void bufreverse_process_internal(t_bufreverse *x, t_symbol *sym, short argc, t_atom *argv) { t_symbol *target = atom_getsym(argv++); t_symbol *source = atom_getsym(argv++); float *temp1; double *temp2; t_buffer_write_error error; AH_SIntPtr full_length = buffer_length(source); AH_SIntPtr i; double sample_rate = 0; t_atom_long read_chan = x->read_chan - 1; // Check source buffer if (buffer_check((t_object *) x, source, read_chan)) return; sample_rate = buffer_sample_rate(source); // Allocate Memory temp1 = (float *) ALIGNED_MALLOC(full_length * (sizeof(double) + sizeof(float))); temp2 = (double *) (temp1 + full_length); // Check momory allocation if (!temp1) { object_error((t_object *)x, "could not allocate temporary memory for processing"); free(temp1); return; } // Read from buffer buffer_read(source, read_chan, (float *) temp1, full_length); // Copy to double precision version for (i = 0; i < full_length; i++) temp2[i] = temp1[full_length - i - 1]; // Copy out to buffer error = buffer_write(target, temp2, full_length, x->write_chan - 1, x->resize, sample_rate, 1.); buffer_write_error((t_object *)x, target, error); // Free Resources ALIGNED_FREE(temp1); if (!error) outlet_bang(x->process_done); }
void irreference_dump_internal (t_irreference *x, t_symbol *sym, short argc, t_atom *argv) { double *out_mem; t_buffer_write_error error; t_atom_long in_chan = 1; t_symbol *buffer = 0; AH_UIntPtr fft_size = x->fft_size; AH_UIntPtr mem_size; // Get arguments if (!argc) { object_error ((t_object *) x, "no arguments for dump message"); return; } in_chan = argc > 1 ? atom_getlong(argv++) : 1; buffer = atom_getsym(argv++); // Range check if (in_chan < 1 || in_chan > x->current_num_active_ins) { object_error((t_object *) x, "input channel %ld out of range", in_chan); return; } // Decrement input channel (reference to zero) in_chan--; if (!fft_size) { object_error ((t_object *) x, "no stored impulse responses - you may still be recording"); return; } // Get and check memory out_mem = (double *) access_mem_swap(&x->out_mem, &mem_size) + (in_chan * fft_size); if (mem_size < fft_size) { object_error((t_object *) x, "storage memory is not large enough"); return; } // Write to buffer error = buffer_write(buffer, out_mem, fft_size, x->write_chan - 1, x->resize, x->sample_rate, 1.); buffer_write_error((t_object *) x, buffer, error); // Free temporary memory }
void irreference_extract_internal (t_irreference *x, t_symbol *sym, short argc, t_atom *argv) { double *rec_mem; t_buffer_write_error error; t_atom_long in_chan = 1; t_symbol *buffer = 0; AH_SIntPtr rec_length = x->current_length; AH_UIntPtr fft_size = x->fft_size; AH_UIntPtr mem_size; rec_mem = access_mem_swap(&x->rec_mem, &mem_size); // Get arguments if (!argc) { object_error ((t_object *) x, "no arguments for extract message"); return; } in_chan = argc > 1 ? atom_getlong(argv++) : 1; buffer = atom_getsym(argv++); // Range check if (in_chan < 1 || in_chan > x->current_num_active_ins) { object_error((t_object *) x, "input channel %ld out of range", in_chan); return; } // Decrement input channel (reference to zero) in_chan--; if (!fft_size) { object_error ((t_object *) x, "no stored impulse responses - you may still be recording"); return; } // Write to buffer error = buffer_write(buffer, rec_mem + rec_length * in_chan, rec_length, x->write_chan - 1, x->resize, x->sample_rate, 1.); buffer_write_error((t_object *) x, buffer, error); }
void bufconvolve_process_internal (t_bufconvolve *x, t_symbol *sym, short argc, t_atom *argv) { FFT_SETUP_D fft_setup; FFT_SPLIT_COMPLEX_D spectrum_1; FFT_SPLIT_COMPLEX_D spectrum_2; FFT_SPLIT_COMPLEX_D spectrum_3; double *out_buf; float *in_temp; float *filter_in; AH_Boolean convolve_mode = sym == gensym("convolve") ? true : false; t_symbol *target = atom_getsym(argv++); t_symbol *source_1 = atom_getsym(argv++); t_symbol *source_2 = atom_getsym(argv++); t_symbol *filter = filter_retriever(x->deconvolve_filter_specifier); double filter_specifier[HIRT_MAX_SPECIFIER_ITEMS]; double range_specifier[HIRT_MAX_SPECIFIER_ITEMS]; double time_mul = atom_getfloat(argv++); double sample_rate = buffer_sample_rate(source_1); double deconvolve_phase = phase_retriever(x->deconvolve_phase); double deconvolve_delay; AH_SIntPtr source_length_1 = buffer_length(source_1); AH_SIntPtr source_length_2 = buffer_length(source_2); AH_SIntPtr filter_length = buffer_length(filter); AH_UIntPtr fft_size; AH_UIntPtr fft_size_log2; long deconvolve_mode = x->deconvolve_mode; t_buffer_write_error error; // Check input buffers if (buffer_check((t_object *) x, source_1) || buffer_check((t_object *) x, source_2)) return; // Check sample rates if (sample_rate != buffer_sample_rate(source_2)) object_warn((t_object *) x, "sample rates do not match"); // Check and calculate lengths if (convolve_mode == true) fft_size = (AH_UIntPtr) ((source_length_1 + source_length_2) * time_mul); else fft_size = (AH_UIntPtr) (source_length_1 < source_length_2 ? source_length_2 * time_mul : source_length_1 * time_mul); fft_size = calculate_fft_size(fft_size, &fft_size_log2); deconvolve_delay = delay_retriever(x->deconvolve_delay, fft_size, sample_rate); if (fft_size < 8) { object_error((t_object *) x, "input buffers are too short, or have no length"); return; } // Allocate Memory (use pointer aliasing where possible for efficiency) fft_setup = hisstools_create_setup_d(fft_size_log2); spectrum_1.realp = ALIGNED_MALLOC(sizeof(double) * fft_size * (convolve_mode == true ? 3 : 4)); spectrum_1.imagp = spectrum_1.realp + (fft_size >> 1); spectrum_2.realp = spectrum_1.imagp + (fft_size >> 1); spectrum_2.imagp = spectrum_2.realp + (fft_size >> 1); spectrum_3.realp = spectrum_2.imagp + (fft_size >> 1); spectrum_3.imagp = convolve_mode == true ? 0 : spectrum_3.realp + fft_size; filter_in = filter_length ? ALIGNED_MALLOC(sizeof(float *) * filter_length) : 0; out_buf = spectrum_2.realp; in_temp = (float *) spectrum_3.realp; // Check memory allocations if (!fft_setup || !spectrum_1.realp || (filter_length && !filter_in)) { object_error((t_object *) x, "could not allocate temporary memory for processing"); hisstools_destroy_setup_d(fft_setup); ALIGNED_FREE(spectrum_1.realp); ALIGNED_FREE(filter_in); return; } // Get inputs - convert to frequency domain buffer_read(source_1, x->read_chan - 1, in_temp, source_length_1); time_to_halfspectrum_float(fft_setup, in_temp, source_length_1, spectrum_1, fft_size); buffer_read(source_2, x->read_chan - 1, in_temp, source_length_2); time_to_halfspectrum_float(fft_setup, in_temp, source_length_2, spectrum_2, fft_size); // Do deconvolution or convolution if (convolve_mode == true) convolve(spectrum_1, spectrum_2, fft_size, SPECTRUM_REAL); else { // Fill deconvolution filter specifiers - load filter from buffer (if specified) - deconvolve fill_power_array_specifier(filter_specifier, x->deconvolve_filter_specifier, x->deconvolve_num_filter_specifiers); fill_power_array_specifier(range_specifier, x->deconvolve_range_specifier, x->deconvolve_num_range_specifiers); buffer_read(filter, 0, filter_in, fft_size); deconvolve(fft_setup, spectrum_1, spectrum_2, spectrum_3, filter_specifier, range_specifier, 0.0, filter_in, filter_length, fft_size, SPECTRUM_REAL, deconvolve_mode, deconvolve_phase, deconvolve_delay, sample_rate); } // Convert to time domain - copy out to buffer spectrum_to_time(fft_setup, out_buf, spectrum_1, fft_size, SPECTRUM_REAL); error = buffer_write(target, out_buf, (convolve_mode == true ? source_length_1 + source_length_2 - 1 : fft_size), x->write_chan - 1, x->resize, sample_rate, 1.); buffer_write_error((t_object *) x, target, error); // Free resources hisstools_destroy_setup_d(fft_setup); ALIGNED_FREE(spectrum_1.realp); ALIGNED_FREE(filter_in); if (!error) outlet_bang(x->process_done); }
void irphase_process_internal (t_irphase *x, t_symbol *sym, short argc, t_atom *argv) { FFT_SETUP_D fft_setup; FFT_SPLIT_COMPLEX_D spectrum_1; FFT_SPLIT_COMPLEX_D spectrum_2; FFT_SPLIT_COMPLEX_D spectrum_3; float *in; float *filter_in; double *out_buf; t_symbol *filter = filter_retriever(x->deconvolve_filter_specifier); t_symbol *target = atom_getsym(argv++); t_symbol *source = atom_getsym(argv++); double filter_specifier[HIRT_MAX_SPECIFIER_ITEMS]; double range_specifier[HIRT_MAX_SPECIFIER_ITEMS]; double phase = atom_getfloat(argv++); double time_mul = atom_getfloat(argv++); double sample_rate = buffer_sample_rate(source); double deconvolve_delay; double deconvolve_phase; t_phase_type mode = (t_phase_type) atom_getlong(argv++); AH_UIntPtr fft_size; AH_UIntPtr fft_size_log2; AH_UIntPtr i; t_buffer_write_error error; long deconvolve_mode; // Get input buffer lengths AH_SIntPtr source_length_1 = buffer_length(source); AH_SIntPtr filter_length = buffer_length(filter); AH_SIntPtr max_length = source_length_1; // Check input buffers if (buffer_check((t_object *) x, source)) return; // Calculate fft size time_mul = time_mul == 0. ? 1 : time_mul; if (time_mul < 1) { object_warn((t_object *) x, " time multiplier cannot be less than 1 (using 1)"); time_mul = 1; } fft_size = calculate_fft_size((long) (max_length * time_mul), &fft_size_log2); if (fft_size < 8) { object_error((t_object *) x, "buffers are too short, or have no length"); return; } deconvolve_mode = x->deconvolve_mode; deconvolve_phase = phase_retriever(x->deconvolve_phase); deconvolve_delay = delay_retriever(x->deconvolve_delay, fft_size, sample_rate); // Allocate momory fft_setup = hisstools_create_setup_d(fft_size_log2); spectrum_1.realp = ALIGNED_MALLOC(sizeof(double) * fft_size * (mode == MODE_ALLPASS ? 6 : 3)); spectrum_1.imagp = spectrum_1.realp + fft_size; spectrum_2.realp = spectrum_1.imagp + fft_size; spectrum_2.imagp = mode == MODE_ALLPASS ? spectrum_2.realp + fft_size : 0; spectrum_3.realp = mode == MODE_ALLPASS ? spectrum_2.imagp + fft_size : 0; spectrum_3.imagp = mode == MODE_ALLPASS ? spectrum_3.realp + fft_size : 0; filter_in = filter_length ? ALIGNED_MALLOC(sizeof(float *) * filter_length) : 0; out_buf = mode == MODE_ALLPASS ? spectrum_3.realp : spectrum_2.realp; in = (float *) out_buf; if (!spectrum_1.realp || !fft_setup || (filter_length && !filter_in)) { object_error((t_object *) x, "could not allocate temporary memory for processing"); hisstools_destroy_setup_d(fft_setup); ALIGNED_FREE(spectrum_1.realp); ALIGNED_FREE(filter_in); return; } // Get input - convert to frequency domain - get power spectrum - convert phase buffer_read(source, x->read_chan - 1, in, fft_size); time_to_spectrum_float(fft_setup, in, source_length_1, spectrum_1, fft_size); power_spectrum(spectrum_1, fft_size, SPECTRUM_FULL); variable_phase_from_power_spectrum(fft_setup, spectrum_1, fft_size, phase, false); if (mode == MODE_ALLPASS) { // Copy minimum phase spectrum to spectrum_2 for (i = 0; i < fft_size; i++) { spectrum_2.realp[i] = spectrum_1.realp[i]; spectrum_2.imagp[i] = spectrum_1.imagp[i]; } // Get input again time_to_spectrum_float(fft_setup, in, source_length_1, spectrum_1, fft_size); // Fill deconvolution filter specifiers - read filter from buffer (if specified) - deconvolve input by minimum phase spectrum fill_power_array_specifier(filter_specifier, x->deconvolve_filter_specifier, x->deconvolve_num_filter_specifiers); fill_power_array_specifier(range_specifier, x->deconvolve_range_specifier, x->deconvolve_num_range_specifiers); buffer_read(filter, 0, filter_in, fft_size); deconvolve(fft_setup, spectrum_1, spectrum_2, spectrum_3, filter_specifier, range_specifier, 0, filter_in, filter_length, fft_size, SPECTRUM_FULL, deconvolve_mode, deconvolve_phase, deconvolve_delay, sample_rate); } // Convert to time domain - copy out to buffer spectrum_to_time(fft_setup, out_buf, spectrum_1, fft_size, SPECTRUM_FULL); error = buffer_write(target, out_buf, fft_size, x->write_chan - 1, x->resize, sample_rate, 1); buffer_write_error((t_object *) x, target, error); // Free memory hisstools_destroy_setup_d(fft_setup); ALIGNED_FREE(spectrum_1.realp); ALIGNED_FREE(filter_in); if (!error) outlet_bang(x->process_done); }
void ircropfade_process_internal(t_ircropfade *x, t_symbol *sym, short argc, t_atom *argv) { // Load arguments t_symbol *target = atom_getsym(argv++); t_symbol *source = atom_getsym(argv++); t_atom_long crop1 = atom_getlong(argv++); t_atom_long crop2 = atom_getlong(argv++); double fade_start = atom_getfloat(argv++); double in_length = atom_getfloat(argv++); double fade_end = atom_getfloat(argv++); double out_length = atom_getfloat(argv++); // Set fade variables double fade_in_lo = fade_start - 1; double fade_in_hi = in_length > 0 ? fade_start + in_length : fade_start; double fade_out_lo = fade_end; double fade_out_hi = out_length > 0 ? fade_end - out_length : fade_end - 1; double fade_in_recip = 1. / (fade_in_hi - fade_in_lo); double fade_out_recip = 1. / (fade_out_hi - fade_out_lo); float *temp1; double *temp2; t_buffer_write_error error; AH_SIntPtr full_length = buffer_length(source); AH_SIntPtr final_length; AH_SIntPtr i; t_atom_long read_chan = x->read_chan - 1; double sample_rate = 0; // Check source buffer if (buffer_check((t_object *) x, source, read_chan)) return; sample_rate = buffer_sample_rate(source); crop1 = crop1 < 0 ? 0 : crop1; crop2 = crop2 < 0 ? 0 : crop2; crop1 = crop1 > full_length - 1 ? full_length - 1: crop1; crop2 = crop2 > full_length ? full_length : crop2; if (crop1 >= crop2) return; final_length = crop2 - crop1; // Allocate Memory temp1 = (float *) ALIGNED_MALLOC(full_length * sizeof(float) + final_length * sizeof(double)); temp2 = (double *) (temp1 + full_length); // Check momory allocation if (!temp1) { object_error((t_object *)x, "could not allocate temporary memory for processing"); free(temp1); return; } // Read from buffer buffer_read(source, read_chan, (float *) temp1, full_length); // Copy with crops / fades to double precision version for (i = 0; i < final_length; i++) { double in_val = temp1[i + crop1]; double fade_in = calculate_fade((double) (i + crop1), fade_in_lo, fade_in_recip); double fade_out = calculate_fade((double) (i + crop1), fade_out_lo, fade_out_recip); temp2[i] = in_val * fade_in * fade_out; } // Copy out to buffer error = buffer_write(target, temp2, final_length, x->write_chan - 1, x->resize, sample_rate, 1.); buffer_write_error((t_object *)x, target, error); // Free Resources ALIGNED_FREE(temp1); if (!error) outlet_bang(x->process_done); }