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The GstDeviceProvider isn't subclass of GstElement. (gst-device-monitor-1.0:49356): GLib-GObject-WARNING **: 20:21:18.651: invalid cast from 'GstWasapiDeviceProvider' to 'GstElement'
165 lines
4.8 KiB
C
165 lines
4.8 KiB
C
/* GStreamer
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* Copyright (C) 2018 Nirbheek Chauhan <nirbheek@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstwasapidevice.h"
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G_DEFINE_TYPE (GstWasapiDeviceProvider, gst_wasapi_device_provider,
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GST_TYPE_DEVICE_PROVIDER);
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static void gst_wasapi_device_provider_finalize (GObject * object);
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static GList *gst_wasapi_device_provider_probe (GstDeviceProvider * provider);
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static void
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gst_wasapi_device_provider_class_init (GstWasapiDeviceProviderClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
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gobject_class->finalize = gst_wasapi_device_provider_finalize;
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dm_class->probe = gst_wasapi_device_provider_probe;
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gst_device_provider_class_set_static_metadata (dm_class,
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"WASAPI (Windows Audio Session API) Device Provider",
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"Source/Sink/Audio", "List WASAPI source and sink devices",
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"Nirbheek Chauhan <nirbheek@centricular.com>");
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}
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static void
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gst_wasapi_device_provider_init (GstWasapiDeviceProvider * provider)
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{
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CoInitializeEx (NULL, COINIT_MULTITHREADED);
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}
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static void
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gst_wasapi_device_provider_finalize (GObject * object)
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{
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CoUninitialize ();
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}
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static GList *
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gst_wasapi_device_provider_probe (GstDeviceProvider * provider)
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{
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GstWasapiDeviceProvider *self = GST_WASAPI_DEVICE_PROVIDER (provider);
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GList *devices = NULL;
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if (!gst_wasapi_util_get_devices (GST_OBJECT (self), TRUE, &devices))
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GST_ERROR_OBJECT (self, "Failed to enumerate devices");
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return devices;
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}
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/* GstWasapiDevice begins */
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enum
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{
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PROP_DEVICE_STRID = 1,
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};
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G_DEFINE_TYPE (GstWasapiDevice, gst_wasapi_device, GST_TYPE_DEVICE);
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static void gst_wasapi_device_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_wasapi_device_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_wasapi_device_finalize (GObject * object);
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static GstElement *gst_wasapi_device_create_element (GstDevice * device,
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const gchar * name);
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static void
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gst_wasapi_device_class_init (GstWasapiDeviceClass * klass)
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{
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GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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dev_class->create_element = gst_wasapi_device_create_element;
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object_class->get_property = gst_wasapi_device_get_property;
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object_class->set_property = gst_wasapi_device_set_property;
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object_class->finalize = gst_wasapi_device_finalize;
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g_object_class_install_property (object_class, PROP_DEVICE_STRID,
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g_param_spec_string ("device", "Device string ID",
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"Device strId", NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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gst_wasapi_device_init (GstWasapiDevice * device)
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{
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}
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static void
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gst_wasapi_device_finalize (GObject * object)
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{
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GstWasapiDevice *device = GST_WASAPI_DEVICE (object);
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g_free (device->strid);
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G_OBJECT_CLASS (gst_wasapi_device_parent_class)->finalize (object);
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}
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static GstElement *
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gst_wasapi_device_create_element (GstDevice * device, const gchar * name)
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{
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GstWasapiDevice *wasapi_dev = GST_WASAPI_DEVICE (device);
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GstElement *elem;
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elem = gst_element_factory_make (wasapi_dev->element, name);
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g_object_set (elem, "device", wasapi_dev->strid, NULL);
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return elem;
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}
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static void
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gst_wasapi_device_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstWasapiDevice *device = GST_WASAPI_DEVICE_CAST (object);
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switch (prop_id) {
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case PROP_DEVICE_STRID:
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g_value_set_string (value, device->strid);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_wasapi_device_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstWasapiDevice *device = GST_WASAPI_DEVICE_CAST (object);
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switch (prop_id) {
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case PROP_DEVICE_STRID:
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device->strid = g_value_dup_string (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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