gstreamer/sys/d3d11/gstd3d11window.h
2021-03-25 14:43:54 +00:00

223 lines
8.4 KiB
C

/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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_D3D11_WINDOW_H__
#define __GST_D3D11_WINDOW_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/d3d11/gstd3d11.h>
#include "gstd3d11converter.h"
#include "gstd3d11overlaycompositor.h"
#include "gstd3d11videoprocessor.h"
#include "gstd3d11pluginutils.h"
G_BEGIN_DECLS
#define GST_TYPE_D3D11_WINDOW (gst_d3d11_window_get_type())
#define GST_D3D11_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_D3D11_WINDOW, GstD3D11Window))
#define GST_D3D11_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_D3D11_WINDOW, GstD3D11WindowClass))
#define GST_IS_D3D11_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D11_WINDOW))
#define GST_IS_D3D11_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_D3D11_WINDOW))
#define GST_D3D11_WINDOW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_D3D11_WINDOW, GstD3D11WindowClass))
#define GST_D3D11_WINDOW_TOGGLE_MODE_GET_TYPE (gst_d3d11_window_fullscreen_toggle_mode_type())
typedef struct _GstD3D11Window GstD3D11Window;
typedef struct _GstD3D11WindowClass GstD3D11WindowClass;
#define GST_D3D11_WINDOW_FLOW_CLOSED GST_FLOW_CUSTOM_ERROR
typedef enum
{
GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE = 0,
GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_ALT_ENTER = (1 << 1),
GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_PROPERTY = (1 << 2),
} GstD3D11WindowFullscreenToggleMode;
GType gst_d3d11_window_fullscreen_toggle_mode_type (void);
typedef enum
{
GST_D3D11_WINDOW_NATIVE_TYPE_NONE = 0,
GST_D3D11_WINDOW_NATIVE_TYPE_HWND,
GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW,
GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL,
} GstD3D11WindowNativeType;
typedef struct
{
HANDLE shared_handle;
guint texture_misc_flags;
guint64 acquire_key;
guint64 release_key;
ID3D11Texture2D *texture;
IDXGIKeyedMutex *keyed_mutex;
ID3D11VideoProcessorOutputView *pov;
ID3D11RenderTargetView *rtv;
ID3D11VideoProcessorOutputView *fallback_pov;
ID3D11RenderTargetView *fallback_rtv;
} GstD3D11WindowSharedHandleData;
struct _GstD3D11Window
{
GstObject parent;
/*< protected >*/
gboolean initialized;
GstD3D11Device *device;
guintptr external_handle;
/* properties */
gboolean force_aspect_ratio;
gboolean enable_navigation_events;
GstD3D11WindowFullscreenToggleMode fullscreen_toggle_mode;
gboolean requested_fullscreen;
gboolean fullscreen;
gboolean render_stats;
GstVideoInfo info;
GstVideoInfo render_info;
GstD3D11VideoProcessor *processor;
GstD3D11Converter *converter;
GstD3D11OverlayCompositor *compositor;
gboolean processor_in_use;
/* calculated rect with aspect ratio and window area */
RECT render_rect;
/* input resolution */
RECT input_rect;
/* requested rect via gst_d3d11_window_render */
GstVideoRectangle rect;
guint surface_width;
guint surface_height;
IDXGISwapChain *swap_chain;
ID3D11RenderTargetView *rtv;
ID3D11VideoProcessorOutputView *pov;
DXGI_FORMAT dxgi_format;
GstBuffer *cached_buffer;
gboolean first_present;
gboolean allow_tearing;
};
struct _GstD3D11WindowClass
{
GstObjectClass object_class;
void (*show) (GstD3D11Window * window);
void (*update_swap_chain) (GstD3D11Window * window);
void (*change_fullscreen_mode) (GstD3D11Window * window);
gboolean (*create_swap_chain) (GstD3D11Window * window,
DXGI_FORMAT format,
guint width,
guint height,
guint swapchain_flags,
IDXGISwapChain ** swap_chain);
GstFlowReturn (*present) (GstD3D11Window * window,
guint present_flags);
gboolean (*unlock) (GstD3D11Window * window);
gboolean (*unlock_stop) (GstD3D11Window * window);
void (*on_resize) (GstD3D11Window * window,
guint width,
guint height);
gboolean (*prepare) (GstD3D11Window * window,
guint display_width,
guint display_height,
GstCaps * caps,
gboolean * video_processor_available,
GError ** error);
void (*unprepare) (GstD3D11Window * window);
gboolean (*open_shared_handle) (GstD3D11Window * window,
GstD3D11WindowSharedHandleData * data);
gboolean (*release_shared_handle) (GstD3D11Window * window,
GstD3D11WindowSharedHandleData * data);
};
GType gst_d3d11_window_get_type (void);
void gst_d3d11_window_show (GstD3D11Window * window);
void gst_d3d11_window_set_render_rectangle (GstD3D11Window * window,
gint x, gint y,
gint width, gint height);
gboolean gst_d3d11_window_prepare (GstD3D11Window * window,
guint display_width,
guint display_height,
GstCaps * caps,
gboolean * video_processor_available,
GError ** error);
GstFlowReturn gst_d3d11_window_render (GstD3D11Window * window,
GstBuffer * buffer,
GstVideoRectangle * src_rect);
GstFlowReturn gst_d3d11_window_render_on_shared_handle (GstD3D11Window * window,
GstBuffer * buffer,
HANDLE shared_handle,
guint texture_misc_flags,
guint64 acquire_key,
guint64 release_key);
gboolean gst_d3d11_window_unlock (GstD3D11Window * window);
gboolean gst_d3d11_window_unlock_stop (GstD3D11Window * window);
void gst_d3d11_window_unprepare (GstD3D11Window * window);
void gst_d3d11_window_on_key_event (GstD3D11Window * window,
const gchar * event,
const gchar * key);
void gst_d3d11_window_on_mouse_event (GstD3D11Window * window,
const gchar * event,
gint button,
gdouble x,
gdouble y);
/* utils */
GstD3D11WindowNativeType gst_d3d11_window_get_native_type_from_handle (guintptr handle);
const gchar * gst_d3d11_window_get_native_type_to_string (GstD3D11WindowNativeType type);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstD3D11Window, gst_object_unref)
G_END_DECLS
#endif /* __GST_D3D11_WINDOW_H__ */