gstreamer/sys/mediafoundation/gstmfsourceobject.h
Seungha Yang a43d6f6cd9 mfvideosrc: Enable WinRT capture impl. for desktop target
... 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>
2020-07-14 16:59:06 +00:00

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C

/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_MF_SOURCE_OBJECT_H__
#define __GST_MF_SOURCE_OBJECT_H__
#include <gst/gst.h>
#include "gstmfutils.h"
G_BEGIN_DECLS
#define GST_TYPE_MF_SOURCE_OBJECT (gst_mf_source_object_get_type())
#define GST_MF_SOURCE_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObject))
#define GST_MF_SOURCE_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObjectClass))
#define GST_IS_MF_SOURCE_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_MF_SOURCE_OBJECT))
#define GST_IS_MF_SOURCE_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_MF_SOURCE_OBJECT))
#define GST_MF_SOURCE_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObjectClass))
typedef struct _GstMFSourceObject GstMFSourceObject;
typedef struct _GstMFSourceObjectClass GstMFSourceObjectClass;
typedef enum
{
GST_MF_SOURCE_TYPE_VIDEO,
} GstMFSourceType;
#define GST_TYPE_MF_SOURCE_TYPE (gst_mf_source_type_get_type())
GType gst_mf_source_type_get_type (void);
struct _GstMFSourceObject
{
GstObject parent;
gboolean opened;
GstMFSourceType source_type;
gchar *device_path;
gchar *device_name;
gint device_index;
};
struct _GstMFSourceObjectClass
{
GstObjectClass parent_class;
gboolean (*start) (GstMFSourceObject * object);
gboolean (*stop) (GstMFSourceObject * object);
GstFlowReturn (*fill) (GstMFSourceObject * object,
GstBuffer * buffer);
GstFlowReturn (*create) (GstMFSourceObject * object,
GstBuffer ** buffer);
gboolean (*unlock) (GstMFSourceObject * object);
gboolean (*unlock_stop) (GstMFSourceObject * object);
GstCaps * (*get_caps) (GstMFSourceObject * object);
gboolean (*set_caps) (GstMFSourceObject * object,
GstCaps * caps);
};
GType gst_mf_source_object_get_type (void);
gboolean gst_mf_source_object_start (GstMFSourceObject * object);
gboolean gst_mf_source_object_stop (GstMFSourceObject * object);
/* Used for raw format */
GstFlowReturn gst_mf_source_object_fill (GstMFSourceObject * object,
GstBuffer * buffer);
/* Used for compressed/raw format */
GstFlowReturn gst_mf_source_object_create (GstMFSourceObject * object,
GstBuffer ** buffer);
void gst_mf_source_object_set_flushing (GstMFSourceObject * object,
gboolean flushing);
GstCaps * gst_mf_source_object_get_caps (GstMFSourceObject * object);
gboolean gst_mf_source_object_set_caps (GstMFSourceObject * object,
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_END_DECLS
#endif /* __GST_MF_SOURCE_OBJECT_H__ */