mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-26 02:00:33 +00:00
78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
|
/*
|
||
|
|
* gstvaapiutils_core.c - VA-API utilities (Core, MT-safe)
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010-2011 Splitted-Desktop Systems
|
||
|
|
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
|
||
|
|
* Copyright (C) 2011-2014 Intel Corporation
|
||
|
|
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "sysdeps.h"
|
||
|
|
#include "gstvaapicompat.h"
|
||
|
|
#include "gstvaapiutils.h"
|
||
|
|
#include "gstvaapiutils_core.h"
|
||
|
|
#include "gstvaapidisplay_priv.h"
|
||
|
|
|
||
|
|
#define DEBUG 1
|
||
|
|
#include "gstvaapidebug.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* gst_vaapi_get_config_attribute:
|
||
|
|
* @display: a #GstVaapiDisplay
|
||
|
|
* @profile: a VA profile
|
||
|
|
* @entrypoint: a VA entrypoint
|
||
|
|
* @type: a VA config attribute type
|
||
|
|
* @out_value_ptr: return location for the config attribute value
|
||
|
|
*
|
||
|
|
* Determines the value for the VA config attribute @type and the
|
||
|
|
* given @profile/@entrypoint pair. If @out_value_ptr is %NULL, then
|
||
|
|
* this functions acts as a way to query whether the underlying VA
|
||
|
|
* driver supports the specified attribute @type, no matter the
|
||
|
|
* returned value.
|
||
|
|
*
|
||
|
|
* Note: this function only returns success if the VA driver does
|
||
|
|
* actually know about this config attribute type and that it returned
|
||
|
|
* a valid value for it.
|
||
|
|
*
|
||
|
|
* Return value: %TRUE if the VA driver knows about the requested
|
||
|
|
* config attribute and returned a valid value, %FALSE otherwise
|
||
|
|
*/
|
||
|
|
gboolean
|
||
|
|
gst_vaapi_get_config_attribute (GstVaapiDisplay * display, VAProfile profile,
|
||
|
|
VAEntrypoint entrypoint, VAConfigAttribType type, guint * out_value_ptr)
|
||
|
|
{
|
||
|
|
VAConfigAttrib attrib;
|
||
|
|
VAStatus status;
|
||
|
|
|
||
|
|
g_return_val_if_fail (display != NULL, FALSE);
|
||
|
|
|
||
|
|
GST_VAAPI_DISPLAY_LOCK (display);
|
||
|
|
attrib.type = type;
|
||
|
|
status = vaGetConfigAttributes (GST_VAAPI_DISPLAY_VADISPLAY (display),
|
||
|
|
profile, entrypoint, &attrib, 1);
|
||
|
|
GST_VAAPI_DISPLAY_UNLOCK (display);
|
||
|
|
if (!vaapi_check_status (status, "vaGetConfigAttributes()"))
|
||
|
|
return FALSE;
|
||
|
|
if (attrib.value == VA_ATTRIB_NOT_SUPPORTED)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if (out_value_ptr)
|
||
|
|
*out_value_ptr = attrib.value;
|
||
|
|
return TRUE;
|
||
|
|
}
|