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Use v4l2 monitor

Browse source 
Use the v4l2 monitor to dynamically add and remove nodes.
Use the info from the monitor as parameter for the factory init and use
it to configure the new node.
Add info to the node.
Use info from the factory as properties on the PinosNode
This commit is contained in:
Wim Taymans 2016-09-15 17:51:34 +02:00
parent 9f53eda6cb
commit 6497c82a7d
23 changed files with 542 additions and 315 deletions
Download patch file Download diff file Expand all files Collapse all files

4
pinos/modules/spa/module.c
View file

@ -22,7 +22,7 @@
#include <server/module.h>
#include "spa-alsa-sink.h"
#include "spa-v4l2-source.h"
#include "spa-v4l2-monitor.h"
#include "spa-audiotestsrc.h"
gboolean pinos__module_init (PinosModule *module, const gchar * args);
@ -31,7 +31,7 @@ G_MODULE_EXPORT gboolean
pinos__module_init (PinosModule * module, G_GNUC_UNUSED const gchar * args)
{
pinos_spa_alsa_sink_new (module->daemon, "alsa-sink", NULL);
pinos_spa_v4l2_source_new (module->daemon, "v4l2-source", NULL);
pinos_spa_v4l2_monitor_new (module->daemon);
pinos_spa_audiotestsrc_new (module->daemon, "audiotestsrc", NULL);
return TRUE;

389
pinos/modules/spa/spa-v4l2-monitor.c Normal file
View file

@ -0,0 +1,389 @@
/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#define _GNU_SOURCE
#include <dlfcn.h>
#include <errno.h>
#include <poll.h>
#include <string.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/mman.h>
#include <gio/gio.h>
#include <spa/include/spa/node.h>
#include <spa/include/spa/monitor.h>
#include "spa-v4l2-monitor.h"
#define PINOS_SPA_V4L2_MONITOR_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), PINOS_TYPE_SPA_V4L2_MONITOR, PinosSpaV4l2MonitorPrivate))
struct _PinosSpaV4l2MonitorPrivate
{
PinosDaemon *daemon;
SpaHandle *handle;
SpaMonitor *monitor;
GSource *watch_source;
unsigned int n_poll;
SpaPollItem poll[16];
GHashTable *nodes;
};
enum
{
PROP_0,
PROP_DAEMON,
PROP_MONITOR,
};
G_DEFINE_TYPE (PinosSpaV4l2Monitor, pinos_spa_v4l2_monitor, G_TYPE_OBJECT);
static SpaResult
make_handle (SpaHandle **handle, const char *lib, const char *name, const SpaDict *info)
{
SpaResult res;
void *hnd, *state = NULL;
SpaEnumHandleFactoryFunc enum_func;
if ((hnd = dlopen (lib, RTLD_NOW)) == NULL) {
g_error ("can't load %s: %s", lib, dlerror());
return SPA_RESULT_ERROR;
}
if ((enum_func = dlsym (hnd, "spa_enum_handle_factory")) == NULL) {
g_error ("can't find enum function");
return SPA_RESULT_ERROR;
}
while (true) {
const SpaHandleFactory *factory;
if ((res = enum_func (&factory, &state)) < 0) {
if (res != SPA_RESULT_ENUM_END)
g_error ("can't enumerate factories: %d", res);
break;
}
if (strcmp (factory->name, name))
continue;
*handle = g_malloc0 (factory->size);
if ((res = spa_handle_factory_init (factory, *handle, info)) < 0) {
g_error ("can't make factory instance: %d", res);
return res;
}
return SPA_RESULT_OK;
}
return SPA_RESULT_ERROR;
}
static void
add_item (PinosSpaV4l2Monitor *this, SpaMonitorItem *item)
{
PinosSpaV4l2MonitorPrivate *priv = this->priv;
SpaResult res;
SpaHandle *handle;
PinosNode *node;
void *iface;
PinosProperties *props = NULL;
g_debug ("v4l2-monitor %p: add: \"%s\" (%s)", this, item->name, item->id);
handle = calloc (1, item->factory->size);
if ((res = spa_handle_factory_init (item->factory, handle, item->info)) < 0) {
g_error ("can't make factory instance: %d", res);
return;
}
if ((res = spa_handle_get_interface (handle, SPA_INTERFACE_ID_NODE, &iface)) < 0) {
g_error ("can't get MONITOR interface: %d", res);
return;
}
if (item->info) {
unsigned int i;
props = pinos_properties_new (NULL, NULL);
for (i = 0; i < item->info->n_items; i++)
pinos_properties_set (props,
item->info->items[i].key,
item->info->items[i].value);
}
node = g_object_new (PINOS_TYPE_NODE,
"daemon", priv->daemon,
"name", item->factory->name,
"node", iface,
"properties", props,
NULL);
g_hash_table_insert (priv->nodes, g_strdup (item->id), node);
}
static void
remove_item (PinosSpaV4l2Monitor *this, SpaMonitorItem *item)
{
PinosSpaV4l2MonitorPrivate *priv = this->priv;
PinosNode *node;
g_debug ("v4l2-monitor %p: remove: \"%s\" (%s)", this, item->name, item->id);
node = g_hash_table_lookup (priv->nodes, item->id);
if (node) {
pinos_node_remove (node);
g_hash_table_remove (priv->nodes, item->id);
}
}
static gboolean
poll_event (GIOChannel *source,
GIOCondition condition,
gpointer user_data)
{
PinosSpaV4l2Monitor *this = user_data;
PinosSpaV4l2MonitorPrivate *priv = this->priv;
SpaPollNotifyData data;
data.user_data = priv->poll[0].user_data;
data.fds = priv->poll[0].fds;
data.n_fds = priv->poll[0].n_fds;
priv->poll[0].after_cb (&data);
return TRUE;
}
static void
on_monitor_event (SpaMonitor *monitor,
SpaMonitorEvent *event,
void *user_data)
{
PinosSpaV4l2Monitor *this = user_data;
PinosSpaV4l2MonitorPrivate *priv = this->priv;
switch (event->type) {
case SPA_MONITOR_EVENT_TYPE_ADDED:
{
SpaMonitorItem *item = event->data;
add_item (this, item);
break;
}
case SPA_MONITOR_EVENT_TYPE_REMOVED:
{
SpaMonitorItem *item = event->data;
remove_item (this, item);
}
case SPA_MONITOR_EVENT_TYPE_CHANGED:
{
SpaMonitorItem *item = event->data;
g_debug ("v4l2-monitor %p: changed: \"%s\"", this, item->name);
break;
}
case SPA_MONITOR_EVENT_TYPE_ADD_POLL:
{
SpaPollItem *item = event->data;
GIOChannel *channel;
priv->poll[priv->n_poll] = *item;
priv->n_poll++;
channel = g_io_channel_unix_new (item->fds[0].fd);
priv->watch_source = g_io_create_watch (channel, G_IO_IN);
g_io_channel_unref (channel);
g_source_set_callback (priv->watch_source, (GSourceFunc) poll_event, this, NULL);
g_source_attach (priv->watch_source, g_main_context_get_thread_default ());
g_source_unref (priv->watch_source);
break;
}
case SPA_MONITOR_EVENT_TYPE_UPDATE_POLL:
break;
case SPA_MONITOR_EVENT_TYPE_REMOVE_POLL:
{
priv->n_poll--;
g_source_destroy (priv->watch_source);
priv->watch_source = NULL;
break;
}
default:
break;
}
}
static void
monitor_constructed (GObject * object)
{
PinosSpaV4l2Monitor *this = PINOS_SPA_V4L2_MONITOR (object);
PinosSpaV4l2MonitorPrivate *priv = this->priv;
SpaResult res;
void *state = NULL;
g_debug ("spa-monitor %p: constructed", this);
G_OBJECT_CLASS (pinos_spa_v4l2_monitor_parent_class)->constructed (object);
while (TRUE) {
SpaMonitorItem *item;
if ((res = spa_monitor_enum_items (priv->monitor, &item, &state)) < 0) {
if (res != SPA_RESULT_ENUM_END)
g_debug ("spa_monitor_enum_items: got error %d\n", res);
break;
}
add_item (this, item);
}
spa_monitor_set_event_callback (priv->monitor, on_monitor_event, this);
}
static void
monitor_get_property (GObject *_object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
PinosSpaV4l2Monitor *this = PINOS_SPA_V4L2_MONITOR (_object);
PinosSpaV4l2MonitorPrivate *priv = this->priv;
switch (prop_id) {
case PROP_DAEMON:
g_value_set_object (value, priv->daemon);
break;
case PROP_MONITOR:
g_value_set_pointer (value, priv->monitor);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (this, prop_id, pspec);
break;
}
}
static void
monitor_set_property (GObject *_object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
PinosSpaV4l2Monitor *this = PINOS_SPA_V4L2_MONITOR (_object);
PinosSpaV4l2MonitorPrivate *priv = this->priv;
switch (prop_id) {
case PROP_DAEMON:
priv->daemon = g_value_dup_object (value);
break;
case PROP_MONITOR:
priv->monitor = g_value_get_pointer (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (this, prop_id, pspec);
break;
}
}
static void
monitor_finalize (GObject * object)
{
PinosSpaV4l2Monitor *this = PINOS_SPA_V4L2_MONITOR (object);
PinosSpaV4l2MonitorPrivate *priv = this->priv;
g_debug ("spa-monitor %p: dispose", this);
spa_handle_clear (priv->handle);
g_free (priv->handle);
g_hash_table_unref (priv->nodes);
G_OBJECT_CLASS (pinos_spa_v4l2_monitor_parent_class)->finalize (object);
}
static void
pinos_spa_v4l2_monitor_class_init (PinosSpaV4l2MonitorClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (PinosSpaV4l2MonitorPrivate));
gobject_class->constructed = monitor_constructed;
gobject_class->finalize = monitor_finalize;
gobject_class->set_property = monitor_set_property;
gobject_class->get_property = monitor_get_property;
g_object_class_install_property (gobject_class,
PROP_DAEMON,
g_param_spec_object ("daemon",
"Daemon",
"The Daemon",
PINOS_TYPE_DAEMON,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_MONITOR,
g_param_spec_pointer ("monitor",
"Monitor",
"The SPA monitor",
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
}
static void
pinos_spa_v4l2_monitor_init (PinosSpaV4l2Monitor * this)
{
PinosSpaV4l2MonitorPrivate *priv = this->priv = PINOS_SPA_V4L2_MONITOR_GET_PRIVATE (this);
priv->nodes = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
g_object_unref);
}
GObject *
pinos_spa_v4l2_monitor_new (PinosDaemon *daemon)
{
GObject *monitor;
SpaHandle *handle;
SpaResult res;
void *iface;
if ((res = make_handle (&handle,
"spa/build/plugins/v4l2/libspa-v4l2.so",
"v4l2-monitor",
NULL)) < 0) {
g_error ("can't create v4l2-monitor: %d", res);
return NULL;
}
if ((res = spa_handle_get_interface (handle, SPA_INTERFACE_ID_MONITOR, &iface)) < 0) {
g_free (handle);
g_error ("can't get MONITOR interface: %d", res);
return NULL;
}
monitor = g_object_new (PINOS_TYPE_SPA_V4L2_MONITOR,
"daemon", daemon,
"monitor", iface,
NULL);
return monitor;
}

58
pinos/modules/spa/spa-v4l2-monitor.h Normal file
View file

@ -0,0 +1,58 @@
/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PINOS_SPA_V4L2_MONITOR_H__
#define __PINOS_SPA_V4L2_MONITOR_H__
#include <glib-object.h>
#include <pinos/server/daemon.h>
G_BEGIN_DECLS
#define PINOS_TYPE_SPA_V4L2_MONITOR (pinos_spa_v4l2_monitor_get_type ())
#define PINOS_IS_SPA_V4L2_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PINOS_TYPE_SPA_V4L2_MONITOR))
#define PINOS_IS_SPA_V4L2_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PINOS_TYPE_SPA_V4L2_MONITOR))
#define PINOS_SPA_V4L2_MONITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PINOS_TYPE_SPA_V4L2_MONITOR, PinosSpaV4l2MonitorClass))
#define PINOS_SPA_V4L2_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PINOS_TYPE_SPA_V4L2_MONITOR, PinosSpaV4l2Monitor))
#define PINOS_SPA_V4L2_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PINOS_TYPE_SPA_V4L2_MONITOR, PinosSpaV4l2MonitorClass))
#define PINOS_SPA_V4L2_MONITOR_CAST(obj) ((PinosSpaV4l2Monitor*)(obj))
#define PINOS_SPA_V4L2_MONITOR_CLASS_CAST(klass) ((PinosSpaV4l2MonitorClass*)(klass))
typedef struct _PinosSpaV4l2Monitor PinosSpaV4l2Monitor;
typedef struct _PinosSpaV4l2MonitorClass PinosSpaV4l2MonitorClass;
typedef struct _PinosSpaV4l2MonitorPrivate PinosSpaV4l2MonitorPrivate;
struct _PinosSpaV4l2Monitor {
GObject object;
PinosSpaV4l2MonitorPrivate *priv;
};
struct _PinosSpaV4l2MonitorClass {
GObjectClass parent_class;
};
GType pinos_spa_v4l2_monitor_get_type (void);
GObject * pinos_spa_v4l2_monitor_new (PinosDaemon *daemon);
G_END_DECLS
#endif /* __PINOS_SPA_V4L2_MONITOR_H__ */

207
pinos/modules/spa/spa-v4l2-source.c
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@ -1,207 +0,0 @@
/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#define _GNU_SOURCE
#include <dlfcn.h>
#include <errno.h>
#include <poll.h>
#include <string.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/mman.h>
#include <gio/gio.h>
#include <spa/include/spa/node.h>
#include <spa/include/spa/video/format.h>
#include "spa-v4l2-source.h"
#define PINOS_SPA_V4L2_SOURCE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), PINOS_TYPE_SPA_V4L2_SOURCE, PinosSpaV4l2SourcePrivate))
struct _PinosSpaV4l2SourcePrivate
{
gint dummy;
};
enum {
PROP_0,
};
G_DEFINE_TYPE (PinosSpaV4l2Source, pinos_spa_v4l2_source, PINOS_TYPE_NODE);
static SpaResult
make_node (SpaNode **node, const char *lib, const char *name)
{
SpaHandle *handle;
SpaResult res;
void *hnd, *state = NULL;
SpaEnumHandleFactoryFunc enum_func;
if ((hnd = dlopen (lib, RTLD_NOW)) == NULL) {
g_error ("can't load %s: %s", lib, dlerror());
return SPA_RESULT_ERROR;
}
if ((enum_func = dlsym (hnd, "spa_enum_handle_factory")) == NULL) {
g_error ("can't find enum function");
return SPA_RESULT_ERROR;
}
while (true) {
const SpaHandleFactory *factory;
void *iface;
if ((res = enum_func (&factory, &state)) < 0) {
if (res != SPA_RESULT_ENUM_END)
g_error ("can't enumerate factories: %d", res);
break;
}
if (strcmp (factory->name, name))
continue;
handle = calloc (1, factory->size);
if ((res = spa_handle_factory_init (factory, handle, NULL)) < 0) {
g_error ("can't make factory instance: %d", res);
return res;
}
if ((res = spa_handle_get_interface (handle, SPA_INTERFACE_ID_NODE, &iface)) < 0) {
g_error ("can't get interface %d", res);
return res;
}
*node = iface;
return SPA_RESULT_OK;
}
return SPA_RESULT_ERROR;
}
static void
setup_node (PinosSpaV4l2Source *this)
{
PinosNode *node = PINOS_NODE (this);
SpaResult res;
SpaProps *props;
SpaPropValue value;
if ((res = spa_node_get_props (node->node, &props)) < 0)
g_debug ("got get_props error %d", res);
value.value = "/dev/video1";
value.size = strlen (value.value)+1;
spa_props_set_prop (props, spa_props_index_for_name (props, "device"), &value);
if ((res = spa_node_set_props (node->node, props)) < 0)
g_debug ("got set_props error %d", res);
}
static void
get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
source_constructed (GObject * object)
{
PinosSpaV4l2Source *source = PINOS_SPA_V4L2_SOURCE (object);
G_OBJECT_CLASS (pinos_spa_v4l2_source_parent_class)->constructed (object);
setup_node (source);
}
static void
source_finalize (GObject * object)
{
PinosNode *node = PINOS_NODE (object);
PinosSpaV4l2Source *source = PINOS_SPA_V4L2_SOURCE (object);
g_debug ("spa-source %p: dispose", source);
spa_handle_clear (node->node->handle);
g_free (node->node->handle);
G_OBJECT_CLASS (pinos_spa_v4l2_source_parent_class)->finalize (object);
}
static void
pinos_spa_v4l2_source_class_init (PinosSpaV4l2SourceClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (PinosSpaV4l2SourcePrivate));
gobject_class->constructed = source_constructed;
gobject_class->finalize = source_finalize;
gobject_class->get_property = get_property;
gobject_class->set_property = set_property;
}
static void
pinos_spa_v4l2_source_init (PinosSpaV4l2Source * source)
{
source->priv = PINOS_SPA_V4L2_SOURCE_GET_PRIVATE (source);
}
PinosNode *
pinos_spa_v4l2_source_new (PinosDaemon *daemon,
const gchar *name,
PinosProperties *properties)
{
PinosNode *node;
SpaNode *n;
SpaResult res;
if ((res = make_node (&n,
"spa/build/plugins/v4l2/libspa-v4l2.so",
"v4l2-source")) < 0) {
g_error ("can't create v4l2-source: %d", res);
return NULL;
}
node = g_object_new (PINOS_TYPE_SPA_V4L2_SOURCE,
"daemon", daemon,
"name", name,
"properties", properties,
"node", n,
NULL);
return node;
}

61
pinos/modules/spa/spa-v4l2-source.h
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@ -1,61 +0,0 @@
/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PINOS_SPA_V4L2_SOURCE_H__
#define __PINOS_SPA_V4L2_SOURCE_H__
#include <glib-object.h>
#include <client/pinos.h>
#include <server/node.h>
G_BEGIN_DECLS
#define PINOS_TYPE_SPA_V4L2_SOURCE (pinos_spa_v4l2_source_get_type ())
#define PINOS_IS_SPA_V4L2_SOURCE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PINOS_TYPE_SPA_V4L2_SOURCE))
#define PINOS_IS_SPA_V4L2_SOURCE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PINOS_TYPE_SPA_V4L2_SOURCE))
#define PINOS_SPA_V4L2_SOURCE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PINOS_TYPE_SPA_V4L2_SOURCE, PinosSpaV4l2SourceClass))
#define PINOS_SPA_V4L2_SOURCE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PINOS_TYPE_SPA_V4L2_SOURCE, PinosSpaV4l2Source))
#define PINOS_SPA_V4L2_SOURCE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PINOS_TYPE_SPA_V4L2_SOURCE, PinosSpaV4l2SourceClass))
#define PINOS_SPA_V4L2_SOURCE_CAST(obj) ((PinosSpaV4l2Source*)(obj))
#define PINOS_SPA_V4L2_SOURCE_CLASS_CAST(klass) ((PinosSpaV4l2SourceClass*)(klass))
typedef struct _PinosSpaV4l2Source PinosSpaV4l2Source;
typedef struct _PinosSpaV4l2SourceClass PinosSpaV4l2SourceClass;
typedef struct _PinosSpaV4l2SourcePrivate PinosSpaV4l2SourcePrivate;
struct _PinosSpaV4l2Source {
PinosNode object;
PinosSpaV4l2SourcePrivate *priv;
};
struct _PinosSpaV4l2SourceClass {
PinosNodeClass parent_class;
};
GType pinos_spa_v4l2_source_get_type (void);
PinosNode * pinos_spa_v4l2_source_new (PinosDaemon *daemon,
const gchar *name,
PinosProperties *properties);
G_END_DECLS
#endif /* __PINOS_SPA_V4L2_SOURCE_H__ */