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167 lines
5 KiB
C
167 lines
5 KiB
C
/*
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* gstvaapidisplay.h - VA display abstraction
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*
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* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, 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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#ifdef GST_VAAPI_USE_OLD_VAAPI_0_29
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# include <va.h>
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#else
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# include <va/va.h>
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#endif
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#include <gst/gst.h>
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#include <gst/vaapi/gstvaapiimageformat.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 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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* 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 #VADisplay
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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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VADisplay (*get_display) (GstVaapiDisplay *display);
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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);
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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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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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gboolean
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gst_vaapi_display_has_profile(GstVaapiDisplay *display, VAProfile profile);
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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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G_END_DECLS
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#endif /* GST_VAAPI_DISPLAY_H */
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