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directsoundsrc: Add support for a DeviceProvider

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=792782
This commit is contained in:
Sebastian Dröge 2018-01-22 14:06:31 +02:00
parent c8c32a7200
commit b174a91a1a
6 changed files with 362 additions and 9 deletions
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11
sys/directsound/Makefile.am
View file

@ -1,11 +1,16 @@
plugin_LTLIBRARIES = libgstdirectsoundsrc.la
libgstdirectsoundsrc_la_SOURCES = gstdirectsoundsrc.c gstdirectsoundplugin.c
libgstdirectsoundsrc_la_SOURCES = gstdirectsoundsrc.c gstdirectsounddevice.c gstdirectsoundplugin.c
libgstdirectsoundsrc_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) $(DIRECTX_CFLAGS)
$(GST_PLUGINS_BASE_CFLAGS) $(DIRECTX_CFLAGS) \
-DGstDirectSoundDeviceProvider=GstDirectSoundSrcDeviceProvider \
-DGstDirectSoundDeviceProviderClass=GstDirectSoundSrcDeviceProviderClass \
-DGstDirectSoundDevice=GstDirectSoundSrcDevice \
-DGstDirectSoundDeviceClass=GstDirectSoundSrcDeviceClass \
-DGST_DIRECTSOUND_SRC_DEVICE_PROVIDER=1
libgstdirectsoundsrc_la_LIBADD = \
$(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) \
$(DIRECTX_LDFLAGS) $(DIRECTSOUND_LIBS) -lole32
libgstdirectsoundsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS= gstdirectsoundsrc.h
noinst_HEADERS= gstdirectsoundsrc.h gstdirectsounddevice.h

266
sys/directsound/gstdirectsounddevice.c Normal file
View file

@ -0,0 +1,266 @@
/* GStreamer
* Copyright (C) 2018 Sebastian Dröge <sebastian@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 "gstdirectsounddevice.h"
#include <windows.h>
#include <dsound.h>
#include <mmsystem.h>
#include <stdio.h>
#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
#include "gstdirectsoundsrc.h"
#else
#include "gstdirectsoundsink.h"
#endif
G_DEFINE_TYPE (GstDirectSoundDeviceProvider, gst_directsound_device_provider,
GST_TYPE_DEVICE_PROVIDER);
static GList *gst_directsound_device_provider_probe (GstDeviceProvider *
provider);
static void
gst_directsound_device_provider_class_init (GstDirectSoundDeviceProviderClass *
klass)
{
GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
gst_device_provider_class_set_static_metadata (dm_class,
#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
"DirectSound Source Device Provider", "Source/Audio",
"List DirectSound source devices",
#else
"DirectSound Sink Device Provider", "Sink/Audio",
"List DirectSound sink devices",
#endif
"Sebastian Dröge <sebastian@centricular.com>");
dm_class->probe = gst_directsound_device_provider_probe;
}
static void
gst_directsound_device_provider_init (GstDirectSoundDeviceProvider * provider)
{
}
static gchar *
guid_to_string (LPGUID guid)
{
gunichar2 *wstr = NULL;
gchar *str = NULL;
if (StringFromCLSID (guid, &wstr) == S_OK) {
str = g_utf16_to_utf8 (wstr, -1, NULL, NULL, NULL);
CoTaskMemFree (wstr);
}
return str;
}
typedef struct
{
GstDirectSoundDeviceProvider *self;
GList **devices;
} ProbeData;
static BOOL CALLBACK
gst_directsound_enum_callback (GUID * pGUID, TCHAR * strDesc,
TCHAR * strDrvName, VOID * pContext)
{
ProbeData *probe_data = (ProbeData *) (pContext);
gchar *driver, *description, *guid_str;
GstStructure *props;
GstDevice *device;
#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
static GstStaticCaps caps = GST_STATIC_CAPS (GST_DIRECTSOUND_SRC_CAPS);
#else
static GstStaticCaps caps = GST_STATIC_CAPS (GST_DIRECTSOUND_SINK_CAPS);
#endif
description = g_locale_to_utf8 (strDesc, -1, NULL, NULL, NULL);
if (!description) {
GST_ERROR_OBJECT (probe_data->self,
"Failed to convert description from locale encoding to UTF8");
return TRUE;
}
driver = g_locale_to_utf8 (strDrvName, -1, NULL, NULL, NULL);
if (!driver) {
GST_ERROR_OBJECT (probe_data->self,
"Failed to convert driver name from locale encoding to UTF8");
return TRUE;
}
/* NULL for the primary sound card */
guid_str = pGUID ? guid_to_string (pGUID) : NULL;
GST_INFO_OBJECT (probe_data->self, "sound device name: %s, %s (GUID %s)",
description, driver, GST_STR_NULL (guid_str));
props = gst_structure_new ("directsound-proplist",
"device.api", G_TYPE_STRING, "directsound",
"device.guid", G_TYPE_STRING, GST_STR_NULL (guid_str),
"directsound.device.driver", G_TYPE_STRING, driver,
"directsound.device.description", G_TYPE_STRING, description, NULL);
#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
device = g_object_new (GST_TYPE_DIRECTSOUND_DEVICE, "device-guid", guid_str,
"display-name", description, "caps", gst_static_caps_get (&caps),
"device-class", "Audio/Source", "properties", props, NULL);
#else
device = g_object_new (GST_TYPE_DIRECTSOUND_DEVICE, "device-guid", guid_str,
"display-name", description, "caps", gst_static_caps_get (&caps),
"device-class", "Audio/Sink", "properties", props, NULL);
#endif
*probe_data->devices = g_list_prepend (*probe_data->devices, device);
g_free (description);
g_free (driver);
g_free (guid_str);
gst_structure_free (props);
return TRUE;
}
static GList *
gst_directsound_device_provider_probe (GstDeviceProvider * provider)
{
GstDirectSoundDeviceProvider *self =
GST_DIRECTSOUND_DEVICE_PROVIDER (provider);
GList *devices = NULL;
ProbeData probe_data = { self, &devices };
HRESULT hRes;
#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
hRes = DirectSoundCaptureEnumerate ((LPDSENUMCALLBACK)
gst_directsound_enum_callback, (VOID *) & probe_data);
#else
hRes = DirectSoundEnumerate ((LPDSENUMCALLBACK)
gst_directsound_enum_callback, (VOID *) & probe_data);
#endif
if (FAILED (hRes))
GST_ERROR_OBJECT (self, "Failed to enumerate devices");
return devices;
}
enum
{
PROP_DEVICE_GUID = 1,
};
G_DEFINE_TYPE (GstDirectSoundDevice, gst_directsound_device, GST_TYPE_DEVICE);
static void gst_directsound_device_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_directsound_device_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_directsound_device_finalize (GObject * object);
static GstElement *gst_directsound_device_create_element (GstDevice * device,
const gchar * name);
static void
gst_directsound_device_class_init (GstDirectSoundDeviceClass * klass)
{
GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
dev_class->create_element = gst_directsound_device_create_element;
object_class->get_property = gst_directsound_device_get_property;
object_class->set_property = gst_directsound_device_set_property;
object_class->finalize = gst_directsound_device_finalize;
g_object_class_install_property (object_class, PROP_DEVICE_GUID,
g_param_spec_string ("device-guid", "Device GUID",
"Device GUID", NULL,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}
static void
gst_directsound_device_init (GstDirectSoundDevice * device)
{
}
static void
gst_directsound_device_finalize (GObject * object)
{
GstDirectSoundDevice *device = GST_DIRECTSOUND_DEVICE (object);
g_free (device->guid);
G_OBJECT_CLASS (gst_directsound_device_parent_class)->finalize (object);
}
static GstElement *
gst_directsound_device_create_element (GstDevice * device, const gchar * name)
{
GstDirectSoundDevice *directsound_dev = GST_DIRECTSOUND_DEVICE (device);
GstElement *elem;
#ifdef GST_DIRECTSOUND_SRC_DEVICE_PROVIDER
elem = gst_element_factory_make ("directsoundsrc", name);
#else
elem = gst_element_factory_make ("directsoundsink", name);
#endif
g_object_set (elem, "device", directsound_dev->guid, NULL);
return elem;
}
static void
gst_directsound_device_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstDirectSoundDevice *device = GST_DIRECTSOUND_DEVICE_CAST (object);
switch (prop_id) {
case PROP_DEVICE_GUID:
g_value_set_string (value, device->guid);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_directsound_device_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDirectSoundDevice *device = GST_DIRECTSOUND_DEVICE_CAST (object);
switch (prop_id) {
case PROP_DEVICE_GUID:
device->guid = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}

74
sys/directsound/gstdirectsounddevice.h Normal file
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@ -0,0 +1,74 @@
/* GStreamer
* Copyright (C) 2018 Sebastian Dröge <sebastian@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.
*/
#ifndef __GST_DIRECTSOUND_DEVICE_H__
#define __GST_DIRECTSOUND_DEVICE_H__
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct _GstDirectSoundDeviceProvider GstDirectSoundDeviceProvider;
typedef struct _GstDirectSoundDeviceProviderClass GstDirectSoundDeviceProviderClass;
#define GST_TYPE_DIRECTSOUND_DEVICE_PROVIDER (gst_directsound_device_provider_get_type())
#define GST_IS_DIRECTSOUND_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DIRECTSOUND_DEVICE_PROVIDER))
#define GST_IS_DIRECTSOUND_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DIRECTSOUND_DEVICE_PROVIDER))
#define GST_DIRECTSOUND_DEVICE_PROVIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DIRECTSOUND_DEVICE_PROVIDER, GstDirectSoundDeviceProviderClass))
#define GST_DIRECTSOUND_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DIRECTSOUND_DEVICE_PROVIDER, GstDirectSoundDeviceProvider))
#define GST_DIRECTSOUND_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_PROVIDER, GstDirectSoundDeviceProviderClass))
#define GST_DIRECTSOUND_DEVICE_PROVIDER_CAST(obj) ((GstDirectSoundDeviceProvider *)(obj))
struct _GstDirectSoundDeviceProvider {
GstDeviceProvider parent;
};
struct _GstDirectSoundDeviceProviderClass {
GstDeviceProviderClass parent_class;
};
GType gst_directsound_device_provider_get_type (void);
typedef struct _GstDirectSoundDevice GstDirectSoundDevice;
typedef struct _GstDirectSoundDeviceClass GstDirectSoundDeviceClass;
#define GST_TYPE_DIRECTSOUND_DEVICE (gst_directsound_device_get_type())
#define GST_IS_DIRECTSOUND_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DIRECTSOUND_DEVICE))
#define GST_IS_DIRECTSOUND_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DIRECTSOUND_DEVICE))
#define GST_DIRECTSOUND_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DIRECTSOUND_DEVICE, GstDirectSoundDeviceClass))
#define GST_DIRECTSOUND_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DIRECTSOUND_DEVICE, GstDirectSoundDevice))
#define GST_DIRECTSOUND_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstDirectSoundDeviceClass))
#define GST_DIRECTSOUND_DEVICE_CAST(obj) ((GstDirectSoundDevice *)(obj))
struct _GstDirectSoundDevice {
GstDevice parent;
gchar *guid;
};
struct _GstDirectSoundDeviceClass {
GstDeviceClass parent_class;
};
GType gst_directsound_device_get_type (void);
G_END_DECLS
#endif /* __GST_DIRECTSOUND_DEVICE_H__ */

7
sys/directsound/gstdirectsoundplugin.c
View file

@ -30,7 +30,7 @@
#endif
#include "gstdirectsoundsrc.h"
#include "gstdirectsounddevice.h"
static gboolean
plugin_init (GstPlugin * plugin)
@ -39,6 +39,11 @@ plugin_init (GstPlugin * plugin)
GST_TYPE_DIRECTSOUND_SRC))
return FALSE;
if (!gst_device_provider_register (plugin, "directsoundsrcdeviceprovider",
GST_RANK_PRIMARY, GST_TYPE_DIRECTSOUND_DEVICE_PROVIDER))
return FALSE;
return TRUE;
}

8
sys/directsound/gstdirectsoundsrc.c
View file

@ -138,10 +138,7 @@ static GstStaticPadTemplate directsound_src_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw, "
"format = (string) { S16LE, S8 }, "
"layout = (string) interleaved, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]"));
GST_STATIC_CAPS (GST_DIRECTSOUND_SRC_CAPS));
#define gst_directsound_src_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstDirectSoundSrc, gst_directsound_src,
@ -427,7 +424,8 @@ gst_directsound_src_open (GstAudioSrc * asrc)
}
}
/* Create capture object */
hRes = DirectSoundCaptureCreate (dsoundsrc->device_guid, &dsoundsrc->pDSC, NULL);
hRes =
DirectSoundCaptureCreate (dsoundsrc->device_guid, &dsoundsrc->pDSC, NULL);
if (FAILED (hRes)) {

5
sys/directsound/gstdirectsoundsrc.h
View file

@ -115,6 +115,11 @@ struct _GstDirectSoundSrcClass
GType gst_directsound_src_get_type (void);
#define GST_DIRECTSOUND_SRC_CAPS "audio/x-raw, "
"format = (string) { S16LE, S8 }, "
"layout = (string) interleaved, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]"
G_END_DECLS
#endif /* __GST_DIRECTSOUNDSRC_H__ */