deviceprovider: add device provider

Add device provider
Clean up states
Make generic object id instead of exposing GDBusProxy
Add more introspection API
This commit is contained in:
Wim Taymans 2015-07-08 17:40:37 +02:00
parent cbeee04809
commit 7159ea8408
14 changed files with 811 additions and 41 deletions

View file

@ -145,9 +145,9 @@ test_subscribe_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
###################################
pinosgstsource = gst/gstfdpay.h gst/gstfdpay.c \
gst/gstfddepay.h gst/gstfddepay.c \
gst/gsttmpfileallocator.h gst/gsttmpfileallocator.c \
wire-protocol.h
gst/gstfddepay.h gst/gstfddepay.c \
gst/gsttmpfileallocator.h gst/gsttmpfileallocator.c \
wire-protocol.h
pinosinclude_HEADERS = \
client/pinos.h \
@ -210,6 +210,7 @@ libgstpinos_la_SOURCES = \
gst/gstpinos.c \
gst/gstfdpay.c \
gst/gstfddepay.c \
gst/gstpinosdeviceprovider.c \
gst/gstpinossrc.c \
gst/gstpinossink.c
@ -219,7 +220,7 @@ libgstpinos_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS) $(GLIB_LIBS) $(LIBM) -lgst
libpinos-@PINOS_MAJORMINOR@.la libpinoscore-@PINOS_MAJORMINOR@.la
libgstpinos_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
noinst_HEADERS = gst/gstpinossrc.h gst/gstpinossink.h gst/gstfdpay.h gst/gstfddepay.h
noinst_HEADERS = gst/gstpinossrc.h gst/gstpinossink.h gst/gstfdpay.h gst/gstfddepay.h gst/gstpinosdeviceprovider.h
###################################
# Some minor stuff #

View file

@ -555,6 +555,19 @@ pinos_context_connect (PinosContext *context,
return TRUE;
}
static void
finish_client_disconnect (PinosContext *context)
{
PinosContextPrivate *priv = context->priv;
g_clear_object (&priv->client);
g_clear_object (&priv->daemon);
g_bus_unwatch_name(priv->id);
priv->id = 0;
context_set_state (context, PINOS_CONTEXT_STATE_UNCONNECTED);
}
static void
on_client_disconnected (GObject *source_object,
GAsyncResult *res,
@ -575,12 +588,7 @@ on_client_disconnected (GObject *source_object,
}
g_variant_unref (ret);
g_clear_object (&priv->client);
g_clear_object (&priv->daemon);
g_bus_unwatch_name(priv->id);
priv->id = 0;
context_set_state (context, PINOS_CONTEXT_STATE_UNCONNECTED);
finish_client_disconnect (context);
g_object_unref (context);
}
@ -617,7 +625,11 @@ pinos_context_disconnect (PinosContext *context)
g_return_val_if_fail (PINOS_IS_CONTEXT (context), FALSE);
priv = context->priv;
g_return_val_if_fail (priv->client != NULL, FALSE);
if (priv->client == NULL) {
finish_client_disconnect (context);
return TRUE;
}
g_main_context_invoke (priv->context,
(GSourceFunc) do_disconnect,

View file

@ -67,11 +67,11 @@ typedef enum {
* The state of a #PinosContext
*/
typedef enum {
PINOS_CONTEXT_STATE_ERROR = -1,
PINOS_CONTEXT_STATE_UNCONNECTED = 0,
PINOS_CONTEXT_STATE_CONNECTING = 1,
PINOS_CONTEXT_STATE_REGISTERING = 2,
PINOS_CONTEXT_STATE_READY = 3,
PINOS_CONTEXT_STATE_ERROR = 4
} PinosContextState;
/**

View file

@ -33,7 +33,8 @@
* @cancelable: a #GCancellable
* @user_data: user data passed to @cb
*
* Call @cb for each source.
* Call @cb for each source. @cb will be called with NULL when there
* are no more sources to list.
*/
void
pinos_context_list_source_info (PinosContext *context,
@ -49,9 +50,32 @@ pinos_context_list_source_info (PinosContext *context,
GDBusProxy *proxy = walk->data;
PinosSourceInfo info;
info.id = proxy;
info.name = "gst";
cb (context, &info, user_data);
}
cb (context, NULL, user_data);
}
/**
* pinos_context_get_source_info:
* @context: a connected #PinosContext
* @id: a source id
* @flags: extra #PinosSourceInfoFlags
* @cb: a #PinosSourceInfoCallback
* @cancelable: a #GCancellable
* @user_data: user data passed to @cb
*
* Call @cb for each source. @cb will be called with NULL when there
* are no more sources to list.
*/
void
pinos_context_get_source_info_by_id (PinosContext *context,
gpointer id,
PinosSourceInfoFlags flags,
PinosSourceInfoCallback cb,
GCancellable *cancellable,
gpointer user_data)
{
}

View file

@ -50,6 +50,7 @@ typedef enum {
/**
* PinosSourceInfo:
* @id: generic id of the source
* @name: the name of the source
* @properties: the properties of the source
* @state: the current state of the source
@ -58,6 +59,7 @@ typedef enum {
* The source information
*/
typedef struct {
gpointer id;
const char *name;
GVariant *properties;
PinosSourceState state;
@ -78,11 +80,17 @@ typedef enum {
typedef gboolean (*PinosSourceInfoCallback) (PinosContext *c, const PinosSourceInfo *info, gpointer userdata);
void pinos_context_list_source_info (PinosContext *context,
PinosSourceInfoFlags flags,
PinosSourceInfoCallback cb,
GCancellable *cancellable,
gpointer user_data);
void pinos_context_list_source_info (PinosContext *context,
PinosSourceInfoFlags flags,
PinosSourceInfoCallback cb,
GCancellable *cancellable,
gpointer user_data);
void pinos_context_get_source_info_by_id (PinosContext *context,
gpointer id,
PinosSourceInfoFlags flags,
PinosSourceInfoCallback cb,
GCancellable *cancellable,
gpointer user_data);
G_END_DECLS

View file

@ -41,12 +41,12 @@ typedef struct _PinosStreamClass PinosStreamClass;
typedef struct _PinosStreamPrivate PinosStreamPrivate;
typedef enum {
PINOS_STREAM_STATE_ERROR = -1,
PINOS_STREAM_STATE_UNCONNECTED = 0,
PINOS_STREAM_STATE_CONNECTING = 1,
PINOS_STREAM_STATE_READY = 2,
PINOS_STREAM_STATE_STARTING = 3,
PINOS_STREAM_STATE_STREAMING = 4,
PINOS_STREAM_STATE_ERROR = 5
PINOS_STREAM_STATE_STREAMING = 4
} PinosStreamState;

View file

@ -643,7 +643,7 @@ pinos_subscribe_class_init (PinosSubscribeClass * klass)
3,
PINOS_TYPE_SUBSCRIPTION_EVENT,
PINOS_TYPE_SUBSCRIPTION_FLAGS,
G_TYPE_DBUS_PROXY);
G_TYPE_POINTER);
}
static void

View file

@ -87,16 +87,16 @@ PinosSubscribe * pinos_subscribe_new (void);
PinosSubscriptionState pinos_subscribe_get_state (PinosSubscribe *subscribe);
GError * pinos_subscribe_get_error (PinosSubscribe *subscribe);
void pinos_subscribe_get_proxy (PinosSubscribe *subscribe,
const gchar *name,
const gchar *object_path,
const gchar *interface_name,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDBusProxy * pinos_subscribe_get_proxy_finish (PinosSubscribe *subscribe,
GAsyncResult *res,
GError **error);
void pinos_subscribe_get_proxy (PinosSubscribe *subscribe,
const gchar *name,
const gchar *object_path,
const gchar *interface_name,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDBusProxy * pinos_subscribe_get_proxy_finish (PinosSubscribe *subscribe,
GAsyncResult *res,
GError **error);

View file

@ -34,9 +34,12 @@
#include "gstpinossrc.h"
#include "gstpinossink.h"
#include "gstpinosdeviceprovider.h"
#include "gstfdpay.h"
#include "gstfddepay.h"
GST_DEBUG_CATEGORY (pinos_debug);
static gboolean
plugin_init (GstPlugin * plugin)
{
@ -48,11 +51,18 @@ plugin_init (GstPlugin * plugin)
GST_TYPE_PINOS_SRC);
gst_element_register (plugin, "pinossink", GST_RANK_NONE,
GST_TYPE_PINOS_SINK);
if (!gst_device_provider_register (plugin, "pinosdeviceprovider",
GST_RANK_PRIMARY + 1, GST_TYPE_PINOS_DEVICE_PROVIDER))
return FALSE;
GST_DEBUG_CATEGORY_INIT (pinos_debug, "pinos", 0, "Pinos elements");
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
pinos,
"Uses pinos to handle video streams",
"Uses pinos to handle media streams",
plugin_init, VERSION, "LGPL", "pinos", "pinos.org")

View file

@ -0,0 +1,613 @@
/* GStreamer
* Copyright (C) 2012 Olivier Crete <olivier.crete@collabora.com>
* (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* pinosdeviceprovider.c: pinos device probing and monitoring
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <gst/gst.h>
#include "gstpinosdeviceprovider.h"
#include "gstpinossrc.h"
#include "gstpinossink.h"
GST_DEBUG_CATEGORY_EXTERN (pinos_debug);
#define GST_CAT_DEFAULT pinos_debug
static GstDevice *gst_pinos_device_new (const gchar * device_name,
GstCaps * caps, const gchar * internal_name, GstPinosDeviceType type);
G_DEFINE_TYPE (GstPinosDeviceProvider, gst_pinos_device_provider,
GST_TYPE_DEVICE_PROVIDER);
static void gst_pinos_device_provider_finalize (GObject * object);
static void gst_pinos_device_provider_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_pinos_device_provider_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static GList *gst_pinos_device_provider_probe (GstDeviceProvider * provider);
static gboolean gst_pinos_device_provider_start (GstDeviceProvider * provider);
static void gst_pinos_device_provider_stop (GstDeviceProvider * provider);
enum
{
PROP_0,
PROP_CLIENT_NAME,
PROP_LAST
};
static gchar *
pinos_client_name (void)
{
const char *c;
if ((c = g_get_application_name ()))
return g_strdup (c);
else
return g_strdup_printf ("GStreamer-pid-%lu", (gulong) getpid ());
}
static void
gst_pinos_device_provider_class_init (GstPinosDeviceProviderClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
gchar *client_name;
gobject_class->set_property = gst_pinos_device_provider_set_property;
gobject_class->get_property = gst_pinos_device_provider_get_property;
gobject_class->finalize = gst_pinos_device_provider_finalize;
dm_class->probe = gst_pinos_device_provider_probe;
dm_class->start = gst_pinos_device_provider_start;
dm_class->stop = gst_pinos_device_provider_stop;
client_name = pinos_client_name ();
g_object_class_install_property (gobject_class,
PROP_CLIENT_NAME,
g_param_spec_string ("client-name", "Client Name",
"The Pinos client_name_to_use", client_name,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_free (client_name);
gst_device_provider_class_set_static_metadata (dm_class,
"Pinos Device Provider", "Sink/Source/Audio/Video",
"List and provide Pinos source and sink devices",
"Wim Taymans <wim.taymans@gmail.com>");
}
static void
gst_pinos_device_provider_init (GstPinosDeviceProvider * self)
{
self->client_name = pinos_client_name ();
}
static void
gst_pinos_device_provider_finalize (GObject * object)
{
GstPinosDeviceProvider *self = GST_PINOS_DEVICE_PROVIDER (object);
g_free (self->client_name);
G_OBJECT_CLASS (gst_pinos_device_provider_parent_class)->finalize (object);
}
static void
gst_pinos_device_provider_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstPinosDeviceProvider *self = GST_PINOS_DEVICE_PROVIDER (object);
switch (prop_id) {
case PROP_CLIENT_NAME:
g_free (self->client_name);
if (!g_value_get_string (value)) {
GST_WARNING_OBJECT (self,
"Empty Pinos client name not allowed. "
"Resetting to default value");
self->client_name = pinos_client_name ();
} else
self->client_name = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_pinos_device_provider_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstPinosDeviceProvider *self = GST_PINOS_DEVICE_PROVIDER (object);
switch (prop_id) {
case PROP_CLIENT_NAME:
g_value_set_string (value, self->client_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstDevice *
new_source (const PinosSourceInfo *info)
{
GstCaps *caps;
caps = gst_caps_from_string (g_bytes_get_data (info->formats, NULL));
return gst_pinos_device_new (info->name,
caps, info->name, GST_PINOS_DEVICE_TYPE_SOURCE);
}
typedef struct {
gboolean end;
GList **devices;
} InfoData;
static gboolean
list_source_info_cb (PinosContext *c,
const PinosSourceInfo *info,
gpointer user_data)
{
InfoData *data = user_data;
if (info == NULL) {
data->end = TRUE;
return FALSE;
}
*data->devices = g_list_prepend (*data->devices, gst_object_ref_sink (new_source (info)));
return TRUE;
}
static gboolean
get_source_info_cb (PinosContext *context,
const PinosSourceInfo *info,
gpointer user_data)
{
GstPinosDeviceProvider *self = user_data;
GstDevice *dev;
if (info == NULL) {
pinos_main_loop_signal (self->loop, FALSE);
return FALSE;
}
dev = new_source (info);
if (dev)
gst_device_provider_device_add (GST_DEVICE_PROVIDER (self), dev);
return TRUE;
}
static void
context_subscribe_cb (PinosContext *context,
PinosSubscriptionEvent type,
PinosSubscriptionFlags flags,
gpointer id,
gpointer user_data)
{
GstPinosDeviceProvider *self = user_data;
GstDeviceProvider *provider = user_data;
if (flags != PINOS_SUBSCRIPTION_FLAGS_SOURCE)
return;
if (type == PINOS_SUBSCRIPTION_EVENT_NEW) {
if (flags == PINOS_SUBSCRIPTION_FLAGS_SOURCE)
pinos_context_get_source_info_by_id (context,
id,
PINOS_SOURCE_INFO_FLAGS_FORMATS,
get_source_info_cb,
NULL,
self);
} else if (type == PINOS_SUBSCRIPTION_EVENT_REMOVE) {
GstPinosDevice *dev = NULL;
GList *item;
GST_OBJECT_LOCK (self);
for (item = provider->devices; item; item = item->next) {
dev = item->data;
if (((flags == PINOS_SUBSCRIPTION_FLAGS_SOURCE &&
dev->type == GST_PINOS_DEVICE_TYPE_SOURCE)) &&
dev->id == id) {
gst_object_ref (dev);
break;
}
dev = NULL;
}
GST_OBJECT_UNLOCK (self);
if (dev) {
gst_device_provider_device_remove (GST_DEVICE_PROVIDER (self),
GST_DEVICE (dev));
gst_object_unref (dev);
}
}
}
static GList *
gst_pinos_device_provider_probe (GstDeviceProvider * provider)
{
GstPinosDeviceProvider *self = GST_PINOS_DEVICE_PROVIDER (provider);
GMainContext *m = NULL;
PinosContext *c = NULL;
InfoData data;
if (!(m = g_main_context_new ()))
return NULL;
if (!(c = pinos_context_new (m, self->client_name, NULL)))
goto failed;
g_main_context_push_thread_default (m);
pinos_context_connect (c, PINOS_CONTEXT_FLAGS_NONE);
for (;;) {
PinosContextState state;
state = pinos_context_get_state (c);
if (state <= 0) {
GST_ERROR_OBJECT (self, "Failed to connect: %s",
pinos_context_get_error (c)->message);
goto failed;
}
if (state == PINOS_CONTEXT_STATE_READY)
break;
/* Wait until something happens */
g_main_context_iteration (m, TRUE);
}
GST_DEBUG_OBJECT (self, "connected");
data.end = FALSE;
data.devices = NULL;
pinos_context_list_source_info (c,
PINOS_SOURCE_INFO_FLAGS_FORMATS,
list_source_info_cb,
NULL,
&data);
for (;;) {
if (pinos_context_get_state (c) <= 0)
break;
if (data.end)
break;
g_main_context_iteration (m, TRUE);
}
pinos_context_disconnect (c);
g_clear_object (&c);
g_main_context_pop_thread_default (m);
g_clear_object (&m);
return *data.devices;
failed:
return NULL;
}
static void
context_state_notify (GObject *gobject,
GParamSpec *pspec,
gpointer user_data)
{
GstPinosDeviceProvider *self = user_data;
PinosContext *context = PINOS_CONTEXT (gobject);
PinosContextState state;
state= pinos_context_get_state (context);
GST_DEBUG ("got context state %d", state);
switch (state) {
case PINOS_CONTEXT_STATE_CONNECTING:
case PINOS_CONTEXT_STATE_REGISTERING:
break;
case PINOS_CONTEXT_STATE_UNCONNECTED:
case PINOS_CONTEXT_STATE_READY:
case PINOS_CONTEXT_STATE_ERROR:
GST_ERROR_OBJECT (self, "context error: %s",
pinos_context_get_error (context)->message);
break;
}
pinos_main_loop_signal (self->loop, FALSE);
}
static gboolean
gst_pinos_device_provider_start (GstDeviceProvider * provider)
{
GstPinosDeviceProvider *self = GST_PINOS_DEVICE_PROVIDER (provider);
GError *error = NULL;
GMainContext *c;
c = g_main_context_new ();
if (!(self->loop = pinos_main_loop_new (c, "pinos-device-monitor"))) {
GST_ERROR_OBJECT (self, "Could not create pinos mainloop");
goto mainloop_failed;
}
if (!pinos_main_loop_start (self->loop, &error)) {
GST_ERROR_OBJECT (self, "Could not start pinos mainloop: %s", error->message);
g_clear_object (&self->loop);
goto mainloop_failed;
}
pinos_main_loop_lock (self->loop);
if (!(self->context = pinos_context_new (c, self->client_name, NULL))) {
GST_ERROR_OBJECT (self, "Failed to create context");
goto unlock_and_fail;
}
g_signal_connect (self->context,
"notify::state",
(GCallback) context_state_notify,
self);
g_object_set (self->context,
"subscription-mask", PINOS_SUBSCRIPTION_FLAGS_ALL,
NULL);
g_signal_connect (self->context,
"subscription-event",
(GCallback) context_subscribe_cb,
self);
pinos_context_connect (self->context, PINOS_CONTEXT_FLAGS_NONE);
for (;;) {
PinosContextState state;
state = pinos_context_get_state (self->context);
if (state <= 0) {
GST_ERROR_OBJECT (self, "Failed to connect: %s",
pinos_context_get_error (self->context)->message);
goto unlock_and_fail;
}
if (state == PINOS_CONTEXT_STATE_READY)
break;
/* Wait until the context is ready */
pinos_main_loop_wait (self->loop);
}
GST_DEBUG_OBJECT (self, "connected");
pinos_context_list_source_info (self->context,
PINOS_SOURCE_INFO_FLAGS_FORMATS,
get_source_info_cb,
NULL,
self);
for (;;) {
if (pinos_context_get_state (self->context) <= 0)
goto unlock_and_fail;
pinos_main_loop_wait (self->loop);
}
pinos_main_loop_unlock (self->loop);
return TRUE;
mainloop_failed:
{
return FALSE;
}
unlock_and_fail:
{
pinos_main_loop_unlock (self->loop);
gst_pinos_device_provider_stop (provider);
return FALSE;
}
}
static void
gst_pinos_device_provider_stop (GstDeviceProvider * provider)
{
GstPinosDeviceProvider *self = GST_PINOS_DEVICE_PROVIDER (provider);
if (self->context) {
pinos_context_disconnect (self->context);
}
pinos_main_loop_stop (self->loop);
g_clear_object (&self->context);
g_clear_object (&self->loop);
}
enum
{
PROP_INTERNAL_NAME = 1,
};
G_DEFINE_TYPE (GstPinosDevice, gst_pinos_device, GST_TYPE_DEVICE);
static void gst_pinos_device_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_pinos_device_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_pinos_device_finalize (GObject * object);
static GstElement *gst_pinos_device_create_element (GstDevice * device,
const gchar * name);
static gboolean gst_pinos_device_reconfigure_element (GstDevice * device,
GstElement * element);
static void
gst_pinos_device_class_init (GstPinosDeviceClass * klass)
{
GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
dev_class->create_element = gst_pinos_device_create_element;
dev_class->reconfigure_element = gst_pinos_device_reconfigure_element;
object_class->get_property = gst_pinos_device_get_property;
object_class->set_property = gst_pinos_device_set_property;
object_class->finalize = gst_pinos_device_finalize;
g_object_class_install_property (object_class, PROP_INTERNAL_NAME,
g_param_spec_string ("internal-name", "Internal Pinos device name",
"The internal name of the Pinos device", "",
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}
static void
gst_pinos_device_init (GstPinosDevice * device)
{
}
static void
gst_pinos_device_finalize (GObject * object)
{
GstPinosDevice *device = GST_PINOS_DEVICE (object);
g_free (device->internal_name);
G_OBJECT_CLASS (gst_pinos_device_parent_class)->finalize (object);
}
static GstElement *
gst_pinos_device_create_element (GstDevice * device, const gchar * name)
{
GstPinosDevice *pinos_dev = GST_PINOS_DEVICE (device);
GstElement *elem;
elem = gst_element_factory_make (pinos_dev->element, name);
g_object_set (elem, "source", pinos_dev->internal_name, NULL);
return elem;
}
static gboolean
gst_pinos_device_reconfigure_element (GstDevice * device, GstElement * element)
{
GstPinosDevice *pinos_dev = GST_PINOS_DEVICE (device);
if (!strcmp (pinos_dev->element, "pinossrc")) {
if (!GST_IS_PINOS_SRC (element))
return FALSE;
} else if (!strcmp (pinos_dev->element, "pinossink")) {
if (!GST_IS_PINOS_SINK (element))
return FALSE;
} else {
g_assert_not_reached ();
}
g_object_set (element, "source", pinos_dev->internal_name, NULL);
return TRUE;
}
static GstDevice *
gst_pinos_device_new (const gchar * device_name,
GstCaps * caps, const gchar * internal_name, GstPinosDeviceType type)
{
GstPinosDevice *gstdev;
const gchar *element = NULL;
const gchar *klass = NULL;
g_return_val_if_fail (device_name, NULL);
g_return_val_if_fail (internal_name, NULL);
g_return_val_if_fail (caps, NULL);
switch (type) {
case GST_PINOS_DEVICE_TYPE_SOURCE:
element = "pinossrc";
klass = "Audio/Source";
break;
case GST_PINOS_DEVICE_TYPE_SINK:
element = "pinossink";
klass = "Audio/Sink";
break;
default:
g_assert_not_reached ();
break;
}
gstdev = g_object_new (GST_TYPE_PINOS_DEVICE,
"display-name", device_name, "caps", caps, "device-class", klass,
"internal-name", internal_name, NULL);
gstdev->type = type;
gstdev->element = element;
return GST_DEVICE (gstdev);
}
static void
gst_pinos_device_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstPinosDevice *device;
device = GST_PINOS_DEVICE_CAST (object);
switch (prop_id) {
case PROP_INTERNAL_NAME:
g_value_set_string (value, device->internal_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_pinos_device_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstPinosDevice *device;
device = GST_PINOS_DEVICE_CAST (object);
switch (prop_id) {
case PROP_INTERNAL_NAME:
device->internal_name = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}

View file

@ -0,0 +1,99 @@
/* GStreamer
* Copyright (C) 2012 Olivier Crete <olivier.crete@collabora.com>
* (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* pinosdeviceprovider.h: Device probing and monitoring
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_PINOS_DEVICE_PROVIDER_H__
#define __GST_PINOS_DEVICE_PROVIDER_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <client/pinos.h>
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct _GstPinosDeviceProvider GstPinosDeviceProvider;
typedef struct _GstPinosDeviceProviderClass GstPinosDeviceProviderClass;
#define GST_TYPE_PINOS_DEVICE_PROVIDER (gst_pinos_device_provider_get_type())
#define GST_IS_PINOS_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PINOS_DEVICE_PROVIDER))
#define GST_IS_PINOS_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PINOS_DEVICE_PROVIDER))
#define GST_PINOS_DEVICE_PROVIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PINOS_DEVICE_PROVIDER, GstPinosDeviceProviderClass))
#define GST_PINOS_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PINOS_DEVICE_PROVIDER, GstPinosDeviceProvider))
#define GST_PINOS_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_PROVIDER, GstPinosDeviceProviderClass))
#define GST_PINOS_DEVICE_PROVIDER_CAST(obj) ((GstPinosDeviceProvider *)(obj))
struct _GstPinosDeviceProvider {
GstDeviceProvider parent;
gchar *client_name;
GMainContext *maincontext;
PinosMainLoop *loop;
PinosContext *context;
};
typedef enum {
GST_PINOS_DEVICE_TYPE_SOURCE,
GST_PINOS_DEVICE_TYPE_SINK,
} GstPinosDeviceType;
struct _GstPinosDeviceProviderClass {
GstDeviceProviderClass parent_class;
};
GType gst_pinos_device_provider_get_type (void);
typedef struct _GstPinosDevice GstPinosDevice;
typedef struct _GstPinosDeviceClass GstPinosDeviceClass;
#define GST_TYPE_PINOS_DEVICE (gst_pinos_device_get_type())
#define GST_IS_PINOS_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PINOS_DEVICE))
#define GST_IS_PINOS_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PINOS_DEVICE))
#define GST_PINOS_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PINOS_DEVICE, GstPinosDeviceClass))
#define GST_PINOS_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PINOS_DEVICE, GstPinosDevice))
#define GST_PINOS_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstPinosDeviceClass))
#define GST_PINOS_DEVICE_CAST(obj) ((GstPinosDevice *)(obj))
struct _GstPinosDevice {
GstDevice parent;
GstPinosDeviceType type;
gpointer id;
gchar *internal_name;
const gchar *element;
};
struct _GstPinosDeviceClass {
GstDeviceClass parent_class;
};
GType gst_pinos_device_get_type (void);
G_END_DECLS
#endif /* __GST_PINOS_DEVICE_PROVIDER_H__ */

View file

@ -519,7 +519,7 @@ gst_pinos_src_open (GstPinosSrc * pinossrc)
pinossrc->ctx = pinos_context_new (pinossrc->context, "test-client", NULL);
g_signal_connect (pinossrc->ctx, "notify::state", (GCallback) on_context_notify, pinossrc);
pinos_context_connect(pinossrc->ctx, PINOS_CONTEXT_FLAGS_NONE);
pinos_context_connect (pinossrc->ctx, PINOS_CONTEXT_FLAGS_NONE);
while (TRUE) {
PinosContextState state = pinos_context_get_state (pinossrc->ctx);

View file

@ -80,7 +80,6 @@ bus_handler (GstBus *bus,
gpointer user_data)
{
PinosGstManager *manager = user_data;
PinosGstManagerPrivate *priv = manager->priv;
GstDevice *device;
switch (GST_MESSAGE_TYPE (message)) {

View file

@ -30,22 +30,26 @@ dump_object (GDBusProxy *proxy)
}
static void
subscription_cb (PinosContext *context, PinosSubscriptionEvent type, PinosSubscriptionFlags flags,
GDBusProxy *object, gpointer user_data)
subscription_cb (PinosContext *context,
PinosSubscriptionEvent type,
PinosSubscriptionFlags flags,
gpointer id,
gpointer user_data)
{
switch (type) {
case PINOS_SUBSCRIPTION_EVENT_NEW:
g_print ("object added %s\n", g_dbus_proxy_get_object_path (object));
dump_object (object);
g_print ("object added %s\n", g_dbus_proxy_get_object_path (id));
dump_object (G_DBUS_PROXY (id));
break;
case PINOS_SUBSCRIPTION_EVENT_CHANGE:
g_print ("object changed %s\n", g_dbus_proxy_get_object_path (object));
dump_object (object);
g_print ("object changed %s\n", g_dbus_proxy_get_object_path (id));
dump_object (G_DBUS_PROXY (id));
break;
case PINOS_SUBSCRIPTION_EVENT_REMOVE:
g_print ("object removed %s\n", g_dbus_proxy_get_object_path (object));
g_print ("object removed %s\n", g_dbus_proxy_get_object_path (id));
dump_object (G_DBUS_PROXY (id));
break;
}
}