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/* PipeWire
*
* Copyright © 2020 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <spa/utils/defs.h>
struct midi_file;
struct midi_event {
uint32_t track;
double sec;
uint8_t *data;
uint32_t size;
struct {
uint32_t offset;
uint32_t size;
union {
struct {
uint32_t uspqn; /* microseconds per quarter note */
} tempo;
} parsed;
} meta;
};
struct midi_file_info {
uint16_t format;
uint16_t ntracks;
uint16_t division;
};
struct midi_file *
midi_file_open(const char *filename, const char *mode, struct midi_file_info *info);
int midi_file_close(struct midi_file *mf);
int midi_file_next_time(struct midi_file *mf, double *sec);
int midi_file_read_event(struct midi_file *mf, struct midi_event *event);
int midi_file_write_event(struct midi_file *mf, const struct midi_event *event);
int midi_file_dump_event(FILE *out, const struct midi_event *event);
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