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device: add device object

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Make a device object, let the v4l2 monitor create device objects
The device object is responsible for dynamically creating nodes.
This commit is contained in:
Wim Taymans 2018-11-23 12:43:47 +01:00
parent 79253c6d46
commit e1bd12e599
43 changed files with 1784 additions and 237 deletions
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51
src/modules/spa/spa-monitor.c
View file

@ -41,15 +41,19 @@
#include <pipewire/log.h>
#include <pipewire/type.h>
#include <pipewire/node.h>
#include <pipewire/device.h>
#include "spa-monitor.h"
#include "spa-node.h"
#include "spa-device.h"
struct monitor_item {
char *id;
struct spa_list link;
struct pw_node *node;
struct spa_handle *handle;
uint32_t type;
void *iface;
void *object;
};
struct impl {
@ -70,7 +74,7 @@ static struct monitor_item *add_item(struct pw_spa_monitor *this,
int res;
struct spa_handle *handle;
struct monitor_item *mitem;
void *node_iface;
void *iface;
struct pw_properties *props = NULL;
const char *name, *id, *klass, *str;
struct spa_handle_factory *factory;
@ -78,7 +82,7 @@ static struct monitor_item *add_item(struct pw_spa_monitor *this,
struct spa_pod *info = NULL;
const struct spa_support *support;
enum pw_spa_node_flags flags;
uint32_t n_support;
uint32_t n_support, type;
if (spa_pod_object_parse(item,
":", SPA_MONITOR_ITEM_id, "s", &id,
@ -86,6 +90,7 @@ static struct monitor_item *add_item(struct pw_spa_monitor *this,
":", SPA_MONITOR_ITEM_name, "s", &name,
":", SPA_MONITOR_ITEM_class, "s", &klass,
":", SPA_MONITOR_ITEM_factory, "p", &factory,
":", SPA_MONITOR_ITEM_type, "I", &type,
":", SPA_MONITOR_ITEM_info, "T", &info, NULL) < 0) {
pw_log_warn("monitor %p: could not parse item", this);
spa_debug_pod(0, NULL, item);
@ -128,21 +133,34 @@ static struct monitor_item *add_item(struct pw_spa_monitor *this,
pw_log_error("can't make factory instance: %d", res);
return NULL;
}
if ((res = spa_handle_get_interface(handle, SPA_TYPE_INTERFACE_Node, &node_iface)) < 0) {
if ((res = spa_handle_get_interface(handle, type, &iface)) < 0) {
pw_log_error("can't get NODE interface: %d", res);
pw_properties_free(props);
return NULL;
}
flags = PW_SPA_NODE_FLAG_ACTIVATE;
flags |= (state == SPA_MONITOR_ITEM_STATE_Available) ? 0 : PW_SPA_NODE_FLAG_DISABLE;
mitem = calloc(1, sizeof(struct monitor_item));
mitem->id = strdup(id);
mitem->handle = handle;
mitem->node = pw_spa_node_new(impl->core, NULL, impl->parent, name,
mitem->type = type;
switch (type) {
case SPA_TYPE_INTERFACE_Node:
flags = PW_SPA_NODE_FLAG_ACTIVATE;
flags |= (state == SPA_MONITOR_ITEM_STATE_Available) ? 0 : PW_SPA_NODE_FLAG_DISABLE;
mitem->object = pw_spa_node_new(impl->core, NULL, impl->parent, name,
flags,
node_iface, handle, props, 0);
iface, handle, props, 0);
break;
case SPA_TYPE_INTERFACE_Device:
mitem->object = pw_spa_device_new(impl->core, NULL, impl->parent, name,
0, iface, handle, props, 0);
break;
default:
return NULL;
}
spa_list_append(&impl->item_list, &mitem->link);
@ -164,7 +182,16 @@ static struct monitor_item *find_item(struct pw_spa_monitor *this, const char *i
void destroy_item(struct monitor_item *mitem)
{
pw_node_destroy(mitem->node);
switch (mitem->type) {
case SPA_TYPE_INTERFACE_Node:
pw_node_destroy(mitem->object);
break;
case SPA_TYPE_INTERFACE_Device:
pw_device_destroy(mitem->object);
break;
default:
break;
}
spa_list_remove(&mitem->link);
spa_handle_clear(mitem->handle);
free(mitem->handle);
@ -209,11 +236,11 @@ static void change_item(struct pw_spa_monitor *this, struct spa_pod *item, uint6
switch (state) {
case SPA_MONITOR_ITEM_STATE_Available:
pw_node_set_enabled(mitem->node, true);
pw_node_set_enabled(mitem->object, true);
break;
case SPA_MONITOR_ITEM_STATE_Disabled:
case SPA_MONITOR_ITEM_STATE_Unavailable:
pw_node_set_enabled(mitem->node, false);
pw_node_set_enabled(mitem->object, false);
break;
default:
break;