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authorBenjamin Gaignard <benjamin.gaignard@collabora.com>2022-07-08 17:21:48 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-07-15 16:32:09 +0100
commit869ba3c8bba7aa1f0d33bf1979c8b81c2bfe2c93 (patch)
treeb51ad3207feced5be78a0c70bce57a549b83cd11 /Documentation/userspace-api
parent625e9ab479a79366fb770f5762f5ded1a1351891 (diff)
downloadlinux-869ba3c8bba7aa1f0d33bf1979c8b81c2bfe2c93.tar.bz2
media: uapi: HEVC: Define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS as a dynamic array
Make explicit that V4L2_CID_STATELESS_HEVC_SLICE_PARAMS control is a dynamic array control type. Some drivers may be able to receive multiple slices in one control to improve decoding performance. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/userspace-api')
-rw-r--r--Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index e88b5e6944a6..c2e0adece613 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -2986,6 +2986,8 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
These bitstream parameters are defined according to :ref:`hevc`.
They are described in section 7.4.7 "General slice segment header
semantics" of the specification.
+ This control is a dynamically sized 1-dimensional array,
+ V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it.
.. c:type:: v4l2_ctrl_hevc_slice_params