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wasapi2, mfvideosrc: Update "dispatcher" property to be only writable

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Disallow getting dispatcher pointer, since it doesn't seem to be useful
and might not be safe.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1480>
This commit is contained in:
Seungha Yang 2020-07-31 20:57:29 +09:00
parent 265128e7f7
commit fc49886c61
3 changed files with 36 additions and 19 deletions
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19
sys/mediafoundation/gstmfvideosrc.c
View file

@ -144,13 +144,23 @@ gst_mf_video_src_class_init (GstMFVideoSrcClass * klass)
G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
G_PARAM_STATIC_STRINGS));
#if GST_MF_WINAPI_APP
/**
* GstMFVideoSrc:dispatcher:
*
* ICoreDispatcher COM object used for activating device from UI thread.
*
* Since: 1.18
*/
g_object_class_install_property (gobject_class, PROP_DISPATCHER,
g_param_spec_pointer ("dispatcher", "Dispatcher",
"ICoreDispatcher COM object to use. In order for application to ask "
"permission of capture device, device activation should be running "
"on UI thread via ICoreDispatcher",
"on UI thread via ICoreDispatcher. This element will increase "
"the reference count of given ICoreDispatcher and release it after "
"use. Therefore, caller does not need to consider additional "
"reference count management",
GST_PARAM_CONDITIONALLY_AVAILABLE | GST_PARAM_MUTABLE_READY |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
#endif
gst_element_class_set_static_metadata (element_class,
@ -212,11 +222,6 @@ gst_mf_video_src_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_DEVICE_INDEX:
g_value_set_int (value, self->device_index);
break;
#if GST_MF_WINAPI_APP
case PROP_DISPATCHER:
g_value_set_pointer (value, self->dispatcher);
break;
#endif
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

18
sys/wasapi2/gstwasapi2sink.c
View file

@ -159,13 +159,22 @@ gst_wasapi2_sink_class_init (GstWasapi2SinkClass * klass)
GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
/**
* GstWasapi2Sink:dispatcher:
*
* ICoreDispatcher COM object used for activating device from UI thread.
*
* Since: 1.18
*/
g_object_class_install_property (gobject_class, PROP_DISPATCHER,
g_param_spec_pointer ("dispatcher", "Dispatcher",
"ICoreDispatcher COM object to use. In order for application to ask "
"permission of audio device, device activation should be running "
"on UI thread via ICoreDispatcher",
GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
"on UI thread via ICoreDispatcher. This element will increase "
"the reference count of given ICoreDispatcher and release it after "
"use. Therefore, caller does not need to consider additional "
"reference count management",
GST_PARAM_MUTABLE_READY | G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_set_static_metadata (element_class, "Wasapi2Sink",
@ -271,9 +280,6 @@ gst_wasapi2_sink_get_property (GObject * object, guint prop_id,
case PROP_VOLUME:
g_value_set_double (value, gst_wasapi2_sink_get_volume (self));
break;
case PROP_DISPATCHER:
g_value_set_pointer (value, self->dispatcher);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

18
sys/wasapi2/gstwasapi2src.c
View file

@ -156,13 +156,22 @@ gst_wasapi2_src_class_init (GstWasapi2SrcClass * klass)
GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
/**
* GstWasapi2Src:dispatcher:
*
* ICoreDispatcher COM object used for activating device from UI thread.
*
* Since: 1.18
*/
g_object_class_install_property (gobject_class, PROP_DISPATCHER,
g_param_spec_pointer ("dispatcher", "Dispatcher",
"ICoreDispatcher COM object to use. In order for application to ask "
"permission of audio device, device activation should be running "
"on UI thread via ICoreDispatcher",
GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
"on UI thread via ICoreDispatcher. This element will increase "
"the reference count of given ICoreDispatcher and release it after "
"use. Therefore, caller does not need to consider additional "
"reference count management",
GST_PARAM_MUTABLE_READY | G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_static_pad_template (element_class, &src_template);
gst_element_class_set_static_metadata (element_class, "Wasapi2Src",
@ -268,9 +277,6 @@ gst_wasapi2_src_get_property (GObject * object, guint prop_id,
case PROP_VOLUME:
g_value_set_double (value, gst_wasapi2_src_get_volume (self));
break;
case PROP_DISPATCHER:
g_value_set_pointer (value, self->dispatcher);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;