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Groups > linux.kernel > #1477999

[PATCH 0/4] Add V4L2_PIX_FMT_MT21C format for MT8173 codec driver

From Tiffany Lin <tiffany.lin@mediatek.com>
Newsgroups linux.kernel
Subject [PATCH 0/4] Add V4L2_PIX_FMT_MT21C format for MT8173 codec driver
Date 2016-09-07 09:00 +0200
Message-ID <seEZX-4FR-1@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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This patch series add Mediatek compressed block format V4L2_PIX_FMT_MT21C, the
decoder driver will decoded bitstream to V4L2_PIX_FMT_MT21C format.

User space applications could use MT8173 MDP driver to convert V4L2_PIX_FMT_MT21C to
V4L2_PIX_FMT_NV12M, V4L2_PIX_FMT_YUV420M and V4L2_PIX_FMT_YVU420.

MDP driver[1] is stand alone driver.

Usage:
MT21C -> MT8173 MDP -> NV12M/YUV420M/YVU420
NV12M/NV21M/YUV420M/YVU420M -> mt8173 Encoder -> H264/VP8
H264/VP8/VP9 -> mtk8173 Decoder -> MT21C

When encode with MT21 source, the pipeline will be:
MT21C -> MDP driver-> NV12M/NV21M/YUV420M/YVU420M -> Encoder -> H264/VP8

When playback, the pipeline will be:
H264/VP8/VP9 -> Decoder driver -> MT21C -> MDP Driver -> DRM

[1]https://patchwork.kernel.org/patch/9305329/

Tiffany Lin (4):
  v4l: add Mediatek compressed video block format
  docs-rst: Add compressed video formats used on MT8173 codec driver
  vcodec: mediatek: Add V4L2_PIX_FMT_MT21C support for v4l2 decoder
  arm64: dts: mediatek: Add Video Decoder for MT8173

 Documentation/media/uapi/v4l/pixfmt-reserved.rst   |    6 +++
 arch/arm64/boot/dts/mediatek/mt8173.dtsi           |   44 ++++++++++++++++++++
 drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c |    7 +++-
 drivers/media/v4l2-core/v4l2-ioctl.c               |    1 +
 include/uapi/linux/videodev2.h                     |    1 +
 5 files changed, 58 insertions(+), 1 deletion(-)

-- 
1.7.9.5

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[PATCH 0/4] Add V4L2_PIX_FMT_MT21C format for MT8173 codec driver Tiffany Lin <tiffany.lin@mediatek.com> - 2016-09-07 09:00 +0200
  [PATCH 3/4] vcodec: mediatek: Add V4L2_PIX_FMT_MT21C support for v4l2 decoder Tiffany Lin <tiffany.lin@mediatek.com> - 2016-09-07 09:00 +0200
    [PATCH 4/4] arm64: dts: mediatek: Add Video Decoder for MT8173 Tiffany Lin <tiffany.lin@mediatek.com> - 2016-09-07 09:00 +0200
  [PATCH 2/4] docs-rst: Add compressed video formats used on MT8173 codec driver Tiffany Lin <tiffany.lin@mediatek.com> - 2016-09-07 09:00 +0200
    Re: [PATCH 2/4] docs-rst: Add compressed video formats used on MT8173  codec driver Hans Verkuil <hverkuil@xs4all.nl> - 2016-09-07 11:30 +0200
      Re: [PATCH 2/4] docs-rst: Add compressed video formats used on  MT8173 codec driver Tiffany Lin <tiffany.lin@mediatek.com> - 2016-09-08 08:50 +0200
  [PATCH 1/4] v4l: add Mediatek compressed video block format Tiffany Lin <tiffany.lin@mediatek.com> - 2016-09-07 09:00 +0200
  Re: [PATCH 0/4] Add V4L2_PIX_FMT_MT21C format for MT8173 codec driver Hans Verkuil <hverkuil@xs4all.nl> - 2016-09-08 09:30 +0200
    Re: [PATCH 0/4] Add V4L2_PIX_FMT_MT21C format for MT8173 codec  driver Tiffany Lin <tiffany.lin@mediatek.com> - 2016-09-08 11:20 +0200
      Re: [PATCH 0/4] Add V4L2_PIX_FMT_MT21C format for MT8173 codec driver Hans Verkuil <hverkuil@xs4all.nl> - 2016-09-08 11:30 +0200

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