def _callback_recycle(self, port, buf):
"""
Recycles the buffer on behalf of the encoder callback function
"""
mmal.mmal_buffer_header_release(buf)
if port[0].is_enabled:
new_buf = mmal.mmal_queue_get(self.pool[0].queue)
if not new_buf:
raise PiCameraError(
"Unable to get a buffer to return to the encoder port")
mmal_check(mmal.mmal_port_send_buffer(port, new_buf),
prefix="Unable to return a buffer to the encoder port")
def _callback_recycle(self, port, buf):
"""
Recycles the buffer on behalf of the encoder callback function
"""
mmal.mmal_buffer_header_release(buf)
if port[0].is_enabled:
new_buf = mmal.mmal_queue_get(self.pool[0].queue)
if not new_buf:
raise PiCameraError(
"Unable to get a buffer to return to the encoder port")
mmal_check(
mmal.mmal_port_send_buffer(port, new_buf),
prefix="Unable to return a buffer to the encoder port")
def _callback(self, port, buf):
"""
The encoder's main callback function
"""
if self.stopped:
mmal.mmal_buffer_header_release(buf)
else:
stop = False
try:
try:
stop = self._callback_write(buf)
finally:
mmal.mmal_buffer_header_release(buf)
self._callback_recycle(port, buf)
except Exception as e:
stop = True
self.exception = e
if stop:
self.stopped = True
self.event.set()
def _callback(self, port, buf):
"""
The encoder's main callback function
"""
if self.stopped:
mmal.mmal_buffer_header_release(buf)
else:
stop = False
try:
try:
stop = self._callback_write(buf)
finally:
mmal.mmal_buffer_header_release(buf)
self._callback_recycle(port, buf)
except Exception as e:
stop = True
self.exception = e
if stop:
self.stopped = True
self.event.set()
def _overlay_callback(port, buf):
mmal.mmal_buffer_header_release(buf)
def _overlay_callback(port, buf):
mmal.mmal_buffer_header_release(buf)
