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jack: Pass custom flags as port.extra info

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Make a port.extra property that contains API specific extra port
information that is passed in the global object properties.
Use this to pass the custom jack flags for a port. Carla uses this
to mark CV ports.
This commit is contained in:
Wim Taymans 2021-02-09 16:09:53 +01:00
parent e6ea01046e
commit 51cfb98ea6
3 changed files with 16 additions and 0 deletions
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13
pipewire-jack/src/pipewire-jack.c
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@ -2144,6 +2144,10 @@ static void registry_event_global(void *data, uint32_t id,
node_id = atoi(str);
if ((str = spa_dict_lookup(props, PW_KEY_PORT_EXTRA)) != NULL &&
strstr(str, "jack:flags:") == str)
flags = atoi(str+11);
if ((str = spa_dict_lookup(props, PW_KEY_PORT_NAME)) == NULL)
goto exit;
@ -3204,6 +3208,7 @@ jack_port_t * jack_port_register (jack_client_t *client,
struct object *o;
jack_port_type_id_t type_id;
uint8_t buffer[1024];
char port_flags[64];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
struct spa_pod *params[4];
uint32_t n_params = 0;
@ -3276,6 +3281,14 @@ jack_port_t * jack_port_register (jack_client_t *client,
dict = SPA_DICT_INIT(items, 0);
items[dict.n_items++] = SPA_DICT_ITEM_INIT(PW_KEY_FORMAT_DSP, port_type);
items[dict.n_items++] = SPA_DICT_ITEM_INIT(PW_KEY_PORT_NAME, port_name);
if (flags > 0x1f) {
snprintf(port_flags, sizeof(port_flags), "jack:flags:%lu", flags & ~0x1f);
items[dict.n_items++] = SPA_DICT_ITEM_INIT(PW_KEY_PORT_EXTRA, port_flags);
}
if (flags & JackPortIsPhysical)
items[dict.n_items++] = SPA_DICT_ITEM_INIT(PW_KEY_PORT_PHYSICAL, "true");
if (flags & JackPortIsTerminal)
items[dict.n_items++] = SPA_DICT_ITEM_INIT(PW_KEY_PORT_TERMINAL, "true");
port_info.props = &dict;
port_info.change_mask |= SPA_PORT_CHANGE_MASK_PARAMS;
port_params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);