Merged develop for version 1
This commit is contained in:
commit
32e5860352
@ -19,7 +19,7 @@ option(LASP_RTAUDIO "Compile with RtAudio Daq backend" ON)
|
||||
option(LASP_ULDAQ "Compile with UlDaq backend" ON)
|
||||
option(LASP_DEBUG "Compile in debug mode" ON)
|
||||
option(LASP_FFTW_BACKEND "Compile with FFTW fft backend" ON)
|
||||
option(LAS_FFTPACK_BACKEND "Compile with Fftpack fft backend" OFF)
|
||||
option(LASP_FFTPACK_BACKEND "Compile with Fftpack fft backend" OFF)
|
||||
|
||||
if(LASP_PARALLEL)
|
||||
add_definitions(-DLASP_MAX_NUM_THREADS=30)
|
||||
@ -39,10 +39,11 @@ add_definitions(-DLASP_MAX_NUM_CHANNELS=80)
|
||||
add_definitions(-DLASP_MAX_NFFT=33554432) # 2**25
|
||||
|
||||
# ####################################### End of user-adjustable variables section
|
||||
|
||||
set(CMAKE_CXX_STANDARD 11)
|
||||
set(CMAKE_C_STANDARD 11)
|
||||
|
||||
# ############### Choose an fft backend here
|
||||
if(LASP_FFTW_BACKEND AND LASP_FFTPACK_BACKEND)
|
||||
if(((LASP_FFTW_BACKEND AND LASP_FFTPACK_BACKEND) OR ((NOT (LASP_FFTPACK_BACKEND) AND (NOT LASP_FFTW_BACKEND)))))
|
||||
message(FATAL_ERROR "Either FFTW or Fftpack backend should be chosen. Please disable one of them")
|
||||
endif()
|
||||
|
||||
@ -61,6 +62,7 @@ if(LASP_FLOAT STREQUAL "double")
|
||||
add_definitions(-DLASP_FLOAT=64)
|
||||
add_definitions(-DLASP_DOUBLE_PRECISION)
|
||||
else()
|
||||
# TODO: This has not been tested for a long time.
|
||||
add_definitions(-DLASP_FLOAT=32)
|
||||
add_definitions(-DLASP_SINGLE_PRECISION)
|
||||
endif(LASP_FLOAT STREQUAL "double")
|
||||
@ -68,6 +70,7 @@ endif(LASP_FLOAT STREQUAL "double")
|
||||
|
||||
# ##################### END Cmake variables converted to a macro
|
||||
set(Python_ADDITIONAL_VERSIONS "3.8")
|
||||
set(python_version_windll "38")
|
||||
# #################### Setting definitions and debug-specific compilation flags
|
||||
|
||||
# General make flags
|
||||
@ -77,21 +80,28 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -Wall -Wextra -Wno-type-limits \
|
||||
|
||||
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
|
||||
set(win32 true)
|
||||
set(home $ENV{USERPROFILE})
|
||||
# set(miniconda_dir ${home}\\Miniconda3)
|
||||
|
||||
message("Building for Windows")
|
||||
include_directories(
|
||||
..\\rtaudio
|
||||
C:\\mingw\\include\\OpenBLAS
|
||||
C:\\mingw\\mingw64\\include\\OpenBLAS
|
||||
link_directories(${home}\\miniconda3\\Library\\include)
|
||||
)
|
||||
set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH} $miniconda_dir\\Lib\\cmake")
|
||||
# include(
|
||||
add_definitions(-DMS_WIN64)
|
||||
link_directories(C:\\mingw\\lib)
|
||||
link_directories(C:\\mingw\\bin)
|
||||
link_directories(C:\\mingw\\mingw64\\lib)
|
||||
link_directories(C:\\mingw\\mingw64\\bin)
|
||||
link_directories(..\\rtaudio)
|
||||
link_directories(C:\\Users\\User\\Miniconda3)
|
||||
link_directories(${home}\\Miniconda3)
|
||||
add_definitions(-DHAS_RTAUDIO_WIN_WASAPI_API)
|
||||
else()
|
||||
else() # Linux compile
|
||||
set(win32 false)
|
||||
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -std=c11 \
|
||||
-Werror=incompatible-pointer-types")
|
||||
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -Werror=incompatible-pointer-types")
|
||||
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
|
||||
include_directories(/usr/local/include/rtaudio)
|
||||
include_directories(/usr/include/rtaudio)
|
||||
link_directories(/usr/local/lib)
|
||||
@ -136,7 +146,7 @@ set(CYTHON_EXTRA_C_FLAGS "-Wno-sign-compare -Wno-cpp -Wno-implicit-fallthrough -
|
||||
set(CYTHON_EXTRA_CXX_FLAGS "-Wno-sign-compare -Wno-cpp -Wno-implicit-fallthrough -Wno-strict-aliasing")
|
||||
|
||||
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -std=c++11 -Wall -Wextra \
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra \
|
||||
-Wno-type-limits")
|
||||
|
||||
# Debug make flags
|
||||
|
@ -62,6 +62,14 @@ compilation:
|
||||
- libopenblas-base
|
||||
- libopenblas-dev
|
||||
|
||||
#### Windows specific
|
||||
|
||||
Tested using a Anacond / Miniconda Python environment. Please first run the following command:
|
||||
|
||||
`conda install fftw`
|
||||
|
||||
in case you want the *FFTW* fft backend.
|
||||
|
||||
### Dependencies
|
||||
|
||||
#### Ubuntu / Linux Mint
|
||||
|
@ -17,5 +17,5 @@ set_source_files_properties(wrappers.c PROPERTIES COMPILE_FLAGS "${CMAKE_C_FLAGS
|
||||
cython_add_module(wrappers wrappers.pyx)
|
||||
target_link_libraries(wrappers lasp_lib)
|
||||
if(win32)
|
||||
target_link_libraries(wrappers python37)
|
||||
target_link_libraries(wrappers python${python_version_windll})
|
||||
endif(win32)
|
||||
|
@ -1,10 +1,12 @@
|
||||
from .lasp_atomic import *
|
||||
from .lasp_avstream import *
|
||||
from .lasp_common import *
|
||||
from .lasp_avstream import *
|
||||
from .wrappers import *
|
||||
from .lasp_atomic import *
|
||||
from .lasp_imptube import *
|
||||
from .lasp_measurement import *
|
||||
from .lasp_octavefilter import *
|
||||
from .lasp_slm import *
|
||||
from .lasp_record import *
|
||||
from .lasp_siggen import *
|
||||
from .lasp_weighcal import *
|
||||
from .wrappers import *
|
||||
from .device import AvType
|
||||
from .tools import *
|
||||
|
@ -17,6 +17,7 @@ add_library(lasp_lib
|
||||
lasp_mq.c
|
||||
lasp_siggen.c
|
||||
lasp_worker.c
|
||||
lasp_nprocs.c
|
||||
lasp_dfifo.c
|
||||
lasp_firfilterbank.c
|
||||
lasp_sosfilterbank.c
|
||||
|
18
lasp/c/lasp_nprocs.c
Normal file
18
lasp/c/lasp_nprocs.c
Normal file
@ -0,0 +1,18 @@
|
||||
#ifdef MS_WIN64
|
||||
#include <windows.h>
|
||||
#else
|
||||
// Used for obtaining the number of processors
|
||||
#include <sys/sysinfo.h>
|
||||
#endif
|
||||
#include "lasp_nprocs.h"
|
||||
|
||||
us getNumberOfProcs() {
|
||||
#if MS_WIN64
|
||||
// https://stackoverflow.com/questions/150355/programmatically-find-the-number-of-cores-on-a-machine
|
||||
SYSTEM_INFO sysinfo;
|
||||
GetSystemInfo(&sysinfo);
|
||||
return sysinfo.dwNumberOfProcessors;
|
||||
#else
|
||||
return get_nprocs();
|
||||
#endif
|
||||
}
|
18
lasp/c/lasp_nprocs.h
Normal file
18
lasp/c/lasp_nprocs.h
Normal file
@ -0,0 +1,18 @@
|
||||
// lasp_nprocs.h
|
||||
//
|
||||
// Author: J.A. de Jong - ASCEE
|
||||
//
|
||||
// Description: Implemententation of a function to determine the number
|
||||
// of processors.
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#pragma once
|
||||
#ifndef LASP_NPROCS_H
|
||||
#define LASP_NPROCS_H
|
||||
#include "lasp_types.h"
|
||||
|
||||
/**
|
||||
* @return The number of SMP processors
|
||||
*/
|
||||
us getNumberOfProcs();
|
||||
|
||||
#endif // LASP_NPROCS_H
|
@ -22,7 +22,7 @@
|
||||
* Function passed to Python to use for cleanup of
|
||||
* foreignly obtained data.
|
||||
**/
|
||||
static inline void capsule_cleanup(void *capsule) {
|
||||
static inline void capsule_cleanup(PyObject *capsule) {
|
||||
void *memory = PyCapsule_GetPointer(capsule, NULL);
|
||||
free(memory);
|
||||
}
|
||||
@ -67,8 +67,12 @@ static inline PyObject *data_to_ndarray(void *data, int n_rows, int n_cols,
|
||||
// https://stackoverflow.com/questions/54269956/crash-of-jupyter-due-to-the-use-of-pyarray-enableflags/54278170#54278170
|
||||
// Note that in general it was disadvised to build all C code with MinGW on
|
||||
// Windows. We do it anyway, see if we find any problems on the way.
|
||||
void *capsule = PyCapsule_New(mat->_data, NULL, capsule_cleanup);
|
||||
PyArray_SetBaseObject(arr, capsule);
|
||||
PyObject *capsule = PyCapsule_New(data, "data destructor", capsule_cleanup);
|
||||
int res = PyArray_SetBaseObject(arr, capsule);
|
||||
if(res != 0) {
|
||||
fprintf(stderr, "Failed to set base object of array!");
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
/* fprintf(stderr, "============Ownership transfer================\n"); */
|
||||
PyArray_ENABLEFLAGS(arr, NPY_OWNDATA);
|
||||
|
@ -332,6 +332,13 @@ us Siggen_getN(const Siggen* siggen) {
|
||||
feTRACE(15);
|
||||
return 0;
|
||||
}
|
||||
void Siggen_setLevel(Siggen* siggen, const d new_level_dB) {
|
||||
fsTRACE(15);
|
||||
|
||||
siggen->level_amp = d_pow(10, new_level_dB/20);
|
||||
|
||||
feTRACE(15);
|
||||
}
|
||||
|
||||
void Siggen_free(Siggen* siggen) {
|
||||
fsTRACE(15);
|
||||
|
@ -46,6 +46,14 @@ Siggen* Siggen_Sinewave_create(const d fs,const d freq,const d level_dB);
|
||||
*/
|
||||
Siggen* Siggen_Noise_create(const d fs, const d level_dB, Sosfilterbank* colorfilter);
|
||||
|
||||
/**
|
||||
* Set the level of the signal generator
|
||||
* @param[in] Siggen* Signal generator handle
|
||||
*
|
||||
* @param[in] new_level_dB The new level, in dBFS
|
||||
*/
|
||||
void Siggen_setLevel(Siggen*, const d new_level_dB);
|
||||
|
||||
|
||||
/**
|
||||
* Obtain the repetition period for a periodic excitation.
|
||||
|
@ -2,7 +2,8 @@
|
||||
#include "lasp_sosfilterbank.h"
|
||||
#include "lasp_mq.h"
|
||||
#include "lasp_worker.h"
|
||||
#include <sys/sysinfo.h>
|
||||
#include "lasp_nprocs.h"
|
||||
|
||||
|
||||
|
||||
typedef struct Sosfilterbank {
|
||||
@ -89,7 +90,7 @@ Sosfilterbank* Sosfilterbank_create(
|
||||
vd_free(&imp_response);
|
||||
|
||||
us nthreads;
|
||||
us nprocs = (us) get_nprocs();
|
||||
us nprocs = getNumberOfProcs();
|
||||
|
||||
if(nthreads_ == 0) {
|
||||
nthreads = min(max(nprocs/2,1), filterbank_size);
|
||||
|
@ -11,7 +11,7 @@ if(LASP_ULDAQ)
|
||||
list(PREPEND cpp_daq_linklibs uldaq)
|
||||
endif()
|
||||
if(win32)
|
||||
list(APPEND cpp_daq_linklibs python)
|
||||
list(APPEND cpp_daq_linklibs python${python_version_windll})
|
||||
endif(win32)
|
||||
|
||||
add_library(cpp_daq ${cpp_daq_files})
|
||||
|
@ -1,6 +1,4 @@
|
||||
#!/usr/bin/python3
|
||||
from .lasp_device_common import *
|
||||
from .lasp_daq import *
|
||||
from .lasp_deviceinfo import *
|
||||
from .lasp_daqconfig import *
|
||||
from .lasp_daq import *
|
||||
|
@ -87,6 +87,9 @@ cdef extern from "lasp_cppdaq.h" nogil:
|
||||
unsigned ninchannels
|
||||
unsigned noutchannels
|
||||
|
||||
string serialize()
|
||||
|
||||
cppDeviceInfo deserialize(string)
|
||||
bool hasInputIEPE
|
||||
bool hasInputACCouplingSwitch
|
||||
bool hasInputTrigger
|
||||
|
@ -19,9 +19,12 @@
|
||||
using std::cerr;
|
||||
using std::cout;
|
||||
using std::endl;
|
||||
using std::getline;
|
||||
using std::runtime_error;
|
||||
using std::string;
|
||||
using std::vector;
|
||||
using std::to_string;
|
||||
|
||||
|
||||
typedef unsigned int us;
|
||||
typedef vector<bool> boolvec;
|
||||
@ -47,11 +50,12 @@ const DataType dtype_invalid;
|
||||
const DataType dtype_fl32("32-bits floating point", 4, true);
|
||||
const DataType dtype_fl64("64-bits floating point", 8, true);
|
||||
const DataType dtype_int8("8-bits integers", 1, false);
|
||||
const DataType dtype_int24("24-bits integers", 1, false);
|
||||
const DataType dtype_int16("16-bits integers", 2, false);
|
||||
const DataType dtype_int32("32-bits integers", 4, false);
|
||||
|
||||
const std::vector<DataType> dataTypes = {
|
||||
dtype_int8, dtype_int16, dtype_int32, dtype_fl32, dtype_fl64,
|
||||
dtype_int8, dtype_int16,dtype_int24, dtype_int32, dtype_fl32, dtype_fl64,
|
||||
};
|
||||
|
||||
class DaqApi {
|
||||
@ -68,7 +72,7 @@ class DaqApi {
|
||||
return (apiname == other.apiname && apicode == other.apicode &&
|
||||
api_specific_subcode == other.api_specific_subcode);
|
||||
}
|
||||
|
||||
operator string() const { return apiname + ", code: " + to_string(apicode); }
|
||||
static vector<DaqApi> getAvailableApis();
|
||||
};
|
||||
|
||||
@ -89,7 +93,7 @@ const DaqApi rtaudioAsioApi("RtAudio Windows ASIO", 5,
|
||||
|
||||
// Structure containing device info parameters
|
||||
class DeviceInfo {
|
||||
public:
|
||||
public:
|
||||
DaqApi api;
|
||||
string device_name = "";
|
||||
|
||||
@ -128,16 +132,125 @@ public:
|
||||
|
||||
operator string() const {
|
||||
std::stringstream str;
|
||||
str << api.apiname + " " << api_specific_devindex
|
||||
<< " number of input channels: " << ninchannels
|
||||
<< " number of output channels: " << noutchannels;
|
||||
str << api.apiname + " " << api_specific_devindex << endl
|
||||
<< " number of input channels: " << ninchannels << endl
|
||||
<< " number of output channels: " << noutchannels << endl;
|
||||
return str.str();
|
||||
}
|
||||
|
||||
string serialize() const {
|
||||
// Simple serializer for this object, used because we found a bit late that
|
||||
// this object needs to be send over the wire. We do not want to make this
|
||||
// implementation in Python, as these objects are created here, in the C++
|
||||
// code. The Python wrapper is just a readonly wrapper.
|
||||
std::stringstream str;
|
||||
|
||||
str << api.apiname << "\t";
|
||||
str << api.apicode << "\t";
|
||||
str << api.api_specific_subcode << "\t";
|
||||
str << device_name << "\t";
|
||||
|
||||
str << availableDataTypes.size() << "\t";
|
||||
for(const DataType& dtype: availableDataTypes) {
|
||||
// WARNING: THIS GOES COMPLETELY WRONG WHEN NAMES contain A TAB!!!
|
||||
str << dtype.name << "\t";
|
||||
str << dtype.sw << "\t";
|
||||
str << dtype.is_floating << "\t";
|
||||
}
|
||||
str << prefDataTypeIndex << "\t";
|
||||
|
||||
str << availableSampleRates.size() << "\t";
|
||||
for(const double& fs: availableSampleRates) {
|
||||
// WARNING: THIS GOES COMPLETELY WRONG WHEN NAMES contain A TAB!!!
|
||||
str << fs << "\t";
|
||||
}
|
||||
str << prefSampleRateIndex << "\t";
|
||||
|
||||
str << availableFramesPerBlock.size() << "\t";
|
||||
for(const us& fb: availableFramesPerBlock) {
|
||||
// WARNING: THIS GOES COMPLETELY WRONG WHEN NAMES contain A TAB!!!
|
||||
str << fb << "\t";
|
||||
}
|
||||
str << prefFramesPerBlockIndex << "\t";
|
||||
|
||||
str << availableInputRanges.size() << "\t";
|
||||
for(const double& ir: availableInputRanges) {
|
||||
// WARNING: THIS GOES COMPLETELY WRONG WHEN NAMES contain A TAB!!!
|
||||
str << ir << "\t";
|
||||
}
|
||||
str << prefInputRangeIndex << "\t";
|
||||
|
||||
str << ninchannels << "\t";
|
||||
str << noutchannels << "\t";
|
||||
str << int(hasInputIEPE) << "\t";
|
||||
str << int(hasInputACCouplingSwitch) << "\t";
|
||||
str << int(hasInputTrigger) << "\t";
|
||||
|
||||
return str.str();
|
||||
}
|
||||
|
||||
static DeviceInfo deserialize(const string& dstr) {
|
||||
DeviceInfo devinfo;
|
||||
|
||||
std::stringstream str(dstr);
|
||||
string tmp;
|
||||
us N;
|
||||
// Lambda functions for deserializing
|
||||
auto nexts = [&]() { getline(str, tmp, '\t'); return tmp; };
|
||||
auto nexti = [&]() { getline(str, tmp, '\t'); return std::atoi(tmp.c_str()); };
|
||||
auto nextf = [&]() { getline(str, tmp, '\t'); return std::atof(tmp.c_str()); };
|
||||
|
||||
// Api
|
||||
string apiname = nexts();
|
||||
auto apicode = nexti();
|
||||
auto api_specific_subcode = nexti();
|
||||
DaqApi api(apiname, apicode, api_specific_subcode);
|
||||
devinfo.api = api;
|
||||
|
||||
devinfo.device_name = nexts();
|
||||
|
||||
N = us(nexti());
|
||||
for(us i=0;i<N; i++) {
|
||||
DataType dtype;
|
||||
dtype.name = nexts();
|
||||
dtype.sw =nexti();
|
||||
dtype.is_floating = bool(nexti());
|
||||
devinfo.availableDataTypes.push_back(dtype);
|
||||
}
|
||||
|
||||
devinfo.prefDataTypeIndex = nexti();
|
||||
|
||||
N = us(nexti());
|
||||
for(us i=0;i<N; i++) {
|
||||
devinfo.availableSampleRates.push_back(nextf());
|
||||
}
|
||||
devinfo.prefSampleRateIndex = nexti();
|
||||
|
||||
N = us(nexti());
|
||||
for(us i=0;i<N; i++) {
|
||||
devinfo.availableFramesPerBlock.push_back(nexti());
|
||||
}
|
||||
devinfo.prefFramesPerBlockIndex = nexti();
|
||||
|
||||
N = us(nexti());
|
||||
for(us i=0;i<N; i++) {
|
||||
devinfo.availableInputRanges.push_back(nexti());
|
||||
}
|
||||
devinfo.prefInputRangeIndex = nexti();
|
||||
|
||||
devinfo.ninchannels = nexti();
|
||||
devinfo.noutchannels = nexti();
|
||||
devinfo.hasInputIEPE = bool(nexti());
|
||||
devinfo.hasInputACCouplingSwitch = bool(nexti());
|
||||
devinfo.hasInputTrigger = bool(nexti());
|
||||
|
||||
return devinfo;
|
||||
}
|
||||
};
|
||||
|
||||
// Device configuration parameters
|
||||
class DaqConfiguration {
|
||||
public:
|
||||
public:
|
||||
DaqApi api;
|
||||
string device_name;
|
||||
|
||||
@ -185,7 +298,7 @@ class Daq : public DaqConfiguration, public DeviceInfo {
|
||||
|
||||
mutable std::mutex mutex;
|
||||
|
||||
public:
|
||||
public:
|
||||
static vector<DeviceInfo> getDeviceInfo();
|
||||
|
||||
static Daq *createDaq(const DeviceInfo &, const DaqConfiguration &config);
|
||||
|
@ -4,6 +4,9 @@
|
||||
#include <thread>
|
||||
#include <cstring>
|
||||
#include <cassert>
|
||||
#if MS_WIN64
|
||||
typedef uint8_t u_int8_t;
|
||||
#endif
|
||||
|
||||
using std::atomic;
|
||||
|
||||
@ -18,7 +21,10 @@ void fillRtAudioDeviceInfo(vector<DeviceInfo> &devinfolist) {
|
||||
for(us devno = 0; devno< count;devno++) {
|
||||
|
||||
RtAudio::DeviceInfo devinfo = rtaudio.getDeviceInfo(devno);
|
||||
|
||||
if(!devinfo.probed) {
|
||||
// Device capabilities not successfully probed. Continue to next
|
||||
continue;
|
||||
}
|
||||
DeviceInfo d;
|
||||
switch(api){
|
||||
case RtAudio::LINUX_ALSA:
|
||||
@ -65,12 +71,18 @@ void fillRtAudioDeviceInfo(vector<DeviceInfo> &devinfolist) {
|
||||
if(formats & RTAUDIO_SINT16) {
|
||||
d.availableDataTypes.push_back(dtype_int16);
|
||||
}
|
||||
if(formats & RTAUDIO_SINT32) {
|
||||
d.availableDataTypes.push_back(dtype_int24);
|
||||
}
|
||||
if(formats & RTAUDIO_SINT32) {
|
||||
d.availableDataTypes.push_back(dtype_fl32);
|
||||
}
|
||||
if(formats & RTAUDIO_FLOAT64) {
|
||||
d.availableDataTypes.push_back(dtype_fl64);
|
||||
}
|
||||
if(d.availableDataTypes.size() == 0) {
|
||||
std::cerr << "RtAudio: No data types found in device!" << endl;
|
||||
}
|
||||
|
||||
d.prefDataTypeIndex = d.availableDataTypes.size() - 1;
|
||||
|
||||
@ -175,7 +187,7 @@ class AudioDaq: public Daq {
|
||||
&streamoptions,
|
||||
&myerrorcallback
|
||||
);
|
||||
} catch(...) {
|
||||
} catch(RtAudioError& e) {
|
||||
if(rtaudio) delete rtaudio;
|
||||
if(instreamparams) delete instreamparams;
|
||||
if(outstreamparams) delete outstreamparams;
|
||||
@ -287,7 +299,6 @@ int mycallback(
|
||||
|
||||
AudioDaq* daq = (AudioDaq*) userData;
|
||||
DataType dtype = daq->dataType();
|
||||
/* us neninchannels = daq->neninchannels(); */
|
||||
us neninchannels_inc_mon = daq->neninchannels();
|
||||
us nenoutchannels = daq->nenoutchannels();
|
||||
|
||||
@ -343,6 +354,7 @@ int mycallback(
|
||||
us j=0; // OUR buffer channel counter
|
||||
us i=0; // RtAudio channel counter
|
||||
for(us ch=0;ch<=daq->getHighestOutChannel();ch++) {
|
||||
/* cerr << "Copying from queue... " << endl; */
|
||||
if(enoutchannels[ch]) {
|
||||
memcpy(
|
||||
&(outputBuffer[i*bytesperchan]),
|
||||
@ -351,6 +363,7 @@ int mycallback(
|
||||
j++;
|
||||
}
|
||||
else {
|
||||
/* cerr << "unused output channel in list" << endl; */
|
||||
memset(
|
||||
&(outputBuffer[i*bytesperchan]),0,bytesperchan);
|
||||
}
|
||||
@ -364,7 +377,7 @@ int mycallback(
|
||||
}
|
||||
}
|
||||
else {
|
||||
cerr << "Stream output buffer underflow, zero-ing buffer... " << endl;
|
||||
cerr << "RtAudio backend: stream output buffer underflow!" << endl;
|
||||
}
|
||||
|
||||
|
||||
|
@ -1,10 +1,11 @@
|
||||
cimport cython
|
||||
from ..lasp_common import AvType
|
||||
from .lasp_deviceinfo cimport DeviceInfo
|
||||
from .lasp_daqconfig cimport DaqConfiguration
|
||||
|
||||
from cpython.ref cimport PyObject,Py_INCREF, Py_DECREF
|
||||
import numpy as np
|
||||
from .lasp_device_common import AvType
|
||||
import logging
|
||||
|
||||
__all__ = ['Daq']
|
||||
|
||||
@ -36,6 +37,7 @@ cdef getNumpyDataType(DataType& dt):
|
||||
else:
|
||||
raise ValueError('Unknown data type')
|
||||
|
||||
DEF QUEUE_BUFFER_TIME = 0.5
|
||||
|
||||
ctypedef struct PyStreamData:
|
||||
PyObject* pyCallback
|
||||
@ -43,6 +45,10 @@ ctypedef struct PyStreamData:
|
||||
# Flag used to pass the stopThread.
|
||||
atomic[bool] stopThread
|
||||
|
||||
# Flag to indicate that the signal generator queue has been filled for the
|
||||
# first time.
|
||||
atomic[bool] ready
|
||||
|
||||
# Number of frames per block
|
||||
unsigned nFramesPerBlock
|
||||
|
||||
@ -74,19 +80,31 @@ cdef void audioCallbackPythonThreadFunction(void* voidsd) nogil:
|
||||
unsigned nBytesPerChan= sd.nBytesPerChan
|
||||
unsigned nFramesPerBlock= sd.nFramesPerBlock
|
||||
|
||||
double sleeptime = (<double> sd.nFramesPerBlock)/(4*sd.samplerate);
|
||||
double sleeptime = (<double> sd.nFramesPerBlock)/(8*sd.samplerate);
|
||||
# Sleep time in microseconds
|
||||
us sleeptime_us = <us> (sleeptime*1e6);
|
||||
|
||||
us nblocks_buffer = <us> max(1, (QUEUE_BUFFER_TIME * sd.samplerate /
|
||||
sd.nFramesPerBlock))
|
||||
|
||||
with gil:
|
||||
npy_format = cnp.NPY_FLOAT64
|
||||
callback = <object> sd.pyCallback
|
||||
# print(f'Number of input channels: {ninchannels}')
|
||||
# print(f'Number of out channels: {noutchannels}')
|
||||
fprintf(stderr, 'Sleep time: %d us', sleeptime_us)
|
||||
# fprintf(stderr, 'Sleep time: %d us\n', sleeptime_us)
|
||||
|
||||
if sd.outQueue:
|
||||
for i in range(nblocks_buffer):
|
||||
outbuffer = <double*> malloc(sizeof(double)*nBytesPerChan*noutchannels)
|
||||
memset(outbuffer, 0, sizeof(double)*nBytesPerChan*noutchannels)
|
||||
sd.outQueue.enqueue(<double*> outbuffer)
|
||||
sd.ready.store(True)
|
||||
|
||||
while not sd.stopThread.load():
|
||||
with gil:
|
||||
if sd.outQueue and sd.outQueue.size() < 10:
|
||||
if sd.outQueue:
|
||||
while sd.outQueue.size() < nblocks_buffer:
|
||||
outbuffer = <double*> malloc(sizeof(double)*nBytesPerChan*noutchannels)
|
||||
|
||||
npy_output = <object> data_to_ndarray(
|
||||
@ -94,7 +112,8 @@ cdef void audioCallbackPythonThreadFunction(void* voidsd) nogil:
|
||||
nFramesPerBlock,
|
||||
noutchannels,
|
||||
sd.npy_format,
|
||||
False, # Do not transfer ownership
|
||||
False, # Do not transfer ownership to the temporary
|
||||
# Numpy container
|
||||
True) # F-contiguous
|
||||
try:
|
||||
rval = callback(None,
|
||||
@ -103,17 +122,16 @@ cdef void audioCallbackPythonThreadFunction(void* voidsd) nogil:
|
||||
)
|
||||
|
||||
except Exception as e:
|
||||
print('exception in Cython callback for audio output: ', str(e))
|
||||
logging.error('exception in Cython callback for audio output: ', str(e))
|
||||
return
|
||||
|
||||
sd.outQueue.enqueue(<double*> outbuffer)
|
||||
|
||||
|
||||
if sd.inQueue and not sd.inQueue.empty():
|
||||
# Waiting indefinitely on the queue...
|
||||
inbuffer = <double*> sd.inQueue.dequeue()
|
||||
if inbuffer == NULL:
|
||||
printf('Stopping thread...\n')
|
||||
logging.debug('Stopping thread...\n')
|
||||
return
|
||||
|
||||
try:
|
||||
@ -130,7 +148,7 @@ cdef void audioCallbackPythonThreadFunction(void* voidsd) nogil:
|
||||
)
|
||||
|
||||
except Exception as e:
|
||||
print('exception in cython callback for audio input: ', str(e))
|
||||
logging.error('exception in cython callback for audio input: ', str(e))
|
||||
return
|
||||
|
||||
CPPsleep_us(sleeptime_us);
|
||||
@ -142,8 +160,6 @@ cdef void audioCallbackPythonThreadFunction(void* voidsd) nogil:
|
||||
# Inputbuffer memory is owned by Numpy, so should not be free'ed
|
||||
inbuffer = NULL
|
||||
|
||||
fprintf(stderr, 'Exiting python thread...\n')
|
||||
|
||||
cdef class Daq:
|
||||
|
||||
def __cinit__(self, DeviceInfo pydevinfo, DaqConfiguration pydaqconfig):
|
||||
@ -166,7 +182,6 @@ cdef class Daq:
|
||||
try:
|
||||
self.daq_device = cppDaq.createDaq(devinfo[0], daqconfig[0])
|
||||
except Exception as e:
|
||||
print(e)
|
||||
raise
|
||||
self.nFramesPerBlock = self.daq_device.framesPerBlock()
|
||||
self.samplerate = self.daq_device.samplerate()
|
||||
@ -178,7 +193,7 @@ cdef class Daq:
|
||||
def __dealloc__(self):
|
||||
# fprintf(stderr, "UlDaq.__dealloc__\n")
|
||||
if self.sd is not NULL:
|
||||
fprintf(stderr, "UlDaq.__dealloc__: stopping stream.\n")
|
||||
logging.debug("UlDaq.__dealloc__: stopping stream.")
|
||||
self.stop()
|
||||
|
||||
if self.daq_device is not NULL:
|
||||
@ -238,6 +253,8 @@ cdef class Daq:
|
||||
|
||||
|
||||
self.sd.stopThread.store(False)
|
||||
self.sd.ready.store(False)
|
||||
|
||||
self.sd.inQueue = NULL
|
||||
self.sd.outQueue = NULL
|
||||
|
||||
@ -264,8 +281,9 @@ cdef class Daq:
|
||||
self.sd.thread = new CPPThread[void*, void (*)(void*)](audioCallbackPythonThreadFunction,
|
||||
<void*> self.sd)
|
||||
|
||||
while not self.sd.ready.load():
|
||||
# Allow stream stome time to start
|
||||
CPPsleep_ms(500)
|
||||
CPPsleep_ms(100)
|
||||
|
||||
self.daq_device.start(
|
||||
self.sd.inQueue,
|
||||
@ -304,7 +322,7 @@ cdef class Daq:
|
||||
free(sd.outQueue.dequeue())
|
||||
del sd.outQueue
|
||||
sd.outQueue = NULL
|
||||
fprintf(stderr, "End cleanup stream queues...\n")
|
||||
logging.debug("End cleanup stream queues...\n")
|
||||
|
||||
if sd.pyCallback:
|
||||
Py_DECREF(<object> sd.pyCallback)
|
||||
|
@ -1,4 +1,3 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
"""!
|
||||
Author: J.A. de Jong - ASCEE
|
||||
@ -43,9 +42,11 @@ cdef class DaqConfigurations:
|
||||
output_config)
|
||||
|
||||
@staticmethod
|
||||
def loadConfigs():
|
||||
def loadAllConfigs():
|
||||
"""
|
||||
Returns a list of currently available configurations
|
||||
Returns a dictionary of all configurations presets. The dictionary keys
|
||||
are the names of the configurations
|
||||
|
||||
"""
|
||||
with lasp_shelve() as sh:
|
||||
configs_json = sh.load('daqconfigs', {})
|
||||
@ -54,6 +55,16 @@ cdef class DaqConfigurations:
|
||||
configs[name] = DaqConfigurations.from_json(val)
|
||||
return configs
|
||||
|
||||
@staticmethod
|
||||
def loadConfigs(name: str):
|
||||
"""
|
||||
Load a configuration preset, containing input config and output config
|
||||
"""
|
||||
|
||||
with lasp_shelve() as sh:
|
||||
configs_json = sh.load('daqconfigs', {})
|
||||
return DaqConfigurations.from_json(configs_json[name])
|
||||
|
||||
def saveConfigs(self, name):
|
||||
with lasp_shelve() as sh:
|
||||
configs_json = sh.load('daqconfigs', {})
|
||||
@ -61,20 +72,25 @@ cdef class DaqConfigurations:
|
||||
sh.store('daqconfigs', configs_json)
|
||||
|
||||
@staticmethod
|
||||
def deleteConfig(name):
|
||||
def deleteConfigs(name):
|
||||
with lasp_shelve() as sh:
|
||||
configs_json = sh.load('daqconfigs', {})
|
||||
del configs_json[name]
|
||||
sh.store('daqconfigs', configs_json)
|
||||
|
||||
def constructDaqConfig(dict_data):
|
||||
return DaqConfiguration.from_dict(dict_data)
|
||||
|
||||
cdef class DaqConfiguration:
|
||||
"""
|
||||
Initialize a device descriptor
|
||||
"""
|
||||
def __init__(self):
|
||||
def __cinit__(self):
|
||||
pass
|
||||
|
||||
def __str__(self):
|
||||
return str(self.to_json())
|
||||
|
||||
@staticmethod
|
||||
def fromDeviceInfo(DeviceInfo devinfo):
|
||||
cdef:
|
||||
@ -90,6 +106,9 @@ cdef class DaqConfiguration:
|
||||
config_dict = json.loads(jsonstring)
|
||||
return DaqConfiguration.from_dict(config_dict)
|
||||
|
||||
def __reduce__(self):
|
||||
return (constructDaqConfig, (self.to_dict(),))
|
||||
|
||||
@staticmethod
|
||||
def from_dict(pydict):
|
||||
cdef:
|
||||
@ -127,8 +146,8 @@ cdef class DaqConfiguration:
|
||||
|
||||
return pydaqcfg
|
||||
|
||||
def to_json(self):
|
||||
return json.dumps(dict(
|
||||
def to_dict(self):
|
||||
return dict(
|
||||
apicode = self.config.api.apicode,
|
||||
device_name = self.config.device_name.decode('utf-8'),
|
||||
|
||||
@ -159,8 +178,10 @@ cdef class DaqConfiguration:
|
||||
inputIEPEEnabled = self.config.inputIEPEEnabled,
|
||||
inputACCouplingMode = self.config.inputACCouplingMode,
|
||||
inputRangeIndices = self.config.inputRangeIndices,
|
||||
)
|
||||
|
||||
))
|
||||
def to_json(self):
|
||||
return json.dumps(self.to_dict())
|
||||
|
||||
def getInChannel(self, i:int):
|
||||
return DaqChannel(
|
||||
|
@ -1,17 +1,10 @@
|
||||
__all__ = ['AvType', 'DaqChannel']
|
||||
__all__ = ['DaqChannel']
|
||||
from ..lasp_common import Qty, SIQtys
|
||||
from dataclasses import dataclass, field
|
||||
from dataclasses_json import dataclass_json
|
||||
from typing import List
|
||||
import json
|
||||
|
||||
class AvType:
|
||||
"""Specificying the type of data, for adding and removing callbacks from
|
||||
the stream."""
|
||||
audio_input = 1
|
||||
audio_output = 2
|
||||
video = 4
|
||||
|
||||
@dataclass_json
|
||||
@dataclass
|
||||
class DaqChannel:
|
||||
|
@ -1,5 +1,19 @@
|
||||
# -*- coding: utf-8 -*-
|
||||
"""!
|
||||
Author: J.A. de Jong - ASCEE
|
||||
|
||||
Description:
|
||||
|
||||
DeviceInfo C++ object wrapper
|
||||
|
||||
"""
|
||||
__all__ = ['DeviceInfo']
|
||||
|
||||
def pickle(dat):
|
||||
dev = DeviceInfo()
|
||||
# print('DESERIALIZE****')
|
||||
dev.devinfo = dev.devinfo.deserialize(dat)
|
||||
return dev
|
||||
|
||||
cdef class DeviceInfo:
|
||||
def __cinit__(self):
|
||||
@ -8,6 +22,11 @@ cdef class DeviceInfo:
|
||||
def __init__(self):
|
||||
pass
|
||||
|
||||
def __reduce__(self):
|
||||
serialized = self.devinfo.serialize()
|
||||
# print('SERIALIZE****')
|
||||
return (pickle, (serialized,))
|
||||
|
||||
@property
|
||||
def api(self): return self.devinfo.api.apiname.decode('utf-8')
|
||||
|
||||
|
@ -1,200 +1,674 @@
|
||||
#!/usr/bin/env python3.6
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
Description: Read data from image stream and record sound at the same time
|
||||
Author: J.A. de Jong
|
||||
|
||||
Description: Controlling an audio stream in a different process.
|
||||
"""
|
||||
#import cv2 as cv
|
||||
from .lasp_atomic import Atomic
|
||||
from threading import Thread, Lock
|
||||
import logging
|
||||
import multiprocessing as mp
|
||||
# import cv2 as cv
|
||||
import signal
|
||||
import time
|
||||
from dataclasses import dataclass
|
||||
from enum import Enum, auto, unique
|
||||
from typing import List
|
||||
|
||||
import numpy as np
|
||||
|
||||
class DAQConfiguration:
|
||||
pass
|
||||
from .device import Daq, DaqChannel, DaqConfiguration, DeviceInfo
|
||||
from .lasp_atomic import Atomic
|
||||
from .lasp_common import AvType
|
||||
from .lasp_multiprocessingpatch import apply_patch
|
||||
|
||||
import time
|
||||
from .device import (Daq, DeviceInfo,
|
||||
AvType,
|
||||
)
|
||||
|
||||
__all__ = ['AvStream']
|
||||
|
||||
video_x, video_y = 640, 480
|
||||
apply_patch()
|
||||
|
||||
|
||||
class AvStream:
|
||||
"""Audio and video data stream, to which callbacks can be added for
|
||||
processing the data."""
|
||||
__all__ = ['StreamManager', 'ignoreSigInt', 'StreamStatus']
|
||||
|
||||
def __init__(self,
|
||||
avtype: AvType,
|
||||
device: DeviceInfo,
|
||||
daqconfig: DAQConfiguration,
|
||||
video=None):
|
||||
"""Open a stream for audio in/output and video input. For audio output,
|
||||
by default all available channels are opened for outputting data.
|
||||
|
||||
Args:
|
||||
device: DeviceInfo for the audio device
|
||||
avtype: Type of stream. Input, output or duplex
|
||||
def ignoreSigInt():
|
||||
"""
|
||||
Ignore sigint signal. Should be set on all processes to let the main
|
||||
process control this signal.
|
||||
"""
|
||||
signal.signal(signal.SIGINT, signal.SIG_IGN)
|
||||
|
||||
daqconfig: DAQConfiguration instance. If duplex mode flag is set,
|
||||
please make sure that output_device is None, as in that case the
|
||||
output config will be taken from the input device.
|
||||
video:
|
||||
|
||||
@dataclass
|
||||
class StreamMetaData:
|
||||
# Sample rate [Hz]
|
||||
fs: float
|
||||
|
||||
# Input channels
|
||||
in_ch: List[DaqChannel]
|
||||
|
||||
# Output channels
|
||||
out_ch: List[DaqChannel]
|
||||
|
||||
# blocksize
|
||||
blocksize: int
|
||||
|
||||
# The data type of input and output blocks.
|
||||
dtype: np.dtype
|
||||
|
||||
|
||||
@unique
|
||||
class StreamMsg(Enum):
|
||||
"""
|
||||
First part, control messages that can be send to the stream
|
||||
"""
|
||||
|
||||
self.avtype = avtype
|
||||
startStream = auto()
|
||||
stopStream = auto()
|
||||
stopAllStreams = auto()
|
||||
getStreamMetaData = auto()
|
||||
endProcess = auto()
|
||||
scanDaqDevices = auto()
|
||||
|
||||
activateSiggen = auto()
|
||||
deactivateSiggen = auto()
|
||||
"""
|
||||
Second part, status messages that are send back on all listeners
|
||||
"""
|
||||
# "Normal messages"
|
||||
deviceList = auto()
|
||||
streamStarted = auto()
|
||||
streamStopped = auto()
|
||||
streamMetaData = auto()
|
||||
streamData = auto()
|
||||
|
||||
# Error messages
|
||||
# Some error occured, which mostly leads to a stop of the stream
|
||||
streamError = auto()
|
||||
# An error occured, but we recovered
|
||||
streamTemporaryError = auto()
|
||||
# A fatal error occured. This leads to serious errors in the application
|
||||
streamFatalError = auto()
|
||||
|
||||
|
||||
class AudioStream:
|
||||
"""
|
||||
Audio stream.
|
||||
"""
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
avtype: AvType,
|
||||
devices: list,
|
||||
daqconfig: DaqConfiguration,
|
||||
processCallback: callable,
|
||||
):
|
||||
"""
|
||||
Initializes the audio stream and tries to start it.
|
||||
|
||||
avtype: AvType
|
||||
devices: List of device information
|
||||
daqconfig: DaqConfiguration to used to generate audio stream backend
|
||||
processCallback: callback function that will be called from a different
|
||||
thread, with arguments (AudioStream, in
|
||||
"""
|
||||
logging.debug('AudioStream()')
|
||||
|
||||
# self.running = Atomic(False)
|
||||
# self.aframectr = Atomic(0)
|
||||
self.running = False
|
||||
self.aframectr = 0
|
||||
self.avtype = avtype
|
||||
self.siggen_activated = Atomic(False)
|
||||
|
||||
api_devices = devices[daqconfig.api]
|
||||
self.processCallback = processCallback
|
||||
|
||||
matching_devices = [
|
||||
device for device in api_devices if device.name == daqconfig.device_name
|
||||
]
|
||||
|
||||
if len(matching_devices) == 0:
|
||||
raise RuntimeError(f"Could not find device {daqconfig.device_name}")
|
||||
|
||||
# TODO: We pick te first one, what to do if we have multiple matches?
|
||||
# Is that even possible?
|
||||
device = matching_devices[0]
|
||||
|
||||
self.daq = Daq(device, daqconfig)
|
||||
en_in_ch = daqconfig.getEnabledInChannels(include_monitor=True)
|
||||
en_out_ch = daqconfig.getEnabledOutChannels()
|
||||
if en_in_ch == 0 and en_out_ch == 0:
|
||||
raise RuntimeError('No enabled input / output channels')
|
||||
|
||||
self.input_channel_names = [ch.channel_name for ch in en_in_ch]
|
||||
self.output_channel_names = [ch.channel_name for ch in en_out_ch]
|
||||
logging.debug('Ready to start device...')
|
||||
|
||||
self.input_sensitivity = [ch.sensitivity for ch in en_in_ch]
|
||||
self.input_sensitivity = np.asarray(self.input_sensitivity)
|
||||
self.input_qtys = [ch.qty for ch in en_in_ch]
|
||||
samplerate = self.daq.start(self.streamCallback)
|
||||
self.streammetadata = StreamMetaData(
|
||||
fs=samplerate,
|
||||
in_ch=daqconfig.getEnabledInChannels(),
|
||||
out_ch=daqconfig.getEnabledOutChannels(),
|
||||
blocksize=self.daq.nFramesPerBlock,
|
||||
dtype=self.daq.getNumpyDataType(),
|
||||
)
|
||||
self.running = True
|
||||
|
||||
|
||||
# Counters for the number of frames that have been coming in
|
||||
self._aframectr = Atomic(0)
|
||||
self._vframectr = Atomic(0)
|
||||
|
||||
# Lock
|
||||
self._callbacklock = Lock()
|
||||
|
||||
self._running = Atomic(False)
|
||||
|
||||
self._video = video
|
||||
self._video_started = Atomic(False)
|
||||
|
||||
# Storage for callbacks, specified by type
|
||||
self._callbacks = {
|
||||
AvType.audio_input: [],
|
||||
AvType.audio_output: [],
|
||||
AvType.video: []
|
||||
}
|
||||
|
||||
# Possible, but long not tested: store video
|
||||
self._videothread = None
|
||||
|
||||
# self._audiobackend = RtAudio(daqconfig.api)
|
||||
self._daq = Daq(device, daqconfig)
|
||||
self.blocksize = self._daq.nFramesPerBlock
|
||||
self.samplerate = self._daq.samplerate
|
||||
self.dtype = self._daq.getNumpyDataType()
|
||||
|
||||
def nCallbacks(self):
|
||||
"""Returns the current number of installed callbacks."""
|
||||
return len(self._callbacks[AvType.audio_input]) + \
|
||||
len(self._callbacks[AvType.audio_output]) + \
|
||||
len(self._callbacks[AvType.video])
|
||||
|
||||
def addCallback(self, cb: callable, cbtype: AvType):
|
||||
"""Add as stream callback to the list of callbacks."""
|
||||
with self._callbacklock:
|
||||
outputcallbacks = self._callbacks[AvType.audio_output]
|
||||
if cbtype == AvType.audio_output and len(outputcallbacks) > 0:
|
||||
raise RuntimeError(
|
||||
'Only one audio output callback can be allowed')
|
||||
|
||||
if cb not in self._callbacks[cbtype]:
|
||||
self._callbacks[cbtype].append(cb)
|
||||
|
||||
def removeCallback(self, cb, cbtype: AvType):
|
||||
with self._callbacklock:
|
||||
if cb in self._callbacks[cbtype]:
|
||||
self._callbacks[cbtype].remove(cb)
|
||||
|
||||
def start(self):
|
||||
"""Start the stream, which means the callbacks are called with stream
|
||||
data (audio/video)"""
|
||||
|
||||
if self._running:
|
||||
raise RuntimeError('Stream already started')
|
||||
|
||||
assert self._videothread is None
|
||||
|
||||
self._running <<= True
|
||||
if self._video is not None:
|
||||
self._videothread = Thread(target=self._videoThread)
|
||||
self._videothread.start()
|
||||
else:
|
||||
self._video_started <<= True
|
||||
|
||||
self.samplerate = self._daq.start(self._audioCallback)
|
||||
|
||||
def _videoThread(self):
|
||||
cap = cv.VideoCapture(self._video)
|
||||
if not cap.isOpened():
|
||||
cap.open()
|
||||
vframectr = 0
|
||||
loopctr = 0
|
||||
while self._running:
|
||||
ret, frame = cap.read()
|
||||
# print(frame.shape)
|
||||
if ret is True:
|
||||
if vframectr == 0:
|
||||
self._video_started <<= True
|
||||
with self._callbacklock:
|
||||
for cb in self._callbacks[AvType.video]:
|
||||
cb(frame, vframectr)
|
||||
vframectr += 1
|
||||
self._vframectr += 1
|
||||
else:
|
||||
loopctr += 1
|
||||
if loopctr == 10:
|
||||
print('Error: no video capture!')
|
||||
time.sleep(0.2)
|
||||
|
||||
cap.release()
|
||||
print('stopped videothread')
|
||||
|
||||
def _audioCallback(self, indata, outdata, nframes):
|
||||
"""This is called (from a separate thread) for each audio block."""
|
||||
self._aframectr += nframes
|
||||
with self._callbacklock:
|
||||
# Count the number of output callbacks. If no output callbacks are
|
||||
# present, and there should be output callbacks, we explicitly set
|
||||
# the output buffer to zero
|
||||
noutput_cb = len(self._callbacks[AvType.audio_output])
|
||||
|
||||
# Loop over callbacks
|
||||
if outdata is not None:
|
||||
try:
|
||||
if len(self._callbacks[AvType.audio_output]) == 0:
|
||||
outdata[:, :] = 0
|
||||
for cb in self._callbacks[AvType.audio_output]:
|
||||
cb(indata, outdata, self._aframectr())
|
||||
except Exception as e:
|
||||
print(e)
|
||||
return 2
|
||||
if indata is not None:
|
||||
try:
|
||||
for cb in self._callbacks[AvType.audio_input]:
|
||||
cb(indata, outdata, self._aframectr())
|
||||
except Exception as e:
|
||||
print(e)
|
||||
def streamCallback(self, indata, outdata, nframes):
|
||||
"""
|
||||
This is called (from a separate thread) for each block
|
||||
of audio data.
|
||||
"""
|
||||
if not self.running:
|
||||
return 1
|
||||
self.aframectr += 1
|
||||
|
||||
return 0 if self._running else 1
|
||||
# TODO: Fix this. This gives bug on Windows, the threading lock does
|
||||
# give a strange erro.
|
||||
try:
|
||||
if not self.running:
|
||||
return 1
|
||||
except Exception as e:
|
||||
print(e)
|
||||
|
||||
rv = self.processCallback(self, indata, outdata)
|
||||
if rv != 0:
|
||||
self.running <<= False
|
||||
return rv
|
||||
|
||||
def stop(self):
|
||||
self._running <<= False
|
||||
"""
|
||||
Stop the DAQ stream. Should be called only once.
|
||||
"""
|
||||
daq = self.daq
|
||||
self.daq = None
|
||||
self.running <<= False
|
||||
daq.stop()
|
||||
|
||||
if self._video:
|
||||
self._videothread.join()
|
||||
self._videothread = None
|
||||
self.streammetadata = None
|
||||
|
||||
self._aframectr <<= 0
|
||||
self._vframectr <<= 0
|
||||
self._video_started <<= False
|
||||
|
||||
self._daq.stop()
|
||||
self._daq = None
|
||||
class AvStreamProcess(mp.Process):
|
||||
"""
|
||||
Different process on which all audio streams are running.
|
||||
"""
|
||||
|
||||
def isRunning(self):
|
||||
return self._running()
|
||||
def __init__(self, pipe, msg_qlist, indata_qlist, outq):
|
||||
"""
|
||||
|
||||
Args:
|
||||
pipe: Message control pipe on which commands are received.
|
||||
msg_qlist: List of queues on which stream status and events are
|
||||
sent. Here, everything is send, except for the captured data
|
||||
itself.
|
||||
indata_qlist: List of queues on which captured data from a DAQ is
|
||||
send. This one gets all events, but also captured data.
|
||||
outq: On this queue, the stream process receives data to be send as
|
||||
output to the devices.
|
||||
|
||||
"""
|
||||
super().__init__()
|
||||
|
||||
self.pipe = pipe
|
||||
self.msg_qlist = msg_qlist
|
||||
self.indata_qlist = indata_qlist
|
||||
self.outq = outq
|
||||
|
||||
self.devices = {}
|
||||
self.daqconfigs = None
|
||||
|
||||
# In, out, duplex
|
||||
self.streams = {t: None for t in list(AvType)}
|
||||
|
||||
# When this is set, a kill on the main process will also kill the
|
||||
# siggen process. Highly wanted feature
|
||||
self.daemon = True
|
||||
|
||||
def run(self):
|
||||
"""
|
||||
The actual function running in a different process.
|
||||
"""
|
||||
# First things first, ignore interrupt signals
|
||||
# https://stackoverflow.com/questions/21104997/keyboard-interrupt-with-pythons-multiprocessing
|
||||
signal.signal(signal.SIGINT, signal.SIG_IGN)
|
||||
|
||||
# Check for devices
|
||||
self.rescanDaqDevices()
|
||||
self.siggen_activated = Atomic(False)
|
||||
|
||||
while True:
|
||||
msg, data = self.pipe.recv()
|
||||
logging.debug(f"Streamprocess obtained message {msg}")
|
||||
|
||||
if msg == StreamMsg.activateSiggen:
|
||||
self.siggen_activated <<= True
|
||||
|
||||
elif msg == StreamMsg.deactivateSiggen:
|
||||
self.siggen_activated <<= False
|
||||
|
||||
elif msg == StreamMsg.scanDaqDevices:
|
||||
self.rescanDaqDevices()
|
||||
|
||||
elif msg == StreamMsg.stopAllStreams:
|
||||
self.stopAllStreams()
|
||||
|
||||
elif msg == StreamMsg.endProcess:
|
||||
self.stopAllStreams()
|
||||
# and.. exit!
|
||||
return
|
||||
|
||||
elif msg == StreamMsg.getStreamMetaData:
|
||||
(avtype,) = data
|
||||
stream = self.streams[avtype]
|
||||
if stream is not None:
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamMetaData, avtype, stream.streammetadata
|
||||
)
|
||||
else:
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamMetaData, avtype, None)
|
||||
|
||||
elif msg == StreamMsg.startStream:
|
||||
avtype, daqconfig = data
|
||||
self.startStream(avtype, daqconfig)
|
||||
|
||||
elif msg == StreamMsg.stopStream:
|
||||
(avtype,) = data
|
||||
self.stopStream(avtype)
|
||||
|
||||
def startStream(self, avtype: AvType, daqconfig: DaqConfiguration):
|
||||
"""
|
||||
Start a stream, based on type and configuration
|
||||
|
||||
"""
|
||||
self.stopRequiredExistingStreams(avtype)
|
||||
# Empty the queue from existing stuff (puts the signal generator
|
||||
# directly in action!).
|
||||
if avtype in (AvType.audio_duplex, AvType.audio_output):
|
||||
while not self.outq.empty():
|
||||
self.outq.get()
|
||||
try:
|
||||
stream = AudioStream(avtype, self.devices,
|
||||
daqconfig, self.streamCallback)
|
||||
self.streams[avtype] = stream
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamStarted, avtype, stream.streammetadata
|
||||
)
|
||||
|
||||
except Exception as e:
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamError, avtype, f"Error starting stream: {str(e)}"
|
||||
)
|
||||
return
|
||||
|
||||
|
||||
def stopStream(self, avtype: AvType):
|
||||
"""
|
||||
Stop an existing stream, and sets the attribute in the list of streams
|
||||
to None
|
||||
|
||||
Args:
|
||||
stream: AudioStream instance
|
||||
"""
|
||||
stream = self.streams[avtype]
|
||||
if stream is not None:
|
||||
try:
|
||||
stream.stop()
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamStopped, stream.avtype)
|
||||
except Exception as e:
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamError,
|
||||
stream.avtype,
|
||||
"Error occured in stopping stream: {str(e)}",
|
||||
)
|
||||
self.streams[avtype] = None
|
||||
|
||||
def stopRequiredExistingStreams(self, avtype: AvType):
|
||||
"""
|
||||
Stop all existing streams that conflict with the current avtype
|
||||
"""
|
||||
if avtype == AvType.audio_input:
|
||||
# For a new input, duplex and input needs to be stopped
|
||||
stream_to_stop = (AvType.audio_input, AvType.audio_duplex)
|
||||
elif avtype == AvType.audio_output:
|
||||
# For a new output, duplex and output needs to be stopped
|
||||
stream_to_stop = (AvType.audio_output, AvType.audio_duplex)
|
||||
elif avtype == AvType.audio_duplex:
|
||||
# All others have to stop
|
||||
stream_to_stop = list(AvType) # All of them
|
||||
else:
|
||||
raise ValueError("BUG")
|
||||
|
||||
for stream in stream_to_stop:
|
||||
if stream is not None:
|
||||
self.stopStream(stream)
|
||||
|
||||
def stopAllStreams(self):
|
||||
"""
|
||||
Stops all streams
|
||||
"""
|
||||
for key in self.streams.keys():
|
||||
self.stopStream(key)
|
||||
|
||||
def isStreamRunning(self, avtype: AvType = None):
|
||||
"""
|
||||
Check whether a stream is running
|
||||
|
||||
Args:
|
||||
avtype: The stream type to check whether it is still running. If
|
||||
None, it checks all streams.
|
||||
|
||||
Returns:
|
||||
True if a stream is running, otherwise false
|
||||
"""
|
||||
if avtype is None:
|
||||
avtype = list(AvType)
|
||||
else:
|
||||
avtype = (avtype,)
|
||||
for t in avtype:
|
||||
if self.streams[t] is not None and self.streams[t].running():
|
||||
return True
|
||||
|
||||
return False
|
||||
|
||||
def rescanDaqDevices(self):
|
||||
"""
|
||||
Rescan the available DaQ devices.
|
||||
|
||||
"""
|
||||
if self.isStreamRunning():
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamError,
|
||||
None,
|
||||
"A stream is running, cannot rescan DAQ devices.",
|
||||
)
|
||||
return
|
||||
|
||||
self.devices = Daq.getDeviceInfo()
|
||||
self.sendAllQueues(StreamMsg.deviceList, self.devices)
|
||||
|
||||
def streamCallback(self, audiostream, indata, outdata):
|
||||
"""This is called (from a separate thread) for each audio block."""
|
||||
# logging.debug('streamCallback()')
|
||||
if outdata is not None:
|
||||
if self.siggen_activated():
|
||||
if not self.outq.empty():
|
||||
newdata = self.outq.get()
|
||||
if newdata.shape[0] != outdata.shape[0] or newdata.ndim != 1:
|
||||
msgtxt = "Invalid output data obtained from queue"
|
||||
logging.fatal(msgtxt)
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamFatalError, audiostream.avtype, msgtxt
|
||||
)
|
||||
return 1
|
||||
outdata[:, :] = newdata[:, None]
|
||||
else:
|
||||
msgtxt = "Signal generator buffer underflow. Signal generator cannot keep up with data generation."
|
||||
# logging.error(msgtxt)
|
||||
self.sendAllQueues(
|
||||
StreamMsg.streamTemporaryError, audiostream.avtype, msgtxt
|
||||
)
|
||||
outdata[:, :] = 0
|
||||
|
||||
# Siggen not activated
|
||||
else:
|
||||
logging.debug("siggen not activated")
|
||||
outdata[:, :] = 0
|
||||
|
||||
if indata is not None:
|
||||
self.sendInQueues(StreamMsg.streamData, indata)
|
||||
|
||||
return 0
|
||||
|
||||
# Wrapper functions that safe some typing, they do not require an
|
||||
# explanation.
|
||||
def sendInQueues(self, msg, *data):
|
||||
# logging.debug('sendInQueues()')
|
||||
for q in self.indata_qlist:
|
||||
# Fan out the input data to all queues in the queue list
|
||||
q.put((msg, data))
|
||||
|
||||
def sendAllQueues(self, msg, *data):
|
||||
"""
|
||||
Destined for all queues, including capture data queues
|
||||
"""
|
||||
self.sendInQueues(msg, *data)
|
||||
for q in self.msg_qlist:
|
||||
# Fan out the input data to all queues in the queue list
|
||||
q.put((msg, data))
|
||||
|
||||
|
||||
@dataclass
|
||||
class StreamStatus:
|
||||
lastStatus: StreamMsg = StreamMsg.streamStopped
|
||||
errorTxt: str = None
|
||||
streammetadata: StreamMetaData = None
|
||||
|
||||
|
||||
class StreamManager:
|
||||
"""
|
||||
Audio and video data stream manager, to which queus can be added
|
||||
"""
|
||||
|
||||
def __init__(self):
|
||||
"""Open a stream for audio in/output and video input. For audio output,
|
||||
|
||||
"""
|
||||
|
||||
# Initialize streamstatus
|
||||
self.streamstatus = {t: StreamStatus() for t in list(AvType)}
|
||||
|
||||
self.devices = None
|
||||
|
||||
# Multiprocessing manager, pipe, output queue, input queue,
|
||||
self.manager = mp.managers.SyncManager()
|
||||
|
||||
# Start this manager and ignore interrupts
|
||||
# https://stackoverflow.com/questions/21104997/keyboard-interrupt-with-pythons-multiprocessing
|
||||
self.manager.start(ignoreSigInt)
|
||||
|
||||
# List of queues for all entities that require 'microphone' or input
|
||||
# data. We need a local list, to manage listener queues, as the queues
|
||||
# which are in the manager list get a new object id. The local list is
|
||||
# used to find the index in the manager queues list upon deletion by
|
||||
# 'removeListener()'
|
||||
self.indata_qlist = self.manager.list([])
|
||||
self.indata_qlist_local = []
|
||||
|
||||
self.msg_qlist = self.manager.list([])
|
||||
self.msg_qlist_local = []
|
||||
|
||||
# Queue used for signal generator data
|
||||
self.outq = self.manager.Queue()
|
||||
|
||||
# Messaging pipe
|
||||
self.pipe, child_pipe = mp.Pipe(duplex=True)
|
||||
|
||||
# This is the queue on which this class listens for stream process
|
||||
# messages.
|
||||
self.our_msgqueue = self.addMsgQueueListener()
|
||||
|
||||
# Create the stream process
|
||||
self.streamProcess = AvStreamProcess(child_pipe,
|
||||
self.msg_qlist,
|
||||
self.indata_qlist, self.outq)
|
||||
self.streamProcess.start()
|
||||
|
||||
def handleMessages(self):
|
||||
"""
|
||||
Handle messages that are still on the pipe.
|
||||
"""
|
||||
# logging.debug('StreamManager::handleMessages()')
|
||||
msgs = []
|
||||
while not self.our_msgqueue.empty():
|
||||
msg, data = self.our_msgqueue.get()
|
||||
logging.debug(f'StreamManager obtained message {msg}')
|
||||
if msg == StreamMsg.streamStarted:
|
||||
avtype, streammetadata = data
|
||||
# logging.debug(f'{avtype}, {streammetadata}')
|
||||
self.streamstatus[avtype].lastStatus = msg
|
||||
self.streamstatus[avtype].errorTxt = None
|
||||
self.streamstatus[avtype].streammetadata = streammetadata
|
||||
|
||||
elif msg == StreamMsg.streamStopped:
|
||||
(avtype,) = data
|
||||
self.streamstatus[avtype].lastStatus = msg
|
||||
self.streamstatus[avtype].errorTxt = None
|
||||
self.streamstatus[avtype].streammetadata = None
|
||||
|
||||
elif msg == StreamMsg.streamError:
|
||||
avtype, errorTxt = data
|
||||
if avtype is not None:
|
||||
self.streamstatus[avtype].lastStatus = msg
|
||||
self.streamstatus[avtype].errorTxt = errorTxt
|
||||
logging.debug(f'Message: {errorTxt}')
|
||||
|
||||
elif msg == StreamMsg.streamTemporaryError:
|
||||
avtype, errorTxt = data
|
||||
if avtype is not None:
|
||||
logging.debug(f'Message: {errorTxt}')
|
||||
|
||||
elif msg == StreamMsg.streamFatalError:
|
||||
avtype, errorTxt = data
|
||||
logging.critical(f"Streamprocess fatal error: {errorTxt}")
|
||||
self.cleanup()
|
||||
|
||||
elif msg == StreamMsg.streamMetaData:
|
||||
avtype, metadata = data
|
||||
self.streamstatus[avtype].streammetadata = metadata
|
||||
|
||||
elif msg == StreamMsg.deviceList:
|
||||
devices, = data
|
||||
# logging.debug(devices)
|
||||
self.devices = devices
|
||||
msgs.append((msg, data))
|
||||
|
||||
return msgs
|
||||
|
||||
def getDeviceList(self):
|
||||
self.handleMessages()
|
||||
return self.devices
|
||||
|
||||
def rescanDaqDevices(self):
|
||||
"""
|
||||
Output the message to the stream process to rescan the list of devices
|
||||
"""
|
||||
self.sendPipe(StreamMsg.scanDaqDevices, None)
|
||||
|
||||
def getStreamStatus(self, avtype: AvType):
|
||||
"""
|
||||
Sends a request for the stream status over the pipe, for given AvType
|
||||
"""
|
||||
self.handleMessages()
|
||||
self.sendPipe(StreamMsg.getStreamMetaData, avtype)
|
||||
|
||||
def getOutputQueue(self):
|
||||
"""
|
||||
Returns the output queue object.
|
||||
|
||||
Note, should (of course) only be used by one signal generator at the time!
|
||||
"""
|
||||
self.handleMessages()
|
||||
return self.outq
|
||||
|
||||
def activateSiggen(self):
|
||||
self.handleMessages()
|
||||
logging.debug("activateSiggen()")
|
||||
self.sendPipe(StreamMsg.activateSiggen, None)
|
||||
|
||||
def deactivateSiggen(self):
|
||||
self.handleMessages()
|
||||
logging.debug("deactivateSiggen()")
|
||||
self.sendPipe(StreamMsg.deactivateSiggen, None)
|
||||
|
||||
def addMsgQueueListener(self):
|
||||
"""
|
||||
Add a listener queue to the list of message queues, and return the
|
||||
queue.
|
||||
|
||||
Returns:
|
||||
listener queue
|
||||
"""
|
||||
newqueue = self.manager.Queue()
|
||||
self.msg_qlist.append(newqueue)
|
||||
self.msg_qlist_local.append(newqueue)
|
||||
return newqueue
|
||||
|
||||
def removeMsgQueueListener(self, queue):
|
||||
"""
|
||||
Remove an input listener queue from the message queue list.
|
||||
"""
|
||||
# Uses a local queue list to find the index, based on the queue
|
||||
idx = self.msg_qlist_local.index(queue)
|
||||
del self.msg_qlist_local[idx]
|
||||
del self.msg_qlist[idx]
|
||||
|
||||
def addInQueueListener(self):
|
||||
"""
|
||||
Add a listener queue to the list of queues, and return the queue.
|
||||
|
||||
Returns:
|
||||
listener queue
|
||||
"""
|
||||
newqueue = self.manager.Queue()
|
||||
self.indata_qlist.append(newqueue)
|
||||
self.indata_qlist_local.append(newqueue)
|
||||
return newqueue
|
||||
|
||||
def removeInQueueListener(self, queue):
|
||||
"""
|
||||
Remove an input listener queue from the queue list.
|
||||
"""
|
||||
# Uses a local queue list to find the index, based on the queue
|
||||
idx = self.indata_qlist_local.index(queue)
|
||||
del self.indata_qlist[idx]
|
||||
del self.indata_qlist_local[idx]
|
||||
|
||||
def startStream(self, avtype: AvType, daqconfig: DaqConfiguration, wait=False):
|
||||
"""
|
||||
Start the stream, which means the callbacks are called with stream
|
||||
data (audio/video)
|
||||
|
||||
Args:
|
||||
wait: Wait until the stream starts talking before returning from
|
||||
this function.
|
||||
|
||||
"""
|
||||
logging.debug("Starting stream...")
|
||||
self.handleMessages()
|
||||
self.sendPipe(StreamMsg.startStream, avtype, daqconfig)
|
||||
if wait:
|
||||
# Wait for a message to come into the pipe
|
||||
while True:
|
||||
if self.pipe.poll():
|
||||
self.handleMessages()
|
||||
if self.streamstatus[avtype].lastStatus != StreamMsg.streamStopped:
|
||||
break
|
||||
|
||||
def stopStream(self, avtype: AvType):
|
||||
self.handleMessages()
|
||||
self.sendPipe(StreamMsg.stopStream, avtype)
|
||||
|
||||
def stopAllStreams(self):
|
||||
self.sendPipe(StreamMsg.stopAllStreams)
|
||||
|
||||
def cleanup(self):
|
||||
"""
|
||||
Stops the stream if it is still running, and after that, it stops the
|
||||
stream process.
|
||||
|
||||
This method SHOULD always be called before removing a AvStream object.
|
||||
Otherwise things will wait forever...
|
||||
|
||||
"""
|
||||
self.sendPipe(StreamMsg.endProcess, None)
|
||||
logging.debug("Joining stream process...")
|
||||
self.streamProcess.join()
|
||||
logging.debug("Joining stream process done")
|
||||
|
||||
def hasVideo(self):
|
||||
return True if self._video is not None else False
|
||||
"""
|
||||
Stub, TODO: for future
|
||||
"""
|
||||
return False
|
||||
|
||||
def sendPipe(self, msg, *data):
|
||||
"""
|
||||
Send a message with data over the control pipe
|
||||
"""
|
||||
self.pipe.send((msg, data))
|
||||
|
@ -1,7 +1,6 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
import os
|
||||
import platform
|
||||
import os, platform
|
||||
import shelve
|
||||
import sys
|
||||
import appdirs
|
||||
@ -11,6 +10,7 @@ from .wrappers import Window as wWindow
|
||||
from collections import namedtuple
|
||||
from dataclasses import dataclass
|
||||
from dataclasses_json import dataclass_json
|
||||
from enum import Enum, unique, auto
|
||||
|
||||
"""
|
||||
Common definitions used throughout the code.
|
||||
@ -18,8 +18,9 @@ Common definitions used throughout the code.
|
||||
|
||||
__all__ = [
|
||||
'P_REF', 'FreqWeighting', 'TimeWeighting', 'getTime', 'getFreq', 'Qty',
|
||||
'SIQtys',
|
||||
'SIQtys', 'Window',
|
||||
'lasp_shelve', 'this_lasp_shelve', 'W_REF', 'U_REF', 'I_REF', 'dBFS_REF',
|
||||
'AvType'
|
||||
]
|
||||
|
||||
# Reference sound pressure level
|
||||
@ -42,6 +43,22 @@ U_REF = 5e-8 # 50 nano meter / s
|
||||
# hence this is the reference level as specified below.
|
||||
dBFS_REF = 0.5*2**0.5 # Which level would be -3.01 dBFS
|
||||
|
||||
@unique
|
||||
class AvType(Enum):
|
||||
"""Specificying the type of data, for adding and removing callbacks from
|
||||
the stream."""
|
||||
|
||||
# Input stream
|
||||
audio_input = (0, 'input')
|
||||
|
||||
# Output stream
|
||||
audio_output = (1, 'output')
|
||||
|
||||
# Both input as well as output
|
||||
audio_duplex = (2, 'duplex')
|
||||
# video = 4
|
||||
|
||||
|
||||
@dataclass_json
|
||||
@dataclass
|
||||
class Qty:
|
||||
@ -62,7 +79,7 @@ class SIQtys:
|
||||
unit_name='No unit / full scale',
|
||||
unit_symb='-',
|
||||
level_unit=('dBFS',),
|
||||
level_ref_name=('Full scale sine wave',),
|
||||
level_ref_name=('Relative to full scale sine wave',),
|
||||
level_ref_value=(dBFS_REF,)
|
||||
)
|
||||
AP = Qty(name='Acoustic Pressure',
|
||||
@ -81,13 +98,13 @@ class SIQtys:
|
||||
level_ref_value=(1.0,),
|
||||
)
|
||||
types = (N, AP, V)
|
||||
default = AP
|
||||
default = N
|
||||
default_index = 0
|
||||
|
||||
@staticmethod
|
||||
def fillComboBox(cb):
|
||||
"""
|
||||
Fill FreqWeightings to a combobox
|
||||
Fill to a combobox
|
||||
|
||||
Args:
|
||||
cb: QComboBox to fill
|
||||
@ -126,7 +143,7 @@ class CalibrationSettings:
|
||||
@staticmethod
|
||||
def fillComboBox(cb):
|
||||
"""
|
||||
Fill FreqWeightings to a combobox
|
||||
Fill Calibration Settings to a combobox
|
||||
|
||||
Args:
|
||||
cb: QComboBox to fill
|
||||
@ -246,16 +263,14 @@ class this_lasp_shelve(Shelve):
|
||||
return os.path.join(lasp_appdir, f'{node}_config.shelve')
|
||||
|
||||
|
||||
class Window:
|
||||
@unique
|
||||
class Window(Enum):
|
||||
hann = (wWindow.hann, 'Hann')
|
||||
hamming = (wWindow.hamming, 'Hamming')
|
||||
rectangular = (wWindow.rectangular, 'Rectangular')
|
||||
bartlett = (wWindow.bartlett, 'Bartlett')
|
||||
blackman = (wWindow.blackman, 'Blackman')
|
||||
|
||||
types = (hann, hamming, rectangular, bartlett, blackman)
|
||||
default = 0
|
||||
|
||||
@staticmethod
|
||||
def fillComboBox(cb):
|
||||
"""
|
||||
@ -265,12 +280,13 @@ class Window:
|
||||
cb: QComboBox to fill
|
||||
"""
|
||||
cb.clear()
|
||||
for tw in Window.types:
|
||||
cb.addItem(tw[1], tw)
|
||||
cb.setCurrentIndex(Window.default)
|
||||
for w in list(Window):
|
||||
cb.addItem(w.value[1], w)
|
||||
cb.setCurrentIndex(0)
|
||||
|
||||
@staticmethod
|
||||
def getCurrent(cb):
|
||||
return Window.types[cb.currentIndex()]
|
||||
return list(Window)[cb.currentIndex()]
|
||||
|
||||
|
||||
class TimeWeighting:
|
||||
@ -283,6 +299,7 @@ class TimeWeighting:
|
||||
infinite = (0, 'Infinite')
|
||||
types_realtime = (ufast, fast, slow, tens, infinite)
|
||||
types_all = (none, uufast, ufast, fast, slow, tens, infinite)
|
||||
|
||||
default = fast
|
||||
default_index = 3
|
||||
default_index_realtime = 1
|
||||
@ -319,11 +336,11 @@ class FreqWeighting:
|
||||
"""
|
||||
Frequency weighting types
|
||||
"""
|
||||
Z = ('Z', 'Z-weighting')
|
||||
A = ('A', 'A-weighting')
|
||||
C = ('C', 'C-weighting')
|
||||
Z = ('Z', 'Z-weighting')
|
||||
types = (A, C, Z)
|
||||
default = A
|
||||
default = Z
|
||||
default_index = 0
|
||||
|
||||
@staticmethod
|
||||
|
@ -6,11 +6,13 @@ Author: J.A. de Jong - ASCEE
|
||||
Description: Two-microphone impedance tube methods
|
||||
"""
|
||||
__all__ = ['TwoMicImpedanceTube']
|
||||
from lrftubes import Air
|
||||
# from lrftubes import Air
|
||||
from .lasp_measurement import Measurement
|
||||
from numpy import pi, sqrt, exp
|
||||
import numpy as np
|
||||
from scipy.interpolate import UnivariateSpline
|
||||
# from lrftubes import PrsDuct
|
||||
from functools import lru_cache
|
||||
|
||||
class TwoMicImpedanceTube:
|
||||
def __init__(self, mnormal: Measurement,
|
||||
@ -21,7 +23,9 @@ class TwoMicImpedanceTube:
|
||||
fl: float = None,
|
||||
fu: float = None,
|
||||
periodic_method=False,
|
||||
mat= Air(),
|
||||
# mat= Air(),
|
||||
D_imptube = 50e-3,
|
||||
thermoviscous = True,
|
||||
**kwargs):
|
||||
|
||||
"""
|
||||
@ -60,6 +64,9 @@ class TwoMicImpedanceTube:
|
||||
kmax = ksmax/s
|
||||
self.fu = kmax*mat.c0/2/pi
|
||||
|
||||
self.thermoviscous = thermoviscous
|
||||
self.D_imptube = D_imptube
|
||||
|
||||
self.periodic_method = periodic_method
|
||||
self.channels = [kwargs.pop('chan0', 0), kwargs.pop('chan1', 1)]
|
||||
# Compute calibration correction
|
||||
@ -82,8 +89,9 @@ class TwoMicImpedanceTube:
|
||||
# Calibration correction factor
|
||||
# self.K = 0*self.freq + 1.0
|
||||
K = sqrt(C2[:,0,1]*C1[:,0,0]/(C2[:,1,1]*C1[:,1,0]))
|
||||
self.K = UnivariateSpline(self.freq, K.real)(self.freq) +\
|
||||
1j*UnivariateSpline(self.freq, K.imag)(self.freq)
|
||||
# self.K = UnivariateSpline(self.freq, K.real)(self.freq) +\
|
||||
# 1j*UnivariateSpline(self.freq, K.imag)(self.freq)
|
||||
self.K = K
|
||||
|
||||
def cut_to_limits(self, ar):
|
||||
return ar[self.il:self.ul]
|
||||
@ -94,6 +102,7 @@ class TwoMicImpedanceTube:
|
||||
"""
|
||||
return self.cut_to_limits(self.freq)
|
||||
|
||||
@lru_cache
|
||||
def G_AB(self, meas):
|
||||
if meas is self.mnormal:
|
||||
C = self.C1
|
||||
|
24
lasp/lasp_logging.py
Normal file
24
lasp/lasp_logging.py
Normal file
@ -0,0 +1,24 @@
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
Author: J.A. de Jong
|
||||
|
||||
Description: configure the logging of messages
|
||||
"""
|
||||
import logging, sys
|
||||
# __all__ = ['configureLogging']
|
||||
|
||||
# global_loglevel = None
|
||||
|
||||
# def configureLogging(level=None):
|
||||
|
||||
# # Oh yeah, one global variable
|
||||
# global global_loglevel
|
||||
# if level is None:
|
||||
# level is global_loglevel
|
||||
# else:
|
||||
# global_loglevel = level
|
||||
|
||||
# if level is None:
|
||||
# raise RuntimeError('Log level has not yet been set application wide')
|
||||
|
||||
|
@ -48,8 +48,6 @@ import os, time, wave, logging
|
||||
from .lasp_common import SIQtys, Qty, getFreq
|
||||
from .device import DaqChannel
|
||||
from .wrappers import AvPowerSpectra, Window, PowerSpectra
|
||||
logger = logging.Logger(__name__)
|
||||
|
||||
|
||||
|
||||
def getSampWidth(dtype):
|
||||
@ -210,11 +208,18 @@ class Measurement:
|
||||
self.N = (self.nblocks * self.blocksize)
|
||||
self.T = self.N / self.samplerate
|
||||
|
||||
# Due to a previous bug, the channel names were not stored
|
||||
# consistently, i.e. as 'channel_names' and later camelcase.
|
||||
try:
|
||||
self._channel_names = f.attrs['channel_names']
|
||||
self._channelNames = f.attrs['channelNames']
|
||||
except KeyError:
|
||||
try:
|
||||
self._channelNames = f.attrs['channel_names']
|
||||
logging.info("Measurement file obtained which stores channel names with *old* attribute 'channel_names'")
|
||||
except KeyError:
|
||||
# No channel names found in measurement file
|
||||
self._channel_names = [f'Unnamed {i}' for i in range(self.nchannels)]
|
||||
logging.info('No channel name data found in measurement')
|
||||
self._channelNames = [f'Unnamed {i}' for i in range(self.nchannels)]
|
||||
|
||||
# comment = read-write thing
|
||||
try:
|
||||
@ -234,7 +239,6 @@ class Measurement:
|
||||
|
||||
self._time = f.attrs['time']
|
||||
|
||||
|
||||
try:
|
||||
qtys_json = f.attrs['qtys']
|
||||
# Load quantity data
|
||||
@ -242,10 +246,14 @@ class Measurement:
|
||||
except KeyError:
|
||||
# If quantity data is not available, this is an 'old'
|
||||
# measurement file.
|
||||
logger.debug('Physical quantity data not available in measurement file. Assuming {SIQtys.default}')
|
||||
logging.debug(f'Physical quantity data not available in measurement file. Assuming {SIQtys.default}')
|
||||
self._qtys = [SIQtys.default for i in range(self.nchannels)]
|
||||
|
||||
def setAttribute(self, atrname, value):
|
||||
"""
|
||||
Set an attribute in the measurement file, and keep a local copy in
|
||||
memory for efficient accessing.
|
||||
"""
|
||||
with self.file('r+') as f:
|
||||
# Update comment attribute in the file
|
||||
f.attrs[atrname] = value
|
||||
@ -258,7 +266,7 @@ class Measurement:
|
||||
|
||||
@property
|
||||
def channelNames(self):
|
||||
return self._channel_names
|
||||
return self._channelNames
|
||||
|
||||
@channelNames.setter
|
||||
def channelNames(self, newchnames):
|
||||
|
57
lasp/lasp_multiprocessingpatch.py
Normal file
57
lasp/lasp_multiprocessingpatch.py
Normal file
@ -0,0 +1,57 @@
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
Author: J.A. de Jong
|
||||
|
||||
Description: MonkeyPatch required to let the Multiprocessing library work properly.
|
||||
Should be applied prior to running any other multiprocessing code. Comes from
|
||||
Stackoverflow and is mainly used for managing a list of queues that can be
|
||||
shared between processes.
|
||||
|
||||
For more information, see:
|
||||
https://stackoverflow.com/questions/46779860/multiprocessing-managers-and-custom-classes
|
||||
"""
|
||||
from multiprocessing import managers
|
||||
import logging
|
||||
from functools import wraps
|
||||
from inspect import signature
|
||||
|
||||
orig_AutoProxy = managers.AutoProxy
|
||||
|
||||
__all__ = ['apply_patch']
|
||||
|
||||
|
||||
@wraps(managers.AutoProxy)
|
||||
def AutoProxy(*args, incref=True, manager_owned=False, **kwargs):
|
||||
# Create the autoproxy without the manager_owned flag, then
|
||||
# update the flag on the generated instance. If the manager_owned flag
|
||||
# is set, `incref` is disabled, so set it to False here for the same
|
||||
# result.
|
||||
autoproxy_incref = False if manager_owned else incref
|
||||
proxy = orig_AutoProxy(*args, incref=autoproxy_incref, **kwargs)
|
||||
proxy._owned_by_manager = manager_owned
|
||||
return proxy
|
||||
|
||||
|
||||
def apply_patch():
|
||||
if "manager_owned" in signature(managers.AutoProxy).parameters:
|
||||
return
|
||||
|
||||
logging.debug("Patching multiprocessing.managers.AutoProxy to add manager_owned")
|
||||
managers.AutoProxy = AutoProxy
|
||||
|
||||
# re-register any types already registered to SyncManager without a custom
|
||||
# proxy type, as otherwise these would all be using the old unpatched AutoProxy
|
||||
SyncManager = managers.SyncManager
|
||||
registry = managers.SyncManager._registry
|
||||
for typeid, (callable, exposed, method_to_typeid, proxytype) in registry.items():
|
||||
if proxytype is not orig_AutoProxy:
|
||||
continue
|
||||
create_method = hasattr(managers.SyncManager, typeid)
|
||||
SyncManager.register(
|
||||
typeid,
|
||||
callable=callable,
|
||||
exposed=exposed,
|
||||
method_to_typeid=method_to_typeid,
|
||||
create_method=create_method,
|
||||
)
|
||||
|
@ -1,57 +1,207 @@
|
||||
#!/usr/bin/python3
|
||||
#!/usr/bin/python3.8
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
Read data from stream and record sound and video at the same time
|
||||
"""
|
||||
from .lasp_atomic import Atomic
|
||||
from threading import Condition
|
||||
from .lasp_avstream import AvType, AvStream
|
||||
import h5py
|
||||
import dataclasses
|
||||
import os
|
||||
import time
|
||||
import dataclasses, logging, os, time, h5py
|
||||
from .lasp_avstream import StreamManager, StreamMetaData, StreamMsg
|
||||
from .lasp_common import AvType
|
||||
|
||||
|
||||
@dataclasses.dataclass
|
||||
class RecordStatus:
|
||||
curT: float
|
||||
done: bool
|
||||
|
||||
class Recording:
|
||||
|
||||
def __init__(self, fn: str, stream: AvStream,
|
||||
rectime: float=None, wait: bool = True,
|
||||
progressCallback=None):
|
||||
class Recording:
|
||||
"""
|
||||
Class used to perform a recording.
|
||||
"""
|
||||
def __init__(self, fn: str, streammgr: StreamManager,
|
||||
rectime: float = None, wait: bool = True,
|
||||
progressCallback=None,
|
||||
startDelay: float=0):
|
||||
"""
|
||||
Start a recording. Blocks if wait is set to True.
|
||||
|
||||
Args:
|
||||
fn: Filename to record to. extension is added
|
||||
fn: Filename to record to. Extension is automatically added if not
|
||||
provided.
|
||||
stream: AvStream instance to record from. Should have input
|
||||
channels!
|
||||
rectime: Recording time, None for infinite
|
||||
rectime: Recording time [s], None for infinite, in seconds. If set
|
||||
to None, or np.inf, the recording continues indefintely.
|
||||
progressCallback: callable that is called with an instance of
|
||||
RecordStatus instance as argument.
|
||||
startDelay: Optional delay added before the recording is *actually*
|
||||
started in [s].
|
||||
"""
|
||||
ext = '.h5'
|
||||
if ext not in fn:
|
||||
fn += ext
|
||||
|
||||
self._stream = stream
|
||||
self.blocksize = stream.blocksize
|
||||
self.samplerate = stream.samplerate
|
||||
self._running = Atomic(False)
|
||||
self._running_cond = Condition()
|
||||
self.smgr = streammgr
|
||||
self.metadata = None
|
||||
|
||||
assert startDelay >= 0
|
||||
self.startDelay = startDelay
|
||||
# Flag used to indicate that we have passed the start delay
|
||||
self.startDelay_passed = False
|
||||
self.rectime = rectime
|
||||
self._fn = fn
|
||||
self.fn = fn
|
||||
|
||||
self._video_frame_positions = []
|
||||
self._curT_rounded_to_seconds = 0
|
||||
self.video_frame_positions = []
|
||||
self.curT_rounded_to_seconds = 0
|
||||
|
||||
self._ablockno = Atomic(0)
|
||||
self._vframeno = 0
|
||||
# Counter of the number of blocks
|
||||
self.ablockno = 0
|
||||
self.vframeno = 0
|
||||
|
||||
self._progressCallback = progressCallback
|
||||
self._wait = wait
|
||||
self.progressCallback = progressCallback
|
||||
self.wait = wait
|
||||
|
||||
self._f = h5py.File(self._fn, 'w')
|
||||
self._deleteFile = False
|
||||
self.f = h5py.File(self.fn, 'w')
|
||||
|
||||
# This flag is used to delete the file on finish(), and can be used
|
||||
# when a recording is canceled.
|
||||
self.deleteFile = False
|
||||
|
||||
try:
|
||||
# Input queue
|
||||
self.inq = streammgr.addInQueueListener()
|
||||
|
||||
except RuntimeError:
|
||||
# Cleanup stuff, something is going wrong when starting the stream
|
||||
try:
|
||||
self.f.close()
|
||||
except Exception as e:
|
||||
logging.error(
|
||||
'Error preliminary closing measurement file {fn}: {str(e)}')
|
||||
|
||||
self.__deleteFile()
|
||||
raise
|
||||
|
||||
# Try to obtain stream metadata
|
||||
streammgr.getStreamStatus(AvType.audio_input)
|
||||
streammgr.getStreamStatus(AvType.audio_duplex)
|
||||
|
||||
self.ad = None
|
||||
|
||||
logging.debug('Starting record....')
|
||||
# TODO: Fix this later when we want video
|
||||
# if stream.hasVideo():
|
||||
# stream.addCallback(self.aCallback, AvType.audio_input)
|
||||
self.stop = False
|
||||
|
||||
if self.wait:
|
||||
logging.debug('Stop recording with CTRL-C')
|
||||
try:
|
||||
while not self.stop:
|
||||
self.handleQueue()
|
||||
time.sleep(0.01)
|
||||
except KeyboardInterrupt:
|
||||
logging.debug("Keyboard interrupt on record")
|
||||
finally:
|
||||
self.finish()
|
||||
|
||||
def handleQueue(self):
|
||||
"""
|
||||
This method should be called to grab data from the input queue, which
|
||||
is filled by the stream, and put it into a file. It should be called at
|
||||
a regular interval to prevent overflowing of the queue. It is called
|
||||
within the start() method of the recording, if block is set to True.
|
||||
Otherwise, it should be called from its parent at regular intervals.
|
||||
For example, in Qt this can be done using a QTimer.
|
||||
|
||||
|
||||
"""
|
||||
# logging.debug('handleQueue()')
|
||||
while self.inq.qsize() > 0:
|
||||
msg, data = self.inq.get()
|
||||
# logging.debug(f'Obtained message: {msg}')
|
||||
if msg == StreamMsg.streamData:
|
||||
samples, = data
|
||||
self.__addTimeData(samples)
|
||||
elif msg == StreamMsg.streamStarted:
|
||||
logging.debug(f'handleQueue obtained message {msg}')
|
||||
avtype, metadata = data
|
||||
if metadata is None:
|
||||
raise RuntimeError('BUG: no stream metadata')
|
||||
if avtype in (AvType.audio_duplex, AvType.audio_input):
|
||||
self.processStreamMetaData(metadata)
|
||||
elif msg == StreamMsg.streamMetaData:
|
||||
logging.debug(f'handleQueue obtained message {msg}')
|
||||
avtype, metadata = data
|
||||
if metadata is not None:
|
||||
self.processStreamMetaData(metadata)
|
||||
elif msg == StreamMsg.streamTemporaryError:
|
||||
pass
|
||||
else:
|
||||
logging.debug(f'handleQueue obtained message {msg}')
|
||||
# An error occured, we do not remove the file, but we stop.
|
||||
self.stop = True
|
||||
logging.debug(f'Stream message: {msg}. Recording stopped unexpectedly')
|
||||
raise RuntimeError('Recording stopped unexpectedly')
|
||||
|
||||
|
||||
def processStreamMetaData(self, md: StreamMetaData):
|
||||
"""
|
||||
Stream metadata has been catched. This is used to set all metadata in
|
||||
the measurement file
|
||||
|
||||
"""
|
||||
logging.debug('Recording::processStreamMetaData()')
|
||||
if self.metadata is not None:
|
||||
# Metadata already obtained. We check whether the new metadata is
|
||||
# compatible. Otherwise an error occurs
|
||||
if md != self.metadata:
|
||||
raise RuntimeError('BUG: Incompatible stream metadata!')
|
||||
return
|
||||
|
||||
# The 'Audio' dataset as specified in lasp_measurement, where data is
|
||||
# send to. We use gzip as compression, this gives moderate a moderate
|
||||
# compression to the data.
|
||||
f = self.f
|
||||
blocksize = md.blocksize
|
||||
nchannels = len(md.in_ch)
|
||||
self.ad = f.create_dataset('audio',
|
||||
(1, blocksize, nchannels),
|
||||
dtype=md.dtype,
|
||||
maxshape=(
|
||||
None, # This means, we can add blocks
|
||||
# indefinitely
|
||||
blocksize,
|
||||
nchannels),
|
||||
compression='gzip'
|
||||
)
|
||||
|
||||
# TODO: This piece of code is not up-to-date and should be changed at a
|
||||
# later instance once we really want to record video simultaneously
|
||||
# with audio.
|
||||
# if smgr.hasVideo():
|
||||
# video_x, video_y = smgr.video_x, smgr.video_y
|
||||
# self.vd = f.create_dataset('video',
|
||||
# (1, video_y, video_x, 3),
|
||||
# dtype='uint8',
|
||||
# maxshape=(
|
||||
# None, video_y, video_x, 3),
|
||||
# compression='gzip'
|
||||
# )
|
||||
|
||||
# Set the bunch of attributes
|
||||
f.attrs['samplerate'] = md.fs
|
||||
f.attrs['nchannels'] = nchannels
|
||||
f.attrs['blocksize'] = blocksize
|
||||
f.attrs['sensitivity'] = [ch.sensitivity for ch in md.in_ch]
|
||||
f.attrs['channelNames'] = [ch.channel_name for ch in md.in_ch]
|
||||
f.attrs['time'] = time.time()
|
||||
self.blocksize = blocksize
|
||||
self.fs = md.fs
|
||||
|
||||
# Measured physical quantity metadata
|
||||
f.attrs['qtys'] = [ch.qty.to_json() for ch in md.in_ch]
|
||||
self.metadata = md
|
||||
|
||||
def setDelete(self, val: bool):
|
||||
"""
|
||||
@ -59,122 +209,111 @@ class Recording:
|
||||
the recording. Typically used for cleaning up after canceling a
|
||||
recording.
|
||||
"""
|
||||
self._deleteFile = val
|
||||
self.deleteFile = val
|
||||
|
||||
def __enter__(self):
|
||||
def finish(self):
|
||||
"""
|
||||
This method should be called to finish and a close a recording file,
|
||||
remove the queue from the stream, etc.
|
||||
|
||||
with Recording(fn, stream, wait=False):
|
||||
event_loop_here()
|
||||
|
||||
or:
|
||||
|
||||
with Recording(fn, stream, wait=True):
|
||||
pass
|
||||
"""
|
||||
logging.debug('Recording::finish()')
|
||||
smgr = self.smgr
|
||||
|
||||
stream = self._stream
|
||||
f = self._f
|
||||
nchannels = len(stream.input_channel_names)
|
||||
# TODO: Fix when video
|
||||
# if smgr.hasVideo():
|
||||
# smgr.removeCallback(self.vCallback, AvType.video_input)
|
||||
# self.f['video_frame_positions'] = self.video_frame_positions
|
||||
|
||||
self._ad = f.create_dataset('audio',
|
||||
(1, stream.blocksize, nchannels),
|
||||
dtype=stream.dtype,
|
||||
maxshape=(None, stream.blocksize,
|
||||
nchannels),
|
||||
compression='gzip'
|
||||
)
|
||||
if stream.hasVideo():
|
||||
video_x, video_y = stream.video_x, stream.video_y
|
||||
self._vd = f.create_dataset('video',
|
||||
(1, video_y, video_x, 3),
|
||||
dtype='uint8',
|
||||
maxshape=(
|
||||
None, video_y, video_x, 3),
|
||||
compression='gzip'
|
||||
)
|
||||
|
||||
f.attrs['samplerate'] = stream.samplerate
|
||||
f.attrs['nchannels'] = nchannels
|
||||
f.attrs['blocksize'] = stream.blocksize
|
||||
f.attrs['sensitivity'] = stream.input_sensitivity
|
||||
f.attrs['channel_names'] = stream.input_channel_names
|
||||
f.attrs['time'] = time.time()
|
||||
f.attrs['qtys'] = [qty.to_json() for qty in stream.input_qtys]
|
||||
self._running <<= True
|
||||
|
||||
if not stream.isRunning():
|
||||
stream.start()
|
||||
|
||||
print('Starting record....')
|
||||
stream.addCallback(self._aCallback, AvType.audio_input)
|
||||
if stream.hasVideo():
|
||||
stream.addCallback(self._aCallback, AvType.audio_input)
|
||||
|
||||
if self._wait:
|
||||
with self._running_cond:
|
||||
print('Stop recording with CTRL-C')
|
||||
try:
|
||||
while self._running:
|
||||
self._running_cond.wait()
|
||||
except KeyboardInterrupt:
|
||||
print("Keyboard interrupt on record")
|
||||
self._running <<= False
|
||||
|
||||
|
||||
def __exit__(self, type, value, traceback):
|
||||
self._running <<= False
|
||||
stream = self._stream
|
||||
stream.removeCallback(self._aCallback, AvType.audio_input)
|
||||
if stream.hasVideo():
|
||||
stream.removeCallback(self._vCallback, AvType.video_input)
|
||||
self._f['video_frame_positions'] = self._video_frame_positions
|
||||
|
||||
self._f.close()
|
||||
print('\nEnding record')
|
||||
if self._deleteFile:
|
||||
try:
|
||||
os.remove(self._fn)
|
||||
smgr.removeInQueueListener(self.inq)
|
||||
except Exception as e:
|
||||
print(f'Error deleting file: {self._fn}')
|
||||
logging.error(f'Could not remove queue from smgr: {e}')
|
||||
|
||||
try:
|
||||
# Close the recording file
|
||||
self.f.close()
|
||||
except Exception as e:
|
||||
logging.error(f'Error closing file: {e}')
|
||||
|
||||
def _aCallback(self, indata, outdata, aframe):
|
||||
if indata is None:
|
||||
logging.debug('Recording ended')
|
||||
if self.deleteFile:
|
||||
self.__deleteFile()
|
||||
|
||||
def __deleteFile(self):
|
||||
"""
|
||||
Cleanup the recording file.
|
||||
"""
|
||||
try:
|
||||
os.remove(self.fn)
|
||||
except Exception as e:
|
||||
logging.error(f'Error deleting file: {self.fn}')
|
||||
|
||||
def __addTimeData(self, indata):
|
||||
"""
|
||||
Called by handleQueue() and adds new time data to the storage file.
|
||||
"""
|
||||
# logging.debug('Recording::__addTimeData()')
|
||||
|
||||
if self.stop:
|
||||
# Stop flag is raised. We stop recording here.
|
||||
return
|
||||
|
||||
curT = self._ablockno()*self.blocksize/self.samplerate
|
||||
# The current time that is recorded and stored into the file, without
|
||||
# the new data
|
||||
if not self.metadata:
|
||||
# We obtained stream data, but metadata is not yet available.
|
||||
# Therefore, we request it explicitly and then we return
|
||||
logging.info('Requesting stream metadata')
|
||||
self.smgr.getStreamStatus(AvType.audio_input)
|
||||
self.smgr.getStreamStatus(AvType.audio_duplex)
|
||||
return
|
||||
|
||||
curT = self.ablockno*self.blocksize/self.fs
|
||||
|
||||
# Increase the block counter
|
||||
self.ablockno += 1
|
||||
|
||||
if curT < self.startDelay and not self.startDelay_passed:
|
||||
# Start delay has not been passed
|
||||
return
|
||||
elif curT >= 0 and not self.startDelay_passed:
|
||||
# Start delay passed, switch the flag!
|
||||
self.startDelay_passed = True
|
||||
# Reset the audio block counter and the time
|
||||
self.ablockno = 1
|
||||
curT = 0
|
||||
|
||||
recstatus = RecordStatus(
|
||||
curT = curT,
|
||||
done = False)
|
||||
if self._progressCallback is not None:
|
||||
self._progressCallback(recstatus)
|
||||
curT=curT,
|
||||
done=False)
|
||||
|
||||
if self.progressCallback is not None:
|
||||
self.progressCallback(recstatus)
|
||||
|
||||
curT_rounded_to_seconds = int(curT)
|
||||
if curT_rounded_to_seconds > self._curT_rounded_to_seconds:
|
||||
self._curT_rounded_to_seconds = curT_rounded_to_seconds
|
||||
if curT_rounded_to_seconds > self.curT_rounded_to_seconds:
|
||||
self.curT_rounded_to_seconds = curT_rounded_to_seconds
|
||||
print(f'{curT_rounded_to_seconds}', end='', flush=True)
|
||||
else:
|
||||
print('.', end='', flush=True)
|
||||
|
||||
if self.rectime is not None and curT > self.rectime:
|
||||
# We are done!
|
||||
self._running <<= False
|
||||
with self._running_cond:
|
||||
self._running_cond.notify()
|
||||
if self._progressCallback is not None:
|
||||
if self.progressCallback is not None:
|
||||
recstatus.done = True
|
||||
self._progressCallback(recstatus)
|
||||
self.progressCallback(recstatus)
|
||||
self.stop = True
|
||||
return
|
||||
|
||||
self._ad.resize(self._ablockno()+1, axis=0)
|
||||
self._ad[self._ablockno(), :, :] = indata
|
||||
self._ablockno += 1
|
||||
# Add the data to the file, and resize the audio data blocks
|
||||
self.ad.resize(self.ablockno, axis=0)
|
||||
self.ad[self.ablockno-1, :, :] = indata
|
||||
|
||||
def _vCallback(self, frame, framectr):
|
||||
self._video_frame_positions.append(self._ablockno())
|
||||
vframeno = self._vframeno
|
||||
self._vd.resize(vframeno+1, axis=0)
|
||||
self._vd[vframeno, :, :] = frame
|
||||
self._vframeno += 1
|
||||
|
||||
# def _vCallback(self, frame, framectr):
|
||||
# self.video_frame_positions.append(self.ablockno())
|
||||
# vframeno = self.vframeno
|
||||
# self.vd.resize(vframeno+1, axis=0)
|
||||
# self.vd[vframeno, :, :] = frame
|
||||
# self.vframeno += 1
|
||||
|
336
lasp/lasp_siggen.py
Normal file
336
lasp/lasp_siggen.py
Normal file
@ -0,0 +1,336 @@
|
||||
#!/usr/bin/env python3.6
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
Author: J.A. de Jong - ASCEE
|
||||
|
||||
Description: Signal generator code
|
||||
|
||||
"""
|
||||
import multiprocessing as mp
|
||||
import dataclasses
|
||||
import logging
|
||||
from typing import Tuple
|
||||
import numpy as np
|
||||
|
||||
from .filter import PinkNoise
|
||||
from .lasp_octavefilter import SosOctaveFilterBank, SosThirdOctaveFilterBank
|
||||
from .filter import OctaveBankDesigner, PinkNoise, ThirdOctaveBankDesigner
|
||||
from .lasp_avstream import StreamManager, ignoreSigInt
|
||||
from .wrappers import Siggen as pyxSiggen, Equalizer
|
||||
from enum import Enum, unique, auto
|
||||
|
||||
QUEUE_BUFFER_TIME = 0.5 # The amount of time used in the queues for buffering
|
||||
# of data, larger is more stable, but also enlarges latency
|
||||
|
||||
__all__ = ["SignalType", "NoiseType", "SiggenMessage", "SiggenData", "Siggen"]
|
||||
|
||||
|
||||
@unique
|
||||
class SignalType(Enum):
|
||||
Periodic = 0
|
||||
Noise = 1
|
||||
Sweep = 2
|
||||
Meas = 3
|
||||
|
||||
|
||||
@unique
|
||||
class NoiseType(Enum):
|
||||
white = "White noise"
|
||||
pink = "Pink noise"
|
||||
|
||||
def __str__(self):
|
||||
return str(self.value)
|
||||
|
||||
@staticmethod
|
||||
def fillComboBox(combo):
|
||||
for type_ in list(NoiseType):
|
||||
combo.addItem(str(type_))
|
||||
|
||||
@staticmethod
|
||||
def getCurrent(cb):
|
||||
return list(NoiseType)[cb.currentIndex()]
|
||||
|
||||
|
||||
class SiggenWorkerDone(Exception):
|
||||
def __str__(self):
|
||||
return "Done generating signal"
|
||||
|
||||
|
||||
@unique
|
||||
class SiggenMessage(Enum):
|
||||
"""
|
||||
Different messages that can be send to the signal generator over the pipe
|
||||
connection.
|
||||
"""
|
||||
endProcess = auto() # Stop and quit the signal generator
|
||||
adjustVolume = auto() # Adjust the volume
|
||||
newEqSettings = auto() # Forward new equalizer settings
|
||||
newSiggenData = auto() # Forward new equalizer settings
|
||||
ready = auto() # Send out once, once the signal generator is ready with
|
||||
# pre-generating data.
|
||||
|
||||
# These messages are send back to the main thread over the pipe
|
||||
error = auto()
|
||||
done = auto()
|
||||
|
||||
|
||||
@dataclasses.dataclass
|
||||
class SiggenData:
|
||||
"""
|
||||
Metadata used to create a Signal Generator
|
||||
"""
|
||||
fs: float # Sample rate [Hz]
|
||||
|
||||
# Number of frames "samples" to send in one block
|
||||
nframes_per_block: int
|
||||
|
||||
# The data type to output
|
||||
dtype: np.dtype
|
||||
|
||||
# Level of output signal [dBFS]el
|
||||
level_dB: float
|
||||
|
||||
# Signal type specific data, i.e.
|
||||
signaltype: SignalType
|
||||
signaltypedata: Tuple = None
|
||||
|
||||
# Settings for the equalizer etc
|
||||
eqdata: object = None # Equalizer data
|
||||
|
||||
class SiggenProcess(mp.Process):
|
||||
"""
|
||||
Main function running in a different process, is responsible for generating
|
||||
new signal data. Uses the signal queue to push new generated signal data
|
||||
on.
|
||||
"""
|
||||
def __init__(self, siggendata, dataq, pipe):
|
||||
|
||||
"""
|
||||
Args:
|
||||
siggendata: The signal generator data to start with.
|
||||
dataq: The queue to put generated signal on
|
||||
pipe: Control and status messaging pipe
|
||||
"""
|
||||
super().__init__()
|
||||
|
||||
# When this is set, a kill on the main process will also kill the
|
||||
# siggen process. Highly wanted feature
|
||||
self.daemon = True
|
||||
|
||||
self.dataq = dataq
|
||||
self.siggendata = siggendata
|
||||
self.pipe = pipe
|
||||
self.eq = None
|
||||
self.siggen = None
|
||||
|
||||
fs = self.siggendata.fs
|
||||
nframes_per_block = siggendata.nframes_per_block
|
||||
self.nblocks_buffer = max(
|
||||
1, int(QUEUE_BUFFER_TIME * fs/ nframes_per_block)
|
||||
)
|
||||
|
||||
def newSiggen(self, siggendata: SiggenData):
|
||||
"""
|
||||
Create a signal generator based on parameters specified in global
|
||||
function data.
|
||||
|
||||
Args:
|
||||
siggendata: SiggenData. Metadata to create a new signal generator.
|
||||
"""
|
||||
|
||||
logging.debug('newSiggen')
|
||||
|
||||
fs = siggendata.fs
|
||||
nframes_per_block = siggendata.nframes_per_block
|
||||
level_dB = siggendata.level_dB
|
||||
signaltype = siggendata.signaltype
|
||||
signaltypedata = siggendata.signaltypedata
|
||||
|
||||
if signaltype == SignalType.Periodic:
|
||||
freq, = signaltypedata
|
||||
siggen = pyxSiggen.sineWave(fs, freq, level_dB)
|
||||
elif signaltype == SignalType.Noise:
|
||||
noisetype, zerodBpoint = signaltypedata
|
||||
if noisetype == NoiseType.white:
|
||||
sos_colorfilter = None
|
||||
elif noisetype == NoiseType.pink:
|
||||
sos_colorfilter = PinkNoise(fs, zerodBpoint).flatten()
|
||||
else:
|
||||
raise ValueError(f"Unknown noise type")
|
||||
|
||||
siggen = pyxSiggen.noise(fs, level_dB, sos_colorfilter)
|
||||
|
||||
elif signaltype == SignalType.Sweep:
|
||||
fl, fu, Ts, Tq, sweep_flags = signaltypedata
|
||||
siggen = pyxSiggen.sweep(fs, fl, fu, Ts, Tq, sweep_flags, level_dB)
|
||||
|
||||
else:
|
||||
raise ValueError(f"Not implemented signal type: {signaltype}")
|
||||
|
||||
logging.debug('newSiggen')
|
||||
return siggen
|
||||
|
||||
def generate(self):
|
||||
"""
|
||||
Generate a single block of data and put it on the data queue
|
||||
"""
|
||||
signal = self.siggen.genSignal(self.siggendata.nframes_per_block)
|
||||
dtype = self.siggendata.dtype
|
||||
if self.eq is not None:
|
||||
signal = self.eq.equalize(signal)
|
||||
if np.issubdtype(dtype, np.integer):
|
||||
bitdepth_fixed = dtype.itemsize * 8
|
||||
signal *= 2 ** (bitdepth_fixed - 1) - 1
|
||||
self.dataq.put(signal.astype(dtype))
|
||||
|
||||
def newEqualizer(self, eqdata):
|
||||
"""
|
||||
Create an equalizer object from equalizer data
|
||||
|
||||
Args:
|
||||
eqdata: dictionary containing equalizer data. TODO: document the
|
||||
requiring fields.
|
||||
"""
|
||||
if eqdata is None:
|
||||
return None
|
||||
eq_type = eqdata['type']
|
||||
eq_levels = eqdata['levels']
|
||||
fs = self.siggendata.fs
|
||||
|
||||
if eq_type == 'three':
|
||||
fb = SosThirdOctaveFilterBank(fs)
|
||||
elif eq_type == 'one':
|
||||
fb = SosOctaveFilterBank(fs)
|
||||
|
||||
eq = Equalizer(fb._fb)
|
||||
if eq_levels is not None:
|
||||
eq.setLevels(eq_levels)
|
||||
return eq
|
||||
|
||||
def run(self):
|
||||
# The main function of the actual process
|
||||
# First things first
|
||||
ignoreSigInt()
|
||||
|
||||
try:
|
||||
self.siggen = self.newSiggen(self.siggendata)
|
||||
except Exception as e:
|
||||
self.pipe.send((SiggenMessage.error, str(e)))
|
||||
|
||||
try:
|
||||
self.eq = self.newEqualizer(self.siggendata.eqdata)
|
||||
except Exception as e:
|
||||
self.pipe.send((SiggenMessage.error, str(e)))
|
||||
|
||||
# Pre-generate blocks of signal data
|
||||
while self.dataq.qsize() < self.nblocks_buffer:
|
||||
self.generate()
|
||||
|
||||
self.pipe.send((SiggenMessage.ready, None))
|
||||
|
||||
while True:
|
||||
# Wait here for a while, to check for messages to consume
|
||||
if self.pipe.poll(timeout=QUEUE_BUFFER_TIME / 4):
|
||||
msg, data = self.pipe.recv()
|
||||
if msg == SiggenMessage.endProcess:
|
||||
logging.debug("Signal generator caught 'endProcess' message. Exiting.")
|
||||
return 0
|
||||
elif msg == SiggenMessage.adjustVolume:
|
||||
level_dB = data
|
||||
logging.debug(f"Signal generator caught 'adjustVolume' message. New volume = {level_dB:.1f} dB FS")
|
||||
self.siggen.setLevel(level_dB)
|
||||
elif msg == SiggenMessage.newEqSettings:
|
||||
eqdata = data
|
||||
self.eq = self.newEqualizer(eqdata)
|
||||
elif msg == SiggenMessage.newSiggenData:
|
||||
siggendata = data
|
||||
self.siggen = self.newSiggen(siggendata)
|
||||
else:
|
||||
self.pipe.send(
|
||||
SiggenMessage.error, "BUG: Generator caught unknown message. Quiting"
|
||||
)
|
||||
while self.dataq.qsize() < self.nblocks_buffer:
|
||||
# Generate new data and put it in the queue!
|
||||
try:
|
||||
self.generate()
|
||||
except SiggenWorkerDone:
|
||||
self.pipe.send(SiggenMessage.done)
|
||||
return 0
|
||||
|
||||
return 1
|
||||
|
||||
|
||||
class Siggen:
|
||||
"""
|
||||
Signal generator class, generates signal data in a different process to
|
||||
unload the work in the calling thread.
|
||||
"""
|
||||
|
||||
def __init__(self, dataq, siggendata: SiggenData):
|
||||
""""""
|
||||
|
||||
self.pipe, client_end = mp.Pipe(duplex=True)
|
||||
|
||||
self.stopped = False
|
||||
|
||||
self.process = SiggenProcess(siggendata, dataq, client_end)
|
||||
self.process.start()
|
||||
|
||||
if not self.process.is_alive():
|
||||
raise RuntimeError('Unexpected signal generator exception')
|
||||
|
||||
# Block waiting here for signal generator to be ready
|
||||
msg, data = self.pipe.recv()
|
||||
if msg == SiggenMessage.ready:
|
||||
logging.debug('Signal generator ready')
|
||||
elif msg == SiggenMessage.error:
|
||||
e = data
|
||||
raise RuntimeError(f'Signal generator exception: {str(e)}')
|
||||
else:
|
||||
# Done, or something
|
||||
if msg == SiggenMessage.done:
|
||||
self.stopped = True
|
||||
|
||||
self.handle_msgs()
|
||||
|
||||
def setLevel(self, new_level):
|
||||
"""
|
||||
Set a new signal level to the generator
|
||||
|
||||
Args:
|
||||
new_level: The new level in [dBFS]
|
||||
"""
|
||||
self.pipe.send((SiggenMessage.adjustVolume, new_level))
|
||||
|
||||
def setEqData(self, eqdata):
|
||||
self.pipe.send((SiggenMessage.newEqSettings, eqdata))
|
||||
|
||||
def setSiggenData(self, siggendata: SiggenData):
|
||||
"""
|
||||
Updates the whole signal generator, based on new signal generator data.
|
||||
"""
|
||||
self.pipe.send((SiggenMessage.newSiggenData, siggendata))
|
||||
|
||||
def handle_msgs(self):
|
||||
while self.pipe.poll():
|
||||
msg, data = self.pipe.recv()
|
||||
if msg == SiggenMessage.error:
|
||||
raise RuntimeError(
|
||||
f"Error in initialization of signal generator: {data}"
|
||||
)
|
||||
# elif msg == SiggenMessage.done:
|
||||
# self.stop()
|
||||
|
||||
|
||||
def cleanup(self):
|
||||
logging.debug('Siggen::stop()')
|
||||
self.pipe.send((SiggenMessage.endProcess, None))
|
||||
self.pipe.close()
|
||||
|
||||
logging.debug('Joining siggen process')
|
||||
self.process.join()
|
||||
logging.debug('Joining siggen process done')
|
||||
self.process.close()
|
||||
|
||||
self.process = None
|
||||
|
@ -1,6 +1,3 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
from .config import init_backend
|
||||
from lasp.lasp_common import FreqWeighting, TimeWeighting
|
||||
__all__ = ['init_backend',
|
||||
'FreqWeighting', 'TimeWeighting']
|
||||
from .tools import *
|
||||
|
@ -1,52 +0,0 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
"""!
|
||||
Author: J.A. de Jong - ASCEE
|
||||
|
||||
Description:
|
||||
"""
|
||||
__all__ = ['init_backend', 'getReportQuality']
|
||||
|
||||
_report_quality = False
|
||||
_init = False
|
||||
|
||||
|
||||
def init_matplotlib(report_quality=False):
|
||||
global _init
|
||||
if not _init:
|
||||
_init = True
|
||||
print('Initializing matplotlib...')
|
||||
preamble = [
|
||||
r'\usepackage{libertine-type1}'
|
||||
r'\usepackage[libertine]{newtxmath}'
|
||||
# r'\usepackage{fontspec}',
|
||||
# r'\setmainfont{Libertine}',
|
||||
]
|
||||
params = {
|
||||
'font.family': 'serif',
|
||||
'text.usetex': True,
|
||||
'text.latex.unicode': True,
|
||||
'pgf.rcfonts': False,
|
||||
'pgf.texsystem': 'pdflatex',
|
||||
'pgf.preamble': preamble,
|
||||
}
|
||||
import matplotlib
|
||||
matplotlib.rcParams.update(params)
|
||||
global _report_quality
|
||||
_report_quality = report_quality
|
||||
|
||||
|
||||
def init_backend(report_quality=False):
|
||||
global _init
|
||||
if not _init:
|
||||
import matplotlib
|
||||
matplotlib.use('Qt5Agg', warn=False, force=True)
|
||||
init_matplotlib(report_quality)
|
||||
_init = True
|
||||
import matplotlib.pyplot as plt
|
||||
plt.ion()
|
||||
|
||||
|
||||
def getReportQuality():
|
||||
global _report_quality
|
||||
return _report_quality
|
@ -1,210 +0,0 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
"""!
|
||||
Author: J.A. de Jong - ASCEE
|
||||
|
||||
Description:
|
||||
"""
|
||||
__all__ = ['Figure', 'Bode', 'PS', 'PSD']
|
||||
|
||||
from .config import getReportQuality
|
||||
import matplotlib.pyplot as plt
|
||||
import numpy as np
|
||||
from cycler import cycler
|
||||
from lasp.lasp_common import (PLOT_COLORS_LIST, PLOT_NOCOLORS_LIST,
|
||||
DEFAULT_FIGSIZE_H, DEFAULT_FIGSIZE_W)
|
||||
|
||||
|
||||
class Figure:
|
||||
def __init__(self, **kwargs):
|
||||
ncols = kwargs.pop('ncols', 1)
|
||||
nrows = kwargs.pop('nrows', 1)
|
||||
color = kwargs.pop('color', (PLOT_NOCOLORS_LIST if getReportQuality()
|
||||
else PLOT_COLORS_LIST))
|
||||
if isinstance(color, bool):
|
||||
if color:
|
||||
color = PLOT_COLORS_LIST
|
||||
else:
|
||||
color = PLOT_NOCOLORS_LIST
|
||||
colors = cycler('color', color)
|
||||
|
||||
figsize = kwargs.pop('figsize', (DEFAULT_FIGSIZE_W, DEFAULT_FIGSIZE_H))
|
||||
self._f = plt.figure(figsize=figsize)
|
||||
|
||||
marker = kwargs.pop('marker', False)
|
||||
if marker:
|
||||
markers = cycler(marker=['o', 's', 'D', 'X', 'v', '^', '<', '>'])
|
||||
else:
|
||||
markers = cycler(marker=[None]*8)
|
||||
|
||||
linewidths = cycler(linewidth=[1, 2, 1, 2, 2, 3, 2, 1])
|
||||
|
||||
linestyles = cycler(
|
||||
linestyle=['-', '-', '--', ':', '-', '--', ':', '-.', ])
|
||||
|
||||
self._ax = []
|
||||
self._legend = {}
|
||||
for row in range(nrows):
|
||||
self._legend[row] = {}
|
||||
for col in range(ncols):
|
||||
self._legend[row][col] = []
|
||||
ax = self._f.add_subplot(100*nrows
|
||||
+ 10*ncols
|
||||
+ (row*ncols + col)+1)
|
||||
ax.set_prop_cycle(
|
||||
colors+linestyles+markers+linewidths)
|
||||
self._ax.append(ax)
|
||||
self._ncols = ncols
|
||||
self._cur_ax = self._ax[0]
|
||||
self._cur_col = 0
|
||||
self._cur_row = 0
|
||||
|
||||
self._zorder = -1
|
||||
|
||||
def setAx(self, row, col):
|
||||
self._cur_ax = self._ax[row*self._ncols+col]
|
||||
|
||||
@property
|
||||
def fig(self):
|
||||
return self._f
|
||||
|
||||
def markup(self):
|
||||
for ax in self._ax:
|
||||
ax.grid(True, 'both')
|
||||
self._zorder -= 1
|
||||
self.fig.show()
|
||||
|
||||
def vline(self, x):
|
||||
self._ax[0].axvline(x)
|
||||
|
||||
def plot(self, *args, **kwargs):
|
||||
line = self._cur_ax.plot(*args, **kwargs, zorder=self._zorder)
|
||||
self.markup()
|
||||
return line
|
||||
|
||||
def loglog(self, *args, **kwargs):
|
||||
line = self._cur_ax.loglog(*args, **kwargs, zorder=self._zorder)
|
||||
self.markup()
|
||||
return line
|
||||
|
||||
def semilogx(self, *args, **kwargs):
|
||||
line = self._cur_ax.semilogx(*args, **kwargs, zorder=self._zorder)
|
||||
self.markup()
|
||||
return line
|
||||
|
||||
def xlabel(self, *args, **kwargs):
|
||||
all_ax = kwargs.pop('all_ax', False)
|
||||
if all_ax:
|
||||
for ax in self._ax:
|
||||
ax.set_xlabel(*args, **kwargs)
|
||||
else:
|
||||
self._cur_ax.set_xlabel(*args, **kwargs)
|
||||
|
||||
def ylabel(self, *args, **kwargs):
|
||||
all_ax = kwargs.pop('all_ax', False)
|
||||
if all_ax:
|
||||
for ax in self._ax:
|
||||
ax.set_ylabel(*args, **kwargs)
|
||||
else:
|
||||
self._cur_ax.set_ylabel(*args, **kwargs)
|
||||
|
||||
def legend(self, leg, *args, **kwargs):
|
||||
# all_ax = kwargs.pop('all_ax', False)
|
||||
if isinstance(leg, list) or isinstance(leg, tuple):
|
||||
self._legend[self._cur_col][self._cur_col] = list(leg)
|
||||
else:
|
||||
self._legend[self._cur_col][self._cur_col].append(leg)
|
||||
self._cur_ax.legend(self._legend[self._cur_col][self._cur_col])
|
||||
|
||||
def savefig(self, *args, **kwargs):
|
||||
self.fig.savefig(*args, **kwargs)
|
||||
|
||||
def xlim(self, *args, **kwargs):
|
||||
all_ax = kwargs.pop('all_ax', False)
|
||||
if all_ax:
|
||||
for ax in self._ax:
|
||||
ax.set_xlim(*args, **kwargs)
|
||||
else:
|
||||
self._cur_ax.set_xlim(*args, **kwargs)
|
||||
|
||||
def ylim(self, *args, **kwargs):
|
||||
all_ax = kwargs.pop('all_ax', False)
|
||||
if all_ax:
|
||||
for ax in self._ax:
|
||||
ax.set_ylim(*args, **kwargs)
|
||||
else:
|
||||
self._cur_ax.set_ylim(*args, **kwargs)
|
||||
|
||||
def title(self, *args, **kwargs):
|
||||
self._cur_ax.set_title(*args, **kwargs)
|
||||
|
||||
def xticks(self, ticks):
|
||||
for ax in self._ax:
|
||||
ax.set_xticks(ticks)
|
||||
|
||||
def close(self):
|
||||
plt.close(self._f)
|
||||
|
||||
def xscale(self, scale):
|
||||
for ax in self._ax:
|
||||
ax.set_xscale(scale)
|
||||
|
||||
|
||||
class Bode(Figure):
|
||||
def __init__(self, *args, **kwargs):
|
||||
super().__init__(naxes=2, *args, **kwargs)
|
||||
|
||||
def add(self, freq, phasor, qtyname='G', **kwargs):
|
||||
L = 20*np.log10(np.abs(phasor))
|
||||
phase = np.angle(phasor)*180/np.pi
|
||||
self.semilogx(freq, L, axno=0, **kwargs)
|
||||
self.semilogx(freq, phase, axno=1, **kwargs)
|
||||
self.ylabel('$L$ [%s] [dB]' % qtyname, axno=0)
|
||||
self.ylabel(fr'$\angle$ {qtyname} [$^\circ$]', axno=1)
|
||||
self.xlabel('Frequency [Hz]', axno=1)
|
||||
|
||||
|
||||
class PS(Figure):
|
||||
def __init__(self, ref, *args, **kwargs):
|
||||
super().__init__(naxes=1, *args, **kwargs)
|
||||
self.ref = ref
|
||||
|
||||
def add(self, fs, freq, ps, qtyname='C', **kwargs):
|
||||
|
||||
overall = np.sum(ps)
|
||||
print(overall)
|
||||
overall_db = 10*np.log10(overall/self.ref**2)
|
||||
L = 10*np.log10(np.abs(ps)/self.ref**2)
|
||||
|
||||
self.semilogx(freq, L, **kwargs)
|
||||
# self.plot(freq,L,**kwargs)
|
||||
self.ylabel('Level [dB re 20$\\mu$Pa]')
|
||||
self.xlabel('Frequency [Hz]')
|
||||
self.legend('%s. Overall SPL = %0.1f dB SPL' % (qtyname, overall_db))
|
||||
|
||||
|
||||
class PSD(PS):
|
||||
def __init__(self, ref, *args, **kwargs):
|
||||
"""
|
||||
Initialize a PSD plot
|
||||
|
||||
Args:
|
||||
ref: Reference value for level in dB's
|
||||
|
||||
"""
|
||||
super().__init__(ref, *args, **kwargs)
|
||||
|
||||
def add(self, fs, freq, ps, qtyname='C', **kwargs):
|
||||
df = freq[1]-freq[0]
|
||||
nfft = fs/df
|
||||
df = fs/nfft
|
||||
psd = ps / df
|
||||
|
||||
overall = np.sum(np.abs(ps), axis=0)
|
||||
overall_db = 10*np.log10(overall/self.ref**2)
|
||||
L = 10*np.log10(abs(psd)/self.ref**2)
|
||||
|
||||
self.semilogx(freq, L, **kwargs)
|
||||
self.ylabel('$L$ [%s] [dB re %0.0e]' % (qtyname, self.ref))
|
||||
self.xlabel('Frequency [Hz]')
|
||||
self.legend('%s. Overall SPL = %0.1f dB SPL' % (qtyname, overall_db))
|
@ -1,198 +0,0 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
Author: J.A. de Jong - ASCEE
|
||||
|
||||
Description: backend tools for easy postprocessing of measurements
|
||||
"""
|
||||
from .plot import Figure
|
||||
from lasp.wrappers import AvPowerSpectra
|
||||
from lasp.lasp_measurement import Measurement
|
||||
from lasp.lasp_common import (FreqWeighting, TimeWeighting,
|
||||
getFreq, getTime, Window, P_REF)
|
||||
from lasp.lasp_weighcal import WeighCal
|
||||
from lasp.lasp_octavefilter import OctaveFilterBank, ThirdOctaveFilterBank
|
||||
from lasp.lasp_figuredialog import FigureDialog
|
||||
from lasp.lasp_figure import Plotable, PlotOptions
|
||||
from lasp.lasp_slm import SLM
|
||||
import numpy as np
|
||||
import sys
|
||||
|
||||
|
||||
def close():
|
||||
import matplotlib.pyplot as plt
|
||||
plt.close('all')
|
||||
|
||||
|
||||
def PSPlot(fn_list, **kwargs):
|
||||
"""
|
||||
Create a power spectral density plot, ASCEE style
|
||||
|
||||
Args:
|
||||
fn_list: list of measurement filenames to plot PSD for
|
||||
fw:
|
||||
fs:
|
||||
nfft:
|
||||
xscale:
|
||||
yscale:
|
||||
"""
|
||||
|
||||
fw = kwargs.pop('fw', FreqWeighting.A)
|
||||
nfft = kwargs.pop('nfft', 2048)
|
||||
xscale = kwargs.pop('xscale', 'log')
|
||||
yscale = kwargs.pop('yscale', 'PSD')
|
||||
ylim = kwargs.pop('ylim', (0, 100))
|
||||
xlim = kwargs.pop('xlim', (100, 10000))
|
||||
f = Figure(**kwargs)
|
||||
|
||||
print(kwargs)
|
||||
if xscale == 'log':
|
||||
pltfun = f.semilogx
|
||||
else:
|
||||
pltfun = f.plot
|
||||
|
||||
for fn in fn_list:
|
||||
meas = Measurement(fn)
|
||||
fs = meas.samplerate
|
||||
data = meas.praw()
|
||||
aps = AvPowerSpectra(nfft, 1, 50.)
|
||||
weighcal = WeighCal(fw, nchannels=1,
|
||||
fs=fs)
|
||||
weighted = weighcal.filter_(data)
|
||||
ps = aps.addTimeData(weighted)
|
||||
freq = getFreq(fs, nfft)
|
||||
if yscale == 'PSD':
|
||||
df = fs/nfft
|
||||
type_str = '/$\\sqrt{\\mathrm{Hz}}$'
|
||||
elif yscale == 'PS':
|
||||
df = 1.
|
||||
type_str = ''
|
||||
else:
|
||||
raise ValueError("'type' should be either 'PS' or 'PSD'")
|
||||
|
||||
psd_log = 10*np.log10(ps[:, 0, 0].real/df/2e-5**2)
|
||||
|
||||
pltfun(freq, psd_log)
|
||||
|
||||
f.xlabel('Frequency [Hz]')
|
||||
f.ylabel(f'Level [dB({fw[0]}) re (20$\\mu$ Pa){type_str}')
|
||||
f.ylim(ylim)
|
||||
f.xlim(xlim)
|
||||
return f
|
||||
|
||||
|
||||
def PowerSpectra(fn_list, **kwargs):
|
||||
nfft = kwargs.pop('nfft', 2048)
|
||||
window = kwargs.pop('window', Window.hann)
|
||||
fw = kwargs.pop('fw', FreqWeighting.A)
|
||||
overlap = kwargs.pop('overlap', 50.)
|
||||
ptas = []
|
||||
for fn in fn_list:
|
||||
meas = Measurement(fn)
|
||||
fs = meas.samplerate
|
||||
weighcal = WeighCal(fw, nchannels=1,
|
||||
fs=fs, calfile=None)
|
||||
praw = meas.praw()
|
||||
weighted = weighcal.filter_(praw)
|
||||
aps = AvPowerSpectra(nfft, 1, overlap, window[0])
|
||||
result = aps.addTimeData(weighted)[:, 0, 0].real
|
||||
pwr = 10*np.log10(result/P_REF**2)
|
||||
|
||||
freq = getFreq(fs, nfft)
|
||||
ptas.append(Plotable(freq, pwr))
|
||||
|
||||
pto = PlotOptions.forPower()
|
||||
pto.ylabel = f'L{fw[0]} [dB({fw[0]})]'
|
||||
return ptas
|
||||
|
||||
|
||||
def Levels(fn_list, **kwargs):
|
||||
|
||||
bank = kwargs.pop('bank', 'third')
|
||||
fw = kwargs.pop('fw', FreqWeighting.A)
|
||||
tw = kwargs.pop('tw', TimeWeighting.fast)
|
||||
xmin_txt = kwargs.pop('xmin', '100')
|
||||
xmax_txt = kwargs.pop('xmax', '16k')
|
||||
|
||||
levels = []
|
||||
leveltype = 'eq'
|
||||
|
||||
for fn in fn_list:
|
||||
meas = Measurement(fn)
|
||||
fs = meas.samplerate
|
||||
weighcal = WeighCal(fw, nchannels=1,
|
||||
fs=fs, calfile=None)
|
||||
praw = meas.praw()
|
||||
weighted = weighcal.filter_(praw)
|
||||
if bank == 'third':
|
||||
filt = ThirdOctaveFilterBank(fs)
|
||||
xmin = filt.nominal_txt_tox(xmin_txt)
|
||||
xmax = filt.nominal_txt_tox(xmax_txt)
|
||||
|
||||
elif bank == 'overall':
|
||||
slm = SLM(meas.samplerate, tw)
|
||||
slm.addData(weighted)
|
||||
levels.append(
|
||||
Plotable(' ', slm.Lmax if leveltype == 'max' else slm.Leq,
|
||||
name=meas.name))
|
||||
continue
|
||||
else:
|
||||
raise NotImplementedError()
|
||||
|
||||
# Octave bands
|
||||
# filt = OctaveFilterBank(fs)
|
||||
filtered_out = filt.filter_(weighted)
|
||||
level = np.empty((xmax - xmin + 1))
|
||||
xlabels = []
|
||||
for i, x in enumerate(range(xmin, xmax+1)):
|
||||
nom = filt.nominal_txt(x)
|
||||
xlabels.append(nom)
|
||||
filt_x = filtered_out[nom]['data']
|
||||
slm = SLM(filt.fs, tw)
|
||||
slm.addData(filt_x)
|
||||
leveli = slm.Lmax if leveltype == 'max' else slm.Leq
|
||||
level[i] = leveli
|
||||
levels.append(Plotable(xlabels, level, name=meas.name))
|
||||
return levels
|
||||
|
||||
|
||||
def LevelDifference(levels):
|
||||
assert len(levels) == 2
|
||||
return Plotable(name='Difference', x=levels[0].x,
|
||||
y=levels[1].y-levels[0].y)
|
||||
|
||||
|
||||
def LevelFigure(levels, show=True, **kwargs):
|
||||
figtype = kwargs.pop('figtype', 'bar')
|
||||
from PySide.QtGui import QApplication, QFont
|
||||
app = QApplication.instance()
|
||||
if not app:
|
||||
app = QApplication(sys.argv)
|
||||
app.setFont(QFont('Linux Libertine'))
|
||||
size = kwargs.pop('size', (1200, 600))
|
||||
if figtype == 'bar':
|
||||
opts = PlotOptions.forLevelBars()
|
||||
elif figtype == 'line':
|
||||
opts = PlotOptions.forPower()
|
||||
else:
|
||||
raise RuntimeError('figtype should be either line or bar')
|
||||
opts.ylim = kwargs.pop('ylim', (0, 100))
|
||||
opts.ylabel = kwargs.pop('ylabel', 'LAeq [dB(A)]')
|
||||
opts.xlabel = kwargs.pop('xlabel', None)
|
||||
opts.legend = kwargs.pop('legend', [level.name for level in levels])
|
||||
opts.legendpos = kwargs.pop('legendpos', None)
|
||||
opts.title = kwargs.pop('title', None)
|
||||
|
||||
def Plotter(ptas, pto):
|
||||
fig = FigureDialog(None, None, pto, figtype)
|
||||
for pta in ptas:
|
||||
fig.fig.add(pta)
|
||||
return fig
|
||||
|
||||
fig = Plotter(levels, opts)
|
||||
if show:
|
||||
fig.show()
|
||||
fig.resize(*size)
|
||||
if show:
|
||||
app.exec_()
|
||||
return fig
|
@ -1,24 +1,58 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
Created on Thu May 6 14:49:03 2021
|
||||
Author: C. Jansen, J.A. de Jong - ASCEE V.O.F.
|
||||
|
||||
@author: Casper
|
||||
|
||||
Smooth data in the frequency domain
|
||||
Smooth data in the frequency domain. TODO: This function is rather slow as it
|
||||
used Python for loops. The implementations should be speed up in the near
|
||||
future.
|
||||
"""
|
||||
from enum import Enum, unique
|
||||
|
||||
__all__ = ['SmoothingType', 'smoothSpectralData', 'SmoothingWidth']
|
||||
|
||||
|
||||
@unique
|
||||
class SmoothingWidth(Enum):
|
||||
none = (0, 'No smoothing')
|
||||
# three = (3, '1/3th octave smoothing')
|
||||
six = (6, '1/6th octave smoothing')
|
||||
twelve = (12, '1/12th octave smoothing')
|
||||
twfo = (24, '1/24th octave smoothing')
|
||||
ftei = (48, '1/48th octave smoothing')
|
||||
|
||||
@staticmethod
|
||||
def fillComboBox(cb):
|
||||
"""
|
||||
Fill Windows to a combobox
|
||||
|
||||
Args:
|
||||
cb: QComboBox to fill
|
||||
"""
|
||||
cb.clear()
|
||||
for w in list(SmoothingWidth):
|
||||
cb.addItem(w.value[1], w)
|
||||
cb.setCurrentIndex(0)
|
||||
|
||||
@staticmethod
|
||||
def getCurrent(cb):
|
||||
return list(SmoothingWidth)[cb.currentIndex()]
|
||||
|
||||
class SmoothingType:
|
||||
levels = 'l', 'Levels'
|
||||
# tf = 'tf', 'Transfer function',
|
||||
ps = 'ps', '(Auto) powers'
|
||||
|
||||
|
||||
# TO DO: check if everything is correct
|
||||
# TO DO: add possibility to insert data that is not lin spaced in frequency
|
||||
|
||||
|
||||
import matplotlib.pyplot as plt
|
||||
import numpy as np
|
||||
from scipy.signal.windows import gaussian
|
||||
|
||||
|
||||
# %% Smoothing function
|
||||
def oct_smooth(f, M, Noct, dB=False):
|
||||
def smoothSpectralData(freq, M, sw: SmoothingWidth,
|
||||
st: SmoothingType = SmoothingType.levels):
|
||||
"""
|
||||
Apply fractional octave smoothing to magnitude data in frequency domain.
|
||||
Smoothing is performed to power, using a sliding Gaussian window with
|
||||
@ -30,49 +64,58 @@ def oct_smooth(f, M, Noct, dB=False):
|
||||
side. The deviation is largest when Noct is small (e.g. coarse smoothing).
|
||||
Casper Jansen, 07-05-2021
|
||||
|
||||
Parameters
|
||||
----------
|
||||
f : float
|
||||
frequencies of data points [Hz] - equally spaced
|
||||
M : float
|
||||
magnitude of data points [- or dB, specify in paramater 'dB']
|
||||
Noct : int
|
||||
smoothing strength: Noct=12 means 1/12 octave smoothing
|
||||
dB : Bool
|
||||
True if [M]=dB, False if [M]=absolute
|
||||
Args:
|
||||
freq: array of frequencies of data points [Hz] - equally spaced
|
||||
M: array of either power, transfer functin or dB points. Depending on
|
||||
the smoothing type `st`, the smoothing is applied.
|
||||
|
||||
Returns
|
||||
-------
|
||||
f : float
|
||||
frequencies of data points [Hz]
|
||||
Msm : float
|
||||
smoothed magnitude of data points
|
||||
Returns:
|
||||
freq : array frequencies of data points [Hz]
|
||||
Msm : float smoothed magnitude of data points
|
||||
|
||||
"""
|
||||
# TODO: Make this function multi-dimensional array aware.
|
||||
|
||||
# Settings
|
||||
tr = 2 # truncate window after 2x std
|
||||
|
||||
# Safety
|
||||
assert Noct > 0, '\'Noct\' must be absolute positive'
|
||||
Noct = sw.value[0]
|
||||
assert Noct > 0, "'Noct' must be absolute positive"
|
||||
if Noct < 1: raise Warning('Check if \'Noct\' is entered correctly')
|
||||
assert len(f)==len(M), 'f and M should have equal length'
|
||||
if not dB: assert np.min(M) >= 0, 'absolute magnitude M cannot be negative'
|
||||
assert len(freq)==len(M), 'f and M should have equal length'
|
||||
|
||||
if st == SmoothingType.ps:
|
||||
assert np.min(M) >= 0, 'absolute magnitude M cannot be negative'
|
||||
if st == SmoothingType.levels and isinstance(M.dtype, complex):
|
||||
raise RuntimeError('Decibel input should be real-valued')
|
||||
|
||||
# Initialize
|
||||
L = len(M) # number of data points
|
||||
P = 10**(M/10) if dB else M**2 # convert magnitude --> power
|
||||
Psm = np.zeros(L) # smoothed power - to be calculated
|
||||
x0 = 1 if f[0]==0 else 0 # skip first data point if zero frequency
|
||||
df = f[1] - f[0] # frequency step
|
||||
L = M.shape[0] # number of data points
|
||||
|
||||
P = M
|
||||
if st == SmoothingType.levels:
|
||||
P = 10**(P/10)
|
||||
# TODO: This does not work due to complex numbers. Should be split up in
|
||||
# magnitude and phase.
|
||||
# elif st == SmoothingType.tf:
|
||||
# P = P**2
|
||||
|
||||
Psm = np.zeros_like(P) # smoothed power - to be calculated
|
||||
x0 = 1 if freq[0]==0 else 0 # skip first data point if zero frequency
|
||||
df = freq[1] - freq[0] # frequency step
|
||||
|
||||
# Loop through data points
|
||||
for x in range(x0, L):
|
||||
# Find indices of data points to calculate current (smoothed) magnitude
|
||||
fc = f[x] # center freq. of smoothing window
|
||||
fc = freq[x] # center freq. of smoothing window
|
||||
Df = tr * fc / Noct # freq. range of smoothing window
|
||||
xl = int(np.ceil(x - 0.5*Df/df)) # desired lower index of frequency array to be used during smoothing
|
||||
xu = int(np.floor(x + 0.5*Df/df)) + 1 # upper index + 1 (because half-open interval)
|
||||
|
||||
# desired lower index of frequency array to be used during smoothing
|
||||
xl = int(np.ceil(x - 0.5*Df/df))
|
||||
|
||||
# upper index + 1 (because half-open interval)
|
||||
xu = int(np.floor(x + 0.5*Df/df)) + 1
|
||||
|
||||
# Create window
|
||||
Np = xu - xl # number of points
|
||||
@ -110,13 +153,15 @@ def oct_smooth(f, M, Noct, dB=False):
|
||||
wind_int = np.sum(wind) # integral
|
||||
Psm[x] = np.dot(wind, P[xl:xu]) / wind_int # apply window
|
||||
|
||||
Msm = 10*np.log10(Psm) if dB else Psm**0.5 # convert power --> magnitude
|
||||
if st == SmoothingType.levels:
|
||||
Psm = 10*np.log10(Psm)
|
||||
|
||||
return Msm
|
||||
return Psm
|
||||
|
||||
|
||||
# %% Test
|
||||
if __name__ == "__main__":
|
||||
import matplotlib.pyplot as plt
|
||||
# Initialize
|
||||
Noct = 6 # 1/6 oct. smoothing
|
||||
|
||||
|
@ -76,7 +76,6 @@ __all__ = ['AvPowerSpectra', 'SosFilterBank', 'FilterBank', 'Siggen',
|
||||
'sweep_flag_exponential',
|
||||
'load_fft_wisdom', 'store_fft_wisdom']
|
||||
|
||||
|
||||
setTracerLevel(15)
|
||||
|
||||
cdef extern from "cblas.h":
|
||||
@ -635,6 +634,7 @@ cdef extern from "lasp_siggen.h":
|
||||
c_Siggen* Siggen_Sweep_create(d fs, d fl,
|
||||
d fu, d Ts,d Tq, us sweep_flags,
|
||||
d level_dB)
|
||||
void Siggen_setLevel(c_Siggen*,d new_level_dB)
|
||||
us Siggen_getN(const c_Siggen*)
|
||||
void Siggen_genSignal(c_Siggen*, vd* samples) nogil
|
||||
void Siggen_free(c_Siggen*)
|
||||
@ -659,6 +659,9 @@ cdef class Siggen:
|
||||
if self._siggen:
|
||||
Siggen_free(self._siggen)
|
||||
|
||||
def setLevel(self,d level_dB):
|
||||
Siggen_setLevel(self._siggen, level_dB)
|
||||
|
||||
def genSignal(self, us nsamples):
|
||||
output = np.empty(nsamples, dtype=np.float)
|
||||
assert self._siggen != NULL
|
||||
|
@ -1,10 +1,7 @@
|
||||
#!/usr/bin/python3
|
||||
import argparse
|
||||
import sys
|
||||
|
||||
|
||||
#!/usr/bin/python3.8
|
||||
import sys, logging, os, argparse
|
||||
parser = argparse.ArgumentParser(
|
||||
description='Acquire data and store a measurement file'
|
||||
description='Acquire data and store to a measurement file.'
|
||||
)
|
||||
parser.add_argument('filename', type=str,
|
||||
help='File name to record to.'
|
||||
@ -15,63 +12,57 @@ parser.add_argument('--duration', '-d', type=float,
|
||||
device_help = 'DAQ Device to record from'
|
||||
parser.add_argument('--input-daq', '-i', help=device_help, type=str,
|
||||
default='Default')
|
||||
parser.add_argument('--log', '-l',
|
||||
help='Specify log level [info, debug, warning, ...]',
|
||||
type=str, default='info')
|
||||
|
||||
|
||||
args = parser.parse_args()
|
||||
numeric_level = getattr(logging, args.log.upper(), None)
|
||||
if not isinstance(numeric_level, int):
|
||||
raise ValueError('Invalid log level: %s' % args.loglevel)
|
||||
|
||||
FORMAT = "[%(filename)s:%(lineno)s - %(funcName)20s() ] %(message)s"
|
||||
logging.basicConfig(format=FORMAT, level=numeric_level)
|
||||
|
||||
from lasp.lasp_avstream import AvStream, AvType
|
||||
from lasp.lasp_record import Recording
|
||||
from lasp.device import DaqConfiguration, Daq, DaqChannel
|
||||
import multiprocessing
|
||||
from lasp.device import DaqConfigurations
|
||||
from lasp import AvType, StreamManager, Recording# configureLogging
|
||||
|
||||
configs = DaqConfiguration.loadConfigs()
|
||||
def main(args):
|
||||
try:
|
||||
streammgr = StreamManager()
|
||||
configs = DaqConfigurations.loadAllConfigs()
|
||||
|
||||
for i, (key, val) in enumerate(configs.items()):
|
||||
config_keys = [key for key in configs.keys()]
|
||||
for i, key in enumerate(config_keys):
|
||||
print(f'{i:2} : {key}')
|
||||
|
||||
daqindex = input('Please enter required config: ')
|
||||
try:
|
||||
daqindex = int(daqindex)
|
||||
except:
|
||||
choosen_index = input('Number of configuration to use: ')
|
||||
try:
|
||||
daqindex = int(choosen_index)
|
||||
except:
|
||||
print('Invalid configuration number. Exiting.')
|
||||
sys.exit(0)
|
||||
|
||||
for i, (key, val) in enumerate(configs.items()):
|
||||
if i == daqindex:
|
||||
config = configs[key]
|
||||
choosen_key = config_keys[daqindex]
|
||||
config = configs[choosen_key].input_config
|
||||
|
||||
print(f'Choosen configuration: {choosen_key}')
|
||||
|
||||
config = configs[key]
|
||||
streammgr.startStream(AvType.audio_input, config, wait=True)
|
||||
rec = Recording(args.filename, streammgr, args.duration)
|
||||
|
||||
|
||||
|
||||
print(config)
|
||||
# daq = RtAudio()
|
||||
devices = Daq.getDeviceInfo()
|
||||
|
||||
input_devices = {}
|
||||
for device in devices:
|
||||
if device.inputchannels >= 0:
|
||||
input_devices[device.name] = device
|
||||
|
||||
try:
|
||||
input_device = input_devices[config.input_device_name]
|
||||
except KeyError:
|
||||
raise RuntimeError(f'Input device {config.input_device_name} not available')
|
||||
|
||||
print(input_device)
|
||||
|
||||
stream = AvStream(input_device,
|
||||
AvType.audio_input,
|
||||
config)
|
||||
|
||||
|
||||
rec = Recording(args.filename, stream, args.duration)
|
||||
stream.start()
|
||||
with rec:
|
||||
streammgr.stopStream(AvType.audio_output)
|
||||
finally:
|
||||
try:
|
||||
streammgr.cleanup()
|
||||
del stream
|
||||
except NameError:
|
||||
pass
|
||||
|
||||
print('Stopping stream...')
|
||||
stream.stop()
|
||||
if __name__ == '__main__':
|
||||
|
||||
print('Stream stopped')
|
||||
print('Closing stream...')
|
||||
print('Stream closed')
|
||||
multiprocessing.set_start_method('forkserver', force=True)
|
||||
|
||||
main(args)
|
||||
|
@ -1,65 +0,0 @@
|
||||
#!/usr/bin/python3
|
||||
import argparse
|
||||
import numpy as np
|
||||
|
||||
|
||||
parser = argparse.ArgumentParser(
|
||||
description='Play a sine wave'
|
||||
)
|
||||
device_help = 'DAQ Device to play to'
|
||||
parser.add_argument('--device', '-d', help=device_help, type=str,
|
||||
default='Default')
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
from lasp.lasp_avstream import AvStream, AvType
|
||||
from lasp.device import DAQConfiguration, RtAudio
|
||||
|
||||
config = DAQConfiguration.loadConfigs()[args.device]
|
||||
|
||||
rtaudio = RtAudio()
|
||||
devices = rtaudio.getDeviceInfo()
|
||||
|
||||
output_devices = {}
|
||||
for device in devices:
|
||||
if device.outputchannels >= 0:
|
||||
output_devices[device.name] = device
|
||||
|
||||
try:
|
||||
output_device = output_devices[config.output_device_name]
|
||||
except KeyError:
|
||||
raise RuntimeError(f'output device {config.output_device_name} not available')
|
||||
|
||||
samplerate = int(config.en_output_rate)
|
||||
stream = AvStream(output_device,
|
||||
AvType.audio_output,
|
||||
config)
|
||||
|
||||
# freq = 440.
|
||||
freq = 1000.
|
||||
omg = 2*np.pi*freq
|
||||
|
||||
|
||||
def mycallback(indata, outdata, blockctr):
|
||||
frames = outdata.shape[0]
|
||||
nchannels = outdata.shape[1]
|
||||
# nchannels = 1
|
||||
streamtime = blockctr*frames/samplerate
|
||||
t = np.linspace(streamtime, streamtime + frames/samplerate,
|
||||
frames)[np.newaxis, :]
|
||||
outp = 0.01*np.sin(omg*t)
|
||||
for i in range(nchannels):
|
||||
outdata[:,i] = ((2**16-1)*outp).astype(np.int16)
|
||||
|
||||
stream.addCallback(mycallback, AvType.audio_output)
|
||||
stream.start()
|
||||
|
||||
input()
|
||||
|
||||
print('Stopping stream...')
|
||||
stream.stop()
|
||||
|
||||
print('Stream stopped')
|
||||
print('Closing stream...')
|
||||
stream.close()
|
||||
print('Stream closed')
|
78
scripts/play_sine
Executable file
78
scripts/play_sine
Executable file
@ -0,0 +1,78 @@
|
||||
#!/usr/bin/python3
|
||||
import numpy as np
|
||||
import sys, logging, os, argparse
|
||||
|
||||
parser = argparse.ArgumentParser(
|
||||
description='Play a sine wave'
|
||||
)
|
||||
|
||||
parser.add_argument('--freq', '-f', help='Sine frequency [Hz]', type=float,
|
||||
default=1000.)
|
||||
|
||||
parser.add_argument('--log', '-l',
|
||||
help='Specify log level [info, debug, warning, ...]',
|
||||
type=str, default='info')
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
numeric_level = getattr(logging, args.log.upper(), None)
|
||||
if not isinstance(numeric_level, int):
|
||||
raise ValueError('Invalid log level: %s' % args.loglevel)
|
||||
|
||||
FORMAT = "[%(levelname)s %(filename)s:%(lineno)s - %(funcName)20s() ] %(message)s"
|
||||
logging.basicConfig(format=FORMAT, level=numeric_level)
|
||||
|
||||
import multiprocessing
|
||||
from lasp import (StreamManager, AvType, Siggen, SignalType, SiggenData)
|
||||
from lasp.device import DaqConfigurations
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
multiprocessing.set_start_method('forkserver', force=True)
|
||||
logging.info(f'Playing frequency {args.freq} [Hz]')
|
||||
|
||||
configs = DaqConfigurations.loadAllConfigs()
|
||||
|
||||
config_keys = [key for key in configs.keys()]
|
||||
for i, key in enumerate(config_keys):
|
||||
print(f'{i:2} : {key}')
|
||||
|
||||
choosen_index = input('Number of configuration to use: ')
|
||||
try:
|
||||
daqindex = int(choosen_index)
|
||||
except:
|
||||
print('Invalid configuration number. Exiting.')
|
||||
sys.exit(0)
|
||||
|
||||
|
||||
choosen_key = config_keys[daqindex]
|
||||
daqconfig = configs[choosen_key].output_config
|
||||
|
||||
print(f'Choosen configuration: {choosen_key}')
|
||||
|
||||
try:
|
||||
streammgr = StreamManager()
|
||||
outq = streammgr.getOutputQueue()
|
||||
|
||||
siggendata = SiggenData(
|
||||
fs=48e3,
|
||||
nframes_per_block=1024,
|
||||
dtype=np.dtype(np.int16),
|
||||
eqdata=None,
|
||||
level_dB=-20,
|
||||
signaltype=SignalType.Periodic,
|
||||
signaltypedata=(args.freq,)
|
||||
)
|
||||
siggen = Siggen(outq, siggendata)
|
||||
|
||||
streammgr.activateSiggen()
|
||||
|
||||
streammgr.startStream(AvType.audio_output, daqconfig)
|
||||
|
||||
input('Press any key to stop...')
|
||||
streammgr.stopStream(AvType.audio_output)
|
||||
finally:
|
||||
siggen.cleanup()
|
||||
streammgr.cleanup()
|
||||
|
||||
|
24
setup.py
24
setup.py
@ -1,24 +1,10 @@
|
||||
#!/usr/bin/env python3
|
||||
#!/usr/bin/env python3.8
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
@author: J.A. de Jong - ASCEE
|
||||
"""
|
||||
from setuptools import setup, find_packages
|
||||
|
||||
|
||||
# class CMakeExtension(Extension):
|
||||
# """
|
||||
# An extension to run the cmake build
|
||||
#
|
||||
# This simply overrides the base extension class so that setuptools
|
||||
# doesn't try to build your sources for you
|
||||
# """
|
||||
#
|
||||
# def __init__(self, name, sources=[]):
|
||||
#
|
||||
# super().__init__(name=name, sources=sources)
|
||||
|
||||
|
||||
setup(
|
||||
name="LASP",
|
||||
version="1.0",
|
||||
@ -27,16 +13,16 @@ setup(
|
||||
long_description_content_type="text/markdown",
|
||||
# ext_modules=[CMakeExtension('lasp/wrappers.so'),
|
||||
# ],
|
||||
package_data={'lasp': ['wrappers.so']},
|
||||
#package_data={'lasp': ['wrappers.so']},
|
||||
author='J.A. de Jong - ASCEE',
|
||||
author_email="j.a.dejong@ascee.nl",
|
||||
install_requires=['matplotlib>=1.0',
|
||||
'scipy>=1.0', 'numpy>=1.0', 'h5py',
|
||||
'dataclasses_json',
|
||||
'scipy>=1.0', 'numpy>=1.0', 'h5py==3.2.0',
|
||||
'dataclasses_json', 'cython',
|
||||
],
|
||||
license='MIT',
|
||||
description="Library for Acoustic Signal Processing",
|
||||
keywords="",
|
||||
url="https://www.ascee.nl/lasp/", # project home page, if any
|
||||
url="https://www.ascee.nl/lasp/", # project home page
|
||||
|
||||
)
|
||||
|
@ -11,5 +11,7 @@ target_link_libraries(test_fft lasp_lib)
|
||||
target_link_libraries(test_workers lasp_lib)
|
||||
target_link_libraries(test_math lasp_lib)
|
||||
|
||||
add_executable(test_uldaq test_uldaq.cpp)
|
||||
target_link_libraries(test_uldaq cpp_daq)
|
||||
if(LASP_ULDAQ)
|
||||
add_executable(test_uldaq test_uldaq.cpp)
|
||||
target_link_libraries(test_uldaq cpp_daq)
|
||||
endif(LASP_ULDAQ)
|
||||
|
Loading…
Reference in New Issue
Block a user