diff options
Diffstat (limited to 'ext/persist.lv2/persist.ttl')
| -rw-r--r-- | ext/persist.lv2/persist.ttl | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/ext/persist.lv2/persist.ttl b/ext/persist.lv2/persist.ttl index 7c2847a..fcd03dc 100644 --- a/ext/persist.lv2/persist.ttl +++ b/ext/persist.lv2/persist.ttl @@ -90,6 +90,7 @@ or conventional state keys likely to be useful to several implementations.</p> <pre> #define NS_EG "http://example.org/" #define NS_ATOM "http://lv2plug.in/ns/ext/atom#" +#define NS_XSD "http://www.w3.org/2001/XMLSchema#" static const char* const KEY_GREETING = "http://example.org/greeting"; @@ -98,7 +99,7 @@ LV2_Handle my_instantiate(...) MyPlugin* plugin = ...; LV2_URI_Map_Feature* map = ...; plugin->uri_greeting_key = map->uri_to_id(..., NULL, NS_EG "greeting-key"); - plugin->uri_atom_String = map->uri_to_id(..., NULL, NS_ATOM "String"); + plugin->uri_xsd_string = map->uri_to_id(..., NULL, NS_XSD "string"); plugin->state->greeting = strdup("Hello"); return plugin; } @@ -111,11 +112,12 @@ void my_save(LV2_Handle instance, const char* greeting = plugin->state->greeting; store(callback_data, + 0, plugin->uri_greeting_key, greeting, strlen(greeting) + 1, - plugin->uri_atom_String, - true); + plugin->uri_xsd_string, + LV2_PERSIST_IS_POD | LV2_PERSIST_IS_PORTABLE); } void my_restore(LV2_Handle instance, @@ -126,12 +128,13 @@ void my_restore(LV2_Handle instance, size_t size; uint32_t type; - bool pod; + uint32_t flags; const char* greeting = retrieve(callback_data, + 0 plugin->uri_greeting_key, &size, &type, - &pod); + &flags); if (greeting) { free(plugin->state->greeting); @@ -145,15 +148,20 @@ void my_restore(LV2_Handle instance, <p>Similarly, a typical use case in a host is:</p> <pre> int store_callback(void* callback_data, + uint32_t subject, uint32_t key, const void* value, size_t size, uint32_t type, - bool pod) + uint32_t flags) { - if (pod) { + if ((flags & LV2_PERSIST_IS_POD)) { + /* Keeping state in memory only, if disk was involved then + LV2_PERSIST_IS_PORTABLE would have to be checked as well. + */ Map* state_map = (Map*)callback_data; - state_map->insert(key, Value(value, size, type, pod)); + state_map->insert(Key(subject, key), + Value(copy(value), size, type, pod)); return 0; } else { return 1; /* Non-POD events are unsupported. */ |