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mediafoundation: Fix device enumeration

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Do not stop device enumerate even if a device could not be opened.
Otherwise the other devices listed after the failed device will not be
reported by device provider

Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3460
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6598>
This commit is contained in:
Seungha Yang 2024-04-10 20:57:16 +09:00 committed by GStreamer Marge Bot
parent 60ac6d0883
commit a7fe79c4de
9 changed files with 138 additions and 29 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfcapturedshow.cpp
View file

@ -1187,16 +1187,20 @@ gst_mf_capture_dshow_thread_func (GstMFCaptureDShow * self)
self->inner->grabber = grabber;
self->inner->fakesink = fakesink;
object->opened =
gst_mf_capture_dshow_open (self, selected.moniker.Get ());
if (!gst_mf_capture_dshow_open (self, selected.moniker.Get ())) {
object->source_state = GST_MF_ACTIVATION_FAILED;
} else {
object->source_state = GST_MF_OK;
g_free (object->device_path);
object->device_path = g_strdup (selected.path.c_str());
g_free (object->device_path);
object->device_path = g_strdup (selected.path.c_str());
g_free (object->device_name);
object->device_name = g_strdup (selected.name.c_str());
g_free (object->device_name);
object->device_name = g_strdup (selected.name.c_str());
object->device_index = selected.index;
object->device_index = selected.index;
}
} else {
object->source_state = GST_MF_DEVICE_NOT_FOUND;
}
}
@ -1411,7 +1415,7 @@ gst_mf_capture_dshow_new (GstMFSourceType type, gint device_index,
gst_object_ref_sink (self);
if (!self->opened) {
if (self->source_state != GST_MF_OK) {
GST_DEBUG_OBJECT (self, "Couldn't open device");
gst_object_unref (self);
return nullptr;
@ -1419,3 +1423,21 @@ gst_mf_capture_dshow_new (GstMFSourceType type, gint device_index,
return self;
}
GstMFSourceResult
gst_mf_capture_dshow_enumerate (gint device_index, GstMFSourceObject ** object)
{
auto self = (GstMFSourceObject *) g_object_new (GST_TYPE_MF_CAPTURE_DSHOW,
"source-type", GST_MF_SOURCE_TYPE_VIDEO, "device-index", device_index,
nullptr);
gst_object_ref_sink (self);
auto ret = self->source_state;
if (ret != GST_MF_OK) {
gst_object_unref (self);
return ret;
}
*object = self;
return GST_MF_OK;
}

3
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfcapturedshow.h
View file

@ -33,4 +33,7 @@ GstMFSourceObject * gst_mf_capture_dshow_new (GstMFSourceType type,
const gchar * device_name,
const gchar * device_path);
GstMFSourceResult gst_mf_capture_dshow_enumerate (gint device_index,
GstMFSourceObject ** object);
G_END_DECLS

31
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfcapturewinrt.cpp
View file

@ -295,6 +295,7 @@ gst_mf_capture_winrt_thread_func (GstMFCaptureWinRT * self)
if (!target_group) {
GST_WARNING_OBJECT (self, "No matching device");
source->source_state = GST_MF_DEVICE_NOT_FOUND;
goto run_loop;
}
@ -318,7 +319,7 @@ gst_mf_capture_winrt_thread_func (GstMFCaptureWinRT * self)
GST_DEBUG_OBJECT (self, "Available output caps %" GST_PTR_FORMAT,
self->supported_caps);
source->opened = TRUE;
source->source_state = GST_MF_OK;
g_free (source->device_path);
source->device_path = g_strdup (target_group->id_.c_str ());
@ -751,18 +752,40 @@ gst_mf_capture_winrt_new (GstMFSourceType type, gint device_index,
"source-type", type, "device-index", device_index, "device-name",
device_name, "device-path", device_path, "dispatcher", dispatcher,
nullptr);
gst_object_ref_sink (self);
/* Reset explicitly to ensure that it happens before
* RoInitializeWrapper dtor is called */
core_dispatcher.Reset ();
if (!self->opened) {
if (self->source_state != GST_MF_OK) {
GST_WARNING_OBJECT (self, "Couldn't open device");
gst_object_unref (self);
return nullptr;
}
gst_object_ref_sink (self);
return self;
}
GstMFSourceResult
gst_mf_capture_winrt_enumerate (gint device_index, GstMFSourceObject ** object)
{
ComPtr < ICoreDispatcher > core_dispatcher;
/* Multiple COM init is allowed */
RoInitializeWrapper init_wrapper (RO_INIT_MULTITHREADED);
FindCoreDispatcherForCurrentThread (&core_dispatcher);
auto self = (GstMFSourceObject *) g_object_new (GST_TYPE_MF_CAPTURE_WINRT,
"source-type", GST_MF_SOURCE_TYPE_VIDEO, "device-index", device_index,
"dispatcher", core_dispatcher.Get (), nullptr);
gst_object_ref_sink (self);
auto ret = self->source_state;
if (ret != GST_MF_OK) {
gst_object_unref (self);
return ret;
}
*object = self;
return GST_MF_OK;
}

3
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfcapturewinrt.h
View file

@ -35,6 +35,9 @@ GstMFSourceObject * gst_mf_capture_winrt_new (GstMFSourceType type,
const gchar * device_path,
gpointer dispatcher);
GstMFSourceResult gst_mf_capture_winrt_enumerate (gint device_index,
GstMFSourceObject ** object);
G_END_DECLS
#endif /* __GST_MF_CAPTURE_WINRT_H__ */

16
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfdevice.cpp
View file

@ -280,21 +280,23 @@ gst_mf_device_provider_probe_internal (GstDeviceProvider * provider,
GstCaps *caps = nullptr;
gchar *device_name = nullptr;
gchar *device_path = nullptr;
GstMFSourceResult ret = GST_MF_DEVICE_NOT_FOUND;
#if GST_MF_WINAPI_DESKTOP
if (try_dshow) {
obj = gst_mf_capture_dshow_new (GST_MF_SOURCE_TYPE_VIDEO, i,
nullptr, nullptr);
ret = gst_mf_capture_dshow_enumerate (i, &obj);
} else {
obj = gst_mf_source_object_new (GST_MF_SOURCE_TYPE_VIDEO,
i, nullptr, nullptr, nullptr);
ret = gst_mf_source_object_enumerate (i, &obj);
}
#else
obj = gst_mf_source_object_new (GST_MF_SOURCE_TYPE_VIDEO,
i, nullptr, nullptr, nullptr);
ret = gst_mf_source_object_enumerate (i, &obj);
#endif
if (!obj)
if (ret == GST_MF_DEVICE_NOT_FOUND)
break;
else if (ret == GST_MF_ACTIVATION_FAILED)
continue;
g_assert (ret == GST_MF_OK);
caps = gst_mf_source_object_get_caps (obj);
if (!caps) {

20
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfsourceobject.cpp
View file

@ -396,6 +396,26 @@ gst_mf_source_object_new (GstMFSourceType type, gint device_index,
return nullptr;
}
GstMFSourceResult
gst_mf_source_object_enumerate (gint device_index, GstMFSourceObject ** object)
{
#if (!GST_MF_WINAPI_APP)
return gst_mf_source_reader_enumerate (device_index, object);
#else
#if (!GST_MF_WINAPI_DESKTOP)
return gst_mf_capture_winrt_enumerate (device_index, object);
#else
if (gst_mf_source_object_use_winrt_api ())
return gst_mf_capture_winrt_enumerate (device_index, object);
return gst_mf_source_reader_enumerate (device_index, object);
#endif
#endif
g_assert_not_reached ();
return GST_MF_DEVICE_NOT_FOUND;
}
gint
gst_mf_source_object_caps_compare (GstCaps * caps1, GstCaps * caps2)
{

12
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfsourceobject.h
View file

@ -41,6 +41,13 @@ typedef enum
GST_MF_SOURCE_TYPE_VIDEO,
} GstMFSourceType;
typedef enum
{
GST_MF_OK,
GST_MF_DEVICE_NOT_FOUND,
GST_MF_ACTIVATION_FAILED,
} GstMFSourceResult;
#define GST_TYPE_MF_SOURCE_TYPE (gst_mf_source_type_get_type())
GType gst_mf_source_type_get_type (void);
@ -48,7 +55,7 @@ struct _GstMFSourceObject
{
GstObject parent;
gboolean opened;
GstMFSourceResult source_state;
GstMFSourceType source_type;
gchar *device_path;
@ -123,6 +130,9 @@ GstMFSourceObject * gst_mf_source_object_new (GstMFSourceType type,
const gchar * device_path,
gpointer dispatcher);
GstMFSourceResult gst_mf_source_object_enumerate (gint device_index,
GstMFSourceObject ** object);
/* Utility methods */
gint gst_mf_source_object_caps_compare (GstCaps * caps1,
GstCaps * caps2);

39
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfsourcereader.cpp
View file

@ -839,15 +839,20 @@ gst_mf_source_reader_thread_func (GstMFSourceReader * self)
}
if (target) {
object->opened = gst_mf_source_reader_open (self, target->handle);
if (!gst_mf_source_reader_open (self, target->handle)) {
object->source_state = GST_MF_ACTIVATION_FAILED;
} else {
object->source_state = GST_MF_OK;
g_free (object->device_path);
object->device_path = g_strdup (target->path);
g_free (object->device_path);
object->device_path = g_strdup (target->path);
g_free (object->device_name);
object->device_name = g_strdup (target->name);
g_free (object->device_name);
object->device_name = g_strdup (target->name);
object->device_index = target->index;
object->device_index = target->index;
}
} else {
object->source_state = GST_MF_DEVICE_NOT_FOUND;
}
if (activate_list)
@ -991,7 +996,7 @@ gst_mf_source_reader_new (GstMFSourceType type, gint device_index,
gst_object_ref_sink (self);
if (!self->opened) {
if (self->source_state != GST_MF_OK) {
GST_DEBUG_OBJECT (self, "Couldn't open device");
gst_object_unref (self);
return nullptr;
@ -999,3 +1004,21 @@ gst_mf_source_reader_new (GstMFSourceType type, gint device_index,
return self;
}
GstMFSourceResult
gst_mf_source_reader_enumerate (gint device_index, GstMFSourceObject ** object)
{
auto self = (GstMFSourceObject *) g_object_new (GST_TYPE_MF_SOURCE_READER,
"source-type", GST_MF_SOURCE_TYPE_VIDEO, "device-index", device_index,
nullptr);
gst_object_ref_sink (self);
auto ret = self->source_state;
if (ret != GST_MF_OK) {
gst_object_unref (self);
return ret;
}
*object = self;
return GST_MF_OK;
}

3
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfsourcereader.h
View file

@ -35,6 +35,9 @@ GstMFSourceObject * gst_mf_source_reader_new (GstMFSourceType type,
const gchar * device_name,
const gchar * device_path);
GstMFSourceResult gst_mf_source_reader_enumerate (gint device_index,
GstMFSourceObject ** object);
G_END_DECLS
#endif /* __GST_MF_SOURCE_READER_H__ */