1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* 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;
}
|
