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jack: add per client match rules

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This makes it possible to configure per client settings such as
latency and later also to lock the quantum for certain clients.

See #1456
This commit is contained in:
Wim Taymans 2021-07-27 15:50:05 +02:00
parent d2826a5dab
commit 4e087caa2b
4 changed files with 184 additions and 0 deletions
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23
pipewire-jack/src/pipewire-jack.c
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@ -395,6 +395,10 @@ static int do_sync(struct client *client);
#include "metadata.c"
int pw_jack_match_rules(const char *rules, size_t size, const struct spa_dict *props,
int (*matched) (void *data, const char *action, const char *val, int len),
void *data);
static void init_port_pool(struct client *c, enum spa_direction direction)
{
spa_list_init(&c->ports[direction]);
@ -2824,6 +2828,15 @@ static void varargs_parse (struct client *c, jack_options_t options, va_list ap)
}
}
static int execute_match(void *data, const char *action, const char *val, int len)
{
struct client *client = data;
if (spa_streq(action, "update-props"))
pw_properties_update_string(client->props, val, len);
return 1;
}
SPA_EXPORT
jack_client_t * jack_client_open (const char *client_name,
jack_options_t options,
@ -2888,6 +2901,16 @@ jack_client_t * jack_client_open (const char *client_name,
if ((str = getenv("PIPEWIRE_PROPS")) != NULL)
pw_properties_update_string(client->props, str, strlen(str));
if ((str = pw_context_get_conf_section(client->context.context,
"jack.rules")) != NULL) {
const struct pw_properties *p =
pw_context_get_properties(client->context.context);
if (p != NULL)
pw_jack_match_rules(str, strlen(str), &p->dict,
execute_match, client);
}
if ((str = pw_properties_get(client->props, "jack.merge-monitor")) != NULL)
client->merge_monitor = pw_properties_parse_bool(str);
if ((str = pw_properties_get(client->props, "jack.short-name")) != NULL)