Re: [PATCH v2.1] v4l: Clearly document interactions between formats, controls and buffers

2017-03-05 Thread Sakari Ailus
Hi Laurent, Thanks for the update. On Sun, Mar 05, 2017 at 04:39:36PM +0200, Laurent Pinchart wrote: > V4L2 exposes parameters that influence buffers sizes through the format > ioctls (VIDIOC_G_FMT, VIDIOC_TRY_FMT, VIDIOC_S_FMT, and possibly > VIDIOC_G_SELECTION and VIDIOC_S_SELECTION). Other

[PATCH v2.1] v4l: Clearly document interactions between formats, controls and buffers

2017-03-05 Thread Laurent Pinchart
V4L2 exposes parameters that influence buffers sizes through the format ioctls (VIDIOC_G_FMT, VIDIOC_TRY_FMT, VIDIOC_S_FMT, and possibly VIDIOC_G_SELECTION and VIDIOC_S_SELECTION). Other parameters not part of the format structure may also influence buffer sizes or buffer layout in general. One