From: Jammy Huang <jammy_huang@aspeedtech.com>
To: <hverkuil-cisco@xs4all.nl>, <sakari.ailus@linux.intel.com>,
<gregkh@linuxfoundation.org>, <eajames@linux.ibm.com>,
<mchehab@kernel.org>, <joel@jms.id.au>, <andrew@aj.id.au>,
<linux-media@vger.kernel.org>, <openbmc@lists.ozlabs.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-aspeed@lists.ozlabs.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v7 0/4] add aspeed-jpeg support for aspeed-video
Date: Mon, 20 Dec 2021 10:01:39 +0800 [thread overview]
Message-ID: <20211220020143.1216-1-jammy_huang@aspeedtech.com> (raw)
The aim of this series is to add aspeed-jpeg support for aspeed-video
driver. aspeed-jpeg is a per-frame differential jpeg format which only
compress the parts which are different from the previous frame. In this
way, it reduces both the amount of data to be transferred by network and
those to be decoded on the client side.
In the last, debugfs information is also updated per this change.
Changes in v7:
- Separate other patches alone from aspeed-jpeg series
- for Aspeed-jpeg, generate an I frame every 8 frames
- rename compression_mode as compression_scheme
- Add more reference for aspeed-jpeg
- Update debugfs message
Changes in v6:
- Update description for new format, aspeed-jpeg, in Documentation.
Changes in v5:
- Use model data to tell different soc
Changes in v4:
- Add definition for the Aspeed JPEG format
- Reserve controls for ASPEED
- Use s_fmt to update format rather than new control
- Update aspeed hq quality range, 1 ~ 12
Jammy Huang (4):
media: v4l: Add definition for the Aspeed JPEG format
media: v4l2-ctrls: Reserve controls for ASPEED
media: aspeed: Support aspeed mode to reduce compressed data
media: aspeed: Extend debug message
.../media/uapi/v4l/pixfmt-reserved.rst | 14 +
drivers/media/platform/aspeed-video.c | 287 ++++++++++++++++--
drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
include/uapi/linux/aspeed-video.h | 15 +
include/uapi/linux/v4l2-controls.h | 5 +
include/uapi/linux/videodev2.h | 1 +
6 files changed, 304 insertions(+), 19 deletions(-)
create mode 100644 include/uapi/linux/aspeed-video.h
--
2.25.1
next reply other threads:[~2021-12-20 2:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-20 2:01 Jammy Huang [this message]
2021-12-20 2:01 ` [PATCH v7 1/4] media: v4l: Add definition for the Aspeed JPEG format Jammy Huang
2021-12-20 2:01 ` [PATCH v7 2/4] media: v4l2-ctrls: Reserve controls for ASPEED Jammy Huang
2021-12-20 2:01 ` [PATCH v7 3/4] media: aspeed: Support aspeed mode to reduce compressed data Jammy Huang
2021-12-20 2:01 ` [PATCH v7 4/4] media: aspeed: Extend debug message Jammy Huang
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