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authorTiffany Lin <tiffany.lin@mediatek.com>2016-09-09 17:48:05 +0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-10-21 16:09:35 +0200
commita38b7ce98bffcf2dd0e1461e24f410f76bac4cb4 (patch)
tree24a4500f4951df6104db8febad91342cd3b8f7bb /Documentation/media
parent[media] v4l: add Mediatek compressed video block format (diff)
downloadlinux-a38b7ce98bffcf2dd0e1461e24f410f76bac4cb4.tar.xz
linux-a38b7ce98bffcf2dd0e1461e24f410f76bac4cb4.zip
[media] docs-rst: Add compressed video formats used on MT8173 codec driver
Add V4L2_PIX_FMT_MT21C documentation Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media')
-rw-r--r--Documentation/media/uapi/v4l/pixfmt-reserved.rst10
1 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-reserved.rst b/Documentation/media/uapi/v4l/pixfmt-reserved.rst
index bd7bf3dae6af..c3bed4687973 100644
--- a/Documentation/media/uapi/v4l/pixfmt-reserved.rst
+++ b/Documentation/media/uapi/v4l/pixfmt-reserved.rst
@@ -234,7 +234,15 @@ please make a proposal on the linux-media mailing list.
repeated for each line, i.e. the number of entries in the pointer
array. Anything what's in between the UYVY lines is JPEG data and
should be concatenated to form the JPEG stream.
-
+ * .. _V4L2-PIX-FMT-MT21C:
+
+ - ``V4L2_PIX_FMT_MT21C``
+ - 'MT21C'
+ - Compressed two-planar YVU420 format used by Mediatek MT8173.
+ The compression is lossless.
+ It is an opaque intermediate format, and MDP HW could convert
+ V4L2_PIX_FMT_MT21C to V4L2_PIX_FMT_NV12M,
+ V4L2_PIX_FMT_YUV420M and V4L2_PIX_FMT_YVU420.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|