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76 lines
2.8 KiB
76 lines
2.8 KiB
/*
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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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#ifndef CBOX_MIDIDEST_H
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#define CBOX_MIDIDEST_H
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#include "midi.h"
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#include <glib.h>
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struct cbox_command_target;
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struct cbox_rt;
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struct cbox_midi_source
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{
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struct cbox_midi_source *next;
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struct cbox_midi_buffer *data;
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uint32_t bpos;
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gboolean streaming;
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struct cbox_midi_merger **merger_ptr;
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};
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struct cbox_midi_merger
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{
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struct cbox_midi_source *inputs;
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struct cbox_midi_buffer *output;
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};
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void cbox_midi_merger_init(struct cbox_midi_merger *dest, struct cbox_midi_buffer *output);
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void cbox_midi_merger_render_to(struct cbox_midi_merger *dest, struct cbox_midi_buffer *output);
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static inline void cbox_midi_merger_render(struct cbox_midi_merger *dest)
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{
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if (dest->output)
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cbox_midi_merger_render_to(dest, dest->output);
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}
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struct cbox_midi_source **cbox_midi_merger_find_source(struct cbox_midi_merger *dest, struct cbox_midi_buffer *buffer);
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void cbox_midi_merger_connect(struct cbox_midi_merger *dest, struct cbox_midi_buffer *buffer, struct cbox_rt *rt, struct cbox_midi_merger **dest_ptr);
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void cbox_midi_merger_disconnect(struct cbox_midi_merger *dest, struct cbox_midi_buffer *buffer, struct cbox_rt *rt);
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void cbox_midi_merger_push(struct cbox_midi_merger *dest, struct cbox_midi_buffer *buffer, struct cbox_rt *rt);
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void cbox_midi_merger_close(struct cbox_midi_merger *dest, struct cbox_rt *rt);
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struct cbox_time_mapper
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{
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uint32_t (*map_time)(struct cbox_time_mapper *, uint32_t free_running_counter);
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};
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#define GET_RT_FROM_cbox_midi_appsink(appsink) ((appsink)->rt)
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struct cbox_midi_appsink
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{
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struct cbox_rt *rt;
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struct cbox_time_mapper *tmap;
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struct cbox_midi_buffer midibufs[2];
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int current_buffer;
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};
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extern void cbox_midi_appsink_init(struct cbox_midi_appsink *appsink, struct cbox_rt *rt, struct cbox_time_mapper *tmap);
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extern void cbox_midi_appsink_supply(struct cbox_midi_appsink *appsink, struct cbox_midi_buffer *buffer, uint32_t time_offset);
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extern const struct cbox_midi_buffer *cbox_midi_appsink_get_input_midi_data(struct cbox_midi_appsink *appsink);
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extern gboolean cbox_midi_appsink_send_to(struct cbox_midi_appsink *appsink, struct cbox_command_target *fb, GError **error);
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#endif
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