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-rw-r--r--examples/MSP/xtract~.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/examples/MSP/xtract~.c b/examples/MSP/xtract~.c
deleted file mode 100644
index e46ec6a..0000000
--- a/examples/MSP/xtract~.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/*
- * Copyright (C) 2012 Jamie Bullock
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- */
-
-/* calculates the spectral xtract of one frame, given peak frequency and amplitude to first and second inputs respectively */
-
-#include "ext.h"
-#include "z_dsp.h"
-#include <math.h>
-#include <string.h>
-
-#include "xtract/libxtract.h"
-
-#define BLOCKSIZE 1024 /* FIX: this should be dynamic - somehow */
-#define NYQUIST 22050.0f
-
-void *xtract_tilde_class;
-
-/* Struct for keeping track of memory allocations */
-typedef struct _tracked_memory {
- char argv;
-} tracked_memory;
-
-typedef struct _xtract {
- t_pxobject x_obj;
- void *outlet; /*Float outlet */
- t_float f;
- t_int feature;
- t_symbol *feature_name;
- t_int init_blocksize;
- t_int done_init;
- t_int feature_type;
- tracked_memory memory;
- void *argv;
- double *data;
- double *result;
-} t_xtract_tilde;
-
-static t_int *xtract_perform(t_int *w) {
- t_float *in = (t_float *)(w[1]);
- t_xtract_tilde *x = (t_xtract_tilde *)(w[2]);
- t_int N = (t_int)(w[3]);
- t_int return_code = 0;
- double result = 0.f;
-
- for(n = 0; n < N; ++n){
- x->data[n] = (double)in[n];
- }
-
- return_code = xtract[x->feature](x->data, N, x->argv, &result);
-
- if(return_code == XTRACT_FEATURE_NOT_IMPLEMENTED)
- perror("Feature not implemented");
-
- /* set nan, inf or -inf to 0 */
- result = (isinf(result) || isnan(result) ? 0 : result);
-
- outlet_float(x->outlet, (float)result);
- return (w+4);
-}
-
-static t_int *xtract_perform_vector(t_int *w) {
- t_sample *in = (t_float *)(w[1]);
- t_sample *out = (t_float *)(w[2]);
- t_xtract_tilde *x = (t_xtract_tilde *)(w[3]);
- t_int N = (t_int)(w[4]), n;
- t_int return_code = 0;
-
- if(x->feature == XTRACT_PEAK_SPECTRUM)
- N >>= 1;
-
- if(N != x->init_blocksize && x->done_init){
- post("xtract~ %s: Blocksize mismatch, try specifying the blocksize as a second argument", x->feature_name->s_name);
- return (w+5);
- }
-
- for(n = 0; n < N; ++n){
- x->data[n] = (double)in[n];
- }
-
- return_code = xtract[x->feature](x->data, N, x->argv, x->result);
-
- for(n = 0; n < N; ++n){
- out[n] = (float)x->result[n];
- }
-
- if(return_code == XTRACT_FEATURE_NOT_IMPLEMENTED)
- perror("Feature not implemented");
-
- return (w+5);
-}
-
-static void xtract_tilde_dsp(t_xtract_tilde *x, t_signal **sp) {
-
- if(x->feature_type == XTRACT_VECTOR)
- dsp_add(xtract_perform_vector, 4,
- sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-
- else dsp_add(xtract_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
-
-}
-
-static void *xtract_tilde_new(t_symbol *me, t_int argc, t_atom *argv) {
-
- t_symbol *tmp;
- t_xtract_tilde *x = (t_xtract_tilde *)newobject(xtract_tilde_class);
- xtract_mel_filter *mf;
- t_int n, N, f, F, n_args, type;
- t_float *argv_max;
- xtract_function_descriptor_t *fd;
- char *p_name, *p_desc, *author;
- int year;
-
- tmp = NULL;
- p_name = p_desc = author = NULL;
-
- n_args = type = x->feature = 0;
-
- f = F = XTRACT_FEATURES;
-
- N = BLOCKSIZE;
-
- x->argv = NULL;
- x->done_init = 0;
-
- x->data = (double *)getbytes(N * sizeof(double));
- x->result = (double *)getbytes(N * sizeof(double));
-
-
- if(argc)
- tmp = argv[0].a_w.w_sym; /*atom_getsymbol(argv); */
- if(argc > 1)
- N = (t_int)argv[1].a_w.w_long;
-
- x->init_blocksize = N;
-
- /* get function descriptors */
- fd = (xtract_function_descriptor_t *)xtract_make_descriptors();
-
- /* iterate over descriptors */
- while(f--){
- /* map creation arg to feature */
- if(tmp == gensym(fd[f].algo.name)){
- x->feature = f;
- break;
- }
- }
-
- /* allocate memory for feature arguments */
- n_args = fd[f].argc;
- type = fd[f].argv.type;
-
- if(n_args){
- for(n = 0; n < n_args; n++){
- argv_max = &fd[f].argv.max[n];
- //post("Argument %d, max: %.2f", n, *argv_max);
- }
- if(type == XTRACT_MEL_FILTER){
- x->memory.argv = (size_t)(n_args * sizeof(xtract_mel_filter));
- x->argv = (xtract_mel_filter *)getbytes(x->memory.argv);
- }
- else if(type == XTRACT_INT){
- x->memory.argv = (size_t)(n_args * sizeof(t_int));
- x->argv = (t_int *)getbytes(x->memory.argv);
- }
- else if (type == XTRACT_FLOAT){
- x->memory.argv = (size_t)(n_args * sizeof(t_float));
- x->argv = (t_float *)getbytes(x->memory.argv);
- }
- else
- x->memory.argv = 0;
- }
-
-
- p_name = fd[f].algo.p_name;
- p_desc = fd[f].algo.p_desc;
- author = fd[f].algo.author;
- year = fd[f].algo.year;
-
- if(argc){
- if(strcmp(p_name, ""))
- post("xtract~: %s", p_name );
- if(strcmp(p_desc, ""))
- post("xtract~: %s", p_desc );
- if(strcmp(author, "") && year)
- post("xtract~: %s(%d)", author, year);
- }
- else
- post("xtract~: No arguments given");
-
- /* do init if needed */
- if(x->feature == XTRACT_MFCC){
-
- mf = x->argv;
-
- mf->n_filters = 20;
-
- post("xtract~: mfcc: filters = %d",
- ((xtract_mel_filter *)x->argv)->n_filters);
- mf->filters =
- (t_float **)getbytes(mf->n_filters * sizeof(t_float *));
- for(n = 0; n < mf->n_filters; n++)
- mf->filters[n] = (float *)getbytes(N * sizeof(float));
-
- xtract_init_mfcc(N, NYQUIST, XTRACT_EQUAL_GAIN, 80.0f,
- 18000.0f, mf->n_filters, mf->filters);
- }
- else if(x->feature == XTRACT_BARK_COEFFICIENTS)
- xtract_init_bark(N, NYQUIST, x->argv);
-
- /* Initialise fft_plan if required */
- if(x->feature == XTRACT_AUTOCORRELATION_FFT ||
- x->feature == XTRACT_SPECTRUM ||
- x->feature == XTRACT_DCT){
- xtract_init_fft(N, x->feature);
- x->done_init = 1;
- }
-
- if(x->feature == XTRACT_AUTOCORRELATION ||
- x->feature == XTRACT_AUTOCORRELATION_FFT ||
- x->feature == XTRACT_MFCC || x->feature == XTRACT_AMDF ||
- x->feature == XTRACT_ASDF|| x->feature == XTRACT_DCT ||
- x->feature == XTRACT_BARK_COEFFICIENTS ||
- x->feature == XTRACT_SPECTRUM ||
- x->feature == XTRACT_PEAK_SPECTRUM ||
- x->feature == XTRACT_HARMONIC_SPECTRUM)
- x->feature_type = XTRACT_VECTOR;
-
- else if (x->feature == XTRACT_FLUX || x->feature == XTRACT_ATTACK_TIME ||
- x->feature == XTRACT_DECAY_TIME || x->feature == XTRACT_DELTA)
- x->feature_type = XTRACT_DELTA;
-
- else x->feature_type = XTRACT_SCALAR;
-
- /* argv through right inlet */
- inlet_new((t_pxobject *)x, "list");
-
- /* DSP inlet */
- dsp_setup((t_pxobject *)x, 1);
-
-
- /* if feature is vector, create signal out */
- if(x->feature_type == XTRACT_VECTOR)
- outlet_new((t_pxobject *)x, "signal");
-
- /* otherwise: float */
- else
- x->outlet = floatout((t_pxobject *)x);
-
-
- /* free the function descriptors */
- xtract_free_descriptors(fd);
-
- return (void *)x;
-}
-
-static void xtract_tilde_get_args(t_xtract_tilde *x, t_symbol *selector,
-t_int argc, t_atom *argv) {
-/*
- if(argc > (t_int)sizeof(x->argv) /
- (t_int)sizeof(t_float) || x->argv == NULL)
- post("Too many parameters to right inlet");
- else{*/
-
- t_float temp = 0.f;
- x->argv = getbytes(argc * sizeof(float));
-
- while(argc--){
- temp = argv[argc].a_w.w_float;
- ((t_float *)x->argv)[argc] = temp;
- }
- /* }*/
-}
-
-static void xtract_tilde_show_help(t_xtract_tilde *x, t_symbol *s){
-
- int i;
-
- i = XTRACT_FEATURES;
- xtract_function_descriptor_t *fd, *d;
-
- fd = (xtract_function_descriptor_t *)xtract_make_descriptors();
- post("\nxtract~: Feature List\n");
-
- while(i--){
- d = &fd[i];
- post("\t%s", d->algo.name);
- }
-
- xtract_free_descriptors(fd);
-}
-
-static void xtract_tilde_free(t_xtract_tilde *x) {
-
- if(x->argv != NULL && x->memory.argv)
- freebytes(x->argv, x->memory.argv);
- freebytes(x->data);
- freebytes(x->result);
-}
-
-int main(void) {
-
- setup((t_messlist **)&xtract_tilde_class,
- (method)xtract_tilde_new,
- (method)xtract_tilde_free,
- sizeof(t_xtract_tilde),
- 0L,
- A_GIMME, 0);
-
- addmess((method)xtract_tilde_dsp, "dsp", A_CANT, 0);
- addmess((method)xtract_tilde_get_args, "list", A_GIMME, 0);
- addmess((method)xtract_tilde_show_help, "help", A_DEFSYM, 0);
- dsp_initclass();
- //class_setname("xtract~", "xtract~");
-
- return 0;
-
-}
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