2 * Copyright (C) 2018 Nirbheek Chauhan <nirbheek@centricular.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
24 #include "gstwasapidevice.h"
26 G_DEFINE_TYPE (GstWasapiDeviceProvider, gst_wasapi_device_provider,
27 GST_TYPE_DEVICE_PROVIDER);
29 static void gst_wasapi_device_provider_finalize (GObject * object);
30 static GList *gst_wasapi_device_provider_probe (GstDeviceProvider * provider);
33 gst_wasapi_device_provider_class_init (GstWasapiDeviceProviderClass * klass)
35 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
36 GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
38 gobject_class->finalize = gst_wasapi_device_provider_finalize;
40 dm_class->probe = gst_wasapi_device_provider_probe;
42 gst_device_provider_class_set_static_metadata (dm_class,
43 "WASAPI (Windows Audio Session API) Device Provider",
44 "Source/Sink/Audio", "List WASAPI source and sink devices",
45 "Nirbheek Chauhan <nirbheek@centricular.com>");
49 gst_wasapi_device_provider_init (GstWasapiDeviceProvider * provider)
51 CoInitializeEx (NULL, COINIT_MULTITHREADED);
55 gst_wasapi_device_provider_finalize (GObject * object)
61 gst_wasapi_device_provider_probe (GstDeviceProvider * provider)
63 GstWasapiDeviceProvider *self = GST_WASAPI_DEVICE_PROVIDER (provider);
64 GList *devices = NULL;
66 if (!gst_wasapi_util_get_devices (GST_OBJECT (self), TRUE, &devices))
67 GST_ERROR_OBJECT (self, "Failed to enumerate devices");
72 /* GstWasapiDevice begins */
76 PROP_DEVICE_STRID = 1,
79 G_DEFINE_TYPE (GstWasapiDevice, gst_wasapi_device, GST_TYPE_DEVICE);
81 static void gst_wasapi_device_get_property (GObject * object,
82 guint prop_id, GValue * value, GParamSpec * pspec);
83 static void gst_wasapi_device_set_property (GObject * object,
84 guint prop_id, const GValue * value, GParamSpec * pspec);
85 static void gst_wasapi_device_finalize (GObject * object);
86 static GstElement *gst_wasapi_device_create_element (GstDevice * device,
90 gst_wasapi_device_class_init (GstWasapiDeviceClass * klass)
92 GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
93 GObjectClass *object_class = G_OBJECT_CLASS (klass);
95 dev_class->create_element = gst_wasapi_device_create_element;
97 object_class->get_property = gst_wasapi_device_get_property;
98 object_class->set_property = gst_wasapi_device_set_property;
99 object_class->finalize = gst_wasapi_device_finalize;
101 g_object_class_install_property (object_class, PROP_DEVICE_STRID,
102 g_param_spec_string ("device", "Device string ID",
103 "Device strId", NULL,
104 G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
108 gst_wasapi_device_init (GstWasapiDevice * device)
113 gst_wasapi_device_finalize (GObject * object)
115 GstWasapiDevice *device = GST_WASAPI_DEVICE (object);
117 g_free (device->strid);
119 G_OBJECT_CLASS (gst_wasapi_device_parent_class)->finalize (object);
123 gst_wasapi_device_create_element (GstDevice * device, const gchar * name)
125 GstWasapiDevice *wasapi_dev = GST_WASAPI_DEVICE (device);
128 elem = gst_element_factory_make (wasapi_dev->element, name);
130 g_object_set (elem, "device", wasapi_dev->strid, NULL);
136 gst_wasapi_device_get_property (GObject * object, guint prop_id,
137 GValue * value, GParamSpec * pspec)
139 GstWasapiDevice *device = GST_WASAPI_DEVICE_CAST (object);
142 case PROP_DEVICE_STRID:
143 g_value_set_string (value, device->strid);
146 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
152 gst_wasapi_device_set_property (GObject * object, guint prop_id,
153 const GValue * value, GParamSpec * pspec)
155 GstWasapiDevice *device = GST_WASAPI_DEVICE_CAST (object);
158 case PROP_DEVICE_STRID:
159 device->strid = g_value_dup_string (value);
162 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);