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
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* gst-plugins-bad
* Copyright (C) 2012 Edward Hervey <edward@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvdputils.h"
typedef struct
{
VdpChromaType chroma_type;
VdpYCbCrFormat format;
GstVideoFormat vformat;
} GstVdpVideoBufferFormats;
static const GstVdpVideoBufferFormats yuv_formats[] = {
{VDP_CHROMA_TYPE_420, VDP_YCBCR_FORMAT_YV12, GST_VIDEO_FORMAT_YV12},
{VDP_CHROMA_TYPE_420, VDP_YCBCR_FORMAT_NV12, GST_VIDEO_FORMAT_NV12},
{VDP_CHROMA_TYPE_422, VDP_YCBCR_FORMAT_UYVY, GST_VIDEO_FORMAT_UYVY},
{VDP_CHROMA_TYPE_444, VDP_YCBCR_FORMAT_V8U8Y8A8, GST_VIDEO_FORMAT_AYUV},
/* { */
/* VDP_CHROMA_TYPE_444, */
/* VDP_YCBCR_FORMAT_Y8U8V8A8, */
/* GST_MAKE_FOURCC ('A', 'V', 'U', 'Y') */
/* }, */
{VDP_CHROMA_TYPE_422, VDP_YCBCR_FORMAT_YUYV, GST_VIDEO_FORMAT_YUY2}
};
VdpYCbCrFormat
gst_video_format_to_vdp_ycbcr (GstVideoFormat format)
{
int i;
for (i = 0; i < G_N_ELEMENTS (yuv_formats); i++) {
if (yuv_formats[i].vformat == format)
return yuv_formats[i].format;
}
return -1;
}
VdpChromaType
gst_video_info_to_vdp_chroma_type (GstVideoInfo * info)
{
const GstVideoFormatInfo *finfo = info->finfo;
VdpChromaType ret = -1;
/* Check subsampling of second plane (first is always non-subsampled) */
switch (GST_VIDEO_FORMAT_INFO_W_SUB (finfo, 1)) {
case 0:
/* Not subsampled in width for second plane */
if (GST_VIDEO_FORMAT_INFO_W_SUB (finfo, 2))
/* Not subsampled at all (4:4:4) */
ret = VDP_CHROMA_TYPE_444;
break;
case 1:
/* Subsampled horizontally once */
if (GST_VIDEO_FORMAT_INFO_H_SUB (finfo, 2) == 0)
/* Not subsampled vertically (4:2:2) */
ret = VDP_CHROMA_TYPE_422;
else if (GST_VIDEO_FORMAT_INFO_H_SUB (finfo, 2) == 1)
/* Subsampled vertically once (4:2:0) */
ret = VDP_CHROMA_TYPE_420;
break;
default:
break;
}
return ret;
}
|
