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metadata: Add metadata API

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Metadata allows apps to attach properties to objects that can be
read by other apps.
Not complete yet, properties should be removed when the object is
removed.
This commit is contained in:
Wim Taymans 2019-11-03 10:31:14 +01:00
parent 8ddf579cc0
commit 0a81a982f7
12 changed files with 981 additions and 2 deletions
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12
src/examples/media-session/media-session.c
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@ -87,6 +87,8 @@ struct impl {
struct monitor alsa_monitor;
struct monitor v4l2_monitor;
struct sm_metadata *metadata;
struct spa_dbus *dbus;
struct spa_dbus_connection *dbus_connection;
DBusConnection *conn;
@ -193,6 +195,7 @@ struct session {
#include "alsa-monitor.c"
#include "v4l2-monitor.c"
#include "bluez-monitor.c"
#include "metadata.c"
static void add_object(struct impl *impl, struct object *obj)
{
@ -1244,6 +1247,12 @@ static void start_services(struct impl *impl)
else
pw_log_debug("got dbus connection %p", impl->conn);
pw_remote_export(impl->remote,
PW_TYPE_INTERFACE_Metadata,
NULL,
impl->metadata,
0);
bluez5_start_monitor(impl, &impl->bluez5_monitor);
alsa_start_monitor(impl, &impl->alsa_monitor);
alsa_start_midi_bridge(impl);
@ -1316,6 +1325,7 @@ int main(int argc, char *argv[])
pw_module_load(impl.core, "libpipewire-module-client-device", NULL, NULL);
pw_module_load(impl.core, "libpipewire-module-adapter", NULL, NULL);
pw_module_load(impl.core, "libpipewire-module-metadata", NULL, NULL);
clock_gettime(CLOCK_MONOTONIC, &impl.now);
@ -1324,6 +1334,8 @@ int main(int argc, char *argv[])
if (pw_remote_connect(impl.remote) < 0)
return -1;
impl.metadata = sm_metadata_new(NULL);
pw_main_loop_run(impl.loop);
pw_core_destroy(impl.core);