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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-02 04:45:08 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-02 04:45:08 +0300
commit73d21a3579818aa0e39de207474a39ca35c7d8cb (patch)
treeae723d1026a6f39aa22bbcb3e82d3966ac7f5dcc /Documentation/userspace-api/media/drivers/cx2341x-uapi.rst
parent6f2b76a4a384e05ac8d3349831f29dff5de1e1e2 (diff)
parent57c3b9f55ba875a6f6295fa59f0bdc0a01c544f8 (diff)
downloadlinux-73d21a3579818aa0e39de207474a39ca35c7d8cb.tar.xz
Merge tag 'media/v5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - New driver for SK Hynix Hi-846 8M pixel camera - New driver for the ov13b10 camera - New driver for Renesas R-Car ISP - mtk-vcodec gained support for version 2 of decoder firmware ABI - The legacy sir_ir driver got removed - videobuf2: the vb2_mem_ops kAPI had some improvements - lots of cleanups, fixes and new features at device drivers * tag 'media/v5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (328 commits) media: venus: core: Add sdm660 DT compatible and resource struct media: dt-bindings: media: venus: Add sdm660 dt schema media: venus: vdec: decoded picture buffer handling during reconfig sequence media: venus: Handle fatal errors during encoding and decoding media: venus: helpers: Add helper to mark fatal vb2 error media: venus: hfi: Check for sys error on session hfi functions media: venus: Make sys_error flag an atomic bitops media: venus: venc: Use pmruntime autosuspend media: allegro: write vui parameters for HEVC media: allegro: nal-hevc: implement generator for vui media: allegro: write correct colorspace into SPS media: allegro: extract nal value lookup functions to header media: allegro: correctly scale the bit rate in SPS media: allegro: remove external QP table media: allegro: fix row and column in response message media: allegro: add control to disable encoder buffer media: allegro: add encoder buffer support media: allegro: add pm_runtime support media: allegro: lookup VCU settings media: allegro: fix module removal if initialization failed ...
Diffstat (limited to 'Documentation/userspace-api/media/drivers/cx2341x-uapi.rst')
-rw-r--r--Documentation/userspace-api/media/drivers/cx2341x-uapi.rst8
1 files changed, 3 insertions, 5 deletions
diff --git a/Documentation/userspace-api/media/drivers/cx2341x-uapi.rst b/Documentation/userspace-api/media/drivers/cx2341x-uapi.rst
index 8a7977af79d5..debde65fb8cd 100644
--- a/Documentation/userspace-api/media/drivers/cx2341x-uapi.rst
+++ b/Documentation/userspace-api/media/drivers/cx2341x-uapi.rst
@@ -7,9 +7,7 @@ Non-compressed file format
--------------------------
The cx23416 can produce (and the cx23415 can also read) raw YUV output. The
-format of a YUV frame is specific to this chip and is called HM12. 'HM' stands
-for 'Hauppauge Macroblock', which is a misnomer as 'Conexant Macroblock' would
-be more accurate.
+format of a YUV frame is 16x16 linear tiled NV12 (V4L2_PIX_FMT_NV12_16L16).
The format is YUV 4:2:0 which uses 1 Y byte per pixel and 1 U and V byte per
four pixels.
@@ -34,8 +32,8 @@ second line of 8 UV pairs of the top-left block, etc. After transmitting
this block the first line of the block on the right to the first block is
transmitted, etc.
-The code below is given as an example on how to convert HM12 to separate
-Y, U and V planes. This code assumes frames of 720x576 (PAL) pixels.
+The code below is given as an example on how to convert V4L2_PIX_FMT_NV12_16L16
+to separate Y, U and V planes. This code assumes frames of 720x576 (PAL) pixels.
The width of a frame is always 720 pixels, regardless of the actual specified
width.