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import numpy as np
cimport numpy as np
from libcpp.vector cimport vector
np.import_array()
dtype = np.float64
ctypedef np.double_t dtype_t
cdef extern from "<string>" namespace "std":
cdef cppclass string:
string()
string(char *)
char * c_str()
cdef extern from "../src/simpl/base.h" namespace "simpl":
cdef cppclass c_Peak "simpl::Peak":
c_Peak()
double amplitude
double frequency
double phase
cdef cppclass c_Frame "simpl::Frame":
c_Frame()
c_Frame(int frame_size)
# peaks
int num_peaks()
int max_peaks()
void max_peaks(int new_max_peaks)
void add_peak(c_Peak* peak)
# void add_peaks(Peaks* peaks)
c_Peak* peak(int peak_number)
void clear_peaks()
# Peaks::iterator peaks_begin()
# Peaks::iterator peaks_end()
# partials
# int num_partials()
# int max_partials()
# void max_partials(int new_max_partials)
# void add_partial(Partial partial)
# Partials::iterator partials()
# audio buffers
int size()
void size(int new_size)
void audio(double* new_audio)
double* audio()
void synth(double* new_synth)
double* synth()
void residual(double* new_residual)
double* residual()
void synth_residual(double* new_synth_residual)
double* synth_residual()
cdef cppclass c_PeakDetection "simpl::PeakDetection":
c_PeakDetection()
int sampling_rate()
void sampling_rate(int new_sampling_rate)
int frame_size()
void frame_size(int new_frame_size)
int static_frame_size()
void static_frame_size(int new_static_frame_size)
int next_frame_size()
int hop_size()
void hop_size(int new_hop_size)
int max_peaks()
void max_peaks(int new_max_peaks)
string window_type()
void window_type(string new_window_type)
int window_size()
void window_size(int new_window_size)
double min_peak_separation()
void min_peak_separation(double new_min_peak_separation)
# Frames* frames()
# virtual Peaks* find_peaks_in_frame(const Frame& frame)
# virtual Frames* find_peaks(number* audio)
cdef class Peak:
cdef c_Peak* thisptr
cdef int peak_created
def __cinit__(self, create_new=True):
if create_new:
self.thisptr = new c_Peak()
self.peak_created = True
else:
self.peak_created = False
def __dealloc__(self):
if self.peak_created:
del self.thisptr
cdef set_peak(self, c_Peak* p):
self.thisptr = p
property amplitude:
def __get__(self): return self.thisptr.amplitude
def __set__(self, double x): self.thisptr.amplitude = x
property frequency:
def __get__(self): return self.thisptr.frequency
def __set__(self, double x): self.thisptr.frequency = x
property phase:
def __get__(self): return self.thisptr.phase
def __set__(self, double x): self.thisptr.phase = x
cdef class Frame:
cdef c_Frame* thisptr
def __cinit__(self, size=None):
if size:
self.thisptr = new c_Frame(size)
else:
self.thisptr = new c_Frame()
def __dealloc__(self): del self.thisptr
# peaks
property num_peaks:
def __get__(self): return self.thisptr.num_peaks()
property max_peaks:
def __get__(self): return self.thisptr.max_peaks()
def __set__(self, int i): self.thisptr.max_peaks(i)
def add_peak(self, Peak p not None):
self.thisptr.add_peak(p.thisptr)
def peak(self, int i):
cdef c_Peak* c_p = self.thisptr.peak(i)
p = Peak(False)
p.set_peak(c_p)
return p
property peaks:
def __get__(self):
return [self.peak(i) for i in range(self.thisptr.num_peaks())]
def clear_peaks(self):
self.thisptr.clear_peaks()
# audio buffers
property size:
def __get__(self): return self.thisptr.size()
def __set__(self, int i): self.thisptr.size(i)
property audio:
def __get__(self):
cdef np.npy_intp shape[1]
shape[0] = <np.npy_intp> self.thisptr.size()
return np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, self.thisptr.audio())
def __set__(self, np.ndarray[dtype_t, ndim=1] a):
self.thisptr.audio(<double*> a.data)
property synth:
def __get__(self):
cdef np.npy_intp shape[1]
shape[0] = <np.npy_intp> self.thisptr.size()
return np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, self.thisptr.synth())
def __set__(self, np.ndarray[dtype_t, ndim=1] a):
self.thisptr.synth(<double*> a.data)
property residual:
def __get__(self):
cdef np.npy_intp shape[1]
shape[0] = <np.npy_intp> self.thisptr.size()
return np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, self.thisptr.residual())
def __set__(self, np.ndarray[dtype_t, ndim=1] a):
self.thisptr.residual(<double*> a.data)
property synth_residual:
def __get__(self):
cdef np.npy_intp shape[1]
shape[0] = <np.npy_intp> self.thisptr.size()
return np.PyArray_SimpleNewFromData(1, shape, np.NPY_DOUBLE, self.thisptr.synth_residual())
def __set__(self, np.ndarray[dtype_t, ndim=1] a):
self.thisptr.synth_residual(<double*> a.data)
cdef class PeakDetection:
cdef c_PeakDetection* thisptr
def __cinit__(self): self.thisptr = new c_PeakDetection()
def __dealloc__(self): del self.thisptr
property sampling_rate:
def __get__(self): return self.thisptr.sampling_rate()
def __set__(self, int i): self.thisptr.sampling_rate(i)
property frame_size:
def __get__(self): return self.thisptr.frame_size()
def __set__(self, int i): self.thisptr.frame_size(i)
property static_frame_size:
def __get__(self): return self.thisptr.static_frame_size()
def __set__(self, int i): self.thisptr.static_frame_size(i)
def next_frame_size(self):
return self.thisptr.next_frame_size()
property hop_size:
def __get__(self): return self.thisptr.hop_size()
def __set__(self, int i): self.thisptr.hop_size(i)
property max_peaks:
def __get__(self): return self.thisptr.max_peaks()
def __set__(self, int i): self.thisptr.max_peaks(i)
property window_type:
def __get__(self): return self.thisptr.window_type().c_str()
def __set__(self, char* s): self.thisptr.window_type(string(s))
property window_size:
def __get__(self): return self.thisptr.window_size()
def __set__(self, int i): self.thisptr.window_size(i)
property min_peak_separation:
def __get__(self): return self.thisptr.min_peak_separation()
def __set__(self, double d): self.thisptr.min_peak_separation(d)
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