mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-02 09:01:50 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

client-node: keep target links in list

Browse source 
Don't allocate the links in an array because they might be moved
when the array is resized. Instead just use calloc and add them
to a list.

Make sure we update the list used in the real-time thread from a
safe context.
This commit is contained in:
Wim Taymans 2020-02-07 16:45:58 +01:00
parent 936c290cc1
commit ee67ab9c04
2 changed files with 55 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

59
pipewire-jack/src/pipewire-jack.c
View file

@ -169,13 +169,6 @@ struct buffer {
uint32_t n_mem;
};
struct link {
uint32_t node_id;
struct pw_memmap *mem;
struct pw_node_activation *activation;
int signalfd;
};
struct mix {
struct spa_list link;
struct spa_list port_link;
@ -209,6 +202,16 @@ struct port {
float empty[MAX_BUFFER_FRAMES + MAX_ALIGN];
};
struct link {
struct spa_list link;
struct spa_list target_link;
struct client *client;
uint32_t node_id;
struct pw_memmap *mem;
struct pw_node_activation *activation;
int signalfd;
};
struct context {
struct pw_thread_loop *loop;
struct pw_context *context;
@ -304,7 +307,7 @@ struct client {
struct spa_list ports[2];
struct spa_list free_ports[2];
struct pw_array links;
struct spa_list links;
uint32_t driver_id;
struct pw_node_activation *driver_activation;
@ -312,6 +315,8 @@ struct client {
struct pw_node_activation *activation;
uint32_t xrun_count;
struct spa_list target_links;
unsigned int started:1;
unsigned int active:1;
unsigned int destroyed:1;
@ -624,11 +629,11 @@ static const struct pw_proxy_events proxy_events = {
.bound = on_node_bound,
};
static struct link *find_activation(struct pw_array *links, uint32_t node_id)
static struct link *find_activation(struct spa_list *links, uint32_t node_id)
{
struct link *l;
pw_array_for_each(l, links) {
spa_list_for_each(l, links, link) {
if (l->node_id == node_id)
return l;
}
@ -1019,7 +1024,7 @@ static inline void signal_sync(struct client *c)
activation->finish_time = nsec;
cmd = 1;
pw_array_for_each(l, &c->links) {
spa_list_for_each(l, &c->target_links, target_link) {
struct pw_node_activation_state *state;
if (l->activation == NULL)
@ -1098,10 +1103,11 @@ on_rtsocket_condition(void *data, int fd, uint32_t mask)
static void clear_link(struct client *c, struct link *link)
{
link->node_id = SPA_ID_INVALID;
link->activation = NULL;
spa_list_remove(&link->target_link);
pw_memmap_free(link->mem);
close(link->signalfd);
spa_list_remove(&link->link);
free(link);
}
static void clean_transport(struct client *c)
@ -1115,10 +1121,8 @@ static void clean_transport(struct client *c)
unhandle_socket(c);
pw_array_for_each(l, &c->links)
if (l->node_id != SPA_ID_INVALID)
clear_link(c, l);
pw_array_clear(&c->links);
spa_list_consume(l, &c->links, link)
clear_link(c, l);
c->has_transport = false;
}
@ -1700,6 +1704,17 @@ static int client_node_port_set_io(void *object,
return res;
}
static int
do_activate_link(struct spa_loop *loop,
bool async, uint32_t seq, const void *data, size_t size, void *user_data)
{
struct link *link = user_data;
struct client *c = link->client;
pw_log_trace("link %p activate", link);
spa_list_append(&c->target_links, &link->target_link);
return 0;
}
static int client_node_set_activation(void *object,
uint32_t node_id,
int signalfd,
@ -1739,15 +1754,20 @@ static int client_node_set_activation(void *object,
mem_id, offset, size, ptr);
if (ptr) {
link = pw_array_add(&c->links, sizeof(struct link));
link = calloc(1, sizeof(struct link));
if (link == NULL) {
res = -errno;
goto exit;
}
link->client = c;
link->node_id = node_id;
link->mem = mm;
link->activation = ptr;
link->signalfd = signalfd;
spa_list_append(&c->links, &link->link);
pw_loop_invoke(c->loop->loop,
do_activate_link, SPA_ID_INVALID, NULL, 0, false, link);
}
else {
link = find_activation(&c->links, node_id);
@ -2141,7 +2161,8 @@ jack_client_t * jack_client_open (const char *client_name,
if (client->loop == NULL)
goto init_failed;
pw_array_init(&client->links, 64);
spa_list_init(&client->links);
spa_list_init(&client->target_links);
client->buffer_frames = (uint32_t)-1;
client->sample_rate = (uint32_t)-1;