def stop(self):
"""
Stops the encoder, regardless of whether it's finished
"""
# The check on is_enabled below is not a race condition; we ignore the
# EINVAL error in the case the port turns out to be disabled when we
# disable below. The check exists purely to prevent stderr getting
# spammed by our continued attempts to disable an already disabled port
if self.encoder and self.output_port[0].is_enabled:
if self.started_capture:
self.started_capture = False
mmal_check(
mmal.mmal_port_parameter_set_boolean(
self.camera_port,
mmal.MMAL_PARAMETER_CAPTURE,
mmal.MMAL_FALSE),
prefix="Failed to stop capture")
try:
mmal_check(
mmal.mmal_port_disable(self.output_port),
prefix="Failed to disable encoder output port")
except PiCameraMMALError as e:
if e.status != mmal.MMAL_EINVAL:
raise
self.stopped = True
self.event.set()
self._close_output()
def stop(self):
"""
Stops the encoder, regardless of whether it's finished
"""
# The check on is_enabled below is not a race condition; we ignore the
# EINVAL error in the case the port turns out to be disabled when we
# disable below. The check exists purely to prevent stderr getting
# spammed by our continued attempts to disable an already disabled port
if self.encoder and self.output_port[0].is_enabled:
if self.started_capture:
self.started_capture = False
mmal_check(
mmal.mmal_port_parameter_set_boolean(
self.camera_port, mmal.MMAL_PARAMETER_CAPTURE, mmal.MMAL_FALSE
),
prefix="Failed to stop capture",
)
try:
mmal_check(mmal.mmal_port_disable(self.output_port), prefix="Failed to disable encoder output port")
except PiCameraMMALError as e:
if e.status != mmal.MMAL_EINVAL:
raise
self.stopped = True
self.event.set()
self._close_output()
def wait(self, timeout=None):
"""
Waits for the encoder to finish (successfully or otherwise)
"""
result = self.event.wait(timeout)
if result:
if self.started_capture:
self.started_capture = False
mmal_check(
mmal.mmal_port_parameter_set_boolean(
self.camera_port,
mmal.MMAL_PARAMETER_CAPTURE,
mmal.MMAL_FALSE),
prefix="Failed to stop capture")
try:
mmal_check(
mmal.mmal_port_disable(self.output_port),
prefix="Failed to disable encoder output port")
except PiCameraMMALError as e:
if e.status != mmal.MMAL_EINVAL:
raise
self._close_output()
# Check whether the callback set an exception
if self.exception:
raise self.exception
return result
def stop(self):
"""
Stops the encoder, regardless of whether it's finished
"""
if self.encoder and self.output_port[0].is_enabled:
mmal_check(mmal.mmal_port_disable(self.output_port),
prefix="Failed to disable encoder output port")
self.stopped = True
self.event.set()
self._close_output()
def stop(self):
"""
Stops the encoder, regardless of whether it's finished
"""
if self.encoder and self.output_port[0].is_enabled:
mmal_check(
mmal.mmal_port_disable(self.output_port),
prefix="Failed to disable encoder output port")
self.stopped = True
self.event.set()
self._close_output()
def wait(self, timeout=None):
"""
Waits for the encoder to finish (successfully or otherwise)
"""
result = self.event.wait(timeout)
if result:
mmal_check(mmal.mmal_port_disable(self.output_port),
prefix="Failed to disable encoder output port")
self._close_output()
# Check whether the callback set an exception
if self.exception:
raise self.exception
return result
def wait(self, timeout=None):
"""
Waits for the encoder to finish (successfully or otherwise)
"""
result = self.event.wait(timeout)
if result:
mmal_check(
mmal.mmal_port_disable(self.output_port),
prefix="Failed to disable encoder output port")
self._close_output()
# Check whether the callback set an exception
if self.exception:
raise self.exception
return result
