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a503aaf9b9
The VA display attributes are mapped to properties so that to maintain the GStreamer terminology. Properties are to be identified by name, but internal functions are available to lookup the property by the actual VA display attribute type.
226 lines
6.7 KiB
C
226 lines
6.7 KiB
C
/*
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* gstvaapidisplay.h - VA display abstraction
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011-2012 Intel Corporation
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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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_DISPLAY_H
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#define GST_VAAPI_DISPLAY_H
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#include <va/va.h>
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#include <gst/gst.h>
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#include <gst/vaapi/gstvaapiimageformat.h>
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#include <gst/vaapi/gstvaapiprofile.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_DISPLAY \
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(gst_vaapi_display_get_type())
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#define GST_VAAPI_DISPLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_DISPLAY, \
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GstVaapiDisplay))
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#define GST_VAAPI_DISPLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_DISPLAY, \
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GstVaapiDisplayClass))
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#define GST_VAAPI_IS_DISPLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DISPLAY))
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#define GST_VAAPI_IS_DISPLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DISPLAY))
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#define GST_VAAPI_DISPLAY_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_DISPLAY, \
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GstVaapiDisplayClass))
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typedef enum _GstVaapiDisplayType GstVaapiDisplayType;
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typedef struct _GstVaapiDisplayInfo GstVaapiDisplayInfo;
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typedef struct _GstVaapiDisplay GstVaapiDisplay;
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typedef struct _GstVaapiDisplayPrivate GstVaapiDisplayPrivate;
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typedef struct _GstVaapiDisplayClass GstVaapiDisplayClass;
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/**
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* GstVaapiDisplayType:
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* @GST_VAAPI_DISPLAY_TYPE_ANY: Automatic detection of the display type.
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* @GST_VAAPI_DISPLAY_TYPE_X11: VA/X11 display.
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* @GST_VAAPI_DISPLAY_TYPE_GLX: VA/GLX display.
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* @GST_VAAPI_DISPLAY_TYPE_WAYLAND: VA/Wayland display.
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* @GST_VAAPI_DISPLAY_TYPE_DRM: VA/DRM display.
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*/
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enum _GstVaapiDisplayType {
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GST_VAAPI_DISPLAY_TYPE_ANY = 0,
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GST_VAAPI_DISPLAY_TYPE_X11,
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GST_VAAPI_DISPLAY_TYPE_GLX,
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GST_VAAPI_DISPLAY_TYPE_WAYLAND,
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GST_VAAPI_DISPLAY_TYPE_DRM,
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};
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#define GST_VAAPI_TYPE_DISPLAY_TYPE \
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(gst_vaapi_display_type_get_type())
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GType
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gst_vaapi_display_type_get_type(void) G_GNUC_CONST;
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/**
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* GstVaapiDisplayInfo:
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*
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* Generic class to retrieve VA display info
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*/
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struct _GstVaapiDisplayInfo {
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GstVaapiDisplay *display;
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GstVaapiDisplayType display_type;
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gchar *display_name;
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VADisplay va_display;
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gpointer native_display;
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};
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/**
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* GstVaapiDisplay:
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*
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* Base class for VA displays.
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*/
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struct _GstVaapiDisplay {
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/*< private >*/
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GObject parent_instance;
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GstVaapiDisplayPrivate *priv;
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};
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/**
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* GstVaapiDisplayClass:
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* @open_display: virtual function to open a display
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* @close_display: virtual function to close a display
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* @lock: (optional) virtual function to lock a display
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* @unlock: (optional) virtual function to unlock a display
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* @sync: (optional) virtual function to sync a display
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* @flush: (optional) virtual function to flush pending requests of a display
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* @get_display: virtual function to retrieve the #GstVaapiDisplayInfo
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* @get_size: virtual function to retrieve the display dimensions, in pixels
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* @get_size_mm: virtual function to retrieve the display dimensions, in millimeters
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*
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* Base class for VA displays.
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*/
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struct _GstVaapiDisplayClass {
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/*< private >*/
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GObjectClass parent_class;
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/*< public >*/
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gboolean (*open_display) (GstVaapiDisplay *display);
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void (*close_display) (GstVaapiDisplay *display);
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void (*lock) (GstVaapiDisplay *display);
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void (*unlock) (GstVaapiDisplay *display);
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void (*sync) (GstVaapiDisplay *display);
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void (*flush) (GstVaapiDisplay *display);
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gboolean (*get_display) (GstVaapiDisplay *display,
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GstVaapiDisplayInfo *info);
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void (*get_size) (GstVaapiDisplay *display,
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guint *pwidth, guint *pheight);
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void (*get_size_mm) (GstVaapiDisplay *display,
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guint *pwidth, guint *pheight);
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};
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GType
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gst_vaapi_display_get_type(void) G_GNUC_CONST;
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GstVaapiDisplay *
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gst_vaapi_display_new_with_display(VADisplay va_display);
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void
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gst_vaapi_display_lock(GstVaapiDisplay *display);
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void
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gst_vaapi_display_unlock(GstVaapiDisplay *display);
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void
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gst_vaapi_display_sync(GstVaapiDisplay *display);
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void
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gst_vaapi_display_flush(GstVaapiDisplay *display);
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GstVaapiDisplayType
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gst_vaapi_display_get_display_type(GstVaapiDisplay *display);
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VADisplay
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gst_vaapi_display_get_display(GstVaapiDisplay *display);
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guint
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gst_vaapi_display_get_width(GstVaapiDisplay *display);
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guint
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gst_vaapi_display_get_height(GstVaapiDisplay *display);
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void
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gst_vaapi_display_get_size(GstVaapiDisplay *display, guint *pwidth, guint *pheight);
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void
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gst_vaapi_display_get_pixel_aspect_ratio(
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GstVaapiDisplay *display,
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guint *par_n,
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guint *par_d
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);
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GstCaps *
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gst_vaapi_display_get_decode_caps(GstVaapiDisplay *display);
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gboolean
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gst_vaapi_display_has_decoder(
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GstVaapiDisplay *display,
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GstVaapiProfile profile,
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GstVaapiEntrypoint entrypoint
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);
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GstCaps *
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gst_vaapi_display_get_encode_caps(GstVaapiDisplay *display);
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gboolean
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gst_vaapi_display_has_encoder(
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GstVaapiDisplay *display,
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GstVaapiProfile profile,
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GstVaapiEntrypoint entrypoint
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);
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GstCaps *
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gst_vaapi_display_get_image_caps(GstVaapiDisplay *display);
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gboolean
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gst_vaapi_display_has_image_format(
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GstVaapiDisplay *display,
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GstVaapiImageFormat format
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);
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GstCaps *
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gst_vaapi_display_get_subpicture_caps(GstVaapiDisplay *display);
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gboolean
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gst_vaapi_display_has_subpicture_format(
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GstVaapiDisplay *display,
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GstVaapiImageFormat format
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);
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gboolean
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gst_vaapi_display_has_property(GstVaapiDisplay *display, const gchar *name);
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G_END_DECLS
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#endif /* GST_VAAPI_DISPLAY_H */
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