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| author | Ming Qian <ming.qian@nxp.com> | 2023-03-22 08:13:05 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-04-15 11:06:34 +0300 |
| commit | a490ea68444084ec0368c019e11ee4a7e5c8bb13 (patch) | |
| tree | 7035adad34d34a3e32f95b4274114715c1842664 /Documentation/userspace-api/media | |
| parent | aa1080404200694aace5989f99664ca75e73b03d (diff) | |
| download | linux-a490ea68444084ec0368c019e11ee4a7e5c8bb13.tar.xz | |
media: Add Y012 video format
Y012 is a luma-only formats with 12-bits per pixel,
expanded to 16bits.
Data in the 12 high bits, zeros in the 4 low bits,
arranged in little endian order.
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/userspace-api/media')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst index 62078a01de76..cf8e4dfbfbd4 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst @@ -103,6 +103,17 @@ are often referred to as greyscale formats. - ... - ... + * .. _V4L2-PIX-FMT-Y012: + + - ``V4L2_PIX_FMT_Y012`` + - 'Y012' + + - Y'\ :sub:`0`\ [3:0] `0000` + - Y'\ :sub:`0`\ [11:4] + - ... + - ... + - ... + * .. _V4L2-PIX-FMT-Y14: - ``V4L2_PIX_FMT_Y14`` @@ -146,3 +157,7 @@ are often referred to as greyscale formats. than 16 bits. For example, 10 bits per pixel uses values in the range 0 to 1023. For the IPU3_Y10 format 25 pixels are packed into 32 bytes, which leaves the 6 most significant bits of the last byte padded with 0. + + For Y012 and Y12 formats, Y012 places its data in the 12 high bits, with + padding zeros in the 4 low bits, in contrast to the Y12 format, which has + its padding located in the most significant bits of the 16 bit word. |