Somewhere inbetween. Everything broken
This commit is contained in:
parent
59f82ae14c
commit
a39d8300a1
|
|
@ -1,5 +1,6 @@
|
|||
*.a
|
||||
*.pyc
|
||||
lasp_rtaudio.cxx
|
||||
dist
|
||||
CMakeFiles
|
||||
CMakeCache.txt
|
||||
|
|
@ -23,6 +24,5 @@ LASP.egg-info
|
|||
lasp_octave_fir.*
|
||||
lasp/ui_*
|
||||
resources_rc.py
|
||||
lasp/device/lasp_daqdevice.c
|
||||
.ropeproject
|
||||
.spyproject
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
cmake_minimum_required (VERSION 3.0)
|
||||
project(beamforming)
|
||||
project(LASP)
|
||||
|
||||
# Whether we want to use blas yes or no
|
||||
set(LASP_USE_BLAS TRUE)
|
||||
|
|
@ -39,6 +39,7 @@ set(Python_ADDITIONAL_VERSIONS "3")
|
|||
|
||||
if(LASP_DEBUG)
|
||||
set(TRACERNAME LASPTracer)
|
||||
set(LASP_DEBUG_CYTHON=True)
|
||||
set(CMAKE_BUILD_TYPE Debug)
|
||||
message("Building debug code")
|
||||
set(CMAKE_BUILD_TYPE Debug)
|
||||
|
|
@ -46,8 +47,6 @@ if(LASP_DEBUG)
|
|||
add_definitions(-DTRACERNAME=${TRACERNAME})
|
||||
add_definitions(-DDEBUG)
|
||||
add_definitions(-DTRACER=1)
|
||||
|
||||
set(CYTHON_VARIABLES "#cython: boundscheck=True")
|
||||
# This will produce html files
|
||||
set(CYTHON_ANNOTATE ON)
|
||||
# Add the __FILENAME__ macro
|
||||
|
|
@ -55,9 +54,9 @@ if(LASP_DEBUG)
|
|||
else()
|
||||
message("Building LASP for release")
|
||||
set(CMAKE_BUILD_TYPE Release)
|
||||
set(LASP_DEBUG_CYTHON=False)
|
||||
set(CYTHON_ANNOTATE OFF)
|
||||
set(CYTHON_NO_DOCSTRINGS ON)
|
||||
set(CYTHON_VARIABLES "#cython: boundscheck=False,wraparound=False,embedsignature=False,emit_code_comments=False")
|
||||
# Strip unnecessary symbols
|
||||
# set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--gc-sections")
|
||||
# set(CMAKE_MODULE_LINKER_FLAGS "-Wl,--gc-sections")
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
|
||||
configure_file(config.pxi.in config.pxi)
|
||||
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
|
||||
set(CYTHON_EXECUTABLE "cython3")
|
||||
include(UseCython)
|
||||
find_package(Numpy REQUIRED )
|
||||
|
||||
|
|
|
|||
|
|
@ -1,68 +1,7 @@
|
|||
import numpy as np
|
||||
cimport numpy as np
|
||||
from libcpp cimport bool
|
||||
cimport numpy as cnp
|
||||
|
||||
DEF LASP_FLOAT = "@LASP_FLOAT@"
|
||||
DEF LASP_DEBUG_CYTHON = "@LASP_DEBUG_CYTHON@"
|
||||
|
||||
IF LASP_FLOAT == "double":
|
||||
ctypedef double d
|
||||
ctypedef double complex c
|
||||
NUMPY_FLOAT_TYPE = np.float64
|
||||
NUMPY_COMPLEX_TYPE = np.complex128
|
||||
CYTHON_NUMPY_FLOAT_t = np.NPY_FLOAT64
|
||||
CYTHON_NUMPY_COMPLEX_t = np.NPY_COMPLEX128
|
||||
|
||||
ELSE:
|
||||
ctypedef float d
|
||||
ctypedef float complex c
|
||||
NUMPY_FLOAT_TYPE = np.float32
|
||||
NUMPY_COMPLEX_TYPE = np.complex64
|
||||
CYTHON_NUMPY_FLOAT_t = np.NPY_FLOAT32
|
||||
CYTHON_NUMPY_COMPLEX_t = np.NPY_COMPLEX64
|
||||
|
||||
ctypedef size_t us
|
||||
|
||||
cdef extern from "lasp_tracer.h":
|
||||
void setTracerLevel(int)
|
||||
void TRACE(int,const char*)
|
||||
void fsTRACE(int)
|
||||
void feTRACE(int)
|
||||
void clearScreen()
|
||||
|
||||
|
||||
cdef extern from "lasp_mat.h":
|
||||
ctypedef struct dmat:
|
||||
us n_cols
|
||||
us n_rows
|
||||
d* _data
|
||||
bint _foreign_data
|
||||
ctypedef struct cmat:
|
||||
pass
|
||||
ctypedef cmat vc
|
||||
ctypedef dmat vd
|
||||
|
||||
dmat dmat_foreign_data(us n_rows,
|
||||
us n_cols,
|
||||
d* data,
|
||||
bint own_data)
|
||||
cmat cmat_foreign_data(us n_rows,
|
||||
us n_cols,
|
||||
c* data,
|
||||
bint own_data)
|
||||
|
||||
cmat cmat_alloc(us n_rows,us n_cols)
|
||||
dmat dmat_alloc(us n_rows,us n_cols)
|
||||
vd vd_foreign(const us size,d* data)
|
||||
void vd_free(vd*)
|
||||
|
||||
void dmat_free(dmat*)
|
||||
void cmat_free(cmat*)
|
||||
void cmat_copy(cmat* to,cmat* from_)
|
||||
|
||||
|
||||
cdef extern from "numpy/arrayobject.h":
|
||||
void PyArray_ENABLEFLAGS(np.ndarray arr, int flags)
|
||||
|
||||
|
||||
cdef extern from "lasp_python.h":
|
||||
object dmat_to_ndarray(dmat*,bint transfer_ownership)
|
||||
from libcpp cimport bool
|
||||
|
|
|
|||
|
|
@ -1,4 +1,13 @@
|
|||
set_source_files_properties(lasp_daqdevice.c PROPERTIES COMPILE_FLAGS "${CMAKE_C_FLAGS} ${CYTHON_EXTRA_C_FLAGS}")
|
||||
# set_source_files_properties(lasp_portaudio.c PROPERTIES COMPILE_FLAGS "${CMAKE_C_FLAGS} ${CYTHON_EXTRA_C_FLAGS}")
|
||||
include_directories(/usr/include/rtaudio)
|
||||
set_source_files_properties(lasp_rtaudio.pyx PROPERTIES CYTHON_IS_CXX TRUE)
|
||||
set_source_files_properties(lasp_rtaudio.cxx PROPERTIES COMPILE_FLAGS
|
||||
"${CMAKE_CXX_FLAGS} ${CYTHON_EXTRA_CXX_FLAGS}")
|
||||
cython_add_module(lasp_daqdevice lasp_daqdevice.pyx)
|
||||
# cython_add_module(lasp_portaudio lasp_portaudio.pyx) */
|
||||
cython_add_module(lasp_rtaudio lasp_rtaudio.pyx)
|
||||
|
||||
# target_link_libraries(lasp_portaudio portaudio) */
|
||||
target_link_libraries(lasp_rtaudio rtaudio)
|
||||
target_link_libraries(lasp_daqdevice asound)
|
||||
|
|
|
|||
|
|
@ -9,11 +9,12 @@ Data Acquistiion (DAQ) device descriptors, and the DAQ devices themselves
|
|||
|
||||
"""
|
||||
from dataclasses import dataclass, field
|
||||
from .lasp_daqdevice import query_devices, DeviceInfo
|
||||
__all__ = ['DAQConfiguration', 'roga_plugndaq', 'umik',
|
||||
'default_soundcard', 'configs',
|
||||
'findDAQDevice']
|
||||
|
||||
@dataclass
|
||||
class DAQInputChannel:
|
||||
channel_enabled: bool
|
||||
channel_name: str
|
||||
sensitivity: float
|
||||
|
||||
@dataclass
|
||||
class DAQConfiguration:
|
||||
|
|
@ -21,11 +22,9 @@ class DAQConfiguration:
|
|||
Initialize a device descriptor
|
||||
|
||||
Args:
|
||||
name: Name of the device to appear to the user
|
||||
cardname: ALSA name identifier
|
||||
cardlongnamematch: Long name according to ALSA
|
||||
device_name: ASCII name with which to open the device when connected
|
||||
en_format: index in the list of sample formats
|
||||
input_device_name: ASCII name with which to open the device when connected
|
||||
outut_device_name: ASCII name with which to open the device when connected
|
||||
en_format: index of the format in the list of sample formats
|
||||
en_input_rate: index of enabled input sampling frequency [Hz]
|
||||
in the list of frequencies.
|
||||
en_input_channels: list of channel indices which are used to
|
||||
|
|
@ -42,19 +41,13 @@ class DAQConfiguration:
|
|||
|
||||
|
||||
"""
|
||||
|
||||
name: str
|
||||
cardname: str
|
||||
cardlongnamematch: str
|
||||
device_name: str
|
||||
en_format: int
|
||||
input_device_name: bytes
|
||||
output_device_name: bytes
|
||||
en_bit_depth: int
|
||||
en_input_rate: int
|
||||
en_input_channels: list
|
||||
input_sensitivity: list
|
||||
input_gain_settings: list
|
||||
en_input_gain_settings: list = field(default_factory=list)
|
||||
en_output_rate: int = -1
|
||||
en_output_channels: list = field(default_factory=list)
|
||||
|
||||
def match(self, device):
|
||||
"""
|
||||
|
|
@ -83,50 +76,12 @@ class DAQConfiguration:
|
|||
|
||||
return match
|
||||
|
||||
|
||||
roga_plugndaq = DAQConfiguration(name='Roga-instruments Plug.n.DAQ USB',
|
||||
cardname='USB Audio CODEC',
|
||||
cardlongnamematch='Burr-Brown from TI USB'
|
||||
' Audio CODEC',
|
||||
device_name='iec958:CARD=CODEC,DEV=0',
|
||||
en_format=0,
|
||||
en_input_rate=2,
|
||||
en_input_channels=[0],
|
||||
input_sensitivity=[46.92e-3, 46.92e-3],
|
||||
input_gain_settings=[-20, 0, 20],
|
||||
en_input_gain_settings=[1, 1],
|
||||
en_output_rate=1,
|
||||
en_output_channels=[False, False]
|
||||
)
|
||||
umik = DAQConfiguration(name='UMIK-1',
|
||||
cardname='Umik-1 Gain: 18dB',
|
||||
cardlongnamematch='miniDSP Umik-1 Gain: 18dB',
|
||||
device_name='iec958:CARD=U18dB,DEV=0',
|
||||
en_format=0,
|
||||
en_input_rate=0,
|
||||
en_input_channels=[0],
|
||||
input_sensitivity=[1., 1.],
|
||||
input_gain_settings=[0., 0.],
|
||||
en_input_gain_settings=[0, 0],
|
||||
en_output_rate=0,
|
||||
en_output_channels=[True, True]
|
||||
)
|
||||
|
||||
default_soundcard = DAQConfiguration(name="Default device",
|
||||
cardname=None,
|
||||
cardlongnamematch=None,
|
||||
device_name='default',
|
||||
en_format=0,
|
||||
en_input_rate=2,
|
||||
en_input_channels=[0],
|
||||
input_sensitivity=[1.0, 1.0],
|
||||
input_gain_settings=[0],
|
||||
en_input_gain_settings=[0, 0],
|
||||
en_output_rate=1,
|
||||
en_output_channels=[]
|
||||
)
|
||||
configs = (roga_plugndaq, default_soundcard)
|
||||
|
||||
@staticmethod
|
||||
def emptyFromDeviceAndSettings(device):
|
||||
return DAQConfiguration(
|
||||
name = 'UNKNOWN'
|
||||
input_device_name =
|
||||
|
||||
|
||||
def findDAQDevice(config: DAQConfiguration) -> DeviceInfo:
|
||||
"""
|
||||
|
|
|
|||
|
|
@ -0,0 +1,389 @@
|
|||
import sys
|
||||
include "config.pxi"
|
||||
cimport cython
|
||||
from libcpp.string cimport string
|
||||
from libcpp.vector cimport vector
|
||||
from libc.string cimport memcpy
|
||||
|
||||
cdef extern from "RtAudio.h" nogil:
|
||||
ctypedef unsigned long RtAudioStreamStatus
|
||||
RtAudioStreamStatus RTAUDIO_INPUT_OVERFLOW
|
||||
RtAudioStreamStatus RTAUDIO_OUTPUT_UNDERFLOW
|
||||
|
||||
cdef cppclass RtAudioError:
|
||||
ctypedef enum Type:
|
||||
WARNING
|
||||
DEBUG_WARNING
|
||||
UNSPECIFIED
|
||||
NO_DEVICES_FOUND
|
||||
INVALID_DEVICE
|
||||
MEMORY_ERROR
|
||||
INVALID_PARAMETER
|
||||
INVALID_USE
|
||||
DRIVER_ERROR
|
||||
SYSTEM_ERROR
|
||||
THREAD_ERROR
|
||||
|
||||
ctypedef unsigned long RtAudioStreamFlags
|
||||
RtAudioStreamFlags RT_AUDIO_NONINTERLEAVED
|
||||
RtAudioStreamFlags RTAUDIO_MINIMIZE_LATENCY
|
||||
RtAudioStreamFlags RTAUDIO_HOG_DEVICE
|
||||
RtAudioStreamFlags RTAUDIO_ALSA_USE_DEFAULT
|
||||
RtAudioStreamFlags RTAUDIO_JACK_DONT_CONNECT
|
||||
|
||||
ctypedef unsigned long RtAudioFormat
|
||||
RtAudioFormat RTAUDIO_SINT8
|
||||
RtAudioFormat RTAUDIO_SINT16
|
||||
RtAudioFormat RTAUDIO_SINT24
|
||||
RtAudioFormat RTAUDIO_SINT32
|
||||
RtAudioFormat RTAUDIO_FLOAT32
|
||||
RtAudioFormat RTAUDIO_FLOAT64
|
||||
|
||||
ctypedef int (*RtAudioCallback)(void* outputBuffer,
|
||||
void* inputBuffer,
|
||||
unsigned int nFrames,
|
||||
double streamTime,
|
||||
RtAudioStreamStatus status,
|
||||
void* userData)
|
||||
|
||||
ctypedef void (*RtAudioErrorCallback)(RtAudioError.Type _type,
|
||||
const string& errortxt)
|
||||
|
||||
cdef cppclass cppRtAudio "RtAudio":
|
||||
cppclass DeviceInfo:
|
||||
bool probed
|
||||
string name
|
||||
unsigned int outputChannels
|
||||
unsigned int inputChannels
|
||||
unsigned int duplexChannels
|
||||
bool isDefaultOutput
|
||||
bool isDefaultInput
|
||||
vector[unsigned int] sampleRates
|
||||
unsigned int preferredSampleRate
|
||||
RtAudioFormat nativeFormats
|
||||
|
||||
cppclass StreamOptions:
|
||||
RtAudioStreamFlags flags
|
||||
unsigned int numberOfBuffers
|
||||
string streamName
|
||||
int priority
|
||||
cppclass StreamParameters:
|
||||
unsigned int deviceId
|
||||
unsigned int nChannels
|
||||
unsigned int firstChannel
|
||||
|
||||
RtAudio() except +
|
||||
# ~RtAudio() Destructors should not be listed
|
||||
unsigned int getDeviceCount()
|
||||
DeviceInfo getDeviceInfo(unsigned int device)
|
||||
unsigned int getDefaultOutputDevice()
|
||||
unsigned int getDefaultInputDevice()
|
||||
void openStream(StreamParameters* outputParameters,
|
||||
StreamParameters* intputParameters,
|
||||
RtAudioFormat _format,
|
||||
unsigned int sampleRate,
|
||||
unsigned int* bufferFrames,
|
||||
RtAudioCallback callback,
|
||||
void* userData,
|
||||
void* StreamOptions,
|
||||
RtAudioErrorCallback) except +
|
||||
void closeStream()
|
||||
void startStream() except +
|
||||
void stopStream() except +
|
||||
void abortStream() except +
|
||||
bool isStreamOpen()
|
||||
bool isStreamRunning()
|
||||
double getStreamTime()
|
||||
void setStreamTime(double) except +
|
||||
long getStreamLatency()
|
||||
unsigned int getStreamSampleRate()
|
||||
void showWarnings(bool value)
|
||||
|
||||
cdef class SampleFormat:
|
||||
cdef:
|
||||
RtAudioFormat _format
|
||||
string _name
|
||||
public:
|
||||
# The size in bytes of a single audio sample, for the current
|
||||
# format
|
||||
unsigned int sampleSize
|
||||
|
||||
def __cinit__(self, RtAudioFormat format_):
|
||||
self._format = format_
|
||||
if format_ == RTAUDIO_SINT8:
|
||||
self._name = b'8-bit integers'
|
||||
self.sampleSize = 1
|
||||
elif format_ == RTAUDIO_SINT16:
|
||||
self._name = b'16-bit integers'
|
||||
self.sampleSize = 2
|
||||
elif format_ == RTAUDIO_SINT24:
|
||||
self._name = b'24-bit integers'
|
||||
self.sampleSize = 3
|
||||
elif format_ == RTAUDIO_SINT32:
|
||||
self._name = b'32-bit integers'
|
||||
self.sampleSize = 4
|
||||
elif format_ == RTAUDIO_FLOAT32:
|
||||
self._name = b'32-bit floats'
|
||||
self.sampleSize = 4
|
||||
elif format_ == RTAUDIO_FLOAT64:
|
||||
self._name = b'64-bit floats'
|
||||
self.sampleSize = 8
|
||||
else:
|
||||
raise ValueError('Invalid RtAudioFormat code')
|
||||
|
||||
def __repr__(self):
|
||||
return self._name.decode('utf-8')
|
||||
|
||||
|
||||
def __str__(self):
|
||||
return self.__repr__()
|
||||
|
||||
# Pre-define format and expose to Python
|
||||
Format_SINT8 = SampleFormat(RTAUDIO_SINT8)
|
||||
Format_SINT16 = SampleFormat(RTAUDIO_SINT16)
|
||||
Format_SINT24 = SampleFormat(RTAUDIO_SINT24)
|
||||
Format_SINT32 = SampleFormat(RTAUDIO_SINT32)
|
||||
Format_FLOAT32 = SampleFormat(RTAUDIO_FLOAT32)
|
||||
Format_FLOAT64 = SampleFormat(RTAUDIO_FLOAT64)
|
||||
|
||||
cdef class _Stream:
|
||||
cdef:
|
||||
object pyCallback
|
||||
RtAudioFormat format
|
||||
cppRtAudio.StreamParameters inputParams
|
||||
cppRtAudio.StreamParameters outputParams
|
||||
# These boolean values tell us whether the structs above here are
|
||||
# initialized and contain valid data
|
||||
bool hasInput
|
||||
bool hasOutput
|
||||
unsigned int bufferFrames
|
||||
|
||||
|
||||
# It took me quite a long time to fully understand Cython's idiosyncrasies
|
||||
# concerning C(++) callbacks, the GIL and passing Python objects as pointers
|
||||
# into C(++) functions. But finally, here it is!
|
||||
cdef object fromBufferToNPYNoCopy(buffer_format_type,
|
||||
void* buf,
|
||||
size_t nchannels,
|
||||
size_t nframes):
|
||||
cdef cnp.npy_intp[2] dims = [nchannels, nframes];
|
||||
|
||||
array = cnp.PyArray_SimpleNewFromData(2, dims, buffer_format_type,
|
||||
buf)
|
||||
|
||||
return array
|
||||
|
||||
cdef void fromNPYToBuffer(cnp.ndarray arr,
|
||||
void* buf):
|
||||
"""
|
||||
Copy a Python numpy array over to a buffer
|
||||
No checks, just memcpy! Careful!
|
||||
"""
|
||||
memcpy(buf, arr.data, arr.size*arr.itemsize)
|
||||
|
||||
|
||||
cdef int audioCallback(void* outputBuffer,
|
||||
void* inputBuffer,
|
||||
unsigned int nFrames,
|
||||
double streamTime,
|
||||
RtAudioStreamStatus status,
|
||||
void* userData) nogil:
|
||||
"""
|
||||
Calls the Python callback function and converts data
|
||||
|
||||
"""
|
||||
cdef int rval = 0
|
||||
|
||||
with gil:
|
||||
if status == RTAUDIO_INPUT_OVERFLOW:
|
||||
print('Input overflow.')
|
||||
return 0
|
||||
if status == RTAUDIO_OUTPUT_UNDERFLOW:
|
||||
print('Output underflow.')
|
||||
return 0
|
||||
stream = <_Stream>(userData)
|
||||
|
||||
# Obtain stream information
|
||||
npy_input = None
|
||||
if stream.hasInput:
|
||||
assert inputBuffer != NULL
|
||||
# cdef
|
||||
try:
|
||||
npy_output, rval = stream.pyCallback(npy_input,
|
||||
nFrames,
|
||||
streamTime)
|
||||
except Exception as e:
|
||||
print('Exception in Python callback: ', str(e))
|
||||
return 1
|
||||
|
||||
|
||||
if stream.hasOutput:
|
||||
if npy_output is None:
|
||||
print('No output buffer given!')
|
||||
return 1
|
||||
IF LASP_DEBUG_CYTHON:
|
||||
try:
|
||||
assert outputBuffer != NULL, "Bug: RtAudio does not give output buffer!"
|
||||
assert npy_output.shape[0] == stream.outputParams.nChannels, "Bug: channel mismatch in output buffer!"
|
||||
assert npy_output.shape[1] == nFrames, "Bug: frame mismatch in output buffer!"
|
||||
assert npy_output.itemsize == stream._format.sampleSize, "Bug: invalid sample type in output buffer!"
|
||||
except AssertionError as e:
|
||||
print(e)
|
||||
fromNPYToBuffer(npy_output, outputBuffer)
|
||||
return rval
|
||||
|
||||
cdef void errorCallback(RtAudioError.Type _type,const string& errortxt) nogil:
|
||||
pass
|
||||
|
||||
|
||||
cdef class RtAudio:
|
||||
cdef:
|
||||
cppRtAudio _rtaudio
|
||||
_Stream _stream
|
||||
|
||||
def __cinit__(self):
|
||||
self._stream = None
|
||||
|
||||
def __dealloc__(self):
|
||||
if self._stream is not None:
|
||||
print('Force closing stream')
|
||||
self._rtaudio.closeStream()
|
||||
|
||||
cpdef unsigned int getDeviceCount(self):
|
||||
return self._rtaudio.getDeviceCount()
|
||||
|
||||
cpdef unsigned int getDefaultOutputDevice(self):
|
||||
return self._rtaudio.getDefaultOutputDevice()
|
||||
|
||||
cpdef unsigned int getDefaultInputDevice(self):
|
||||
return self._rtaudio.getDefaultInputDevice()
|
||||
|
||||
def getDeviceInfo(self, unsigned int device):
|
||||
"""
|
||||
Return device information of the current device
|
||||
"""
|
||||
cdef cppRtAudio.DeviceInfo devinfo = self._rtaudio.getDeviceInfo(device)
|
||||
pydevinfo = {}
|
||||
pydevinfo['index'] = device
|
||||
pydevinfo['probed'] = devinfo.probed
|
||||
pydevinfo['name'] = devinfo.name.decode('utf-8')
|
||||
pydevinfo['outputchannels'] = devinfo.outputChannels
|
||||
pydevinfo['inputchannels'] = devinfo.inputChannels
|
||||
pydevinfo['duplexchannels'] = devinfo.duplexChannels
|
||||
pydevinfo['isdefaultoutput'] = devinfo.isDefaultOutput
|
||||
pydevinfo['isdefaultinpput'] = devinfo.isDefaultInput
|
||||
pydevinfo['samplerates'] = devinfo.sampleRates
|
||||
pydevinfo['prefsamprate'] = devinfo.preferredSampleRate
|
||||
# Manually add these
|
||||
nf = devinfo.nativeFormats
|
||||
sampleformats = []
|
||||
for format_ in [ RTAUDIO_SINT8, RTAUDIO_SINT16, RTAUDIO_SINT24,
|
||||
RTAUDIO_SINT32, RTAUDIO_FLOAT32, RTAUDIO_FLOAT64]:
|
||||
if nf & format_:
|
||||
sampleformats.append(SampleFormat(format_))
|
||||
|
||||
pydevinfo['sampleformats'] = sampleformats
|
||||
return pydevinfo
|
||||
|
||||
def openStream(self,object outputParams,
|
||||
object inputParams,
|
||||
SampleFormat format,
|
||||
unsigned int sampleRate,
|
||||
unsigned int bufferFrames,
|
||||
object pyCallback,
|
||||
object options = None,
|
||||
object pyErrorCallback = None):
|
||||
"""
|
||||
Opening a stream with specified parameters
|
||||
|
||||
Args:
|
||||
outputParams: dictionary of stream outputParameters, set to None
|
||||
if no outputPararms are specified
|
||||
inputParams: dictionary of stream inputParameters, set to None
|
||||
if no inputPararms are specified
|
||||
sampleRate: desired sample rate.
|
||||
bufferFrames: the amount of frames in a callback buffer
|
||||
callback: callback to call. Note: this callback is called on a
|
||||
different thread!
|
||||
options: A dictionary of optional additional stream options
|
||||
errorCallback: client-defined function that will be invoked when an
|
||||
error has occured.
|
||||
|
||||
Returns: None
|
||||
"""
|
||||
if self._stream is not None:
|
||||
raise RuntimeError('Stream is already opened.')
|
||||
|
||||
cdef cppRtAudio.StreamParameters *rtOutputParams_ptr = NULL
|
||||
cdef cppRtAudio.StreamParameters *rtInputParams_ptr = NULL
|
||||
|
||||
cdef cppRtAudio.StreamOptions streamoptions
|
||||
streamoptions.flags = RTAUDIO_HOG_DEVICE
|
||||
streamoptions.numberOfBuffers = 4
|
||||
|
||||
self._stream = _Stream()
|
||||
self._stream.pyCallback = pyCallback
|
||||
|
||||
if outputParams is not None:
|
||||
rtOutputParams_ptr = &self._stream.outputParams
|
||||
rtOutputParams_ptr.deviceId = outputParams['deviceid']
|
||||
rtOutputParams_ptr.nChannels = outputParams['nchannels']
|
||||
rtOutputParams_ptr.firstChannel = outputParams['firstchannel']
|
||||
self._stream.hasOutput = True
|
||||
|
||||
if inputParams is not None:
|
||||
rtOutputParams_ptr = &self._stream.inputParams
|
||||
rtInputParams_ptr.deviceId = inputParams['deviceid']
|
||||
rtInputParams_ptr.nChannels = inputParams['nchannels']
|
||||
rtInputParams_ptr.firstChannel = inputParams['firstchannel']
|
||||
self._stream.hasInput = True
|
||||
|
||||
try:
|
||||
self._stream.bufferFrames = bufferFrames
|
||||
self._rtaudio.openStream(rtOutputParams_ptr,
|
||||
rtInputParams_ptr,
|
||||
format._format,
|
||||
sampleRate,
|
||||
&self._stream.bufferFrames,
|
||||
audioCallback,
|
||||
<void*> self._stream,
|
||||
&streamoptions, # Stream options
|
||||
errorCallback # Error callback
|
||||
)
|
||||
except Exception as e:
|
||||
print('Exception occured in stream opening: ', str(e))
|
||||
self._stream = None
|
||||
|
||||
def startStream(self):
|
||||
self._rtaudio.startStream()
|
||||
|
||||
def stopStream(self):
|
||||
if not self._stream:
|
||||
raise RuntimeError('Stream is not opened')
|
||||
self._rtaudio.stopStream()
|
||||
|
||||
def closeStream(self):
|
||||
if not self._stream:
|
||||
raise RuntimeError('Stream is not opened')
|
||||
# Closing stream
|
||||
self._rtaudio.closeStream()
|
||||
self._stream = None
|
||||
|
||||
def abortStream(self):
|
||||
if not self._stream:
|
||||
raise RuntimeError('Stream is not opened')
|
||||
self._rtaudio.abortStream()
|
||||
|
||||
def isStreamOpen(self):
|
||||
return self._rtaudio.isStreamOpen()
|
||||
|
||||
def isStreamRunning(self):
|
||||
return self._rtaudio.isStreamRunning()
|
||||
|
||||
def getStreamTime(self):
|
||||
return self._rtaudio.getStreamTime()
|
||||
|
||||
def setStreamTime(self, double time):
|
||||
return self._rtaudio.setStreamTime(time)
|
||||
|
||||
|
||||
|
|
@ -2,14 +2,36 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
import numpy as np
|
||||
from .wrappers import Window as wWindow
|
||||
import appdirs, os, shelve
|
||||
"""
|
||||
Common definitions used throughout the code.
|
||||
"""
|
||||
|
||||
__all__ = ['P_REF', 'FreqWeighting', 'TimeWeighting', 'getTime', 'calfile',
|
||||
'getFreq',
|
||||
__all__ = ['P_REF', 'FreqWeighting', 'TimeWeighting', 'getTime',
|
||||
'getFreq', 'lasp_shelve'
|
||||
'W_REF', 'U_REF', 'I_REF']
|
||||
|
||||
lasp_appdir = appdirs.user_data_dir('Lasp', 'ASCEE')
|
||||
|
||||
|
||||
if not os.path.exists(lasp_appdir):
|
||||
try:
|
||||
os.mkdir(lasp_appdir)
|
||||
except:
|
||||
print('Fatal error: could not create application directory')
|
||||
exit(1)
|
||||
|
||||
|
||||
class lasp_shelve:
|
||||
def __enter__(self):
|
||||
self.shelve = shelve.open(os.path.join(lasp_appdir, 'config.shelve'))
|
||||
return self.shelve
|
||||
|
||||
def __exit__(self, type, value, traceback):
|
||||
self.shelve.close()
|
||||
|
||||
|
||||
|
||||
# Reference sound pressure level
|
||||
P_REF = 2e-5
|
||||
|
||||
|
|
@ -19,9 +41,6 @@ I_REF = 1e-12 # 1 picoWatt/ m^2
|
|||
# Reference velocity for sound velocity level
|
||||
U_REF = 5e-8
|
||||
|
||||
# Todo: fix This
|
||||
calfile = None
|
||||
|
||||
|
||||
class Window:
|
||||
hann = (wWindow.hann, 'Hann')
|
||||
|
|
|
|||
|
|
@ -2,6 +2,68 @@
|
|||
This file contains the Cython wrapper functions to C implementations.
|
||||
"""
|
||||
include "config.pxi"
|
||||
IF LASP_FLOAT == "double":
|
||||
ctypedef double d
|
||||
ctypedef double complex c
|
||||
NUMPY_FLOAT_TYPE = np.float64
|
||||
NUMPY_COMPLEX_TYPE = np.complex128
|
||||
CYTHON_NUMPY_FLOAT_t = cnp.NPY_FLOAT64
|
||||
CYTHON_NUMPY_COMPLEX_t = cnp.NPY_COMPLEX128
|
||||
|
||||
ELSE:
|
||||
ctypedef float d
|
||||
ctypedef float complex c
|
||||
NUMPY_FLOAT_TYPE = np.float32
|
||||
NUMPY_COMPLEX_TYPE = np.complex64
|
||||
CYTHON_NUMPY_FLOAT_t = cnp.NPY_FLOAT32
|
||||
CYTHON_NUMPY_COMPLEX_t = cnp.NPY_COMPLEX64
|
||||
|
||||
ctypedef size_t us
|
||||
|
||||
cdef extern from "lasp_tracer.h":
|
||||
void setTracerLevel(int)
|
||||
void TRACE(int,const char*)
|
||||
void fsTRACE(int)
|
||||
void feTRACE(int)
|
||||
void clearScreen()
|
||||
|
||||
|
||||
cdef extern from "lasp_mat.h":
|
||||
ctypedef struct dmat:
|
||||
us n_cols
|
||||
us n_rows
|
||||
d* _data
|
||||
bint _foreign_data
|
||||
ctypedef struct cmat:
|
||||
pass
|
||||
ctypedef cmat vc
|
||||
ctypedef dmat vd
|
||||
|
||||
dmat dmat_foreign_data(us n_rows,
|
||||
us n_cols,
|
||||
d* data,
|
||||
bint own_data)
|
||||
cmat cmat_foreign_data(us n_rows,
|
||||
us n_cols,
|
||||
c* data,
|
||||
bint own_data)
|
||||
|
||||
cmat cmat_alloc(us n_rows,us n_cols)
|
||||
dmat dmat_alloc(us n_rows,us n_cols)
|
||||
vd vd_foreign(const us size,d* data)
|
||||
void vd_free(vd*)
|
||||
|
||||
void dmat_free(dmat*)
|
||||
void cmat_free(cmat*)
|
||||
void cmat_copy(cmat* to,cmat* from_)
|
||||
|
||||
|
||||
cdef extern from "numpy/arrayobject.h":
|
||||
void PyArray_ENABLEFLAGS(cnp.ndarray arr, int flags)
|
||||
|
||||
|
||||
cdef extern from "lasp_python.h":
|
||||
object dmat_to_ndarray(dmat*,bint transfer_ownership)
|
||||
|
||||
__all__ = ['AvPowerSpectra']
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,35 @@
|
|||
#!/usr/bin/python3
|
||||
import numpy as np
|
||||
from lasp_rtaudio import RtAudio, SampleFormat, Format_SINT32, Format_FLOAT64
|
||||
import time
|
||||
|
||||
|
||||
nframes = 0
|
||||
samplerate = 48000
|
||||
omg = 2*np.pi*1000
|
||||
|
||||
def mycallback(input_, nframes, streamtime):
|
||||
t = np.linspace(streamtime, streamtime + nframes/samplerate,
|
||||
nframes)[np.newaxis,:]
|
||||
outp = 0.1*np.sin(omg*t)
|
||||
return outp, 0
|
||||
|
||||
if __name__ == '__main__':
|
||||
pa = RtAudio()
|
||||
count = pa.getDeviceCount()
|
||||
# dev = pa.getDeviceInfo(0)
|
||||
for i in range(count):
|
||||
dev = pa.getDeviceInfo(i)
|
||||
print(dev)
|
||||
|
||||
outputparams = {'deviceid': 0, 'nchannels': 1, 'firstchannel': 0}
|
||||
pa.openStream(outputparams, None , Format_FLOAT64,samplerate, 512, mycallback)
|
||||
pa.startStream()
|
||||
|
||||
input()
|
||||
|
||||
pa.stopStream()
|
||||
pa.closeStream()
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue