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media-session: add media session helpers

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Move all the media-session object monitoring into one place and
provide an API to get to the session objects.

Make API to add module specific info to objects.

Add methods to export and create objects in the session. This should
make it possible to link proxy to implementation and avoid a server
roundtrip in some cases.
This commit is contained in:
Wim Taymans 2019-11-14 18:35:29 +01:00
parent 3f3dfbc67e
commit 161cf46898
9 changed files with 1140 additions and 1054 deletions
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8
src/examples/media-session/v4l2-monitor.c
View file

@ -132,7 +132,7 @@ static struct v4l2_node *v4l2_create_node(struct v4l2_object *obj, uint32_t id,
node->monitor = monitor;
node->object = obj;
node->id = id;
node->proxy = pw_core_proxy_create_object(impl->core_proxy,
node->proxy = sm_media_session_create_object(impl->session,
"spa-node-factory",
PW_TYPE_INTERFACE_Node,
PW_VERSION_NODE_PROXY,
@ -252,7 +252,7 @@ static struct v4l2_object *v4l2_create_object(struct monitor *monitor, uint32_t
const struct spa_device_object_info *info)
{
struct impl *impl = monitor->impl;
struct pw_core *core = impl->core;
struct pw_core *core = impl->session->core;
struct v4l2_object *obj;
struct spa_handle *handle;
int res;
@ -292,7 +292,7 @@ static struct v4l2_object *v4l2_create_object(struct monitor *monitor, uint32_t
obj->props = pw_properties_new_dict(info->props);
v4l2_update_device_props(obj);
obj->proxy = pw_remote_export(impl->remote,
obj->proxy = sm_media_session_export(impl->session,
info->type, pw_properties_copy(obj->props), obj->device, 0);
if (obj->proxy == NULL) {
res = -errno;
@ -356,7 +356,7 @@ static const struct spa_device_events v4l2_udev_callbacks =
static int v4l2_start_monitor(struct impl *impl, struct monitor *monitor)
{
struct spa_handle *handle;
struct pw_core *core = impl->core;
struct pw_core *core = impl->session->core;
int res;
void *iface;