diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst index eb551b57557e..65520c3af7cf 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-packed-yuv.rst @@ -36,10 +36,10 @@ Cb\ :sub:`5-0` Cr\ :sub:`4-0`], and stored in memory in two bytes, .. raw:: latex \begingroup - \tiny + \scriptsize \setlength{\tabcolsep}{2pt} -.. tabularcolumns:: |p{2.5cm}|p{0.69cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}|p{0.31cm}| +.. tabularcolumns:: |p{3.5cm}|p{0.96cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}| .. flat-table:: Packed YUV 4:4:4 Image Formats (less than 8bpc) :header-rows: 2 @@ -220,6 +220,16 @@ the second byte and Y'\ :sub:`7-0` in the third byte. - Y'\ :sub:`7-0` - X\ :sub:`7-0` + * .. _V4L2-PIX-FMT-YUV24: + + - ``V4L2_PIX_FMT_YUV24`` + - 'YUV3' + + - Y'\ :sub:`7-0` + - Cb\ :sub:`7-0` + - Cr\ :sub:`7-0` + - -\ + .. note:: - The alpha component is expected to contain a meaningful value that can be @@ -234,6 +244,12 @@ the second byte and Y'\ :sub:`7-0` in the third byte. These formats, commonly referred to as YUYV or YUY2, subsample the chroma components horizontally by 2, storing 2 pixels in 4 bytes. +.. raw:: latex + + \footnotesize + +.. tabularcolumns:: |p{3.4cm}|p{1.2cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}| + .. flat-table:: Packed YUV 4:2:2 Formats :header-rows: 1 :stub-columns: 0 @@ -301,6 +317,10 @@ components horizontally by 2, storing 2 pixels in 4 bytes. - Y'\ :sub:`3` - Cb\ :sub:`2` +.. raw:: latex + + \normalsize + **Color Sample Location:** Chroma samples are :ref:`interstitially sited<yuv-chroma-centered>` horizontally. @@ -312,6 +332,12 @@ horizontally. This format subsamples the chroma components horizontally by 4, storing 8 pixels in 12 bytes. +.. raw:: latex + + \scriptsize + +.. tabularcolumns:: |p{2.9cm}|p{0.8cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}| + .. flat-table:: Packed YUV 4:1:1 Formats :header-rows: 1 :stub-columns: 0 @@ -348,11 +374,15 @@ pixels in 12 bytes. - Y'\ :sub:`6` - Y'\ :sub:`7` +.. raw:: latex + + \normalsize + .. note:: Do not confuse ``V4L2_PIX_FMT_Y41P`` with :ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-YUV411P>`. Y41P is derived from - "YUV 4:1:1 *packed*", while YUV411P stands for "YUV 4:1:1 *planar*". + "YUV 4:1:1 **packed**", while YUV411P stands for "YUV 4:1:1 **planar**". **Color Sample Location:** Chroma samples are :ref:`interstitially sited<yuv-chroma-centered>` |