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57 lines
2.0 KiB
57 lines
2.0 KiB
5 years ago
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/*
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Calf Box, an open source musical instrument.
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Copyright (C) 2010-2013 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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#include "master.h"
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#include "seq.h"
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struct cbox_adhoc_pattern *cbox_adhoc_pattern_new(struct cbox_engine *engine, int id, struct cbox_midi_pattern *pattern)
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{
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struct cbox_adhoc_pattern *ap = calloc(1, sizeof(struct cbox_adhoc_pattern));
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ap->next = NULL;
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ap->pattern = pattern;
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ap->pattern_playback = cbox_midi_pattern_playback_new(pattern);
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ap->master = cbox_master_new(engine);
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cbox_midi_playback_active_notes_init(&ap->active_notes);
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cbox_midi_clip_playback_init(&ap->playback, &ap->active_notes, ap->master);
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cbox_midi_buffer_init(&ap->output_buffer);
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ap->id = id;
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ap->completed = FALSE;
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return ap;
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}
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void cbox_adhoc_pattern_render(struct cbox_adhoc_pattern *ap, uint32_t offset, uint32_t nsamples)
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{
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if (ap->completed)
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{
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cbox_midi_playback_active_notes_release(&ap->active_notes, &ap->output_buffer, NULL);
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return;
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}
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if (ap->playback.pos >= ap->playback.pattern->event_count)
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ap->completed = TRUE;
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cbox_midi_clip_playback_render(&ap->playback, &ap->output_buffer, offset, nsamples, FALSE);
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}
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void cbox_adhoc_pattern_destroy(struct cbox_adhoc_pattern *ap)
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{
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// XXXKF decide on pattern ownership and general object lifetime issues
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cbox_midi_pattern_playback_destroy(ap->playback.pattern);
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cbox_master_destroy(ap->master);
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free(ap);
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}
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