mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-16 13:26:36 +00:00
629 lines
18 KiB
C
629 lines
18 KiB
C
/* GStreamer
|
|
* Copyright (C) 2016 Hyunjun Ko <zzoon@igalia.com>
|
|
*
|
|
* gstosxaudiodeviceprovider.c: OSX audio device probing and monitoring
|
|
*
|
|
* 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 <gst/gst.h>
|
|
#include <gst/audio/audio.h>
|
|
#include "gstosxaudiosrc.h"
|
|
#include "gstosxaudiosink.h"
|
|
#include "gstosxaudiodeviceprovider.h"
|
|
|
|
GST_DEBUG_CATEGORY_STATIC (gst_osxaudio_device_debug);
|
|
#define GST_CAT_DEFAULT gst_osxaudio_device_debug
|
|
|
|
#if defined(MAC_OS_X_VERSION_MAX_ALLOWED) && MAC_OS_X_VERSION_MAX_ALLOWED < 120000
|
|
#define kAudioObjectPropertyElementMain kAudioObjectPropertyElementMaster
|
|
#endif
|
|
|
|
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_OSX_AUDIO_SRC_CAPS)
|
|
);
|
|
|
|
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_OSX_AUDIO_SINK_CAPS)
|
|
);
|
|
|
|
static GstOsxAudioDevice *gst_osx_audio_device_new (AudioDeviceID device_id,
|
|
const gchar * device_name, GstOsxAudioDeviceType type,
|
|
GstCoreAudio * core_audio);
|
|
|
|
G_DEFINE_TYPE (GstOsxAudioDeviceProvider, gst_osx_audio_device_provider,
|
|
GST_TYPE_DEVICE_PROVIDER);
|
|
GST_DEVICE_PROVIDER_REGISTER_DEFINE (osxaudiodeviceprovider,
|
|
"osxaudiodeviceprovider", GST_RANK_PRIMARY,
|
|
GST_TYPE_OSX_AUDIO_DEVICE_PROVIDER);
|
|
|
|
static gboolean gst_osx_audio_device_provider_start (GstDeviceProvider *
|
|
provider);
|
|
static void gst_osx_audio_device_provider_stop (GstDeviceProvider * provider);
|
|
static GList *gst_osx_audio_device_provider_probe (GstDeviceProvider *
|
|
provider);
|
|
static void
|
|
gst_osx_audio_device_provider_update_devices (GstOsxAudioDeviceProvider * self);
|
|
|
|
static void
|
|
gst_osx_audio_device_provider_class_init (GstOsxAudioDeviceProviderClass *
|
|
klass)
|
|
{
|
|
GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
|
|
|
|
dm_class->start = gst_osx_audio_device_provider_start;
|
|
dm_class->stop = gst_osx_audio_device_provider_stop;
|
|
dm_class->probe = gst_osx_audio_device_provider_probe;
|
|
|
|
gst_device_provider_class_set_static_metadata (dm_class,
|
|
"OSX Audio Device Provider", "Source/Sink/Audio",
|
|
"List and monitor OSX audio source and sink devices",
|
|
"Hyunjun Ko <zzoon@igalia.com>");
|
|
|
|
GST_DEBUG_CATEGORY_INIT (gst_osxaudio_device_debug, "osxaudio_device", 0,
|
|
"Audio device provider for macOS");
|
|
}
|
|
|
|
static void
|
|
gst_osx_audio_device_provider_init (GstOsxAudioDeviceProvider * provider)
|
|
{
|
|
}
|
|
|
|
static GstOsxAudioDevice *
|
|
gst_osx_audio_device_provider_probe_device (GstOsxAudioDeviceProvider *
|
|
provider, AudioDeviceID device_id, const gchar * device_name,
|
|
GstOsxAudioDeviceType type)
|
|
{
|
|
GstOsxAudioDevice *device = NULL;
|
|
GstCoreAudio *core_audio;
|
|
|
|
core_audio = gst_core_audio_new (NULL);
|
|
core_audio->is_src = type == GST_OSX_AUDIO_DEVICE_TYPE_SOURCE ? TRUE : FALSE;
|
|
core_audio->device_id = device_id;
|
|
|
|
if (!gst_core_audio_open (core_audio)) {
|
|
GST_ERROR ("CoreAudio device could not be opened");
|
|
goto done;
|
|
}
|
|
|
|
device = gst_osx_audio_device_new (device_id, device_name, type, core_audio);
|
|
|
|
gst_core_audio_close (core_audio);
|
|
|
|
done:
|
|
g_object_unref (core_audio);
|
|
|
|
return device;
|
|
}
|
|
|
|
static inline gchar *
|
|
_audio_device_get_name (AudioDeviceID device_id, gboolean output)
|
|
{
|
|
OSStatus status = noErr;
|
|
UInt32 propertySize = 0;
|
|
gchar *device_name = NULL;
|
|
AudioObjectPropertyScope prop_scope;
|
|
|
|
AudioObjectPropertyAddress deviceNameAddress = {
|
|
kAudioDevicePropertyDeviceName,
|
|
kAudioDevicePropertyScopeOutput,
|
|
kAudioObjectPropertyElementMain
|
|
};
|
|
|
|
prop_scope = output ? kAudioDevicePropertyScopeOutput :
|
|
kAudioDevicePropertyScopeInput;
|
|
|
|
deviceNameAddress.mScope = prop_scope;
|
|
|
|
/* Get the length of the device name */
|
|
status = AudioObjectGetPropertyDataSize (device_id,
|
|
&deviceNameAddress, 0, NULL, &propertySize);
|
|
if (status != noErr) {
|
|
goto beach;
|
|
}
|
|
|
|
/* Get the name of the device */
|
|
device_name = (gchar *) g_malloc (propertySize);
|
|
status = AudioObjectGetPropertyData (device_id,
|
|
&deviceNameAddress, 0, NULL, &propertySize, device_name);
|
|
if (status != noErr) {
|
|
g_free (device_name);
|
|
device_name = NULL;
|
|
}
|
|
|
|
beach:
|
|
return device_name;
|
|
}
|
|
|
|
static inline gboolean
|
|
_audio_device_has_output (AudioDeviceID device_id)
|
|
{
|
|
OSStatus status = noErr;
|
|
UInt32 propertySize;
|
|
|
|
AudioObjectPropertyAddress streamsAddress = {
|
|
kAudioDevicePropertyStreams,
|
|
kAudioDevicePropertyScopeOutput,
|
|
kAudioObjectPropertyElementMain
|
|
};
|
|
|
|
status = AudioObjectGetPropertyDataSize (device_id,
|
|
&streamsAddress, 0, NULL, &propertySize);
|
|
|
|
if (status != noErr) {
|
|
GST_WARNING ("failed getting device property: %d", (int) status);
|
|
return FALSE;
|
|
}
|
|
if (propertySize == 0) {
|
|
GST_DEBUG ("property size was 0; device has no output channels");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static inline gboolean
|
|
_audio_device_has_input (AudioDeviceID device_id)
|
|
{
|
|
OSStatus status = noErr;
|
|
UInt32 propertySize;
|
|
|
|
AudioObjectPropertyAddress streamsAddress = {
|
|
kAudioDevicePropertyStreams,
|
|
kAudioDevicePropertyScopeInput,
|
|
kAudioObjectPropertyElementMain
|
|
};
|
|
|
|
status = AudioObjectGetPropertyDataSize (device_id,
|
|
&streamsAddress, 0, NULL, &propertySize);
|
|
|
|
if (status != noErr) {
|
|
GST_WARNING ("failed getting device property: %d", (int) status);
|
|
return FALSE;
|
|
}
|
|
if (propertySize == 0) {
|
|
GST_DEBUG ("property size was 0; device has no input channels");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static inline AudioDeviceID *
|
|
_audio_system_get_devices (gint * ndevices)
|
|
{
|
|
OSStatus status = noErr;
|
|
UInt32 propertySize = 0;
|
|
AudioDeviceID *devices = NULL;
|
|
|
|
AudioObjectPropertyAddress audioDevicesAddress = {
|
|
kAudioHardwarePropertyDevices,
|
|
kAudioObjectPropertyScopeGlobal,
|
|
kAudioObjectPropertyElementMain
|
|
};
|
|
|
|
status = AudioObjectGetPropertyDataSize (kAudioObjectSystemObject,
|
|
&audioDevicesAddress, 0, NULL, &propertySize);
|
|
if (status != noErr) {
|
|
GST_WARNING ("failed getting number of devices: %d", (int) status);
|
|
return NULL;
|
|
}
|
|
|
|
*ndevices = propertySize / sizeof (AudioDeviceID);
|
|
|
|
devices = (AudioDeviceID *) g_malloc (propertySize);
|
|
if (devices) {
|
|
status = AudioObjectGetPropertyData (kAudioObjectSystemObject,
|
|
&audioDevicesAddress, 0, NULL, &propertySize, devices);
|
|
if (status != noErr) {
|
|
GST_WARNING ("failed getting the list of devices: %d", (int) status);
|
|
g_free (devices);
|
|
*ndevices = 0;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return devices;
|
|
}
|
|
|
|
static OSStatus
|
|
_audio_devices_changed_cb (AudioObjectID inObjectID, UInt32 inNumberAddresses,
|
|
const AudioObjectPropertyAddress * inAddresses,
|
|
void *__nullable inClientData)
|
|
{
|
|
GstOsxAudioDeviceProvider *self =
|
|
GST_OSX_AUDIO_DEVICE_PROVIDER (inClientData);
|
|
|
|
GST_DEBUG ("Audio devices changed");
|
|
gst_osx_audio_device_provider_update_devices (self);
|
|
|
|
return noErr;
|
|
}
|
|
|
|
static AudioObjectPropertyAddress
|
|
_get_devices_list_address ()
|
|
{
|
|
AudioObjectPropertyAddress address = {
|
|
.mSelector = kAudioHardwarePropertyDevices,
|
|
.mScope = kAudioObjectPropertyScopeGlobal,
|
|
.mElement = kAudioObjectPropertyElementMain
|
|
};
|
|
|
|
return address;
|
|
}
|
|
|
|
static gboolean
|
|
_start_audio_device_watcher (GstOsxAudioDeviceProvider * self)
|
|
{
|
|
AudioObjectPropertyAddress propertyAddress = _get_devices_list_address ();
|
|
OSStatus result = AudioObjectAddPropertyListener (kAudioObjectSystemObject,
|
|
&propertyAddress, _audio_devices_changed_cb, self);
|
|
|
|
if (result != noErr) {
|
|
GST_WARNING ("Failed to add device list change listener: %d", result);
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG ("Audio device watcher started");
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
_stop_audio_device_watcher (GstOsxAudioDeviceProvider * self)
|
|
{
|
|
AudioObjectPropertyAddress propertyAddress = _get_devices_list_address ();
|
|
OSStatus result = AudioObjectRemovePropertyListener (kAudioObjectSystemObject,
|
|
&propertyAddress, _audio_devices_changed_cb, self);
|
|
|
|
if (result != noErr) {
|
|
GST_WARNING ("Failed to remove device list change listener: %d", result);
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG ("Audio device watcher stopped");
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_osx_audio_device_provider_probe_internal (GstOsxAudioDeviceProvider * self,
|
|
gboolean is_src, AudioDeviceID * osx_devices, gint ndevices,
|
|
GList ** devices)
|
|
{
|
|
gint i = 0;
|
|
GstOsxAudioDeviceType type = GST_OSX_AUDIO_DEVICE_TYPE_INVALID;
|
|
GstOsxAudioDevice *device = NULL;
|
|
|
|
if (is_src) {
|
|
type = GST_OSX_AUDIO_DEVICE_TYPE_SOURCE;
|
|
} else {
|
|
type = GST_OSX_AUDIO_DEVICE_TYPE_SINK;
|
|
}
|
|
|
|
for (i = 0; i < ndevices; i++) {
|
|
gchar *device_name;
|
|
|
|
if ((device_name = _audio_device_get_name (osx_devices[i], FALSE))) {
|
|
gboolean has_output = _audio_device_has_output (osx_devices[i]);
|
|
gboolean has_input = _audio_device_has_input (osx_devices[i]);
|
|
|
|
if (is_src && !has_input) {
|
|
goto cleanup;
|
|
} else if (!is_src && !has_output) {
|
|
goto cleanup;
|
|
}
|
|
|
|
device =
|
|
gst_osx_audio_device_provider_probe_device (self, osx_devices[i],
|
|
device_name, type);
|
|
if (device) {
|
|
if (is_src) {
|
|
GST_DEBUG ("Input Device ID: %u Name: %s",
|
|
(unsigned) osx_devices[i], device_name);
|
|
} else {
|
|
GST_DEBUG ("Output Device ID: %u Name: %s",
|
|
(unsigned) osx_devices[i], device_name);
|
|
}
|
|
gst_object_ref_sink (device);
|
|
*devices = g_list_prepend (*devices, device);
|
|
}
|
|
|
|
cleanup:
|
|
g_free (device_name);
|
|
}
|
|
}
|
|
}
|
|
|
|
static GList *
|
|
gst_osx_audio_device_provider_probe (GstDeviceProvider * provider)
|
|
{
|
|
GstOsxAudioDeviceProvider *self = GST_OSX_AUDIO_DEVICE_PROVIDER (provider);
|
|
GList *devices = NULL;
|
|
AudioDeviceID *osx_devices = NULL;
|
|
gint ndevices = 0;
|
|
|
|
osx_devices = _audio_system_get_devices (&ndevices);
|
|
|
|
if (ndevices < 1) {
|
|
GST_WARNING ("no audio output devices found");
|
|
goto done;
|
|
}
|
|
|
|
GST_INFO ("found %d audio device(s)", ndevices);
|
|
|
|
gst_osx_audio_device_provider_probe_internal (self, TRUE, osx_devices,
|
|
ndevices, &devices);
|
|
gst_osx_audio_device_provider_probe_internal (self, FALSE, osx_devices,
|
|
ndevices, &devices);
|
|
|
|
done:
|
|
g_free (osx_devices);
|
|
|
|
return devices;
|
|
}
|
|
|
|
static gboolean
|
|
gst_osx_audio_device_provider_start (GstDeviceProvider * provider)
|
|
{
|
|
GstOsxAudioDeviceProvider *self = GST_OSX_AUDIO_DEVICE_PROVIDER (provider);
|
|
GList *devices = NULL;
|
|
GList *iter;
|
|
|
|
devices = gst_osx_audio_device_provider_probe (provider);
|
|
if (devices) {
|
|
for (iter = devices; iter; iter = g_list_next (iter)) {
|
|
gst_device_provider_device_add (provider, GST_DEVICE (iter->data));
|
|
}
|
|
|
|
g_list_free (devices);
|
|
}
|
|
|
|
return _start_audio_device_watcher (self);
|
|
}
|
|
|
|
static void
|
|
gst_osx_audio_device_provider_stop (GstDeviceProvider * provider)
|
|
{
|
|
GstOsxAudioDeviceProvider *self = GST_OSX_AUDIO_DEVICE_PROVIDER (provider);
|
|
_stop_audio_device_watcher (self);
|
|
}
|
|
|
|
static gboolean
|
|
gst_osx_audio_device_is_in_list (GList * list, GstDevice * gst_device)
|
|
{
|
|
GstOsxAudioDevice *osx_device = GST_OSX_AUDIO_DEVICE (gst_device);
|
|
gchar *name = gst_device_get_display_name (gst_device);
|
|
GList *iter;
|
|
gboolean found = FALSE;
|
|
|
|
for (iter = list; iter; iter = g_list_next (iter)) {
|
|
GstOsxAudioDevice *other_osx = GST_OSX_AUDIO_DEVICE (iter->data);
|
|
gchar *other_name = gst_device_get_display_name (GST_DEVICE (iter->data));
|
|
|
|
/* Only checking ID + class for now.
|
|
* Should be enough to pick up changes when an existing output device
|
|
* adds an input or vice versa */
|
|
if (g_ascii_strcasecmp (name, other_name) == 0
|
|
&& osx_device->device_id == other_osx->device_id) {
|
|
found = TRUE;
|
|
}
|
|
|
|
g_free (other_name);
|
|
|
|
if (found)
|
|
break;
|
|
}
|
|
|
|
g_free (name);
|
|
return found;
|
|
}
|
|
|
|
static void
|
|
gst_osx_audio_device_provider_update_devices (GstOsxAudioDeviceProvider * self)
|
|
{
|
|
GstDeviceProvider *provider = GST_DEVICE_PROVIDER_CAST (self);
|
|
GList *prev_devices = NULL;
|
|
GList *new_devices = NULL;
|
|
GList *to_add = NULL;
|
|
GList *to_remove = NULL;
|
|
GList *iter;
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
prev_devices = g_list_copy_deep (provider->devices,
|
|
(GCopyFunc) gst_object_ref, NULL);
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
new_devices = gst_osx_audio_device_provider_probe (provider);
|
|
if (!new_devices)
|
|
goto done;
|
|
|
|
/* Ownership of GstDevice for gst_device_provider_device_add()
|
|
* and gst_device_provider_device_remove() is a bit complicated.
|
|
* Remove floating reference here for things to be clear */
|
|
for (iter = new_devices; iter; iter = g_list_next (iter))
|
|
gst_object_ref_sink (iter->data);
|
|
|
|
/* Check added devices */
|
|
for (iter = new_devices; iter; iter = g_list_next (iter)) {
|
|
if (!gst_osx_audio_device_is_in_list
|
|
(prev_devices, GST_DEVICE (iter->data))) {
|
|
to_add = g_list_prepend (to_add, gst_object_ref (iter->data));
|
|
}
|
|
}
|
|
|
|
/* Check removed devices */
|
|
for (iter = prev_devices; iter; iter = g_list_next (iter)) {
|
|
if (!gst_osx_audio_device_is_in_list (new_devices, GST_DEVICE (iter->data))) {
|
|
to_remove = g_list_prepend (to_remove, gst_object_ref (iter->data));
|
|
}
|
|
}
|
|
|
|
for (iter = to_remove; iter; iter = g_list_next (iter))
|
|
gst_device_provider_device_remove (provider, GST_DEVICE (iter->data));
|
|
|
|
for (iter = to_add; iter; iter = g_list_next (iter))
|
|
gst_device_provider_device_add (provider, GST_DEVICE (iter->data));
|
|
|
|
done:
|
|
if (prev_devices)
|
|
g_list_free_full (prev_devices, (GDestroyNotify) gst_object_unref);
|
|
|
|
if (to_add)
|
|
g_list_free_full (to_add, (GDestroyNotify) gst_object_unref);
|
|
|
|
if (to_remove)
|
|
g_list_free_full (to_remove, (GDestroyNotify) gst_object_unref);
|
|
|
|
if (new_devices)
|
|
g_list_free (new_devices);
|
|
}
|
|
|
|
enum
|
|
{
|
|
PROP_DEVICE_ID = 1,
|
|
};
|
|
|
|
G_DEFINE_TYPE (GstOsxAudioDevice, gst_osx_audio_device, GST_TYPE_DEVICE);
|
|
|
|
static void gst_osx_audio_device_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec);
|
|
static void gst_osx_audio_device_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec);
|
|
static GstElement *gst_osx_audio_device_create_element (GstDevice * device,
|
|
const gchar * name);
|
|
|
|
static void
|
|
gst_osx_audio_device_class_init (GstOsxAudioDeviceClass * klass)
|
|
{
|
|
GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
dev_class->create_element = gst_osx_audio_device_create_element;
|
|
|
|
object_class->get_property = gst_osx_audio_device_get_property;
|
|
object_class->set_property = gst_osx_audio_device_set_property;
|
|
|
|
g_object_class_install_property (object_class, PROP_DEVICE_ID,
|
|
g_param_spec_int ("device-id", "Device ID", "Device ID of input device",
|
|
0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
}
|
|
|
|
static void
|
|
gst_osx_audio_device_init (GstOsxAudioDevice * device)
|
|
{
|
|
}
|
|
|
|
static GstElement *
|
|
gst_osx_audio_device_create_element (GstDevice * device, const gchar * name)
|
|
{
|
|
GstOsxAudioDevice *osxdev = GST_OSX_AUDIO_DEVICE (device);
|
|
GstElement *elem;
|
|
|
|
elem = gst_element_factory_make (osxdev->element, name);
|
|
g_object_set (elem, "device", osxdev->device_id, NULL);
|
|
|
|
return elem;
|
|
}
|
|
|
|
static GstOsxAudioDevice *
|
|
gst_osx_audio_device_new (AudioDeviceID device_id, const gchar * device_name,
|
|
GstOsxAudioDeviceType type, GstCoreAudio * core_audio)
|
|
{
|
|
GstOsxAudioDevice *gstdev;
|
|
const gchar *element_name = NULL;
|
|
const gchar *klass = NULL;
|
|
GstCaps *template_caps, *caps;
|
|
|
|
g_return_val_if_fail (device_id > 0, NULL);
|
|
g_return_val_if_fail (device_name, NULL);
|
|
|
|
switch (type) {
|
|
case GST_OSX_AUDIO_DEVICE_TYPE_SOURCE:
|
|
element_name = "osxaudiosrc";
|
|
klass = "Audio/Source";
|
|
|
|
template_caps = gst_static_pad_template_get_caps (&src_factory);
|
|
caps = gst_core_audio_probe_caps (core_audio, template_caps);
|
|
gst_caps_unref (template_caps);
|
|
|
|
break;
|
|
case GST_OSX_AUDIO_DEVICE_TYPE_SINK:
|
|
element_name = "osxaudiosink";
|
|
klass = "Audio/Sink";
|
|
|
|
template_caps = gst_static_pad_template_get_caps (&sink_factory);
|
|
caps = gst_core_audio_probe_caps (core_audio, template_caps);
|
|
gst_caps_unref (template_caps);
|
|
|
|
break;
|
|
default:
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
|
|
gstdev = g_object_new (GST_TYPE_OSX_AUDIO_DEVICE, "device-id",
|
|
device_id, "display-name", device_name, "caps", caps, "device-class",
|
|
klass, NULL);
|
|
|
|
gstdev->element = element_name;
|
|
|
|
|
|
return gstdev;
|
|
}
|
|
|
|
static void
|
|
gst_osx_audio_device_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstOsxAudioDevice *device;
|
|
|
|
device = GST_OSX_AUDIO_DEVICE_CAST (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_DEVICE_ID:
|
|
g_value_set_int (value, device->device_id);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
gst_osx_audio_device_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstOsxAudioDevice *device;
|
|
|
|
device = GST_OSX_AUDIO_DEVICE_CAST (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_DEVICE_ID:
|
|
device->device_id = g_value_get_int (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|