esppy.connectors.UVCPublisher

class esppy.connectors.UVCPublisher(name=None, is_active=None, frame_rate=None, format_in=None, format_out=None, width=None, height=None, brightness=None, gain=None, saturation=None, contrast=None, device=None, blocking=None, predelay=None, maxevents=None, cameraid=None)

Bases: esppy.connectors.base.Connector

Publish photos taken by a V4L2 compatible

Parameters

frame_ratefloat, optional

Specifies the frames per second that the camera streams. Must be a double. The default value is 15.

format_instring, optional

Specifies the image format of captured photos. The default is jpeg. yuyv, an uncompressed image format, is also supported.

format_outstring, optional

Specifies the image format that the connector publishes. The default is jpeg. yuyv, an uncompressed image format, is supported only when format_in is yuyv.

widthint, optional

Specifies the height of the photo.

heightint, optional

Specifies the width of the photo.

brightnessstring, optional

Specifies the brightness of the photo.

gainstring, optional

Specifies the gain of the photo.

saturationstring, optional

Specifies the saturation of the photo.

contraststring, optional

Specifies the contrast of the photo.

devicestring, optional

Specifies the device name the camera is using on the Linux operating system.

blockingboolean, optional

Specifies whether the connector is in blocking mode.

predelayint, optional

Specifies a delay time, in seconds, on starting the connector.

maxeventsint, optional

Specifies the maximum number of events to publish.

cameraidstring, optional

Specifies an arbitrary string that is copied into the corresponding string field in the Source window. This value can be used by the model to identify the source camera.

Returns

UVCPublisher

__init__(self, name=None, is_active=None, frame_rate=None, format_in=None, format_out=None, width=None, height=None, brightness=None, gain=None, saturation=None, contrast=None, device=None, blocking=None, predelay=None, maxevents=None, cameraid=None)

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__(self[, name, is_active, …])	Initialize self.
clear(self)
copy(self[, deep])	Return a copy of the object
from_element(data[, session])	Construct connector from XML definition
from_parameters(conncls[, type, name, …])
from_xml(data[, session])	Construct connector from XML definition
get(self, key[, default])
items(self)
keys(self)
pop(self, key[, default])	If key is not found, d is returned if given, otherwise KeyError is raised.
popitem(self)	as a 2-tuple; but raise KeyError if D is empty.
set_properties(self, \*\*kwargs)	Set connector properties
setdefault(self, key[, default])
to_element(self)	Export connector definition to ElementTree.Element
to_xml(self[, pretty])	Export connector definition to XML
update(\*args, \*\*kwds)	If E present and has a .keys() method, does: for k in E: D[k] = E[k] If E present and lacks .keys() method, does: for (k, v) in E: D[k] = v In either case, this is followed by: for k, v in F.items(): D[k] = v
values(self)

Attributes

connector_key
property_defs