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Diffstat (limited to 'Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst | 7 |
1 files changed, 6 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 f87584ad90ba..6541e4c32b26 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst @@ -1698,7 +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. |