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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
11461146 case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break;
11471147 case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break;
11481148 case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break;
1149+ case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break;
11491150 case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break;
11501151 case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break;
11511152 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
25392540 if (v4l2_is_known_ioctl(cmd)) {
25402541 info = &v4l2_ioctls[_IOC_NR(cmd)];
25412542
2542− if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&
2543+ if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&
25432544 !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler))
25442545 goto done;
25452546
include/uapi/linux/videodev2.h+1−0
@@ -404,6 +404,7 @@ struct v4l2_pix_format { · 403 unmodified lines
404404 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
405405 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
406406 #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 */
407408
408409 /* Grey bit-packed formats */
409410 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */