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modules: add pulse.latency to module-zeroconf-discover

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To set latency to remote streams.
Also add latency_msec argument to the pulseaudio module for this.

See #2755
This commit is contained in:
Wim Taymans 2022-10-12 12:18:47 +02:00
parent 6f235f344f
commit aed56719f2
2 changed files with 31 additions and 4 deletions
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25
src/modules/module-protocol-pulse/modules/module-zeroconf-discover.c
View file

@ -40,6 +40,8 @@ struct module_zeroconf_discover_data {
struct spa_hook mod_listener;
struct pw_impl_module *mod;
uint32_t latency_msec;
};
static void module_destroy(void *data)
@ -58,10 +60,25 @@ static const struct pw_impl_module_events module_events = {
static int module_zeroconf_discover_load(struct client *client, struct module *module)
{
struct module_zeroconf_discover_data *data = module->user_data;
FILE *f;
char *args;
size_t size;
if ((f = open_memstream(&args, &size)) == NULL)
return -errno;
fprintf(f, "{");
if (data->latency_msec > 0)
fprintf(f, " pulse.latency = %u ", data->latency_msec);
fprintf(f, "}");
fclose(f);
data->mod = pw_context_load_module(module->impl->context,
"libpipewire-module-zeroconf-discover",
NULL, NULL);
args, NULL);
free(args);
if (data->mod == NULL)
return -errno;
@ -88,7 +105,8 @@ static int module_zeroconf_discover_unload(struct module *module)
static const struct spa_dict_item module_zeroconf_discover_info[] = {
{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.con>" },
{ PW_KEY_MODULE_DESCRIPTION, "mDNS/DNS-SD Service Discovery" },
{ PW_KEY_MODULE_USAGE, "" },
{ PW_KEY_MODULE_USAGE,
"latency_msec=<fixed latency in ms> " },
{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
};
@ -96,9 +114,12 @@ static int module_zeroconf_discover_prepare(struct module * const module)
{
PW_LOG_TOPIC_INIT(mod_topic);
struct pw_properties * const props = module->props;
struct module_zeroconf_discover_data * const data = module->user_data;
data->module = module;
pw_properties_fetch_uint32(props, "latency_msec", &data->latency_msec);
return 0;
}