mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
|
/*
|
||
|
|
* 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;
|
||
|
|
}
|