID)
|
||||
res = set_card_volume_mute(card, dev_info.active_port,
|
||||
dev_info.device, NULL, &mute);
|
||||
res = set_card_volume_mute_delay(card, dev_info.active_port,
|
||||
dev_info.device, NULL, &mute, NULL);
|
||||
else
|
||||
res = set_node_volume_mute(o, NULL, &mute);
|
||||
|
||||
|
|
@ -3156,6 +3220,77 @@ static int do_set_port(struct client *client, uint32_t command, uint32_t tag, st
|
|||
return reply_simple_ack(client, tag);
|
||||
}
|
||||
|
||||
static int do_set_port_latency_offset(struct client *client, uint32_t command, uint32_t tag, struct message *m)
|
||||
{
|
||||
struct impl *impl = client->impl;
|
||||
struct pw_manager *manager = client->manager;
|
||||
const char *port_name = NULL;
|
||||
struct pw_manager_object *card;
|
||||
struct selector sel;
|
||||
struct card_info card_info = CARD_INFO_INIT;
|
||||
struct port_info *port_info;
|
||||
int64_t offset;
|
||||
int64_t value;
|
||||
int res;
|
||||
uint32_t n_ports;
|
||||
size_t i;
|
||||
|
||||
spa_zero(sel);
|
||||
sel.key = PW_KEY_DEVICE_NAME;
|
||||
sel.type = object_is_card;
|
||||
|
||||
if ((res = message_get(m,
|
||||
TAG_U32, &sel.id,
|
||||
TAG_STRING, &sel.value,
|
||||
TAG_STRING, &port_name,
|
||||
TAG_S64, &offset,
|
||||
TAG_INVALID)) < 0)
|
||||
return -EPROTO;
|
||||
|
||||
pw_log_info(NAME" %p: [%s] %s tag:%u index:%u card_name:%s port_name:%s offset:%"PRIi64, impl,
|
||||
client->name, commands[command].name, tag, sel.id, sel.value, port_name, offset);
|
||||
|
||||
if ((sel.id == SPA_ID_INVALID && sel.value == NULL) ||
|
||||
(sel.id != SPA_ID_INVALID && sel.value != NULL))
|
||||
return -EINVAL;
|
||||
if (port_name == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
value = offset * 1000; /* to nsec */
|
||||
|
||||
if ((card = select_object(manager, &sel)) == NULL)
|
||||
return -ENOENT;
|
||||
|
||||
collect_card_info(card, &card_info);
|
||||
port_info = alloca(card_info.n_ports * sizeof(*port_info));
|
||||
card_info.active_profile = SPA_ID_INVALID;
|
||||
n_ports = collect_port_info(card, &card_info, NULL, port_info);
|
||||
|
||||
/* Set offset on all devices of the port */
|
||||
res = -ENOENT;
|
||||
for (i = 0; i < n_ports; i++) {
|
||||
struct port_info *pi = &port_info[i];
|
||||
size_t j;
|
||||
|
||||
if (strcmp(pi->name, port_name) != 0)
|
||||
continue;
|
||||
|
||||
res = 0;
|
||||
for (j = 0; j < pi->n_devices; ++j) {
|
||||
res = set_card_volume_mute_delay(card, pi->id, pi->devices[j], NULL, NULL, &value);
|
||||
if (res < 0)
|
||||
break;
|
||||
}
|
||||
|
||||
if (res < 0)
|
||||
break;
|
||||
|
||||
return reply_simple_ack(client, tag);
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static int do_set_stream_name(struct client *client, uint32_t command, uint32_t tag, struct message *m)
|
||||
{
|
||||
struct impl *impl = client->impl;
|
||||
|
|
@ -3484,6 +3619,49 @@ static int fill_module_info(struct client *client, struct message *m,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int64_t get_port_latency_offset(struct client *client, struct pw_manager_object *card, struct port_info *pi)
|
||||
{
|
||||
struct pw_manager *m = client->manager;
|
||||
struct pw_manager_object *o;
|
||||
size_t j;
|
||||
|
||||
/*
|
||||
* The latency offset is a property of nodes in Pipewire, so we look it up on the
|
||||
* nodes. We'll return the latency offset of the first node in the port.
|
||||
*
|
||||
* This is also because we need to be consistent with
|
||||
* send_latency_offset_subscribe_event, which sends events on node changes. The
|
||||
* route data might not be updated yet when these events arrive.
|
||||
*/
|
||||
for (j = 0; j < pi->n_devices; ++j) {
|
||||
spa_list_for_each(o, &m->object_list, link) {
|
||||
const char *str;
|
||||
uint32_t card_id = SPA_ID_INVALID;
|
||||
uint32_t device_id = SPA_ID_INVALID;
|
||||
struct pw_node_info *info;
|
||||
|
||||
if (o->creating || o->removing)
|
||||
continue;
|
||||
if (!object_is_sink(o) && !object_is_source_or_monitor(o))
|
||||
continue;
|
||||
if ((info = o->info) == NULL || info->props == NULL)
|
||||
continue;
|
||||
if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL)
|
||||
card_id = (uint32_t)atoi(str);
|
||||
if (card_id != card->id)
|
||||
continue;
|
||||
|
||||
if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL)
|
||||
device_id = (uint32_t)atoi(str);
|
||||
|
||||
if (device_id == pi->devices[j])
|
||||
return get_node_latency_offset(o);
|
||||
}
|
||||
}
|
||||
|
||||
return 0LL;
|
||||
}
|
||||
|
||||
static int fill_card_info(struct client *client, struct message *m,
|
||||
struct pw_manager_object *o)
|
||||
{
|
||||
|
|
@ -3583,8 +3761,9 @@ static int fill_card_info(struct client *client, struct message *m,
|
|||
TAG_INVALID);
|
||||
}
|
||||
if (client->version >= 27) {
|
||||
int64_t latency_offset = get_port_latency_offset(client, o, pi);
|
||||
message_put(m,
|
||||
TAG_S64, 0LL, /* port latency */
|
||||
TAG_S64, latency_offset / 1000, /* port latency offset */
|
||||
TAG_INVALID);
|
||||
}
|
||||
if (client->version >= 34) {
|
||||
|
|
@ -4758,7 +4937,7 @@ static int do_error_access(struct client *client, uint32_t command, uint32_t tag
|
|||
return -EACCES;
|
||||
}
|
||||
|
||||
static int do_error_not_implemented(struct client *client, uint32_t command, uint32_t tag, struct message *m)
|
||||
static SPA_UNUSED int do_error_not_implemented(struct client *client, uint32_t command, uint32_t tag, struct message *m)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
|
@ -4911,7 +5090,7 @@ static const struct command commands[COMMAND_MAX] =
|
|||
[COMMAND_SET_SOURCE_OUTPUT_MUTE] = { "SET_SOURCE_OUTPUT_MUTE", do_set_stream_mute, },
|
||||
|
||||
/* Supported since protocol v27 (3.0) */
|
||||
[COMMAND_SET_PORT_LATENCY_OFFSET] = { "SET_PORT_LATENCY_OFFSET", do_error_not_implemented, },
|
||||
[COMMAND_SET_PORT_LATENCY_OFFSET] = { "SET_PORT_LATENCY_OFFSET", do_set_port_latency_offset, },
|
||||
|
||||
/* Supported since protocol v30 (6.0) */
|
||||
/* BOTH DIRECTIONS */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue