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/*
Calf Box, an open source musical instrument.
Copyright (C) 2010-2011 Krzysztof Foltman
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CBOX_SAMPLER_IMPL_H
#define CBOX_SAMPLER_IMPL_H
extern void sampler_gen_reset(struct sampler_gen *v);
extern uint32_t sampler_gen_sample_playback(struct sampler_gen *v, float *leftright, uint32_t limit);
extern void sampler_program_change_byidx(struct sampler_module *m, struct sampler_channel *c, int program_idx);
extern void sampler_program_change(struct sampler_module *m, struct sampler_channel *c, int program);
static inline int sfz_note_from_string(const char *note)
{
static const int semis[] = {9, 11, 0, 2, 4, 5, 7};
int pos;
int nn = tolower(note[0]);
int nv;
if ((nn >= '0' && nn <= '9') || nn == '-')
{
int nv = atoi(note);
if (nv >= -1 && nv <= 127)
return nv;
return -2;
}
if (nn < 'a' || nn > 'g')
return -2;
nv = semis[nn - 'a'];
for (pos = 1; tolower(note[pos]) == 'b' || note[pos] == '#'; pos++)
nv += (note[pos] != '#') ? -1 : +1;
if ((note[pos] == '-' && note[pos + 1] == '1' && note[pos + 2] == '\0') || (note[pos] >= '0' && note[pos] <= '9' && note[pos + 1] == '\0'))
{
return nv + 12 * (1 + atoi(note + pos));
}
return -2;
}
static inline gboolean atof_C_verify(const char *key, const char *value, double *result, GError **error)
{
char *endptr = NULL;
double res = g_ascii_strtod(value, &endptr);
if (endptr && !*endptr && endptr != value)
{
*result = res;
return TRUE;
}
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "'%s' is not a correct numeric value for %s", value, key);
return FALSE;
}
#endif