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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0a65aaa6d2
Make swapchian's display format configurable, since some DXGI formats we can use for swapchain are not API interop compatible. For instance, BGRA format should be used for Direct2D interop. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2923>
228 lines
8.6 KiB
C
228 lines
8.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_D3D11_WINDOW_H__
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#define __GST_D3D11_WINDOW_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/d3d11/gstd3d11.h>
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#include "gstd3d11overlaycompositor.h"
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#include "gstd3d11pluginutils.h"
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G_BEGIN_DECLS
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#define GST_TYPE_D3D11_WINDOW (gst_d3d11_window_get_type())
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#define GST_D3D11_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_D3D11_WINDOW, GstD3D11Window))
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#define GST_D3D11_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_D3D11_WINDOW, GstD3D11WindowClass))
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#define GST_IS_D3D11_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D11_WINDOW))
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#define GST_IS_D3D11_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_D3D11_WINDOW))
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#define GST_D3D11_WINDOW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_D3D11_WINDOW, GstD3D11WindowClass))
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#define GST_D3D11_WINDOW_TOGGLE_MODE_GET_TYPE (gst_d3d11_window_fullscreen_toggle_mode_type())
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typedef struct _GstD3D11Window GstD3D11Window;
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typedef struct _GstD3D11WindowClass GstD3D11WindowClass;
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#define GST_D3D11_WINDOW_FLOW_CLOSED GST_FLOW_CUSTOM_ERROR
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typedef enum
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{
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GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE = 0,
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GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_ALT_ENTER = (1 << 1),
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GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_PROPERTY = (1 << 2),
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} GstD3D11WindowFullscreenToggleMode;
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GType gst_d3d11_window_fullscreen_toggle_mode_type (void);
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typedef enum
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{
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GST_D3D11_WINDOW_NATIVE_TYPE_NONE = 0,
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GST_D3D11_WINDOW_NATIVE_TYPE_HWND,
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GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW,
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GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL,
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} GstD3D11WindowNativeType;
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typedef struct
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{
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HANDLE shared_handle;
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guint texture_misc_flags;
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guint64 acquire_key;
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guint64 release_key;
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GstBuffer *render_target;
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IDXGIKeyedMutex *keyed_mutex;
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} GstD3D11WindowSharedHandleData;
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struct _GstD3D11Window
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{
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GstObject parent;
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/*< protected >*/
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gboolean initialized;
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GstD3D11Device *device;
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guintptr external_handle;
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/* properties */
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gboolean force_aspect_ratio;
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gboolean enable_navigation_events;
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GstD3D11WindowFullscreenToggleMode fullscreen_toggle_mode;
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gboolean requested_fullscreen;
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gboolean fullscreen;
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gboolean emit_present;
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GstVideoInfo info;
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GstVideoInfo render_info;
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GstD3D11Converter *converter;
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GstD3D11OverlayCompositor *compositor;
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/* calculated rect with aspect ratio and window area */
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RECT render_rect;
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/* input resolution */
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RECT input_rect;
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RECT prev_input_rect;
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/* requested rect via gst_d3d11_window_render */
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GstVideoRectangle rect;
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guint surface_width;
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guint surface_height;
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IDXGISwapChain *swap_chain;
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GstBuffer *backbuffer;
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DXGI_FORMAT dxgi_format;
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GstBuffer *cached_buffer;
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gboolean first_present;
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gboolean allow_tearing;
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GstVideoOrientationMethod method;
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};
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struct _GstD3D11WindowClass
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{
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GstObjectClass object_class;
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void (*show) (GstD3D11Window * window);
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void (*update_swap_chain) (GstD3D11Window * window);
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void (*change_fullscreen_mode) (GstD3D11Window * window);
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gboolean (*create_swap_chain) (GstD3D11Window * window,
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DXGI_FORMAT format,
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guint width,
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guint height,
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guint swapchain_flags,
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IDXGISwapChain ** swap_chain);
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GstFlowReturn (*present) (GstD3D11Window * window,
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guint present_flags);
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gboolean (*unlock) (GstD3D11Window * window);
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gboolean (*unlock_stop) (GstD3D11Window * window);
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void (*on_resize) (GstD3D11Window * window,
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guint width,
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guint height);
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gboolean (*prepare) (GstD3D11Window * window,
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guint display_width,
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guint display_height,
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GstCaps * caps,
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GstStructure * config,
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DXGI_FORMAT display_format,
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GError ** error);
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void (*unprepare) (GstD3D11Window * window);
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gboolean (*open_shared_handle) (GstD3D11Window * window,
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GstD3D11WindowSharedHandleData * data);
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gboolean (*release_shared_handle) (GstD3D11Window * window,
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GstD3D11WindowSharedHandleData * data);
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void (*set_render_rectangle) (GstD3D11Window * window,
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const GstVideoRectangle * rect);
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void (*set_title) (GstD3D11Window * window,
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const gchar *title);
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};
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GType gst_d3d11_window_get_type (void);
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void gst_d3d11_window_show (GstD3D11Window * window);
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void gst_d3d11_window_set_render_rectangle (GstD3D11Window * window,
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const GstVideoRectangle * rect);
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void gst_d3d11_window_set_title (GstD3D11Window * window,
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const gchar *title);
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void gst_d3d11_window_set_orientation (GstD3D11Window * window,
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GstVideoOrientationMethod method);
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gboolean gst_d3d11_window_prepare (GstD3D11Window * window,
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guint display_width,
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guint display_height,
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GstCaps * caps,
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GstStructure * config,
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DXGI_FORMAT display_format,
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GError ** error);
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GstFlowReturn gst_d3d11_window_render (GstD3D11Window * window,
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GstBuffer * buffer);
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GstFlowReturn gst_d3d11_window_render_on_shared_handle (GstD3D11Window * window,
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GstBuffer * buffer,
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HANDLE shared_handle,
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guint texture_misc_flags,
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guint64 acquire_key,
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guint64 release_key);
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gboolean gst_d3d11_window_unlock (GstD3D11Window * window);
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gboolean gst_d3d11_window_unlock_stop (GstD3D11Window * window);
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void gst_d3d11_window_unprepare (GstD3D11Window * window);
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void gst_d3d11_window_on_key_event (GstD3D11Window * window,
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const gchar * event,
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const gchar * key);
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void gst_d3d11_window_on_mouse_event (GstD3D11Window * window,
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const gchar * event,
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gint button,
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gdouble x,
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gdouble y);
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/* utils */
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GstD3D11WindowNativeType gst_d3d11_window_get_native_type_from_handle (guintptr handle);
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const gchar * gst_d3d11_window_get_native_type_to_string (GstD3D11WindowNativeType type);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstD3D11Window, gst_object_unref)
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G_END_DECLS
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#endif /* __GST_D3D11_WINDOW_H__ */
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