v4l2_format_plane_stride
return v4l2_format_plane_stride(info, plane, width) *
plane->bytesperline = v4l2_format_plane_stride(info, 0, width);
v4l2_format_plane_stride(info, i, width);
pixfmt->bytesperline = v4l2_format_plane_stride(info, 0, width);