def read(self, num_frames):
"""
Read samples from the stream. Do not call when using
*non-blocking* mode.
:param num_frames: The number of frames to read.
:raises IOError: if stream is not an input stream
or if the read operation was unsuccessful.
:rtype: string
"""
if not self._is_input:
raise IOError("Not input stream",
paCanNotReadFromAnOutputOnlyStream)
return pa.read_stream(self._stream, num_frames)
def read(self, num_frames):
"""
Read samples from the stream. Do not call when using
*non-blocking* mode.
:param num_frames: The number of frames to read.
:raises IOError: if stream is not an input stream
or if the read operation was unsuccessful.
:rtype: string
"""
if not self._is_input:
raise IOError("Not input stream",
paCanNotReadFromAnOutputOnlyStream)
return pa.read_stream(self._stream, num_frames)
def read(self, num_frames, exception_on_overflow=True):
"""
Read samples from the stream. Do not call when using
*non-blocking* mode.
:param num_frames: The number of frames to read.
:param exception_on_overflow:
Specifies whether an IOError exception should be thrown
(or silently ignored) on input buffer overflow. Defaults
to True.
:raises IOError: if stream is not an input stream
or if the read operation was unsuccessful.
:rtype: string
"""
if not self._is_input:
raise IOError("Not input stream",
paCanNotReadFromAnOutputOnlyStream)
return pa.read_stream(self._stream, num_frames, exception_on_overflow)
def read(self, num_frames, exception_on_overflow=True):
"""
Read samples from the stream. Do not call when using
*non-blocking* mode.
:param num_frames: The number of frames to read.
:param exception_on_overflow:
Specifies whether an IOError exception should be thrown
(or silently ignored) on input buffer overflow. Defaults
to True.
:raises IOError: if stream is not an input stream
or if the read operation was unsuccessful.
:rtype: string
"""
if not self._is_input:
raise IOError("Not input stream",
paCanNotReadFromAnOutputOnlyStream)
return pa.read_stream(self._stream, num_frames, exception_on_overflow)
def read(self, num_frames, should_warn=False):
"""
Read samples from the stream. Do not call when using
*non-blocking* mode.
:param num_frames:
The number of frames to read.
:param should_warn:
Specifies whether a warning should be written to stderr (or silently
ignored) on buffer overflow. Defaults to False.
:raises IOError: if stream is not an input stream
or if the read operation was unsuccessful.
:rtype: string
"""
if not self._is_input:
raise IOError("Not input stream",
paCanNotReadFromAnOutputOnlyStream)
return pa.read_stream(self._stream, num_frames, should_warn)
def read(self, num_frames, should_warn=False):
"""
Read samples from the stream. Do not call when using
*non-blocking* mode.
:param num_frames:
The number of frames to read.
:param should_warn:
Specifies whether a warning should be written to stderr (or silently
ignored) on buffer overflow. Defaults to False.
:raises IOError: if stream is not an input stream
or if the read operation was unsuccessful.
:rtype: string
"""
if not self._is_input:
raise IOError("Not input stream",
paCanNotReadFromAnOutputOnlyStream)
return pa.read_stream(self._stream, num_frames, should_warn)
frames_per_buffer = chunk)
stream_output = _portaudio.open(format = FORMAT,
channels = CHANNELS,
rate = RATE,
output = True,
frames_per_buffer = chunk)
print "* starting stream"
_portaudio.start_stream(stream_input)
_portaudio.start_stream(stream_output)
print "* recording"
for i in range(0, 44100 / chunk * RECORD_SECONDS):
data = _portaudio.read_stream(stream_input, chunk)
_portaudio.write_stream(stream_output, data, chunk)
print "* stopping stream"
_portaudio.stop_stream(stream_input)
_portaudio.stop_stream(stream_output)
print "* closing stream"
_portaudio.close(stream_input)
_portaudio.close(stream_output)
# match initialize() with terminate() calls
_portaudio.terminate()
print "* initializing"
_portaudio.initialize()
print "* opening"
stream = _portaudio.open(format = FORMAT,
channels = CHANNELS,
rate = RATE,
input = True,
output = True,
frames_per_buffer = chunk)
print "* starting stream"
_portaudio.start_stream(stream)
print "* recording"
for i in range(0, 44100 / chunk * RECORD_SECONDS):
data = _portaudio.read_stream(stream, chunk)
_portaudio.write_stream(stream, data, chunk)
print "* stopping stream"
_portaudio.stop_stream(stream)
print "* closing stream"
_portaudio.close(stream)
# match all initialize() with terminate() calls
_portaudio.terminate()
