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smarter string initialization

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Connor Olding 2013-11-10 20:20:02 -08:00
parent 0f7a6e3ee1
commit 191a384483
1 changed files with 38 additions and 51 deletions
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89
crap_eq.c
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@ -29,25 +29,17 @@ typedef unsigned long ulong;
#define BW_MAX 8
void __attribute__ ((constructor)) eq_init();
void __attribute__ ((destructor)) eq_fini();
static const char *gain_desc = "Band %i Gain [dB]";
static const char *freq_desc = "Band %i Freq [Hz]";
static const char *band_desc = "Band %i Bandwidth [octaves]";
#define NAME_SIZE 32
LADSPA_PortDescriptor p_discs[PCOUNT];
LADSPA_PortRangeHint p_hints[PCOUNT];
char name_buffer[PCOUNT*NAME_SIZE];
char *p_names[PCOUNT];
static LADSPA_Descriptor eqDescriptor = {
.UniqueID = 0xCAFED,
.Label = "crap_eq",
.Properties = 0,
.Name = "crap Parametric Equalizer",
.Maker = "Connor Olding",
.Copyright = "MIT",
.PortCount = PCOUNT,
.PortDescriptors = p_discs,
.PortRangeHints = p_hints,
.PortNames = p_names
};
typedef struct {
LADSPA_Data *chg[BANDS];
LADSPA_Data *chf[BANDS];
@ -62,13 +54,6 @@ typedef struct {
LADSPA_Data fs;
} eq_t;
const LADSPA_Descriptor *
ladspa_descriptor(ulong index) {
if (index != 0)
return NULL;
return &eqDescriptor;
}
static void
activate_eq(LADSPA_Handle instance) {
eq_t *eq = (eq_t *)instance;
@ -159,14 +144,41 @@ run_eq(LADSPA_Handle instance, ulong sample_count) {
}
}
static const char *gain_desc = "Band %i Gain [dB]";
static const char *freq_desc = "Band %i Freq [Hz]";
static const char *band_desc = "Band %i Bandwidth [octaves]";
static LADSPA_Descriptor eqDescriptor = {
.UniqueID = 0xCAFED,
.Label = "crap_eq",
.Properties = 0,
.Name = "crap Parametric Equalizer",
.Maker = "Connor Olding",
.Copyright = "MIT",
.PortCount = PCOUNT,
.PortDescriptors = p_discs,
.PortRangeHints = p_hints,
.PortNames = p_names,
.activate = activate_eq,
.cleanup = cleanup_eq,
.connect_port = connect_port_eq,
.deactivate = NULL,
.instantiate = instantiate_eq,
.run = run_eq,
.run_adding = NULL,
.set_run_adding_gain = NULL
};
const LADSPA_Descriptor *
ladspa_descriptor(ulong index) {
if (index != 0)
return NULL;
return &eqDescriptor;
}
void
eq_init() {
#define INCTRL (LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL)
#define BOUNDED (LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE)
for (int i = 0; i < PCOUNT; i++)
p_names[i] = &name_buffer[i*NAME_SIZE];
for (int i = 0; i < BANDS; i++) {
const int gi = i;
const int fi = i + BANDS;
@ -176,9 +188,6 @@ eq_init() {
p_discs[fi] = INCTRL;
p_discs[bi] = INCTRL;
p_names[gi] = calloc(strlen(gain_desc), sizeof(char));
p_names[fi] = calloc(strlen(freq_desc), sizeof(char));
p_names[bi] = calloc(strlen(band_desc), sizeof(char));
sprintf(p_names[gi], gain_desc, i);
sprintf(p_names[fi], freq_desc, i);
sprintf(p_names[bi], band_desc, i);
@ -200,32 +209,10 @@ eq_init() {
}
p_discs[EQ_INPUT] = LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO;
p_names[EQ_INPUT] = "Input";
strcpy(p_names[EQ_INPUT], "Input");
p_hints[EQ_INPUT].HintDescriptor = 0;
p_discs[EQ_OUTPUT] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO;
p_names[EQ_OUTPUT] = "Output";
strcpy(p_names[EQ_OUTPUT], "Output");
p_hints[EQ_OUTPUT].HintDescriptor = 0;
eqDescriptor.activate = activate_eq;
eqDescriptor.cleanup = cleanup_eq;
eqDescriptor.connect_port = connect_port_eq;
eqDescriptor.deactivate = NULL;
eqDescriptor.instantiate = instantiate_eq;
eqDescriptor.run = run_eq;
eqDescriptor.run_adding = NULL;
eqDescriptor.set_run_adding_gain = NULL;
}
void
eq_fini() {
for (int i = 0; i < BANDS; i++) {
const int gi = i;
const int fi = i + BANDS;
const int bi = i + BANDS*2;
free(p_names[gi]);
free(p_names[fi]);
free(p_names[bi]);
}
}