def run(self):
""" Callback to fill data """
data = bytearray(b'\x00' * self.block_size * self.bytes_per_frame)
free_bytes = soundio.ring_buffer_free_count(self.buffer)
if self.callback and free_bytes >= len(data):
self.callback(data=data, length=self.block_size)
soundio.ring_buffer_write_ptr(self.buffer, data, len(data))
soundio.ring_buffer_advance_write_ptr(self.buffer, len(data))
def setUp(self):
self.s = soundio.create()
soundio.connect_backend(pysoundio.SoundIoBackendDummy)
soundio.flush()
self.buffer = soundio.input_ring_buffer_create(44100)
# Fill with some data for libsoundio < v1.1.0
data = bytearray(b'' * 42)
soundio.ring_buffer_write_ptr(self.buffer, data, len(data))
soundio.ring_buffer_advance_write_ptr(self.buffer, 42)
def test_read_callback(self):
self.sio.start_input_stream(
sample_rate=44100,
dtype=pysoundio.SoundIoFormatFloat32LE,
channels=2,
block_size=4096,
read_callback=self.callback)
self.assertIsNotNone(self.sio.input['stream'])
data = bytearray(b'\x00' * 4096 * 8)
_soundiox.ring_buffer_write_ptr(self.sio.input['buffer'], data, len(data))
_soundiox.ring_buffer_advance_write_ptr(self.sio.input['buffer'], len(data))
thread = pysoundio.pysoundio._InputProcessingThread(parent=self.sio)
thread.run()
self.assertTrue(self.callback_called)
def fill_input_buffer(self):
data = bytearray(b'\x00' * 4096 * 8)
_soundiox.ring_buffer_write_ptr(self.sio.input['buffer'], data, len(data))
_soundiox.ring_buffer_advance_write_ptr(self.sio.input['buffer'], len(data))
def test_ring_buffer_write_ptr(self):
data = bytearray('\x01\x02\x03\x04'.encode())
soundio.ring_buffer_write_ptr(self.buffer, data, len(data))