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#include <spa/utils/defs.h>
#include "midi.h"
#define TIME_HI(v) (0x80 | ((v >> 7) & 0x3f))
#define TIME_LO(v) (0x80 | (v & 0x7f))
struct event {
uint16_t time_msec;
size_t size;
const uint8_t *data;
};
struct packet {
size_t size;
const uint8_t *data;
};
struct test_info {
const struct packet *packets;
const struct event *events;
unsigned int i;
};
static const struct packet midi_1_packets[] = {
{
.size = 27,
.data = (uint8_t[]) {
TIME_HI(0x1234),
/* event 1 */
TIME_LO(0x1234), 0xa0, 0x01, 0x02,
/* event 2: running status */
0x03, 0x04,
/* event 3: running status with timestamp */
TIME_LO(0x1235), 0x05, 0x06,
/* event 4 */
TIME_LO(0x1236), 0xf8,
/* event 5: sysex */
TIME_LO(0x1237), 0xf0, 0x0a, 0x0b, 0x0c,
/* event 6: realtime event inside sysex */
TIME_LO(0x1238), 0xff,
/* event 5 continues */
0x0d, 0x0e, TIME_LO(0x1239), 0xf7,
/* event 6: sysex */
TIME_LO(0x1240), 0xf0, 0x10, 0x11,
/* packet end in middle of sysex */
},
},
{
.size = 7,
.data = (uint8_t[]) {
TIME_HI(0x1241),
/* event 6: continued from previous packet */
0x12, TIME_LO(0x1241), 0xf7,
/* event 7 */
TIME_LO(0x1242), 0xf1, 0x13,
}
},
{0}
};
static const struct event midi_1_events[] = {
{ 0x1234, 3, (uint8_t[]) { 0xa0, 0x01, 0x02 } },
{ 0x1234, 3, (uint8_t[]) { 0xa0, 0x03, 0x04 } },
{ 0x1235, 3, (uint8_t[]) { 0xa0, 0x05, 0x06 } },
{ 0x1236, 1, (uint8_t[]) { 0xf8 } },
/* realtime event inside sysex come before it */
{ 0x1238, 1, (uint8_t[]) { 0xff } },
/* sysex timestamp indicates the end time; sysex contains the end marker */
{ 0x1239, 7, (uint8_t[]) { 0xf0, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0xf7 } },
{ 0x1241, 5, (uint8_t[]) { 0xf0, 0x10, 0x11, 0x12, 0xf7 } },
{ 0x1242, 2, (uint8_t[]) { 0xf1, 0x13 } },
{0}
};
static const struct packet midi_1_packets_mtu14[] = {
{
.size = 11,
.data = (uint8_t[]) {
TIME_HI(0x1234),
TIME_LO(0x1234), 0xa0, 0x01, 0x02,
0x03, 0x04,
/* output Apple-style BLE; running status only for coincident time */
TIME_LO(0x1235), 0xa0, 0x05, 0x06,
},
},
{
.size = 11,
.data = (uint8_t[]) {
TIME_HI(0x1236),
TIME_LO(0x1236), 0xf8,
TIME_LO(0x1238), 0xff,
TIME_LO(0x1239), 0xf0, 0x0a, 0x0b, 0x0c, 0x0d,
},
},
{
.size = 11,
.data = (uint8_t[]) {
TIME_HI(0x1239),
0x0e, TIME_LO(0x1239), 0xf7,
TIME_LO(0x1241), 0xf0, 0x10, 0x11, 0x12, TIME_LO(0x1241), 0xf7
},
},
{
.size = 4,
.data = (uint8_t[]) {
TIME_HI(0x1242),
TIME_LO(0x1242), 0xf1, 0x13
},
},
{0}
};
static const struct packet midi_2_packets[] = {
{
.size = 9,
.data = (uint8_t[]) {
TIME_HI(0x1234),
/* event 1 */
TIME_LO(0x1234), 0xa0, 0x01, 0x02,
/* event 2: timestamp low bits rollover */
TIME_LO(0x12b3), 0xa0, 0x03, 0x04,
},
},
{
.size = 5,
.data = (uint8_t[]) {
TIME_HI(0x18b3),
/* event 3: timestamp high bits jump */
TIME_LO(0x18b3), 0xa0, 0x05, 0x06,
},
},
{0}
};
static const struct event midi_2_events[] = {
{ 0x1234, 3, (uint8_t[]) { 0xa0, 0x01, 0x02 } },
{ 0x12b3, 3, (uint8_t[]) { 0xa0, 0x03, 0x04 } },
{ 0x18b3, 3, (uint8_t[]) { 0xa0, 0x05, 0x06 } },
{0}
};
static const struct packet midi_2_packets_mtu11[] = {
/* Small MTU: only room for one event per packet */
{
.size = 5,
.data = (uint8_t[]) {
TIME_HI(0x1234), TIME_LO(0x1234), 0xa0, 0x01, 0x02,
},
},
{
.size = 5,
.data = (uint8_t[]) {
TIME_HI(0x12b3), TIME_LO(0x12b3), 0xa0, 0x03, 0x04,
},
},
{
.size = 5,
.data = (uint8_t[]) {
TIME_HI(0x18b3), TIME_LO(0x18b3), 0xa0, 0x05, 0x06,
},
},
{0}
};
static void check_event(void *user_data, uint16_t time, uint8_t *event, size_t event_size)
{
struct test_info *info = user_data;
const struct event *ev = &info->events[info->i];
spa_assert_se(ev->size > 0);
spa_assert_se(ev->time_msec == time);
spa_assert_se(ev->size == event_size);
spa_assert_se(memcmp(event, ev->data, ev->size) == 0);
++info->i;
}
static void check_parser(struct test_info *info)
{
struct spa_bt_midi_parser parser;
int res;
int i;
info->i = 0;
spa_bt_midi_parser_init(&parser);
for (i = 0; info->packets[i].size > 0; ++i) {
res = spa_bt_midi_parser_parse(&parser,
info->packets[i].data, info->packets[i].size,
false, check_event, info);
spa_assert_se(res == 0);
}
spa_assert_se(info->events[info->i].size == 0);
}
static void check_writer(struct test_info *info, unsigned int mtu)
{
struct spa_bt_midi_writer writer;
struct spa_bt_midi_parser parser;
unsigned int i, packet;
void SPA_UNUSED *buf = writer.buf;
spa_bt_midi_parser_init(&parser);
spa_bt_midi_writer_init(&writer, mtu);
packet = 0;
info->i = 0;
for (i = 0; info->events[i].size > 0; ++i) {
const struct event *ev = &info->events[i];
bool last = (info->events[i+1].size == 0);
int res;
do {
res = spa_bt_midi_writer_write(&writer,
ev->time_msec * SPA_NSEC_PER_MSEC, ev->data, ev->size);
spa_assert_se(res >= 0);
if (res || last) {
int r;
spa_assert_se(info->packets[packet].size > 0);
spa_assert_se(writer.size == info->packets[packet].size);
spa_assert_se(memcmp(writer.buf, info->packets[packet].data, writer.size) == 0);
++packet;
/* Test roundtrip */
r = spa_bt_midi_parser_parse(&parser, writer.buf, writer.size,
false, check_event, info);
spa_assert_se(r == 0);
}
} while (res);
}
spa_assert_se(info->packets[packet].size == 0);
spa_assert_se(info->events[info->i].size == 0);
}
static void test_midi_parser_1(void)
{
struct test_info info = {
.packets = midi_1_packets,
.events = midi_1_events,
};
check_parser(&info);
}
static void test_midi_parser_2(void)
{
struct test_info info = {
.packets = midi_2_packets,
.events = midi_2_events,
};
check_parser(&info);
}
static void test_midi_writer_1(void)
{
struct test_info info = {
.packets = midi_1_packets_mtu14,
.events = midi_1_events,
};
check_writer(&info, 14);
}
static void test_midi_writer_2(void)
{
struct test_info info = {
.packets = midi_2_packets,
.events = midi_2_events,
};
check_writer(&info, 23);
check_writer(&info, 12);
}
static void test_midi_writer_3(void)
{
struct test_info info = {
.packets = midi_2_packets_mtu11,
.events = midi_2_events,
};
check_writer(&info, 11);
}
int main(void)
{
test_midi_parser_1();
test_midi_parser_2();
test_midi_writer_1();
test_midi_writer_2();
test_midi_writer_3();
return 0;
}
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