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bluez5: implement BLE MIDI parser

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This commit is contained in:
Pauli Virtanen 2022-11-01 23:34:12 +02:00 • committed by Wim Taymans
parent 931e8da3ea
commit e3cf7f6d87
3 changed files with 237 additions and 0 deletions
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31
spa/plugins/bluez5/midi.h
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@ -42,4 +42,35 @@
#define BT_MIDI_SERVICE_UUID "03b80e5a-ede8-4b33-a751-6ce34ec4c700"
#define BT_MIDI_CHR_UUID "7772e5db-3868-4112-a1a9-f2669d106bf3"
#define MIDI_BUF_SIZE 8192
struct spa_bt_midi_parser {
unsigned int size;
unsigned int sysex:1;
uint8_t buf[MIDI_BUF_SIZE];
};
static inline void spa_bt_midi_parser_init(struct spa_bt_midi_parser *parser)
{
parser->size = 0;
parser->sysex = 0;
}
static inline void spa_bt_midi_parser_dup(struct spa_bt_midi_parser *src, struct spa_bt_midi_parser *dst, bool only_time)
{
dst->size = src->size;
dst->sysex = src->sysex;
if (!only_time)
memcpy(dst->buf, src->buf, src->size);
}
/**
* Parse a single BLE MIDI data packet to normalized MIDI events.
*/
int spa_bt_midi_parser_parse(struct spa_bt_midi_parser *parser,
const uint8_t *src, size_t src_size,
bool only_time,
void (*event)(void *user_data, uint16_t time, uint8_t *event, size_t event_size),
void *user_data);
#endif