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Diffstat (limited to 'Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst')
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diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst b/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst new file mode 100644 index 000000000000..54716455f453 --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-packed-yuv.rst @@ -0,0 +1,316 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _packed-yuv: + +****************** +Packed YUV formats +****************** + +*man Packed YUV formats(2)* + +Packed YUV formats + + +Description +=========== + +Similar to the packed RGB formats these formats store the Y, Cb and Cr +component of each pixel in one 16 or 32 bit word. + + + +.. flat-table:: Packed YUV Image Formats + :header-rows: 2 + :stub-columns: 0 + + + - .. row 1 + + - Identifier + + - Code + + - + - :cspan:`7` Byte 0 in memory + + - + - :cspan:`7` Byte 1 + + - + - :cspan:`7` Byte 2 + + - + - :cspan:`7` Byte 3 + + - .. row 2 + + - + - + - Bit + + - 7 + + - 6 + + - 5 + + - 4 + + - 3 + + - 2 + + - 1 + + - 0 + + - + - 7 + + - 6 + + - 5 + + - 4 + + - 3 + + - 2 + + - 1 + + - 0 + + - + - 7 + + - 6 + + - 5 + + - 4 + + - 3 + + - 2 + + - 1 + + - 0 + + - + - 7 + + - 6 + + - 5 + + - 4 + + - 3 + + - 2 + + - 1 + + - 0 + + - .. _V4L2-PIX-FMT-YUV444: + + - ``V4L2_PIX_FMT_YUV444`` + + - 'Y444' + + - + - Cb\ :sub:`3` + + - Cb\ :sub:`2` + + - Cb\ :sub:`1` + + - Cb\ :sub:`0` + + - Cr\ :sub:`3` + + - Cr\ :sub:`2` + + - Cr\ :sub:`1` + + - Cr\ :sub:`0` + + - + - a\ :sub:`3` + + - a\ :sub:`2` + + - a\ :sub:`1` + + - a\ :sub:`0` + + - Y'\ :sub:`3` + + - Y'\ :sub:`2` + + - Y'\ :sub:`1` + + - Y'\ :sub:`0` + + - .. _V4L2-PIX-FMT-YUV555: + + - ``V4L2_PIX_FMT_YUV555`` + + - 'YUVO' + + - + - Cb\ :sub:`2` + + - Cb\ :sub:`1` + + - Cb\ :sub:`0` + + - Cr\ :sub:`4` + + - Cr\ :sub:`3` + + - Cr\ :sub:`2` + + - Cr\ :sub:`1` + + - Cr\ :sub:`0` + + - + - a + + - Y'\ :sub:`4` + + - Y'\ :sub:`3` + + - Y'\ :sub:`2` + + - Y'\ :sub:`1` + + - Y'\ :sub:`0` + + - Cb\ :sub:`4` + + - Cb\ :sub:`3` + + - .. _V4L2-PIX-FMT-YUV565: + + - ``V4L2_PIX_FMT_YUV565`` + + - 'YUVP' + + - + - Cb\ :sub:`2` + + - Cb\ :sub:`1` + + - Cb\ :sub:`0` + + - Cr\ :sub:`4` + + - Cr\ :sub:`3` + + - Cr\ :sub:`2` + + - Cr\ :sub:`1` + + - Cr\ :sub:`0` + + - + - Y'\ :sub:`4` + + - Y'\ :sub:`3` + + - Y'\ :sub:`2` + + - Y'\ :sub:`1` + + - Y'\ :sub:`0` + + - Cb\ :sub:`5` + + - Cb\ :sub:`4` + + - Cb\ :sub:`3` + + - .. _V4L2-PIX-FMT-YUV32: + + - ``V4L2_PIX_FMT_YUV32`` + + - 'YUV4' + + - + - a\ :sub:`7` + + - a\ :sub:`6` + + - a\ :sub:`5` + + - a\ :sub:`4` + + - a\ :sub:`3` + + - a\ :sub:`2` + + - a\ :sub:`1` + + - a\ :sub:`0` + + - + - Y'\ :sub:`7` + + - Y'\ :sub:`6` + + - Y'\ :sub:`5` + + - Y'\ :sub:`4` + + - Y'\ :sub:`3` + + - Y'\ :sub:`2` + + - Y'\ :sub:`1` + + - Y'\ :sub:`0` + + - + - Cb\ :sub:`7` + + - Cb\ :sub:`6` + + - Cb\ :sub:`5` + + - Cb\ :sub:`4` + + - Cb\ :sub:`3` + + - Cb\ :sub:`2` + + - Cb\ :sub:`1` + + - Cb\ :sub:`0` + + - + - Cr\ :sub:`7` + + - Cr\ :sub:`6` + + - Cr\ :sub:`5` + + - Cr\ :sub:`4` + + - Cr\ :sub:`3` + + - Cr\ :sub:`2` + + - Cr\ :sub:`1` + + - Cr\ :sub:`0` + + +Bit 7 is the most significant bit. The value of a = alpha bits is +undefined when reading from the driver, ignored when writing to the +driver, except when alpha blending has been negotiated for a +:ref:`Video Overlay <overlay>` or :ref:`Video Output Overlay <osd>`. |