def __init__(
self, parent, layer=0, alpha=255, fullscreen=True, window=None,
crop=None, rotation=0, vflip=False, hflip=False):
# Create and enable the renderer component
self._rotation = 0
self._vflip = False
self._hflip = False
self.parent = parent
self.renderer = ct.POINTER(mmal.MMAL_COMPONENT_T)()
mmal_check(
mmal.mmal_component_create(
mmal.MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, self.renderer),
prefix="Failed to create renderer component")
try:
if not self.renderer[0].input_num:
raise PiCameraError("No input ports on renderer component")
self.layer = layer
self.alpha = alpha
self.fullscreen = fullscreen
if window is not None:
self.window = window
if crop is not None:
self.crop = crop
self.rotation = rotation
self.vflip = vflip
self.hflip = hflip
mmal_check(
mmal.mmal_component_enable(self.renderer),
prefix="Renderer component couldn't be enabled")
except:
mmal.mmal_component_destroy(self.renderer)
raise
def close(self):
"""
Finalizes the encoder and deallocates all structures
"""
try:
self.stop()
if self.connection:
mmal.mmal_connection_destroy(self.connection)
self.connection = None
if self.pool:
mmal.mmal_port_pool_destroy(self.output_port, self.pool)
self.pool = None
if self.encoder:
if self.encoder[0].is_enabled:
mmal.mmal_component_disable(self.encoder)
mmal.mmal_component_destroy(self.encoder)
self.encoder = None
self.output_port = None
self.input_port = None
finally:
if self.port == 1:
self.parent._video_encoder = None
elif self.port == 2:
self.parent._still_encoder = None
else:
raise PiCameraValueError("Invalid camera port %d" % self.port)
def close(self):
"""
Finalizes the renderer and deallocates all structures.
This method is called by the camera prior to destroying the renderer
(or more precisely, letting it go out of scope to permit the garbage
collector to destroy it at some future time).
"""
if self.renderer:
mmal.mmal_component_destroy(self.renderer)
self.renderer = None
def close(self):
"""
Finalizes the renderer and deallocates all structures.
This method is called by the camera prior to destroying the renderer
(or more precisely, letting it go out of scope to permit the garbage
collector to destroy it at some future time).
"""
if self.renderer:
mmal.mmal_component_destroy(self.renderer)
self.renderer = None
def __init__(self, parent, source):
self.parent = parent
self.renderer = ct.POINTER(mmal.MMAL_COMPONENT_T)()
mmal_check(
mmal.mmal_component_create(mmal.MMAL_COMPONENT_DEFAULT_NULL_SINK, self.renderer),
prefix="Failed to create null sink component",
)
try:
if not self.renderer[0].input_num:
raise PiCameraError("No input ports on null sink component")
mmal_check(mmal.mmal_component_enable(self.renderer), prefix="Null sink component couldn't be enabled")
except:
mmal.mmal_component_destroy(self.renderer)
raise
self.connection = self.parent._connect_ports(source, self.renderer[0].input[0])
def __init__(self, parent, source):
self.parent = parent
self.renderer = ct.POINTER(mmal.MMAL_COMPONENT_T)()
mmal_check(mmal.mmal_component_create(
mmal.MMAL_COMPONENT_DEFAULT_NULL_SINK, self.renderer),
prefix="Failed to create null sink component")
try:
if not self.renderer[0].input_num:
raise PiCameraError("No input ports on null sink component")
mmal_check(mmal.mmal_component_enable(self.renderer),
prefix="Null sink component couldn't be enabled")
except:
mmal.mmal_component_destroy(self.renderer)
raise
self.connection = self.parent._connect_ports(source,
self.renderer[0].input[0])
def close(self):
"""
Finalizes the encoder and deallocates all structures
"""
self.stop()
if self.connection:
mmal.mmal_connection_destroy(self.connection)
self.connection = None
if self.pool:
mmal.mmal_port_pool_destroy(self.output_port, self.pool)
self.pool = None
if self.encoder:
if self.encoder[0].is_enabled:
mmal.mmal_component_disable(self.encoder)
mmal.mmal_component_destroy(self.encoder)
self.encoder = None
self.output_port = None
self.input_port = None
def close(self):
"""
Finalizes the encoder and deallocates all structures
"""
self.stop()
if self.connection:
mmal.mmal_connection_destroy(self.connection)
self.connection = None
if self.pool:
mmal.mmal_port_pool_destroy(self.output_port, self.pool)
self.pool = None
if self.encoder:
if self.encoder[0].is_enabled:
mmal.mmal_component_disable(self.encoder)
mmal.mmal_component_destroy(self.encoder)
self.encoder = None
self.output_port = None
self.input_port = None
def __init__(self,
parent,
layer=0,
alpha=255,
fullscreen=True,
window=None,
crop=None,
rotation=0,
vflip=False,
hflip=False):
# Create and enable the renderer component
self._rotation = 0
self._vflip = False
self._hflip = False
self.parent = parent
self.renderer = ct.POINTER(mmal.MMAL_COMPONENT_T)()
mmal_check(mmal.mmal_component_create(
mmal.MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, self.renderer),
prefix="Failed to create renderer component")
try:
if not self.renderer[0].input_num:
raise PiCameraError("No input ports on renderer component")
self.layer = layer
self.alpha = alpha
self.fullscreen = fullscreen
if window is not None:
self.window = window
if crop is not None:
self.crop = crop
self.rotation = rotation
self.vflip = vflip
self.hflip = hflip
mmal_check(mmal.mmal_component_enable(self.renderer),
prefix="Renderer component couldn't be enabled")
except:
mmal.mmal_component_destroy(self.renderer)
raise
