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142 lines
3.8 KiB
C
142 lines
3.8 KiB
C
/*
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* gstvaapiwindow_drm.c - VA/DRM window abstraction
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*
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* Copyright (C) 2012-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.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 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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/**
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* SECTION:gstvaapiwindow_drm
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* @short_description: VA/DRM dummy window abstraction
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*/
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#include "sysdeps.h"
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#include "gstvaapiwindow_drm.h"
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#include "gstvaapiwindow_priv.h"
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#include "gstvaapidisplay_drm_priv.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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typedef struct _GstVaapiWindowDRMClass GstVaapiWindowDRMClass;
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/**
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* GstVaapiWindowDRM:
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*
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* A dummy DRM window abstraction.
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*/
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struct _GstVaapiWindowDRM
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{
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/*< private >*/
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GstVaapiWindow parent_instance;
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};
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/**
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* GstVaapiWindowDRMClass:
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*
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* A dummy DRM window abstraction class.
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*/
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struct _GstVaapiWindowDRMClass
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{
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/*< private >*/
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GstVaapiWindowClass parent_instance;
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};
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static gboolean
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gst_vaapi_window_drm_show (GstVaapiWindow * window)
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{
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return TRUE;
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}
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static gboolean
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gst_vaapi_window_drm_hide (GstVaapiWindow * window)
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{
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return TRUE;
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}
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static gboolean
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gst_vaapi_window_drm_create (GstVaapiWindow * window,
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guint * width, guint * height)
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{
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return TRUE;
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}
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static gboolean
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gst_vaapi_window_drm_resize (GstVaapiWindow * window, guint width, guint height)
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{
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return TRUE;
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}
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static gboolean
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gst_vaapi_window_drm_render (GstVaapiWindow * window,
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GstVaapiSurface * surface,
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const GstVaapiRectangle * src_rect,
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const GstVaapiRectangle * dst_rect, guint flags)
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{
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return TRUE;
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}
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void
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gst_vaapi_window_drm_class_init (GstVaapiWindowDRMClass * klass)
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{
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GstVaapiWindowClass *const window_class = GST_VAAPI_WINDOW_CLASS (klass);
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window_class->create = gst_vaapi_window_drm_create;
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window_class->show = gst_vaapi_window_drm_show;
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window_class->hide = gst_vaapi_window_drm_hide;
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window_class->resize = gst_vaapi_window_drm_resize;
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window_class->render = gst_vaapi_window_drm_render;
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}
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static void
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gst_vaapi_window_drm_finalize (GstVaapiWindowDRM * window)
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{
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}
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GST_VAAPI_OBJECT_DEFINE_CLASS_WITH_CODE (GstVaapiWindowDRM,
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gst_vaapi_window_drm, gst_vaapi_window_drm_class_init (&g_class));
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/**
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* gst_vaapi_window_drm_new:
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* @display: a #GstVaapiDisplay
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* @width: the requested window width, in pixels (unused)
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* @height: the requested windo height, in pixels (unused)
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*
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* Creates a dummy window. The window will be attached to the @display.
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* All rendering functions will return success since VA/DRM is a
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* renderless API.
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*
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* Note: this dummy window object is only necessary to fulfill cases
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* where the client application wants to automatically determine the
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* best display to use for the current system. As such, it provides
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* utility functions with the same API (function arguments) to help
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* implement uniform function tables.
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*
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* Return value: the newly allocated #GstVaapiWindow object
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*/
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GstVaapiWindow *
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gst_vaapi_window_drm_new (GstVaapiDisplay * display, guint width, guint height)
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{
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GST_DEBUG ("new window, size %ux%u", width, height);
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g_return_val_if_fail (GST_VAAPI_IS_DISPLAY_DRM (display), NULL);
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return
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gst_vaapi_window_new (GST_VAAPI_WINDOW_CLASS (gst_vaapi_window_drm_class
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()), display, width, height);
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}
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