.. -*- 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 ` or :ref:`Video Output Overlay `.