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