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-rw-r--r--Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst13
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
index cc080c4257d0..6541e4c32b26 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
@@ -616,6 +616,12 @@ Stateless Codec Control ID
* - ``V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD``
- 0x00000004
-
+ * - ``V4L2_H264_DECODE_PARAM_FLAG_PFRAME``
+ - 0x00000008
+ -
+ * - ``V4L2_H264_DECODE_PARAM_FLAG_BFRAME``
+ - 0x00000010
+ -
.. raw:: latex
@@ -1692,7 +1698,12 @@ See section '7.3.1 Tx mode semantics' of the :ref:`vp9` specification for more d
* - __u8
- ``reference_mode``
- Specifies the type of inter prediction to be used. See
- :ref:`Reference Mode<vp9_reference_mode>` for more details.
+ :ref:`Reference Mode<vp9_reference_mode>` for more details. Note that
+ this is derived as part of the compressed header parsing process and
+ for this reason should have been part of
+ :c:type: `v4l2_ctrl_vp9_compressed_hdr` optional control. It is safe to
+ set this value to zero if the driver does not require compressed
+ headers.
* - __u8
- ``reserved[7]``
- Applications and drivers must set this to zero.