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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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267 lines
7.7 KiB
C
267 lines
7.7 KiB
C
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/* GStreamer
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* Copyright (C) 2018 Sebastian Dröge <sebastian@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 "gstdirectsounddevice.h"
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#include <windows.h>
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#include <dsound.h>
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#include <mmsystem.h>
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#include <stdio.h>
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#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
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#include "gstdirectsoundsrc.h"
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#else
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#include "gstdirectsoundsink.h"
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#endif
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G_DEFINE_TYPE (GstDirectSoundDeviceProvider, gst_directsound_device_provider,
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GST_TYPE_DEVICE_PROVIDER);
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static GList *gst_directsound_device_provider_probe (GstDeviceProvider *
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provider);
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static void
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gst_directsound_device_provider_class_init (GstDirectSoundDeviceProviderClass *
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klass)
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{
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GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
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gst_device_provider_class_set_static_metadata (dm_class,
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#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
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"DirectSound Source Device Provider", "Source/Audio",
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"List DirectSound source devices",
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#else
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"DirectSound Sink Device Provider", "Sink/Audio",
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"List DirectSound sink devices",
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#endif
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"Sebastian Dröge <sebastian@centricular.com>");
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dm_class->probe = gst_directsound_device_provider_probe;
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}
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static void
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gst_directsound_device_provider_init (GstDirectSoundDeviceProvider * provider)
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{
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}
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static gchar *
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guid_to_string (LPGUID guid)
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{
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gunichar2 *wstr = NULL;
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gchar *str = NULL;
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if (StringFromCLSID (guid, &wstr) == S_OK) {
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str = g_utf16_to_utf8 (wstr, -1, NULL, NULL, NULL);
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CoTaskMemFree (wstr);
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}
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return str;
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}
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typedef struct
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{
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GstDirectSoundDeviceProvider *self;
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GList **devices;
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} ProbeData;
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static BOOL CALLBACK
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gst_directsound_enum_callback (GUID * pGUID, TCHAR * strDesc,
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TCHAR * strDrvName, VOID * pContext)
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{
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ProbeData *probe_data = (ProbeData *) (pContext);
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gchar *driver, *description, *guid_str;
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GstStructure *props;
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GstDevice *device;
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#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
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static GstStaticCaps caps = GST_STATIC_CAPS (GST_DIRECTSOUND_SRC_CAPS);
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#else
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static GstStaticCaps caps = GST_STATIC_CAPS (GST_DIRECTSOUND_SINK_CAPS);
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#endif
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description = g_locale_to_utf8 (strDesc, -1, NULL, NULL, NULL);
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if (!description) {
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GST_ERROR_OBJECT (probe_data->self,
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"Failed to convert description from locale encoding to UTF8");
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return TRUE;
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}
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driver = g_locale_to_utf8 (strDrvName, -1, NULL, NULL, NULL);
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if (!driver) {
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GST_ERROR_OBJECT (probe_data->self,
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"Failed to convert driver name from locale encoding to UTF8");
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return TRUE;
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}
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/* NULL for the primary sound card */
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guid_str = pGUID ? guid_to_string (pGUID) : NULL;
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GST_INFO_OBJECT (probe_data->self, "sound device name: %s, %s (GUID %s)",
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description, driver, GST_STR_NULL (guid_str));
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props = gst_structure_new ("directsound-proplist",
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"device.api", G_TYPE_STRING, "directsound",
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"device.guid", G_TYPE_STRING, GST_STR_NULL (guid_str),
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"directsound.device.driver", G_TYPE_STRING, driver,
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"directsound.device.description", G_TYPE_STRING, description, NULL);
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#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
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device = g_object_new (GST_TYPE_DIRECTSOUND_DEVICE, "device-guid", guid_str,
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"display-name", description, "caps", gst_static_caps_get (&caps),
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"device-class", "Audio/Source", "properties", props, NULL);
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#else
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device = g_object_new (GST_TYPE_DIRECTSOUND_DEVICE, "device-guid", guid_str,
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"display-name", description, "caps", gst_static_caps_get (&caps),
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"device-class", "Audio/Sink", "properties", props, NULL);
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#endif
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*probe_data->devices = g_list_prepend (*probe_data->devices, device);
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g_free (description);
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g_free (driver);
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g_free (guid_str);
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gst_structure_free (props);
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return TRUE;
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}
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static GList *
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gst_directsound_device_provider_probe (GstDeviceProvider * provider)
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{
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GstDirectSoundDeviceProvider *self =
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GST_DIRECTSOUND_DEVICE_PROVIDER (provider);
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GList *devices = NULL;
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ProbeData probe_data = { self, &devices };
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HRESULT hRes;
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#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
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hRes = DirectSoundCaptureEnumerate ((LPDSENUMCALLBACK)
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gst_directsound_enum_callback, (VOID *) & probe_data);
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#else
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hRes = DirectSoundEnumerate ((LPDSENUMCALLBACK)
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gst_directsound_enum_callback, (VOID *) & probe_data);
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#endif
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if (FAILED (hRes))
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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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enum
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{
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PROP_DEVICE_GUID = 1,
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};
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G_DEFINE_TYPE (GstDirectSoundDevice, gst_directsound_device, GST_TYPE_DEVICE);
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static void gst_directsound_device_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_directsound_device_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_directsound_device_finalize (GObject * object);
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static GstElement *gst_directsound_device_create_element (GstDevice * device,
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const gchar * name);
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static void
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gst_directsound_device_class_init (GstDirectSoundDeviceClass * 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_directsound_device_create_element;
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object_class->get_property = gst_directsound_device_get_property;
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object_class->set_property = gst_directsound_device_set_property;
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object_class->finalize = gst_directsound_device_finalize;
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g_object_class_install_property (object_class, PROP_DEVICE_GUID,
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g_param_spec_string ("device-guid", "Device GUID",
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"Device GUID", 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_directsound_device_init (GstDirectSoundDevice * device)
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{
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}
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static void
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gst_directsound_device_finalize (GObject * object)
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{
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GstDirectSoundDevice *device = GST_DIRECTSOUND_DEVICE (object);
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g_free (device->guid);
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G_OBJECT_CLASS (gst_directsound_device_parent_class)->finalize (object);
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}
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static GstElement *
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gst_directsound_device_create_element (GstDevice * device, const gchar * name)
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{
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GstDirectSoundDevice *directsound_dev = GST_DIRECTSOUND_DEVICE (device);
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GstElement *elem;
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#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
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elem = gst_element_factory_make ("directsoundsrc", name);
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#else
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elem = gst_element_factory_make ("directsoundsink", name);
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#endif
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g_object_set (elem, "device", directsound_dev->guid, NULL);
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return elem;
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}
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static void
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gst_directsound_device_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstDirectSoundDevice *device = GST_DIRECTSOUND_DEVICE_CAST (object);
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switch (prop_id) {
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case PROP_DEVICE_GUID:
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g_value_set_string (value, device->guid);
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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_directsound_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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GstDirectSoundDevice *device = GST_DIRECTSOUND_DEVICE_CAST (object);
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switch (prop_id) {
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case PROP_DEVICE_GUID:
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device->guid = 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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