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[media] media/v4l2-core: Add support for V4L2_PIX_FMT_Y16_BE

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16 bit greyscale format, structured in Big Endian. Such a format can be
converted into a PMN image just by adding a header.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Ricardo Ribalda 2015-05-04 05:07:30 -03:00 committed by Mauro Carvalho Chehab
parent ba81c6ed3d
commit 2e5e435fb4
2 changed files with 3 additions and 1 deletions
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3
drivers/media/v4l2-core/v4l2-ioctl.c
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@ -1146,6 +1146,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break;
case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break;
case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break;
case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break;
case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break;
case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break;
case V4L2_PIX_FMT_UV8: descr = "8-bit Chrominance UV 4-4"; break;
@ -2539,7 +2540,7 @@ static long __video_do_ioctl(struct file *file,
if (v4l2_is_known_ioctl(cmd)) {
info = &v4l2_ioctls[_IOC_NR(cmd)];
if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&
if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&
!((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler))
goto done;

1
include/uapi/linux/videodev2.h
View File

@ -404,6 +404,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
/* Grey bit-packed formats */
#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */