Re: [RFC PATCHv2 1/5] videodev2.h: add tag support

2018-11-12 Thread Paul Kocialkowski
Hi, On Mon, 2018-11-12 at 09:33 +0100, Hans Verkuil wrote: > From: Hans Verkuil > > Add support for 'tags' to struct v4l2_buffer. These can be used > by m2m devices so userspace can set a tag for an output buffer and > this value will then be copied to the capture buffer(s). > > This tag can be

[RFC PATCHv2 1/5] videodev2.h: add tag support

2018-11-12 Thread Hans Verkuil
From: Hans Verkuil Add support for 'tags' to struct v4l2_buffer. These can be used by m2m devices so userspace can set a tag for an output buffer and this value will then be copied to the capture buffer(s). This tag can be used to refer to capture buffers, something that is needed by stateless H