From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhi, Yong" Subject: RE: [PATCH 0/2] Add V4L2_BUF_TYPE_META_OUTPUT buffer type Date: Tue, 17 Oct 2017 23:04:53 +0000 Message-ID: References: <1503091856-18294-1-git-send-email-sakari.ailus@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: <1503091856-18294-1-git-send-email-sakari.ailus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Content-Language: en-US Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sakari Ailus , "linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" Cc: "linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org" , "Mani, Rajmohan" List-Id: linux-api@vger.kernel.org Hi, Sakari, > -----Original Message----- > From: Sakari Ailus [mailto:sakari.ailus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org] > Sent: Friday, August 18, 2017 2:31 PM > To: linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > Cc: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org; Zhi, Yong > > Subject: [PATCH 0/2] Add V4L2_BUF_TYPE_META_OUTPUT buffer type > > Hi folks, > > Here's a non-RFC version of the META_OUTPUT buffer type patches. > > The V4L2_BUF_TYPE_META_OUTPUT buffer type complements the metadata > buffer types support for OUTPUT buffers, capture being already supported. > This is intended for similar cases than V4L2_BUF_TYPE_META_CAPTURE but > for output buffers, e.g. device parameters that may be complex and highly > hierarchical data structure. Statistics are a current use case for metadata > capture buffers. > > Yong: could you take these to your IPU3 ImgU patchset, please? As that > would be the first user, the patches would be merged with the driver itself. > We implemented the meta format support in IPU3, the changes will be in ImgU v4, thanks!! > since RFC: > > - Fix make htmldocs build. > > - Fix CAPTURE -> OUTPUT in buffer.rst. > > - Added " for specifying how the device processes images" in the > documentation. > > Sakari Ailus (2): > v4l: Add support for V4L2_BUF_TYPE_META_OUTPUT > docs-rst: v4l: Document V4L2_BUF_TYPE_META_OUTPUT interface > > Documentation/media/uapi/v4l/buffer.rst | 3 +++ > Documentation/media/uapi/v4l/dev-meta.rst | 33 ++++++++++++++------ > ---- > Documentation/media/uapi/v4l/vidioc-querycap.rst | 3 +++ > Documentation/media/videodev2.h.rst.exceptions | 2 ++ > drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 2 ++ > drivers/media/v4l2-core/v4l2-ioctl.c | 25 ++++++++++++++++++ > drivers/media/v4l2-core/videobuf2-v4l2.c | 1 + > include/media/v4l2-ioctl.h | 17 ++++++++++++ > include/uapi/linux/videodev2.h | 2 ++ > 9 files changed, 75 insertions(+), 13 deletions(-) > > -- > 2.7.4