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mfvideosrc: Enable WinRT capture impl. for desktop target

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... if target OS version was specified as Windows 10.
When enabled, desktop application can select target capture
implementation between WinRT and Win32
via GST_USE_MF_WINRT_CAPTURE environment
(e,g., GST_USE_MF_WINRT_CAPTURE=1 for WinRT impl.).
Default is Win32 implementation in case of desktop target.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1434>
This commit is contained in:
Seungha Yang 2020-07-14 19:59:09 +09:00 committed by GStreamer Merge Bot
parent 2d71ad49f8
commit a43d6f6cd9
9 changed files with 337 additions and 334 deletions
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1
sys/mediafoundation/gstmfcapturewinrt.cpp
View file

@ -128,7 +128,6 @@ gst_mf_capture_winrt_constructed (GObject * object)
g_cond_wait (&self->cond, &self->lock); g_cond_wait (&self->cond, &self->lock);
g_mutex_unlock (&self->lock); g_mutex_unlock (&self->lock);
done:
G_OBJECT_CLASS (parent_class)->constructed (object); G_OBJECT_CLASS (parent_class)->constructed (object);
} }

13
sys/mediafoundation/gstmfdevice.c
View file

@ -25,11 +25,7 @@
#include "gstmfvideosrc.h" #include "gstmfvideosrc.h"
#include "gstmfutils.h" #include "gstmfutils.h"
#if GST_MF_WINAPI_ONLY_APP #include "gstmfsourceobject.h"
#include "gstmfcapturewinrt.h"
#else /* GST_MF_WINAPI_ONLY_APP */
#include "gstmfsourcereader.h"
#endif /* GST_MF_WINAPI_ONLY_APP */
#include "gstmfdevice.h" #include "gstmfdevice.h"
@ -180,12 +176,7 @@ gst_mf_device_provider_probe (GstDeviceProvider * provider)
gchar *device_name = NULL; gchar *device_name = NULL;
gchar *device_path = NULL; gchar *device_path = NULL;
#if GST_MF_WINAPI_ONLY_APP obj = gst_mf_source_object_new (GST_MF_SOURCE_TYPE_VIDEO, i, NULL, NULL);
obj = gst_mf_capture_winrt_new (GST_MF_SOURCE_TYPE_VIDEO, i, NULL, NULL);
#else /* !GST_MF_WINAPI_ONLY_APP */
obj = gst_mf_source_reader_new (GST_MF_SOURCE_TYPE_VIDEO, i, NULL, NULL);
#endif /* GST_MF_WINAPI_ONLY_APP */
if (!obj) if (!obj)
break; break;

341
sys/mediafoundation/gstmfsourceobject.c
View file

@ -26,6 +26,13 @@
#include "gstmfsourceobject.h" #include "gstmfsourceobject.h"
#if GST_MF_WINAPI_APP
#include "gstmfcapturewinrt.h"
#endif
#if GST_MF_WINAPI_DESKTOP
#include "gstmfsourcereader.h"
#endif
GST_DEBUG_CATEGORY_EXTERN (gst_mf_source_object_debug); GST_DEBUG_CATEGORY_EXTERN (gst_mf_source_object_debug);
#define GST_CAT_DEFAULT gst_mf_source_object_debug #define GST_CAT_DEFAULT gst_mf_source_object_debug
@ -60,38 +67,14 @@ gst_mf_source_type_get_type (void)
return source_type; return source_type;
} }
struct _GstMFSourceObjectPrivate
{
GstMFSourceType source_type;
gchar *device_path;
gchar *device_name;
gint device_index;
GThread *thread;
GMutex lock;
GCond cond;
GMainContext *context;
GMainLoop *loop;
};
static void gst_mf_source_object_constructed (GObject * object);
static void gst_mf_source_object_dispose (GObject * object);
static void gst_mf_source_object_finalize (GObject * object); static void gst_mf_source_object_finalize (GObject * object);
static void gst_mf_source_object_get_property (GObject * object, guint prop_id, static void gst_mf_source_object_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec); GValue * value, GParamSpec * pspec);
static void gst_mf_source_object_set_property (GObject * object, guint prop_id, static void gst_mf_source_object_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec); const GValue * value, GParamSpec * pspec);
#if !(GST_MF_WINAPI_ONLY_APP)
static gpointer gst_mf_source_object_thread_func (GstMFSourceObject * self);
static gboolean gst_mf_source_enum_device_activate (GstMFSourceObject * self,
GstMFSourceType source_type, GList ** device_activates);
static void gst_mf_device_activate_free (GstMFDeviceActivate * activate);
#endif
#define gst_mf_source_object_parent_class parent_class #define gst_mf_source_object_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GstMFSourceObject, gst_mf_source_object, G_DEFINE_ABSTRACT_TYPE (GstMFSourceObject, gst_mf_source_object,
GST_TYPE_OBJECT); GST_TYPE_OBJECT);
static void static void
@ -99,8 +82,6 @@ gst_mf_source_object_class_init (GstMFSourceObjectClass * klass)
{ {
GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->constructed = gst_mf_source_object_constructed;
gobject_class->dispose = gst_mf_source_object_dispose;
gobject_class->finalize = gst_mf_source_object_finalize; gobject_class->finalize = gst_mf_source_object_finalize;
gobject_class->get_property = gst_mf_source_object_get_property; gobject_class->get_property = gst_mf_source_object_get_property;
gobject_class->set_property = gst_mf_source_object_set_property; gobject_class->set_property = gst_mf_source_object_set_property;
@ -127,64 +108,14 @@ gst_mf_source_object_class_init (GstMFSourceObjectClass * klass)
static void static void
gst_mf_source_object_init (GstMFSourceObject * self) gst_mf_source_object_init (GstMFSourceObject * self)
{ {
GstMFSourceObjectPrivate *priv;
self->priv = priv = gst_mf_source_object_get_instance_private (self);
self->device_index = DEFAULT_DEVICE_INDEX; self->device_index = DEFAULT_DEVICE_INDEX;
priv->source_type = DEFAULT_SOURCE_TYPE; self->source_type = DEFAULT_SOURCE_TYPE;
g_mutex_init (&priv->lock);
g_cond_init (&priv->cond);
}
static void
gst_mf_source_object_constructed (GObject * object)
{
#if !(GST_MF_WINAPI_ONLY_APP)
GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object);
GstMFSourceObjectPrivate *priv = self->priv;
priv->context = g_main_context_new ();
priv->loop = g_main_loop_new (priv->context, FALSE);
/* Create a new thread to ensure that COM thread can be MTA thread */
g_mutex_lock (&priv->lock);
priv->thread = g_thread_new ("GstMFSourceObject",
(GThreadFunc) gst_mf_source_object_thread_func, self);
while (!g_main_loop_is_running (priv->loop))
g_cond_wait (&priv->cond, &priv->lock);
g_mutex_unlock (&priv->lock);
#endif
G_OBJECT_CLASS (parent_class)->constructed (object);
}
static void
gst_mf_source_object_dispose (GObject * object)
{
GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object);
GstMFSourceObjectPrivate *priv = self->priv;
if (priv->loop) {
g_main_loop_quit (priv->loop);
g_thread_join (priv->thread);
g_main_loop_unref (priv->loop);
g_main_context_unref (priv->context);
priv->loop = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
} }
static void static void
gst_mf_source_object_finalize (GObject * object) gst_mf_source_object_finalize (GObject * object)
{ {
GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object); GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object);
GstMFSourceObjectPrivate *priv = self->priv;
g_mutex_clear (&priv->lock);
g_cond_clear (&priv->cond);
g_free (self->device_path); g_free (self->device_path);
g_free (self->device_name); g_free (self->device_name);
@ -197,7 +128,6 @@ gst_mf_source_object_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec) GValue * value, GParamSpec * pspec)
{ {
GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object); GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object);
GstMFSourceObjectPrivate *priv = self->priv;
switch (prop_id) { switch (prop_id) {
case PROP_DEVICE_PATH: case PROP_DEVICE_PATH:
@ -210,7 +140,7 @@ gst_mf_source_object_get_property (GObject * object, guint prop_id,
g_value_set_int (value, self->device_index); g_value_set_int (value, self->device_index);
break; break;
case PROP_SOURCE_TYPE: case PROP_SOURCE_TYPE:
g_value_set_enum (value, priv->source_type); g_value_set_enum (value, self->source_type);
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -223,7 +153,6 @@ gst_mf_source_object_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec) const GValue * value, GParamSpec * pspec)
{ {
GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object); GstMFSourceObject *self = GST_MF_SOURCE_OBJECT (object);
GstMFSourceObjectPrivate *priv = self->priv;
switch (prop_id) { switch (prop_id) {
case PROP_DEVICE_PATH: case PROP_DEVICE_PATH:
@ -238,7 +167,7 @@ gst_mf_source_object_set_property (GObject * object, guint prop_id,
self->device_index = g_value_get_int (value); self->device_index = g_value_get_int (value);
break; break;
case PROP_SOURCE_TYPE: case PROP_SOURCE_TYPE:
priv->source_type = g_value_get_enum (value); self->source_type = g_value_get_enum (value);
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -246,20 +175,6 @@ gst_mf_source_object_set_property (GObject * object, guint prop_id,
} }
} }
static gboolean
gst_mf_source_object_main_loop_running_cb (GstMFSourceObject * self)
{
GstMFSourceObjectPrivate *priv = self->priv;
GST_TRACE_OBJECT (self, "Main loop running now");
g_mutex_lock (&priv->lock);
g_cond_signal (&priv->cond);
g_mutex_unlock (&priv->lock);
return G_SOURCE_REMOVE;
}
gboolean gboolean
gst_mf_source_object_start (GstMFSourceObject * object) gst_mf_source_object_start (GstMFSourceObject * object)
{ {
@ -359,193 +274,67 @@ gst_mf_source_object_get_caps (GstMFSourceObject * object)
return klass->get_caps (object); return klass->get_caps (object);
} }
#if !(GST_MF_WINAPI_ONLY_APP) static gboolean
static gpointer gst_mf_source_object_use_winrt_api (void)
gst_mf_source_object_thread_func (GstMFSourceObject * self)
{ {
GstMFSourceObjectPrivate *priv = self->priv; static gsize check_once = 0;
GstMFSourceObjectClass *klass = GST_MF_SOURCE_OBJECT_GET_CLASS (self); static gboolean ret = FALSE;
GSource *source;
GList *activate_list = NULL;
GstMFDeviceActivate *target = NULL;
GList *iter;
g_assert (klass->open != NULL); if (g_once_init_enter (&check_once)) {
g_assert (klass->close != NULL); #if (!GST_MF_WINAPI_APP)
/* WinRT is not supported, always false */
ret = FALSE;
#else
#if (!GST_MF_WINAPI_DESKTOP)
/* WinRT is supported but desktop API was disabled,
* always true */
ret = TRUE;
#else
/* Both app and desktop APIs were enabled, check user choice */
{
const gchar *env;
CoInitializeEx (NULL, COINIT_MULTITHREADED); env = g_getenv ("GST_USE_MF_WINRT_CAPTURE");
if (env && g_str_has_prefix (env, "1"))
g_main_context_push_thread_default (priv->context); ret = TRUE;
else
source = g_idle_source_new (); ret = FALSE;
g_source_set_callback (source, }
(GSourceFunc) gst_mf_source_object_main_loop_running_cb, self, NULL); #endif
g_source_attach (source, priv->context); #endif
g_source_unref (source); g_once_init_leave (&check_once, 1);
if (!gst_mf_source_enum_device_activate (self,
priv->source_type, &activate_list)) {
GST_WARNING_OBJECT (self, "No available video capture device");
goto run_loop;
} }
#ifndef GST_DISABLE_GST_DEBUG
for (iter = activate_list; iter; iter = g_list_next (iter)) {
GstMFDeviceActivate *activate = (GstMFDeviceActivate *) iter->data;
GST_DEBUG_OBJECT (self, "device %d, name: \"%s\", path: \"%s\"", return ret;
activate->index, GST_STR_NULL (activate->name), }
GST_STR_NULL (activate->path));
GstMFSourceObject *
gst_mf_source_object_new (GstMFSourceType type, gint device_index,
const gchar * device_name, const gchar * device_path)
{
#if (!GST_MF_WINAPI_APP)
GST_INFO ("Try IMFSourceReader implementation");
return gst_mf_source_reader_new (type,
device_index, device_name, device_path);
#else
#if (!GST_MF_WINAPI_DESKTOP)
GST_INFO ("Try WinRT implementation");
return gst_mf_capture_winrt_new (type,
device_index, device_name, device_path);
#else
if (gst_mf_source_object_use_winrt_api ()) {
GST_INFO ("Both Desktop and WinRT APIs were enabled, user choice: WinRT");
return gst_mf_capture_winrt_new (type,
device_index, device_name, device_path);
} else {
GST_INFO
("Both Desktop and WinRT APIs were enabled, default: IMFSourceReader");
return gst_mf_source_reader_new (type,
device_index, device_name, device_path);
} }
#endif #endif
#endif
GST_DEBUG_OBJECT (self, g_assert_not_reached ();
"Requested device index: %d, name: \"%s\", path \"%s\"",
self->device_index, GST_STR_NULL (self->device_name),
GST_STR_NULL (self->device_path));
for (iter = activate_list; iter; iter = g_list_next (iter)) {
GstMFDeviceActivate *activate = (GstMFDeviceActivate *) iter->data;
gboolean match;
if (self->device_path) {
match = g_ascii_strcasecmp (activate->path, self->device_path) == 0;
} else if (self->device_name) {
match = g_ascii_strcasecmp (activate->name, self->device_name) == 0;
} else if (self->device_index >= 0) {
match = activate->index == self->device_index;
} else {
/* pick the first entry */
match = TRUE;
}
if (match) {
target = activate;
break;
}
}
if (target) {
self->opened = klass->open (self, target->handle);
g_free (self->device_path);
self->device_path = g_strdup (target->path);
g_free (self->device_name);
self->device_name = g_strdup (target->name);
self->device_index = target->index;
}
if (activate_list)
g_list_free_full (activate_list,
(GDestroyNotify) gst_mf_device_activate_free);
run_loop:
GST_TRACE_OBJECT (self, "Starting main loop");
g_main_loop_run (priv->loop);
GST_TRACE_OBJECT (self, "Stopped main loop");
klass->stop (self);
klass->close (self);
g_main_context_pop_thread_default (priv->context);
CoUninitialize ();
return NULL; return NULL;
} }
static gboolean
gst_mf_source_enum_device_activate (GstMFSourceObject * self,
GstMFSourceType source_type, GList ** device_sources)
{
HRESULT hr;
GList *ret = NULL;
IMFAttributes *attr = NULL;
IMFActivate **devices = NULL;
UINT32 i, count = 0;
hr = MFCreateAttributes (&attr, 1);
if (!gst_mf_result (hr)) {
return FALSE;
}
switch (source_type) {
case GST_MF_SOURCE_TYPE_VIDEO:
hr = IMFAttributes_SetGUID (attr, &MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE,
&MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID);
break;
default:
GST_ERROR_OBJECT (self, "Unknown source type %d", source_type);
return FALSE;
}
if (!gst_mf_result (hr))
return FALSE;
hr = MFEnumDeviceSources (attr, &devices, &count);
if (!gst_mf_result (hr)) {
IMFAttributes_Release (attr);
return FALSE;
}
for (i = 0; i < count; i++) {
GstMFDeviceActivate *entry;
LPWSTR name;
UINT32 name_len;
IMFActivate *activate = devices[i];
switch (source_type) {
case GST_MF_SOURCE_TYPE_VIDEO:
hr = IMFActivate_GetAllocatedString (activate,
&MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK,
&name, &name_len);
break;
default:
g_assert_not_reached ();
goto done;
}
entry = g_new0 (GstMFDeviceActivate, 1);
entry->index = i;
entry->handle = activate;
if (gst_mf_result (hr)) {
entry->path = g_utf16_to_utf8 ((const gunichar2 *) name,
-1, NULL, NULL, NULL);
CoTaskMemFree (name);
}
hr = IMFActivate_GetAllocatedString (activate,
&MF_DEVSOURCE_ATTRIBUTE_FRIENDLY_NAME, &name, &name_len);
if (gst_mf_result (hr)) {
entry->name = g_utf16_to_utf8 ((const gunichar2 *) name,
-1, NULL, NULL, NULL);
CoTaskMemFree (name);
}
ret = g_list_prepend (ret, entry);
}
done:
ret = g_list_reverse (ret);
CoTaskMemFree (devices);
*device_sources = ret;
return ! !ret;
}
static void
gst_mf_device_activate_free (GstMFDeviceActivate * activate)
{
g_return_if_fail (activate != NULL);
if (activate->handle)
IMFActivate_Release (activate->handle);
g_free (activate->name);
g_free (activate->path);
g_free (activate);
}
#endif

23
sys/mediafoundation/gstmfsourceobject.h
View file

@ -35,7 +35,6 @@ G_BEGIN_DECLS
typedef struct _GstMFSourceObject GstMFSourceObject; typedef struct _GstMFSourceObject GstMFSourceObject;
typedef struct _GstMFSourceObjectClass GstMFSourceObjectClass; typedef struct _GstMFSourceObjectClass GstMFSourceObjectClass;
typedef struct _GstMFSourceObjectPrivate GstMFSourceObjectPrivate;
typedef enum typedef enum
{ {
@ -45,40 +44,26 @@ typedef enum
#define GST_TYPE_MF_SOURCE_TYPE (gst_mf_source_type_get_type()) #define GST_TYPE_MF_SOURCE_TYPE (gst_mf_source_type_get_type())
GType gst_mf_source_type_get_type (void); GType gst_mf_source_type_get_type (void);
typedef struct
{
IMFActivate *handle;
guint index;
gchar *name;
gchar *path;
} GstMFDeviceActivate;
struct _GstMFSourceObject struct _GstMFSourceObject
{ {
GstObject parent; GstObject parent;
gboolean opened; gboolean opened;
GstMFSourceType source_type;
gchar *device_path; gchar *device_path;
gchar *device_name; gchar *device_name;
gint device_index; gint device_index;
GstMFSourceObjectPrivate *priv;
}; };
struct _GstMFSourceObjectClass struct _GstMFSourceObjectClass
{ {
GstObjectClass parent_class; GstObjectClass parent_class;
gboolean (*open) (GstMFSourceObject * object,
IMFActivate * activate);
gboolean (*start) (GstMFSourceObject * object); gboolean (*start) (GstMFSourceObject * object);
gboolean (*stop) (GstMFSourceObject * object); gboolean (*stop) (GstMFSourceObject * object);
gboolean (*close) (GstMFSourceObject * object);
GstFlowReturn (*fill) (GstMFSourceObject * object, GstFlowReturn (*fill) (GstMFSourceObject * object,
GstBuffer * buffer); GstBuffer * buffer);
@ -117,6 +102,12 @@ GstCaps * gst_mf_source_object_get_caps (GstMFSourceObject * object);
gboolean gst_mf_source_object_set_caps (GstMFSourceObject * object, gboolean gst_mf_source_object_set_caps (GstMFSourceObject * object,
GstCaps * caps); GstCaps * caps);
/* A factory method for subclass impl. selection */
GstMFSourceObject * gst_mf_source_object_new (GstMFSourceType type,
gint device_index,
const gchar * device_name,
const gchar * device_path);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstMFSourceObject, gst_object_unref) G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstMFSourceObject, gst_object_unref)
G_END_DECLS G_END_DECLS

254
sys/mediafoundation/gstmfsourcereader.cpp
View file

@ -49,11 +49,23 @@ typedef struct _GstMFStreamMediaType
GstCaps *caps; GstCaps *caps;
} GstMFStreamMediaType; } GstMFStreamMediaType;
typedef struct
{
IMFActivate *handle;
guint index;
gchar *name;
gchar *path;
} GstMFDeviceActivate;
struct _GstMFSourceReader struct _GstMFSourceReader
{ {
GstMFSourceObject parent; GstMFSourceObject parent;
GThread *thread;
GMutex lock; GMutex lock;
GCond cond;
GMainContext *context;
GMainLoop *loop;
/* protected by lock */ /* protected by lock */
GQueue *queue; GQueue *queue;
@ -69,13 +81,11 @@ struct _GstMFSourceReader
gboolean flushing; gboolean flushing;
}; };
static void gst_mf_source_reader_constructed (GObject * object);
static void gst_mf_source_reader_finalize (GObject * object); static void gst_mf_source_reader_finalize (GObject * object);
static gboolean gst_mf_source_reader_open (GstMFSourceObject * object,
IMFActivate * activate);
static gboolean gst_mf_source_reader_start (GstMFSourceObject * object); static gboolean gst_mf_source_reader_start (GstMFSourceObject * object);
static gboolean gst_mf_source_reader_stop (GstMFSourceObject * object); static gboolean gst_mf_source_reader_stop (GstMFSourceObject * object);
static gboolean gst_mf_source_reader_close (GstMFSourceObject * object);
static GstFlowReturn gst_mf_source_reader_fill (GstMFSourceObject * object, static GstFlowReturn gst_mf_source_reader_fill (GstMFSourceObject * object,
GstBuffer * buffer); GstBuffer * buffer);
static GstFlowReturn gst_mf_source_reader_create (GstMFSourceObject * object, static GstFlowReturn gst_mf_source_reader_create (GstMFSourceObject * object,
@ -86,6 +96,14 @@ static GstCaps * gst_mf_source_reader_get_caps (GstMFSourceObject * object);
static gboolean gst_mf_source_reader_set_caps (GstMFSourceObject * object, static gboolean gst_mf_source_reader_set_caps (GstMFSourceObject * object,
GstCaps * caps); GstCaps * caps);
static gboolean gst_mf_source_reader_open (GstMFSourceReader * object,
IMFActivate * activate);
static gboolean gst_mf_source_reader_close (GstMFSourceReader * object);
static gpointer gst_mf_source_reader_thread_func (GstMFSourceReader * self);
static gboolean gst_mf_source_enum_device_activate (GstMFSourceReader * self,
GstMFSourceType source_type, GList ** device_activates);
static void gst_mf_device_activate_free (GstMFDeviceActivate * activate);
#define gst_mf_source_reader_parent_class parent_class #define gst_mf_source_reader_parent_class parent_class
G_DEFINE_TYPE (GstMFSourceReader, gst_mf_source_reader, G_DEFINE_TYPE (GstMFSourceReader, gst_mf_source_reader,
GST_TYPE_MF_SOURCE_OBJECT); GST_TYPE_MF_SOURCE_OBJECT);
@ -96,12 +114,11 @@ gst_mf_source_reader_class_init (GstMFSourceReaderClass * klass)
GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstMFSourceObjectClass *source_class = GST_MF_SOURCE_OBJECT_CLASS (klass); GstMFSourceObjectClass *source_class = GST_MF_SOURCE_OBJECT_CLASS (klass);
gobject_class->constructed = gst_mf_source_reader_constructed;
gobject_class->finalize = gst_mf_source_reader_finalize; gobject_class->finalize = gst_mf_source_reader_finalize;
source_class->open = GST_DEBUG_FUNCPTR (gst_mf_source_reader_open);
source_class->start = GST_DEBUG_FUNCPTR (gst_mf_source_reader_start); source_class->start = GST_DEBUG_FUNCPTR (gst_mf_source_reader_start);
source_class->stop = GST_DEBUG_FUNCPTR (gst_mf_source_reader_stop); source_class->stop = GST_DEBUG_FUNCPTR (gst_mf_source_reader_stop);
source_class->close = GST_DEBUG_FUNCPTR (gst_mf_source_reader_close);
source_class->fill = GST_DEBUG_FUNCPTR (gst_mf_source_reader_fill); source_class->fill = GST_DEBUG_FUNCPTR (gst_mf_source_reader_fill);
source_class->create = GST_DEBUG_FUNCPTR (gst_mf_source_reader_create); source_class->create = GST_DEBUG_FUNCPTR (gst_mf_source_reader_create);
source_class->unlock = GST_DEBUG_FUNCPTR (gst_mf_source_reader_unlock); source_class->unlock = GST_DEBUG_FUNCPTR (gst_mf_source_reader_unlock);
@ -116,6 +133,24 @@ gst_mf_source_reader_init (GstMFSourceReader * self)
{ {
self->queue = g_queue_new (); self->queue = g_queue_new ();
g_mutex_init (&self->lock); g_mutex_init (&self->lock);
g_cond_init (&self->cond);
}
static void
gst_mf_source_reader_constructed (GObject * object)
{
GstMFSourceReader *self = GST_MF_SOURCE_READER (object);
self->context = g_main_context_new ();
self->loop = g_main_loop_new (self->context, FALSE);
/* Create a new thread to ensure that COM thread can be MTA thread */
g_mutex_lock (&self->lock);
self->thread = g_thread_new ("GstMFSourceReader",
(GThreadFunc) gst_mf_source_reader_thread_func, self);
while (!g_main_loop_is_running (self->loop))
g_cond_wait (&self->cond, &self->lock);
g_mutex_unlock (&self->lock);
} }
static gboolean static gboolean
@ -191,9 +226,8 @@ gst_mf_stream_media_type_free (GstMFStreamMediaType * media_type)
} }
static gboolean static gboolean
gst_mf_source_reader_open (GstMFSourceObject * object, IMFActivate * activate) gst_mf_source_reader_open (GstMFSourceReader * self, IMFActivate * activate)
{ {
GstMFSourceReader *self = GST_MF_SOURCE_READER (object);
GList *iter; GList *iter;
HRESULT hr; HRESULT hr;
ComPtr<IMFSourceReader> reader; ComPtr<IMFSourceReader> reader;
@ -243,10 +277,8 @@ gst_mf_source_reader_open (GstMFSourceObject * object, IMFActivate * activate)
} }
static gboolean static gboolean
gst_mf_source_reader_close (GstMFSourceObject * object) gst_mf_source_reader_close (GstMFSourceReader * self)
{ {
GstMFSourceReader *self = GST_MF_SOURCE_READER (object);
gst_clear_caps (&self->supported_caps); gst_clear_caps (&self->supported_caps);
if (self->media_types) { if (self->media_types) {
@ -274,8 +306,15 @@ gst_mf_source_reader_finalize (GObject * object)
{ {
GstMFSourceReader *self = GST_MF_SOURCE_READER (object); GstMFSourceReader *self = GST_MF_SOURCE_READER (object);
g_main_loop_quit (self->loop);
g_thread_join (self->thread);
g_main_loop_unref (self->loop);
g_main_context_unref (self->context);
g_queue_free (self->queue); g_queue_free (self->queue);
gst_clear_caps (&self->supported_caps);
g_mutex_clear (&self->lock); g_mutex_clear (&self->lock);
g_cond_clear (&self->cond);
G_OBJECT_CLASS (parent_class)->finalize (object); G_OBJECT_CLASS (parent_class)->finalize (object);
} }
@ -545,6 +584,201 @@ gst_mf_source_reader_set_caps (GstMFSourceObject * object, GstCaps * caps)
return TRUE; return TRUE;
} }
static gboolean
gst_mf_source_reader_main_loop_running_cb (GstMFSourceReader * self)
{
GST_INFO_OBJECT (self, "Main loop running now");
g_mutex_lock (&self->lock);
g_cond_signal (&self->cond);
g_mutex_unlock (&self->lock);
return G_SOURCE_REMOVE;
}
static gpointer
gst_mf_source_reader_thread_func (GstMFSourceReader * self)
{
GstMFSourceObject *object = GST_MF_SOURCE_OBJECT (self);
GSource *source;
GList *activate_list = NULL;
GstMFDeviceActivate *target = NULL;
GList *iter;
CoInitializeEx (NULL, COINIT_MULTITHREADED);
g_main_context_push_thread_default (self->context);
source = g_idle_source_new ();
g_source_set_callback (source,
(GSourceFunc) gst_mf_source_reader_main_loop_running_cb, self, NULL);
g_source_attach (source, self->context);
g_source_unref (source);
if (!gst_mf_source_enum_device_activate (self,
object->source_type, &activate_list)) {
GST_WARNING_OBJECT (self, "No available video capture device");
goto run_loop;
}
#ifndef GST_DISABLE_GST_DEBUG
for (iter = activate_list; iter; iter = g_list_next (iter)) {
GstMFDeviceActivate *activate = (GstMFDeviceActivate *) iter->data;
GST_DEBUG_OBJECT (self, "device %d, name: \"%s\", path: \"%s\"",
activate->index, GST_STR_NULL (activate->name),
GST_STR_NULL (activate->path));
}
#endif
GST_DEBUG_OBJECT (self,
"Requested device index: %d, name: \"%s\", path \"%s\"",
object->device_index, GST_STR_NULL (object->device_name),
GST_STR_NULL (object->device_path));
for (iter = activate_list; iter; iter = g_list_next (iter)) {
GstMFDeviceActivate *activate = (GstMFDeviceActivate *) iter->data;
gboolean match;
if (object->device_path) {
match = g_ascii_strcasecmp (activate->path, object->device_path) == 0;
} else if (object->device_name) {
match = g_ascii_strcasecmp (activate->name, object->device_name) == 0;
} else if (object->device_index >= 0) {
match = activate->index == object->device_index;
} else {
/* pick the first entry */
match = TRUE;
}
if (match) {
target = activate;
break;
}
}
if (target) {
object->opened = gst_mf_source_reader_open (self, target->handle);
g_free (object->device_path);
object->device_path = g_strdup (target->path);
g_free (object->device_name);
object->device_name = g_strdup (target->name);
object->device_index = target->index;
}
if (activate_list)
g_list_free_full (activate_list,
(GDestroyNotify) gst_mf_device_activate_free);
run_loop:
GST_DEBUG_OBJECT (self, "Starting main loop");
g_main_loop_run (self->loop);
GST_DEBUG_OBJECT (self, "Stopped main loop");
gst_mf_source_reader_stop (object);
gst_mf_source_reader_close (self);
g_main_context_pop_thread_default (self->context);
CoUninitialize ();
return NULL;
}
static gboolean
gst_mf_source_enum_device_activate (GstMFSourceReader * self,
GstMFSourceType source_type, GList ** device_sources)
{
HRESULT hr;
GList *ret = NULL;
ComPtr<IMFAttributes> attr;
IMFActivate **devices = NULL;
UINT32 i, count = 0;
hr = MFCreateAttributes (&attr, 1);
if (!gst_mf_result (hr)) {
return FALSE;
}
switch (source_type) {
case GST_MF_SOURCE_TYPE_VIDEO:
hr = attr->SetGUID (MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE,
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID);
break;
default:
GST_ERROR_OBJECT (self, "Unknown source type %d", source_type);
return FALSE;
}
if (!gst_mf_result (hr))
return FALSE;
hr = MFEnumDeviceSources (attr.Get (), &devices, &count);
if (!gst_mf_result (hr))
return FALSE;
for (i = 0; i < count; i++) {
GstMFDeviceActivate *entry;
LPWSTR name;
UINT32 name_len;
IMFActivate *activate = devices[i];
switch (source_type) {
case GST_MF_SOURCE_TYPE_VIDEO:
hr = activate->GetAllocatedString (
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_SYMBOLIC_LINK,
&name, &name_len);
break;
default:
g_assert_not_reached ();
goto done;
}
entry = g_new0 (GstMFDeviceActivate, 1);
entry->index = i;
entry->handle = activate;
if (gst_mf_result (hr)) {
entry->path = g_utf16_to_utf8 ((const gunichar2 *) name,
-1, NULL, NULL, NULL);
CoTaskMemFree (name);
}
hr = activate->GetAllocatedString (MF_DEVSOURCE_ATTRIBUTE_FRIENDLY_NAME,
&name, &name_len);
if (gst_mf_result (hr)) {
entry->name = g_utf16_to_utf8 ((const gunichar2 *) name,
-1, NULL, NULL, NULL);
CoTaskMemFree (name);
}
ret = g_list_prepend (ret, entry);
}
done:
ret = g_list_reverse (ret);
CoTaskMemFree (devices);
*device_sources = ret;
return ! !ret;
}
static void
gst_mf_device_activate_free (GstMFDeviceActivate * activate)
{
g_return_if_fail (activate != NULL);
if (activate->handle)
activate->handle->Release ();
g_free (activate->name);
g_free (activate->path);
g_free (activate);
}
GstMFSourceObject * GstMFSourceObject *
gst_mf_source_reader_new (GstMFSourceType type, gint device_index, gst_mf_source_reader_new (GstMFSourceType type, gint device_index,
const gchar * device_name, const gchar * device_path) const gchar * device_name, const gchar * device_path)

2
sys/mediafoundation/gstmfutils.cpp
View file

@ -569,7 +569,7 @@ gst_mf_guid_to_static_string (const GUID& guid)
/* WAVE_FORMAT_MPEG_ADTS_AAC */ /* WAVE_FORMAT_MPEG_ADTS_AAC */
GST_MF_IF_EQUAL_RETURN(guid, MFAudioFormat_ADTS); GST_MF_IF_EQUAL_RETURN(guid, MFAudioFormat_ADTS);
#if !GST_MF_WINAPI_ONLY_APP #if GST_MF_WINAPI_DESKTOP
GST_MF_IF_EQUAL_RETURN(guid, MF_MT_CUSTOM_VIDEO_PRIMARIES); GST_MF_IF_EQUAL_RETURN(guid, MF_MT_CUSTOM_VIDEO_PRIMARIES);
GST_MF_IF_EQUAL_RETURN(guid, MF_MT_AM_FORMAT_TYPE); GST_MF_IF_EQUAL_RETURN(guid, MF_MT_AM_FORMAT_TYPE);
GST_MF_IF_EQUAL_RETURN(guid, MF_MT_ARBITRARY_HEADER); GST_MF_IF_EQUAL_RETURN(guid, MF_MT_ARBITRARY_HEADER);

15
sys/mediafoundation/gstmfvideosrc.c
View file

@ -42,17 +42,13 @@
#include "gstmfvideosrc.h" #include "gstmfvideosrc.h"
#include "gstmfutils.h" #include "gstmfutils.h"
#if GST_MF_WINAPI_ONLY_APP #include "gstmfsourceobject.h"
#include "gstmfcapturewinrt.h"
#else /* GST_MF_WINAPI_ONLY_APP */
#include "gstmfsourcereader.h"
#endif /* !GST_MF_WINAPI_ONLY_APP */
#include <string.h> #include <string.h>
GST_DEBUG_CATEGORY (gst_mf_video_src_debug); GST_DEBUG_CATEGORY (gst_mf_video_src_debug);
#define GST_CAT_DEFAULT gst_mf_video_src_debug #define GST_CAT_DEFAULT gst_mf_video_src_debug
#if GST_MF_WINAPI_ONLY_APP #if (GST_MF_WINAPI_APP && !GST_MF_WINAPI_DESKTOP)
/* FIXME: need support JPEG for UWP */ /* FIXME: need support JPEG for UWP */
#define SRC_TEMPLATE_CAPS \ #define SRC_TEMPLATE_CAPS \
GST_VIDEO_CAPS_MAKE (GST_MF_VIDEO_FORMATS) GST_VIDEO_CAPS_MAKE (GST_MF_VIDEO_FORMATS)
@ -242,13 +238,8 @@ gst_mf_video_src_start (GstBaseSrc * src)
GST_DEBUG_OBJECT (self, "Start"); GST_DEBUG_OBJECT (self, "Start");
#if GST_MF_WINAPI_ONLY_APP self->source = gst_mf_source_object_new (GST_MF_SOURCE_TYPE_VIDEO,
self->source = gst_mf_capture_winrt_new (GST_MF_SOURCE_TYPE_VIDEO,
self->device_index, self->device_name, self->device_path); self->device_index, self->device_name, self->device_path);
#else /* GST_MF_WINAPI_ONLY_APP */
self->source = gst_mf_source_reader_new (GST_MF_SOURCE_TYPE_VIDEO,
self->device_index, self->device_name, self->device_path);
#endif /* GST_MF_WINAPI_ONLY_APP */
self->first_pts = GST_CLOCK_TIME_NONE; self->first_pts = GST_CLOCK_TIME_NONE;
self->n_frames = 0; self->n_frames = 0;

20
sys/mediafoundation/meson.build
View file

@ -89,7 +89,7 @@ winapi_desktop = cxx.compiles('''#include <winapifamily.h>
#error "not win32" #error "not win32"
#endif''', #endif''',
dependencies: mf_lib_deps, dependencies: mf_lib_deps,
name: 'checking if building for Win32') name: 'building for Win32')
if runtimeobject_lib.found() if runtimeobject_lib.found()
winapi_app = cxx.compiles('''#include <winapifamily.h> winapi_app = cxx.compiles('''#include <winapifamily.h>
@ -97,24 +97,32 @@ if runtimeobject_lib.found()
#include <wrl.h> #include <wrl.h>
#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
#error "not winrt" #error "not winrt"
#endif
#ifndef WINVER
#error "unknown minimum supported OS version"
#endif
#if (WINVER < 0x0A00)
#error "Windows 10 API is not guaranteed"
#endif''', #endif''',
dependencies: [mf_lib_deps, runtimeobject_lib], dependencies: [mf_lib_deps, runtimeobject_lib],
name: 'checking if building for WinRT') name: 'building for WinRT')
endif endif
if not winapi_desktop and not winapi_app if not winapi_desktop and not winapi_app
error('Neither Desktop partition nor App partition') error('Neither Desktop partition nor App partition')
endif endif
winapi_app_only = winapi_app and not winapi_desktop if winapi_app
if winapi_app_only
mf_sources += mf_app_sources mf_sources += mf_app_sources
mf_lib_deps += [runtimeobject_lib] mf_lib_deps += [runtimeobject_lib]
else endif
if winapi_desktop
mf_sources += mf_desktop_sources mf_sources += mf_desktop_sources
endif endif
mf_config.set10('GST_MF_WINAPI_ONLY_APP', winapi_app_only) mf_config.set10('GST_MF_WINAPI_APP', winapi_app)
mf_config.set10('GST_MF_WINAPI_DESKTOP', winapi_desktop)
configure_file( configure_file(
output: 'gstmfconfig.h', output: 'gstmfconfig.h',

2
sys/mediafoundation/plugin.c
View file

@ -70,7 +70,7 @@ plugin_init (GstPlugin * plugin)
} }
/* mfvideosrc should be primary rank for UWP */ /* mfvideosrc should be primary rank for UWP */
#if GST_MF_WINAPI_ONLY_APP #if (GST_MF_WINAPI_APP && !GST_MF_WINAPI_DESKTOP)
rank = GST_RANK_PRIMARY + 1; rank = GST_RANK_PRIMARY + 1;
#endif #endif