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context: use subscribe params

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Improve volume setting
This commit is contained in:
Wim Taymans 2019-03-18 16:11:23 +01:00
parent 571cb214d5
commit d4cf47ec55
3 changed files with 64 additions and 52 deletions
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15
src/context.c
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@ -310,21 +310,24 @@ static void node_event_info(void *object, const struct pw_node_info *info)
pw_log_debug("update %d %"PRIu64, g->id, info->change_mask);
g->info = pw_node_info_update(g->info, info);
if (info->change_mask & PW_NODE_CHANGE_MASK_PARAMS) {
for (i = 0; i < info->n_params; i++) {
if (!(info->params[i].flags & SPA_PARAM_INFO_READ))
continue;
if (info->change_mask & PW_NODE_CHANGE_MASK_PARAMS && !g->subscribed) {
uint32_t subscribed[32], n_subscribed = 0;
for (i = 0; i < info->n_params; i++) {
switch (info->params[i].id) {
case SPA_PARAM_EnumFormat:
case SPA_PARAM_Props:
pw_node_proxy_enum_params((struct pw_node_proxy*)g->proxy,
0, info->params[i].id, 0, -1, NULL);
subscribed[n_subscribed++] = info->params[i].id;
break;
default:
break;
}
}
if (n_subscribed > 0) {
pw_node_proxy_subscribe_params((struct pw_node_proxy*)g->proxy,
subscribed, n_subscribed);
g->subscribed = true;
}
}
g->pending_seq = pw_proxy_sync(g->proxy, 0);
}