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-rw-r--r--Documentation/media/uapi/v4l/pixfmt-v4l2.rst36
1 files changed, 24 insertions, 12 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-v4l2.rst b/Documentation/media/uapi/v4l/pixfmt-v4l2.rst
index 6622938c1b41..826f2305da01 100644
--- a/Documentation/media/uapi/v4l/pixfmt-v4l2.rst
+++ b/Documentation/media/uapi/v4l/pixfmt-v4l2.rst
@@ -40,9 +40,10 @@ Single-planar format structure
RGB formats in :ref:`rgb-formats`, YUV formats in
:ref:`yuv-formats`, and reserved codes in
:ref:`reserved-formats`
- * - enum :c:type:`v4l2_field`
+ * - __u32
- ``field``
- - Video images are typically interlaced. Applications can request to
+ - Field order, from enum :c:type:`v4l2_field`.
+ Video images are typically interlaced. Applications can request to
capture or output only the top or bottom field, or both fields
interlaced or sequentially stored in one buffer or alternating in
separate buffers. Drivers return the actual field order selected.
@@ -82,9 +83,10 @@ Single-planar format structure
driver. Usually this is ``bytesperline`` times ``height``. When
the image consists of variable length compressed data this is the
maximum number of bytes required to hold an image.
- * - enum :c:type:`v4l2_colorspace`
+ * - __u32
- ``colorspace``
- - This information supplements the ``pixelformat`` and must be set
+ - Image colorspace, from enum :c:type:`v4l2_colorspace`.
+ This information supplements the ``pixelformat`` and must be set
by the driver for capture streams and by the application for
output streams, see :ref:`colorspaces`.
* - __u32
@@ -116,23 +118,33 @@ Single-planar format structure
* - __u32
- ``flags``
- Flags set by the application or driver, see :ref:`format-flags`.
- * - enum :c:type:`v4l2_ycbcr_encoding`
+ * - union {
+ - (anonymous)
+ -
+ * - __u32
- ``ycbcr_enc``
- - This information supplements the ``colorspace`` and must be set by
+ - Y'CbCr encoding, from enum :c:type:`v4l2_ycbcr_encoding`.
+ This information supplements the ``colorspace`` and must be set by
the driver for capture streams and by the application for output
streams, see :ref:`colorspaces`.
- * - enum :c:type:`v4l2_hsv_encoding`
+ * - __u32
- ``hsv_enc``
- - This information supplements the ``colorspace`` and must be set by
+ - HSV encoding, from enum :c:type:`v4l2_hsv_encoding`.
+ This information supplements the ``colorspace`` and must be set by
the driver for capture streams and by the application for output
streams, see :ref:`colorspaces`.
- * - enum :c:type:`v4l2_quantization`
+ * - }
+ -
+ -
+ * - __u32
- ``quantization``
- - This information supplements the ``colorspace`` and must be set by
+ - Quantization range, from enum :c:type:`v4l2_quantization`.
+ This information supplements the ``colorspace`` and must be set by
the driver for capture streams and by the application for output
streams, see :ref:`colorspaces`.
- * - enum :c:type:`v4l2_xfer_func`
+ * - __u32
- ``xfer_func``
- - This information supplements the ``colorspace`` and must be set by
+ - Transfer function, from enum :c:type:`v4l2_xfer_func`.
+ This information supplements the ``colorspace`` and must be set by
the driver for capture streams and by the application for output
streams, see :ref:`colorspaces`.