Generated by Cython 0.28.4
Yellow lines hint at Python interaction.
Click on a line that starts with a "+
" to see the C code that Cython generated for it.
Raw output: filters.c
+01: # cython: language_level=3
__pyx_t_1 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_1); if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_1) < 0) __PYX_ERR(0, 1, __pyx_L1_error) __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
02:
03: from .soundbuffer cimport SoundBuffer
04: from .interpolation cimport _linear_point
05: from . cimport wavetables
06: from .dsp cimport _mag
07: from .fx cimport _norm
08: cimport cython
09: from cpython cimport bool
+10: import numpy as np
__pyx_t_1 = __Pyx_Import(__pyx_n_s_numpy, 0, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 10, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_1); if (PyDict_SetItem(__pyx_d, __pyx_n_s_np, __pyx_t_1) < 0) __PYX_ERR(0, 10, __pyx_L1_error) __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+11: import random
__pyx_t_1 = __Pyx_Import(__pyx_n_s_random, 0, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 11, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_1); if (PyDict_SetItem(__pyx_d, __pyx_n_s_random, __pyx_t_1) < 0) __PYX_ERR(0, 11, __pyx_L1_error) __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
12:
13: @cython.boundscheck(False)
14: @cython.wraparound(False)
15: @cython.cdivision(True)
+16: cdef double[:,:] _fir(double[:,:] snd, double[:,:] out, double[:] impulse, int norm):
static __Pyx_memviewslice __pyx_f_5pippi_7filters__fir(__Pyx_memviewslice __pyx_v_snd, __Pyx_memviewslice __pyx_v_out, __Pyx_memviewslice __pyx_v_impulse, int __pyx_v_norm) { int __pyx_v_i; int __pyx_v_c; int __pyx_v_j; int __pyx_v_framelength; int __pyx_v_channels; int __pyx_v_impulselength; double __pyx_v_sample; int __pyx_v_delayindex; double __pyx_v_maxval; __Pyx_memviewslice __pyx_r = { 0, 0, { 0 }, { 0 }, { 0 } }; __Pyx_RefNannyDeclarations __Pyx_RefNannySetupContext("_fir", 0); /* … */ /* function exit code */ __pyx_L1_error:; __PYX_XDEC_MEMVIEW(&__pyx_t_17, 1); __pyx_r.data = NULL; __pyx_r.memview = NULL; __Pyx_AddTraceback("pippi.filters._fir", __pyx_clineno, __pyx_lineno, __pyx_filename); goto __pyx_L2; __pyx_L0:; if (unlikely(!__pyx_r.memview)) { PyErr_SetString(PyExc_TypeError, "Memoryview return value is not initialized"); } __pyx_L2:; __Pyx_RefNannyFinishContext(); return __pyx_r; }
+17: cdef int i = 0
__pyx_v_i = 0;
+18: cdef int c = 0
__pyx_v_c = 0;
+19: cdef int j = 0
__pyx_v_j = 0;
+20: cdef int framelength = len(snd)
__pyx_t_1 = __Pyx_MemoryView_Len(__pyx_v_snd);
__pyx_v_framelength = __pyx_t_1;
+21: cdef int channels = snd.shape[1]
__pyx_v_channels = (__pyx_v_snd.shape[1]);
+22: cdef int impulselength = len(impulse)
__pyx_t_1 = __Pyx_MemoryView_Len(__pyx_v_impulse);
__pyx_v_impulselength = __pyx_t_1;
+23: cdef double sample = 0
__pyx_v_sample = 0.0;
+24: cdef int delayindex = 0
__pyx_v_delayindex = 0;
25: cdef double maxval
26:
+27: if norm > 0:
__pyx_t_2 = ((__pyx_v_norm > 0) != 0); if (__pyx_t_2) { /* … */ }
+28: maxval = _mag(snd)
__pyx_v_maxval = __pyx_f_5pippi_3dsp__mag(__pyx_v_snd);
29:
+30: for i in range(framelength):
__pyx_t_3 = __pyx_v_framelength; __pyx_t_4 = __pyx_t_3; for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_4; __pyx_t_5+=1) { __pyx_v_i = __pyx_t_5;
+31: for c in range(channels):
__pyx_t_6 = __pyx_v_channels; __pyx_t_7 = __pyx_t_6; for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) { __pyx_v_c = __pyx_t_8;
+32: sample = 0
__pyx_v_sample = 0.0;
+33: for j in range(impulselength):
__pyx_t_9 = __pyx_v_impulselength; __pyx_t_10 = __pyx_t_9; for (__pyx_t_11 = 0; __pyx_t_11 < __pyx_t_10; __pyx_t_11+=1) { __pyx_v_j = __pyx_t_11;
+34: delayindex = i - j
__pyx_v_delayindex = (__pyx_v_i - __pyx_v_j);
+35: if delayindex > 0:
__pyx_t_2 = ((__pyx_v_delayindex > 0) != 0); if (__pyx_t_2) { /* … */ } }
+36: sample += impulse[j] * snd[delayindex,c]
__pyx_t_12 = __pyx_v_j; __pyx_t_13 = __pyx_v_delayindex; __pyx_t_14 = __pyx_v_c; __pyx_v_sample = (__pyx_v_sample + ((*((double *) ( /* dim=0 */ (__pyx_v_impulse.data + __pyx_t_12 * __pyx_v_impulse.strides[0]) ))) * (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_snd.data + __pyx_t_13 * __pyx_v_snd.strides[0]) ) + __pyx_t_14 * __pyx_v_snd.strides[1]) )))));
37:
+38: out[i,c] = sample
__pyx_t_15 = __pyx_v_i; __pyx_t_16 = __pyx_v_c; *((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_out.data + __pyx_t_15 * __pyx_v_out.strides[0]) ) + __pyx_t_16 * __pyx_v_out.strides[1]) )) = __pyx_v_sample; } }
39:
+40: if norm > 0:
__pyx_t_2 = ((__pyx_v_norm > 0) != 0); if (__pyx_t_2) { /* … */ }
+41: return _norm(out, maxval)
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42: else:
+43: return out
/*else*/ { __PYX_INC_MEMVIEW(&__pyx_v_out, 0); __pyx_r = __pyx_v_out; goto __pyx_L0; }
44:
+45: cpdef SoundBuffer fir(SoundBuffer snd, double[:] impulse, bool normalize=True):
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+46: cdef double[:,:] out = np.zeros((len(snd), snd.channels), dtype='d')
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+47: cdef int _normalize = 1 if normalize else 0
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+48: snd.frames = _fir(snd.frames, out, impulse, normalize)
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+49: return snd
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