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authorBenjamin Gaignard <benjamin.gaignard@collabora.com>2022-07-08 19:21:46 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-07-15 18:28:42 +0300
commit24aab5985fdec281c013368077323b5f4e5de2c3 (patch)
tree5945d38df5f09d7cb14d29d7b1857460e3f17703 /Documentation/userspace-api
parentc4a179c7167ee16aad1267f9c99bc1ecff475585 (diff)
downloadlinux-24aab5985fdec281c013368077323b5f4e5de2c3.tar.xz
media: uapi: HEVC: Add SEI pic struct flags
The possible values for the field_pic field in the v4l2_hevc_dpb_entry structure are defined in the table D.2 in HEVC specification section D.3.3. Add flags and documentation for each of them. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com> 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.rst54
1 files changed, 54 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 3dfb81a93935..8ba16e8742f3 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -3218,6 +3218,7 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
* - __u8
- ``field_pic``
- Whether the reference is a field picture or a frame.
+ See :ref:`HEVC dpb field pic Flags <hevc_dpb_field_pic_flags>`
* - __u16
- ``pic_order_cnt[2]``
- The picture order count of the reference. Only the first element of the
@@ -3231,6 +3232,59 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
\normalsize
+.. _hevc_dpb_field_pic_flags:
+
+``HEVC dpb field pic Flags``
+
+.. raw:: latex
+
+ \scriptsize
+
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME``
+ - 0
+ - (progressive) Frame
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD``
+ - 1
+ - Top field
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD``
+ - 2
+ - Bottom field
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM``
+ - 3
+ - Top field, bottom field, in that order
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP``
+ - 4
+ - Bottom field, top field, in that order
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP``
+ - 5
+ - Top field, bottom field, top field repeated, in that order
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM``
+ - 6
+ - Bottom field, top field, bottom field repeated, in that order
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING``
+ - 7
+ - Frame doubling
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING``
+ - 8
+ - Frame tripling
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM``
+ - 9
+ - Top field paired with previous bottom field in output order
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP``
+ - 10
+ - Bottom field paired with previous top field in output order
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM``
+ - 11
+ - Top field paired with next bottom field in output order
+ * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP``
+ - 12
+ - Bottom field paired with next top field in output order
+
.. c:type:: v4l2_hevc_pred_weight_table
.. raw:: latex