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introspect: only introspect readable node and device params

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Check the node and device params for READ access before attempting
to enumerate them.
This commit is contained in:
Wim Taymans 2019-03-11 16:53:48 +01:00
parent d379fa348b
commit f54412e722
1 changed files with 38 additions and 15 deletions
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53
src/introspect.c
View file

@ -30,8 +30,26 @@
static void node_event_info(void *object, const struct pw_node_info *info)
{
struct global *g = object;
uint32_t i;
pw_log_debug("update %d", g->id);
g->info = pw_node_info_update(g->info, info);
if (info->change_mask & SPA_NODE_CHANGE_MASK_PARAMS) {
for (i = 0; i < info->n_params; i++) {
if (!(info->params[i].flags & SPA_PARAM_INFO_READ))
continue;
switch (info->params[i].id) {
case SPA_PARAM_EnumFormat:
pw_node_proxy_enum_params((struct pw_node_proxy*)g->proxy,
0, SPA_PARAM_EnumFormat, 0, -1, NULL);
break;
default:
break;
}
}
}
}
static void node_event_param(void *object, int seq,
@ -151,6 +169,7 @@ static void device_event_info(void *object, const struct pw_device_info *info)
{
struct global *g = object;
pa_card_info *i = &g->card_info.info;
uint32_t n;
pw_log_debug("update %d", g->id);
info = g->info = pw_device_info_update(g->info, info);
@ -166,6 +185,25 @@ static void device_event_info(void *object, const struct pw_device_info *info)
else
i->proplist = pa_proplist_new_dict(info->props);
}
if (info->change_mask & SPA_DEVICE_CHANGE_MASK_PARAMS) {
for (n = 0; n < info->n_params; n++) {
if (!(info->params[n].flags & SPA_PARAM_INFO_READ))
continue;
switch (info->params[n].id) {
case SPA_PARAM_EnumProfile:
pw_device_proxy_enum_params((struct pw_device_proxy*)g->proxy,
0, SPA_PARAM_EnumProfile, 0, -1, NULL);
break;
case SPA_PARAM_Profile:
pw_device_proxy_enum_params((struct pw_device_proxy*)g->proxy,
0, SPA_PARAM_Profile, 0, -1, NULL);
break;
default:
break;
}
}
}
}
static const struct pw_device_proxy_events device_events = {
@ -257,21 +295,6 @@ static int ensure_global(pa_context *c, struct global *g)
pw_proxy_add_proxy_listener(g->proxy, &g->proxy_proxy_listener, events, g);
g->destroy = destroy;
switch (g->type) {
case PW_TYPE_INTERFACE_Node:
pw_node_proxy_enum_params((struct pw_node_proxy*)g->proxy,
0, SPA_PARAM_EnumFormat, 0, -1, NULL);
break;
case PW_TYPE_INTERFACE_Device:
pw_device_proxy_enum_params((struct pw_device_proxy*)g->proxy,
0, SPA_PARAM_EnumProfile, 0, -1, NULL);
pw_device_proxy_enum_params((struct pw_device_proxy*)g->proxy,
0, SPA_PARAM_Profile, 0, -1, NULL);
break;
default:
break;
}
return 0;
}