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