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

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

Ricardo Ribalda committed 11 years ago

Commit 2e5e4351 parent ba81c6e2 files · +3 −1Browse files

Unified · Split

2 files
  1. drivers/media/v4l2-core/v4l2-ioctl.c +2 −1
  2. include/uapi/linux/videodev2.h +1 −0
drivers/media/v4l2-core/v4l2-ioctl.c+2−1
@@ -1146,6 +1146,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) · 1145 unmodified lines
1146 case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break;1146 case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break;
1147 case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break;1147 case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break;
1148 case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break;1148 case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break;
1149 case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break;
1149 case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break;1150 case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break;
1150 case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break;1151 case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break;
1151 case V4L2_PIX_FMT_UV8: descr = "8-bit Chrominance UV 4-4"; break;1152 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, · 1387 unmodified lines
2539 if (v4l2_is_known_ioctl(cmd)) {2540 if (v4l2_is_known_ioctl(cmd)) {
2540 info = &v4l2_ioctls[_IOC_NR(cmd)];2541 info = &v4l2_ioctls[_IOC_NR(cmd)];
2541 2542
2542 if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&2543 if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&
2543 !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler))2544 !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler))
2544 goto done;2545 goto done;
2545 2546
include/uapi/linux/videodev2.h+1−0
@@ -404,6 +404,7 @@ struct v4l2_pix_format { · 403 unmodified lines
404#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */404#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
405#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */405#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
406#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */406#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
407#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
407 408
408/* Grey bit-packed formats */409/* Grey bit-packed formats */
409#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */410#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */