diff options
| -rw-r--r-- | examples/puredata/xtract~.c | 7 | ||||
| -rw-r--r-- | src/descriptors.c | 307 | ||||
| -rw-r--r-- | xtract/libxtract.h | 14 |
3 files changed, 262 insertions, 66 deletions
diff --git a/examples/puredata/xtract~.c b/examples/puredata/xtract~.c index c5febd5..25b176a 100644 --- a/examples/puredata/xtract~.c +++ b/examples/puredata/xtract~.c @@ -106,7 +106,7 @@ static void *xtract_new(t_symbol *me, t_int argc, t_atom *argv) { t_int n, N, f, F, n_args, type; t_function_descriptor *fd; - n_args = type = 0; + n_args = type = x->feature = 0; f = F = XTRACT_FEATURES; @@ -124,12 +124,13 @@ static void *xtract_new(t_symbol *me, t_int argc, t_atom *argv) { /* map creation arg to feature */ if(tmp == gensym(fd[f].algo.name)){ x->feature = f; + /* FIX: possible bug if no argument given */ break; } } /* allocate memory for feature arguments */ - n_args = fd[f].n_args; + n_args = fd[f].argc; type = fd[f].argv.type; if(n_args){ @@ -149,7 +150,7 @@ static void *xtract_new(t_symbol *me, t_int argc, t_atom *argv) { x->memory.argv = 0; } - post("xtract~: %s", fd[f].algo.pretty_name); + post("xtract~: %s", fd[f].algo.p_name); /* do init if needed */ if(x->feature == MFCC){ diff --git a/src/descriptors.c b/src/descriptors.c index 0d35fd6..8b00084 100644 --- a/src/descriptors.c +++ b/src/descriptors.c @@ -26,16 +26,22 @@ void *xtract_make_descriptors(){ t_function_descriptor *fd, *d; + t_type *type; int f , F; - char *name, *pretty_name; - int *n_args; + char *name, *p_name, *desc, *p_desc, *author; + int *argc, *year; f = F = XTRACT_FEATURES; fd = malloc(XTRACT_FEATURES * sizeof(t_function_descriptor)); + while(f--){ + d = &fd[f]; + argc = &d->argc; + type = &d->argv.type; + switch(f){ case MEAN: case VARIANCE: @@ -49,7 +55,7 @@ void *xtract_make_descriptors(){ case F0: case FAILSAFE_F0: case TONALITY: - d->n_args = 1; + *argc = 1; d->argv.type = FLOAT; break; case SKEWNESS: @@ -58,15 +64,15 @@ void *xtract_make_descriptors(){ case HARMONICS: case NOISINESS: case CREST: - d->n_args = 2; + *argc = 2; d->argv.type = FLOAT; break; case MFCC: - d->n_args = 1; + *argc = 1; d->argv.type = MEL_FILTER; break; case BARK_COEFFICIENTS: - d->n_args = BARK_BANDS; + *argc = BARK_BANDS; d->argv.type = INT; break; case CENTROID: @@ -96,205 +102,392 @@ void *xtract_make_descriptors(){ case AUTOCORRELATION: case AMDF: case ASDF: - d->n_args = 0; + *argc = 0; break; default: - d->n_args = 0; + *argc = 0; break; } + name = d->algo.name; - pretty_name = d->algo.pretty_name; - n_args = d->n_args; + p_name = d->algo.p_name; + desc = d->algo.desc; + p_desc = d->algo.p_desc; + author = d->algo.author; + year = &d->algo.year; + + *year = 0; + switch(f){ case MEAN: strcpy(name, "mean"); - strcpy(pretty_name, "Mean"); + strcpy(p_name, "Spectral Mean"); + strcpy(desc, "Extract the mean of an input vector"); + strcpy(p_desc, "Extract the mean of a audio spectrum"); + strcpy(author, ""); break; case VARIANCE: strcpy(name, "variance"); - strcpy(pretty_name, "Variance"); + strcpy(p_name, "Variance"); + strcpy(desc, "Extract the variance of an input vector"); + strcpy(p_desc, "Extract the variance of an audio spectrum"); + strcpy(author, ""); break; case STANDARD_DEVIATION: strcpy(name, "standard_deviation"); - strcpy(pretty_name, "Standard Deviation"); + strcpy(p_name, "Standard Deviation"); + strcpy(desc, "Extract the standard deviation of an input \ + vector"); + strcpy(p_desc, "Extract the standard deviation of an audio \ + spectrum"); + strcpy(author, ""); break; case AVERAGE_DEVIATION: strcpy(name, "average_deviation"); - strcpy(pretty_name, "Average Deviation"); + strcpy(p_name, "Average Deviation"); + strcpy(desc, "Extract the average deviation of an input vector"); + strcpy(p_desc, "Extract the average deviation of an audio \ + spectrum"); + strcpy(author, ""); break; case ROLLOFF: strcpy(name, "rolloff"); - strcpy(pretty_name, "Spectral Rolloff"); + strcpy(p_name, "Spectral Rolloff"); + strcpy(desc, "Extract the rolloff point of a spectrum"); + strcpy(p_desc, "Extract the rolloff point of an audio \ + spectrum"); + strcpy(author, ""); break; case INHARMONICITY: strcpy(name, "inharmonicity"); - strcpy(pretty_name, "Inharmonicity"); + strcpy(p_name, "Inharmonicity"); + strcpy(desc, "Extract the inharmonicity of a spectrum"); + strcpy(p_desc, "Extract the inharmonicity of an audio \ + spectrum"); + strcpy(author, ""); break; case MAGNITUDE_SPECTRUM: strcpy(name, "magnitude_spectrum"); - strcpy(pretty_name, "Magnitude Spectrum"); + strcpy(p_name, "Magnitude Spectrum"); + strcpy(desc, "Extract the magnitude spectrum of an input \ + vector"); + strcpy(p_desc, "Extract the magnitude spectrum of an \ + audio signal"); + strcpy(author, ""); break; case ODD_EVEN_RATIO: strcpy(name, "odd_even_ratio"); - strcpy(pretty_name, "Odd/Even Harmonic Ratio"); + strcpy(p_name, "Odd/Even Harmonic Ratio"); + strcpy(desc, "Extract the odd-to-even harmonic ratio of a \ + spectrum"); + strcpy(p_desc, "Extract the odd-to-even harmonic ratio of an \ + audio spectrum"); + strcpy(author, ""); break; case LOWEST_VALUE: strcpy(name, "lowest_value"); - strcpy(pretty_name, "Lowest Value"); + strcpy(p_name, "Lowest Value"); + strcpy(desc, "Extract the lowest value from an input vector"); + strcpy(p_desc, "Extract the lowest value from a given range"); + strcpy(author, ""); break; case F0: strcpy(name, "f0"); - strcpy(pretty_name, "Fundamental Frequency"); + strcpy(p_name, "Fundamental Frequency"); + strcpy(desc, "Extract the fundamental frequency of a signal"); + strcpy(p_desc, "Extract the fundamental frequency of an audio \ + signal"); + strcpy(author, ""); break; case FAILSAFE_F0: strcpy(name, "failsafe_f0"); - strcpy(pretty_name, "Fundamental Frequency (failsafe)"); + strcpy(p_name, "Fundamental Frequency (failsafe)"); + strcpy(desc, "Extract the fundamental frequency of a signal"); + strcpy(p_desc, "Extract the fundamental frequency of an audio \ + signal"); + strcpy(author, ""); break; case TONALITY: strcpy(name, "tonality"); - strcpy(pretty_name, "Tonality"); + strcpy(p_name, "Tonality"); + strcpy(desc, "Extract the tonality of a spectrum"); + strcpy(p_desc, "Extract the tonality an audio spectrum"); + strcpy(author, ""); break; case SKEWNESS: strcpy(name, "skewness"); - strcpy(pretty_name, "Spectral Skewness"); + strcpy(p_name, "Spectral Skewness"); + strcpy(desc, "Extract the skewness of an input vector"); + strcpy(p_desc, "Extract the skewness of an audio spectrum"); + strcpy(author, ""); break; case KURTOSIS: strcpy(name, "kurtosis"); - strcpy(pretty_name, "Spectral Kurtosis"); + strcpy(p_name, "Spectral Kurtosis"); + strcpy(desc, "Extract the kurtosis of an input vector"); + strcpy(p_desc, "Extract the kurtosis of an audio spectrum"); + strcpy(author, ""); break; case PEAKS: strcpy(name, "peaks"); - strcpy(pretty_name, "Spectral Peaks"); + strcpy(p_name, "Spectral Peaks"); + strcpy(desc, "Extract the spectral peaks from of a spectrum"); + strcpy(p_desc, "Extract the spectral peaks from an audio \ + spectrum"); + strcpy(author, ""); break; case HARMONICS: strcpy(name, "harmonics"); - strcpy(pretty_name, "Spectral Harmonics"); + strcpy(p_name, "Spectral Harmonics"); + strcpy(desc, "Extract the harmonics from a spectrum"); + strcpy(p_desc, "Extract the harmonics from an audio spectrum"); + strcpy(author, ""); break; case NOISINESS: strcpy(name, "noisiness"); - strcpy(pretty_name, "Noisiness"); + strcpy(p_name, "Noisiness"); + strcpy(desc, "Extract the noisiness of a spectrum"); + strcpy(p_desc, "Extract the noisiness of an audio spectrum"); + strcpy(author, ""); break; case CREST: strcpy(name, "crest"); - strcpy(pretty_name, "Spectral Crest Measure"); + strcpy(p_name, "Spectral Crest Measure"); + strcpy(desc, "Extract the spectral crest measure of a \ + spectrum"); + strcpy(p_desc, "Extract the spectral crest measure of a \ + audio spectrum"); + strcpy(author, ""); break; case MFCC: strcpy(name, "mfcc"); - strcpy(pretty_name, "Mel Frequency Cepstral Coefficients"); + strcpy(p_name, "Mel Frequency Cepstral Coefficients"); + strcpy(desc, "Extract MFCC from a spectrum"); + strcpy(p_desc, "Extract MFCC from an audio spectrum"); + strcpy(author, ""); break; case BARK_COEFFICIENTS: strcpy(name, "bark_coefficients"); - strcpy(pretty_name, "Bark Coefficients"); + strcpy(p_name, "Bark Coefficients"); + strcpy(desc, "Extract bark coefficients from a spectrum"); + strcpy(p_desc, "Extract bark coefficients from an audio \ + spectrum"); + strcpy(author, ""); break; case CENTROID: strcpy(name, "centroid"); - strcpy(pretty_name, "Spectral Centroid"); + strcpy(p_name, "Spectral Centroid"); + strcpy(desc, "Extract the spectral centroid of a spectrum"); + strcpy(p_desc, "Extract the spectral centroid of an audio \ + spectrum"); + strcpy(author, ""); break; case IRREGULARITY_K: strcpy(name, "irregularity_k"); - strcpy(pretty_name, "Irregularity I"); + strcpy(p_name, "Irregularity I"); + strcpy(desc, "Extract the irregularity of a spectrum"); + strcpy(p_desc, "Extract the irregularity of an audio \ + spectrum"); + strcpy(author, ""); break; case IRREGULARITY_J: strcpy(name, "irregularity_j"); - strcpy(pretty_name, "Irregularity II"); + strcpy(p_name, "Irregularity II"); + strcpy(desc, "Extract the irregularity of a spectrum"); + strcpy(p_desc, "Extract the irregularity of an audio \ + spectrum"); + strcpy(author, ""); break; case TRISTIMULUS_1: strcpy(name, "tristimulus_1"); - strcpy(pretty_name, "Tristimulus I"); + strcpy(p_name, "Tristimulus I"); + strcpy(desc, "Extract the tristimulus (type I) of a spectrum"); + strcpy(p_desc, "Extract the tristimulus (type I) of an audio \ + spectrum"); + strcpy(author, ""); break; case TRISTIMULUS_2: strcpy(name, "tristimulus_2"); - strcpy(pretty_name, "Tristimulus II"); + strcpy(p_name, "Tristimulus II"); + strcpy(desc, "Extract the tristimulus (type II) of a spectrum"); + strcpy(p_desc, "Extract the tristimulus (type II) of an audio \ + spectrum"); + strcpy(author, ""); break; case TRISTIMULUS_3: strcpy(name, "tristimulus_3"); - strcpy(pretty_name, "Tristimulus III"); + strcpy(p_name, "Tristimulus III"); + strcpy(desc, "Extract the tristimulus (type III) of a spectrum"); + strcpy(p_desc, "Extract the tristimulus (type III) of an audio \ + spectrum"); + strcpy(author, ""); break; case SMOOTHNESS: strcpy(name, "smoothness"); - strcpy(pretty_name, "Spectral Smoothness"); + strcpy(p_name, "Spectral Smoothness"); + strcpy(desc, "Extract the spectral smoothness of a spectrum"); + strcpy(p_desc, "Extract the spectral smoothness of an audio \ + spectrum"); + strcpy(author, ""); break; case FLATNESS: strcpy(name, "flatness"); - strcpy(pretty_name, "Spectral Flatness"); + strcpy(p_name, "Spectral Flatness"); + strcpy(desc, "Extract the spectral flatness of a spectrum"); + strcpy(p_desc, "Extract the spectral flatness of an audio \ + spectrum"); + strcpy(author, ""); break; case SPREAD: strcpy(name, "spread"); - strcpy(pretty_name, "Spectral Spread"); + strcpy(p_name, "Spectral Spread"); + strcpy(desc, "Extract the spectral spread of a spectrum"); + strcpy(p_desc, "Extract the spectral spread of an audio \ + spectrum"); + strcpy(author, ""); break; case ZCR: strcpy(name, "zcr"); - strcpy(pretty_name, "Zero Crossing Rate"); + strcpy(p_name, "Zero Crossing Rate"); + strcpy(desc, "Extract the zero crossing rate of a vector"); + strcpy(p_desc, "Extract the zero crossing rate of an audio \ + signal"); + strcpy(author, ""); break; case LOUDNESS: strcpy(name, "loudness"); - strcpy(pretty_name, "Loudness"); + strcpy(p_name, "Loudness"); + strcpy(desc, "Extract the loudness of a signal from its \ + spectrum"); + strcpy(p_desc, "Extract the loudness of an audio signal from \ + its spectrum"); + strcpy(author, ""); break; case HIGHEST_VALUE: strcpy(name, "highest_value"); - strcpy(pretty_name, "Highest Value"); + strcpy(p_name, "Highest Value"); + strcpy(desc, "Extract the highest value from an input vector"); + strcpy(p_desc, "Extract the highest value from a given range"); + strcpy(author, ""); break; case SUM: strcpy(name, "sum"); - strcpy(pretty_name, "Sum of Values"); + strcpy(p_name, "Sum of Values"); + strcpy(desc, "Extract the sum of the values in an input \ + vector"); + strcpy(p_desc, "Extract the sum of the values in a given \ + range"); + strcpy(author, ""); break; case RMS_AMPLITUDE: strcpy(name, "rms_amplitude"); - strcpy(pretty_name, "RMS Amplitude"); + strcpy(p_name, "RMS Amplitude"); + strcpy(desc, "Extract the RMS amplitude of a signal"); + strcpy(p_desc, "Extract the RMS amplitude of an audio signal"); + strcpy(author, ""); break; case POWER: strcpy(name, "power"); - strcpy(pretty_name, "Spectral Power"); + strcpy(p_name, "Spectral Power"); + strcpy(desc, "Extract the spectral power of a spectrum"); + strcpy(p_desc, "Extract the spectral power of an audio \ + spectrum"); + strcpy(author, ""); break; case SHARPNESS: strcpy(name, "sharpness"); - strcpy(pretty_name, "Spectral Sharpness"); + strcpy(p_name, "Spectral Sharpness"); + strcpy(desc, "Extract the spectral sharpness of a spectrum"); + strcpy(p_desc, "Extract the spectral sharpness of an audio \ + spectrum"); + strcpy(author, ""); break; case SLOPE: strcpy(name, "slope"); - strcpy(pretty_name, "Spectral Slope"); + strcpy(p_name, "Spectral Slope"); + strcpy(desc, "Extract the spectral slope of a spectrum"); + strcpy(p_desc, "Extract the spectral slope of an audio \ + spectrum"); + strcpy(author, ""); break; case HPS: strcpy(name, "hps"); - strcpy(pretty_name, "Harmonic Product Spectrum"); + strcpy(p_name, "Harmonic Product Spectrum"); + strcpy(desc, "Extract the harmonic product spectrum of a \ + spectrum"); + strcpy(p_desc, "Extract the harmonic product spectrum of an \ + audio spectrum"); + strcpy(author, ""); break; case FLUX: strcpy(name, "flux"); - strcpy(pretty_name, "Spectral Flux"); + strcpy(p_name, "Spectral Flux"); + strcpy(desc, "Extract the spectral flux of a spectrum"); + strcpy(p_desc, "Extract the spectral flux of an audio \ + spectrum"); + strcpy(author, ""); break; case ATTACK_TIME: strcpy(name, "attack_time"); - strcpy(pretty_name, "Attack Time"); + strcpy(p_name, "Attack Time"); + strcpy(desc, "Extract the attack time of a signal"); + strcpy(p_desc, "Extract the attack time of an audio signal"); + strcpy(author, ""); break; case DECAY_TIME: strcpy(name, "decay_time"); - strcpy(pretty_name, "Decay Time"); + strcpy(p_name, "Decay Time"); + strcpy(desc, "Extract the decay time of a signal"); + strcpy(p_desc, "Extract the decay time of an audio signal"); + strcpy(author, ""); break; case DELTA_FEATURE: strcpy(name, "delta_feature"); - strcpy(pretty_name, "Delta Feature"); + strcpy(p_name, "Delta Feature"); + strcpy(desc, "Extract the time derivative of a feature"); + strcpy(p_desc, "Extract the time derivative of a feature"); + strcpy(author, ""); break; case AUTOCORRELATION_FFT: strcpy(name, "autocorrelation_fft"); - strcpy(pretty_name, "Autocorrelation (FFT method)"); + strcpy(p_name, "Autocorrelation (FFT method)"); + strcpy(desc, "Extract the autocorrelation of a signal"); + strcpy(p_desc, "Extract the autocorrelation of an audio signal"); + strcpy(author, ""); break; case DCT: strcpy(name, "dct"); - strcpy(pretty_name, "Discrete Cosine Transform"); + strcpy(p_name, "Discrete Cosine Transform"); + strcpy(desc, "Extract the DCT of a signal"); + strcpy(p_desc, "Extract the DCT of an audio signal"); + strcpy(author, ""); break; case AUTOCORRELATION: strcpy(name, "autocorrelation"); - strcpy(pretty_name, "Autocorrelation"); + strcpy(p_name, "Autocorrelation"); + strcpy(desc, "Extract the autocorrelation of a signal"); + strcpy(p_desc, "Extract the autocorrelation of an audio signal"); + strcpy(author, ""); break; case AMDF: strcpy(name, "amdf"); - strcpy(pretty_name, "Average Magnitude Difference Function"); + strcpy(p_name, "Average Magnitude Difference Function"); + strcpy(desc, "Extract the AMDF of a signal"); + strcpy(p_desc, "Extract the AMDF of an audio signal"); + strcpy(author, ""); break; case ASDF: strcpy(name, "asdf"); - strcpy(pretty_name, "Average Squared Difference Function"); + strcpy(p_name, "Average Squared Difference Function"); + strcpy(desc, "Extract the ASDF of a signal"); + strcpy(p_desc, "Extract the ASDF of an audio signal"); + strcpy(author, ""); break; default: + strcpy(name, ""); + strcpy(desc, ""); + strcpy(p_desc, ""); + strcpy(author, ""); break; } } diff --git a/xtract/libxtract.h b/xtract/libxtract.h index 6f1c08f..c1bead7 100644 --- a/xtract/libxtract.h +++ b/xtract/libxtract.h @@ -133,7 +133,7 @@ enum return_codes_ { typedef enum type_ { FLOAT, INT, - MEL_FILTER, + MEL_FILTER } t_type; /** \brief Enumeration of units*/ @@ -163,8 +163,9 @@ typedef struct _function_descriptor { struct { char name[MAX_NAME_LENGTH]; - char pretty_name[MAX_NAME_LENGTH]; - char description[MAX_DESC_LENGTH]; + char p_name[MAX_NAME_LENGTH]; /* pretty name */ + char desc[MAX_DESC_LENGTH]; + char p_desc[MAX_DESC_LENGTH]; /* pretty description */ char author[MAX_AUTHOR_LENGTH]; int year; } algo; @@ -174,14 +175,15 @@ typedef struct _function_descriptor { t_unit unit; } data; - int n_args; + int argc; struct { - t_type type; + t_type type; /* type of the array/value pointed to by argv */ float min[MAXARGS]; float max[MAXARGS]; - float def[MAXARGS]; + float def[MAXARGS]; /* defaults */ t_unit unit[MAXARGS]; + char donor[MAXARGS]; /* suggested donor functions for argv */ } argv; t_bool is_scalar; |