gstreamer/gst-libs/gst/vaapi/gstvaapiwindow_drm.c

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2012-08-01 13:44:02 +00:00
/*
* gstvaapiwindow_drm.c - VA/DRM window abstraction
*
* Copyright (C) 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:gstvaapiwindow_drm
* @short_description: VA/DRM dummy window abstraction
*/
#include "sysdeps.h"
#include "gstvaapiwindow_drm.h"
#define DEBUG 1
#include "gstvaapidebug.h"
G_DEFINE_TYPE(GstVaapiWindowDRM,
gst_vaapi_window_drm,
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GST_VAAPI_TYPE_WINDOW)
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static gboolean
gst_vaapi_window_drm_show(GstVaapiWindow *window)
{
return TRUE;
}
static gboolean
gst_vaapi_window_drm_hide(GstVaapiWindow *window)
{
return TRUE;
}
static gboolean
gst_vaapi_window_drm_create(
GstVaapiWindow *window,
guint *width,
guint *height
)
{
return TRUE;
}
static void
gst_vaapi_window_drm_destroy(GstVaapiWindow * window)
{
}
static gboolean
gst_vaapi_window_drm_resize(
GstVaapiWindow * window,
guint width,
guint height
)
{
return TRUE;
}
static gboolean
gst_vaapi_window_drm_render(
GstVaapiWindow *window,
GstVaapiSurface *surface,
const GstVaapiRectangle *src_rect,
const GstVaapiRectangle *dst_rect,
guint flags
)
{
return TRUE;
}
static void
gst_vaapi_window_drm_finalize(GObject *object)
{
G_OBJECT_CLASS(gst_vaapi_window_drm_parent_class)->finalize(object);
}
static void
gst_vaapi_window_drm_constructed(GObject *object)
{
GObjectClass *parent_class;
parent_class = G_OBJECT_CLASS(gst_vaapi_window_drm_parent_class);
if (parent_class->constructed)
parent_class->constructed(object);
}
static void
gst_vaapi_window_drm_class_init(GstVaapiWindowDRMClass * klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstVaapiWindowClass * const window_class = GST_VAAPI_WINDOW_CLASS(klass);
object_class->finalize = gst_vaapi_window_drm_finalize;
object_class->constructed = gst_vaapi_window_drm_constructed;
window_class->create = gst_vaapi_window_drm_create;
window_class->destroy = gst_vaapi_window_drm_destroy;
window_class->show = gst_vaapi_window_drm_show;
window_class->hide = gst_vaapi_window_drm_hide;
window_class->render = gst_vaapi_window_drm_render;
window_class->resize = gst_vaapi_window_drm_resize;
}
static void
gst_vaapi_window_drm_init(GstVaapiWindowDRM * window)
{
}
/**
* gst_vaapi_window_drm_new:
* @display: a #GstVaapiDisplay
* @width: the requested window width, in pixels (unused)
* @height: the requested windo height, in pixels (unused)
*
* Creates a dummy window. The window will be attached to the @display.
* All rendering functions will return success since VA/DRM is a
* renderless API.
*
* Note: this dummy window object is only necessary to fulfill cases
* where the client application wants to automatically determine the
* best display to use for the current system. As such, it provides
* utility functions with the same API (function arguments) to help
* implement uniform function tables.
*
* Return value: the newly allocated #GstVaapiWindow object
*/
GstVaapiWindow *
gst_vaapi_window_drm_new(
GstVaapiDisplay *display,
guint width,
guint height
)
{
GST_DEBUG("new window, size %ux%u", width, height);
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(width > 0, NULL);
g_return_val_if_fail(height > 0, NULL);
return g_object_new(GST_VAAPI_TYPE_WINDOW_DRM,
"display", display,
"id", GST_VAAPI_ID(0),
"width", width,
"height", height,
NULL);
}