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/* GStreamer
* Copyright (C) 2018 Nirbheek Chauhan <nirbheek@centricular.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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstwasapidevice.h"
G_DEFINE_TYPE (GstWasapiDeviceProvider, gst_wasapi_device_provider,
GST_TYPE_DEVICE_PROVIDER);
static void gst_wasapi_device_provider_finalize (GObject * object);
static GList *gst_wasapi_device_provider_probe (GstDeviceProvider * provider);
static void
gst_wasapi_device_provider_class_init (GstWasapiDeviceProviderClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
gobject_class->finalize = gst_wasapi_device_provider_finalize;
dm_class->probe = gst_wasapi_device_provider_probe;
gst_device_provider_class_set_static_metadata (dm_class,
"WASAPI (Windows Audio Session API) Device Provider",
"Source/Sink/Audio", "List WASAPI source and sink devices",
"Nirbheek Chauhan <nirbheek@centricular.com>");
}
static void
gst_wasapi_device_provider_init (GstWasapiDeviceProvider * provider)
{
CoInitializeEx (NULL, COINIT_MULTITHREADED);
}
static void
gst_wasapi_device_provider_finalize (GObject * object)
{
CoUninitialize ();
}
static GList *
gst_wasapi_device_provider_probe (GstDeviceProvider * provider)
{
GstWasapiDeviceProvider *self = GST_WASAPI_DEVICE_PROVIDER (provider);
GList *devices = NULL;
if (!gst_wasapi_util_get_devices (GST_OBJECT (self), TRUE, &devices))
GST_ERROR_OBJECT (self, "Failed to enumerate devices");
return devices;
}
/* GstWasapiDevice begins */
enum
{
PROP_DEVICE_STRID = 1,
};
G_DEFINE_TYPE (GstWasapiDevice, gst_wasapi_device, GST_TYPE_DEVICE);
static void gst_wasapi_device_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_wasapi_device_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_wasapi_device_finalize (GObject * object);
static GstElement *gst_wasapi_device_create_element (GstDevice * device,
const gchar * name);
static void
gst_wasapi_device_class_init (GstWasapiDeviceClass * klass)
{
GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
dev_class->create_element = gst_wasapi_device_create_element;
object_class->get_property = gst_wasapi_device_get_property;
object_class->set_property = gst_wasapi_device_set_property;
object_class->finalize = gst_wasapi_device_finalize;
g_object_class_install_property (object_class, PROP_DEVICE_STRID,
g_param_spec_string ("device", "Device string ID",
"Device strId", NULL,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}
static void
gst_wasapi_device_init (GstWasapiDevice * device)
{
}
static void
gst_wasapi_device_finalize (GObject * object)
{
GstWasapiDevice *device = GST_WASAPI_DEVICE (object);
g_free (device->strid);
G_OBJECT_CLASS (gst_wasapi_device_parent_class)->finalize (object);
}
static GstElement *
gst_wasapi_device_create_element (GstDevice * device, const gchar * name)
{
GstWasapiDevice *wasapi_dev = GST_WASAPI_DEVICE (device);
GstElement *elem;
elem = gst_element_factory_make (wasapi_dev->element, name);
g_object_set (elem, "device", wasapi_dev->strid, NULL);
return elem;
}
static void
gst_wasapi_device_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstWasapiDevice *device = GST_WASAPI_DEVICE_CAST (object);
switch (prop_id) {
case PROP_DEVICE_STRID:
g_value_set_string (value, device->strid);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_wasapi_device_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstWasapiDevice *device = GST_WASAPI_DEVICE_CAST (object);
switch (prop_id) {
case PROP_DEVICE_STRID:
device->strid = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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