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move engine to engine/

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This commit is contained in:
Loic Coenen
2026-05-13 17:55:59 +00:00
parent 10d0269a5a
commit f3dde6b668
38 changed files with 3141 additions and 0 deletions
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89
engine/tests/test_audio.c Normal file
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#include "test_common.h"
static int test_audio_pass_through(void) {
printf("Test: audio pass‑through (connectivity)\n");
pid_t pid = start_looper();
if (pid < 0) return 1;
jack_client_t *client;
jack_status_t status;
client = jack_client_open("test_passthrough", JackNoStartServer, &status);
if (client == NULL) {
fprintf(stderr, " SKIP: cannot open JACK client (server not running?)\n");
kill(pid, SIGTERM);
waitpid(pid, NULL, 0);
return 1;
}
jack_port_t *output_port = jack_port_register(client, "output",
JACK_DEFAULT_AUDIO_TYPE,
JackPortIsOutput, 0);
jack_port_t *input_port = jack_port_register(client, "input",
JACK_DEFAULT_AUDIO_TYPE,
JackPortIsInput, 0);
if (!output_port || !input_port) {
fprintf(stderr, " FAIL: could not register ports\n");
jack_client_close(client);
kill(pid, SIGTERM);
waitpid(pid, NULL, 0);
return 1;
}
safe_usleep(200000);
const char *looper_input = "looper:input";
const char *looper_output = "looper:output";
char my_output[64], my_input[64];
snprintf(my_output, sizeof(my_output), "test_passthrough:output");
snprintf(my_input, sizeof(my_input), "test_passthrough:input");
if (jack_connect(client, my_output, looper_input) != 0) {
fprintf(stderr, " FAIL: cannot connect\n");
jack_client_close(client);
kill(pid, SIGTERM);
waitpid(pid, NULL, 0);
return 1;
}
if (jack_connect(client, looper_output, my_input) != 0) {
fprintf(stderr, " FAIL: cannot connect\n");
jack_client_close(client);
kill(pid, SIGTERM);
waitpid(pid, NULL, 0);
return 1;
}
passthrough_output_port = output_port;
passthrough_input_port = input_port;
passthrough_phase = 0.0f;
passthrough_freq = 440.0f;
passthrough_sample_rate = jack_get_sample_rate(client);
passthrough_total_samples = 0;
passthrough_sum_sq = 0.0;
passthrough_done = 0;
continuous_sine = 1;
beep_remaining = 0;
jack_set_process_callback(client, passthrough_process, NULL);
if (jack_activate(client) != 0) {
fprintf(stderr, " FAIL: cannot activate client\n");
jack_client_close(client);
kill(pid, SIGTERM);
waitpid(pid, NULL, 0);
return 1;
}
safe_usleep(2200000);
int saw_input = passthrough_done;
double rms = passthrough_total_samples > 0 ?
sqrt(passthrough_sum_sq / passthrough_total_samples) : 0.0;
jack_deactivate(client);
jack_client_close(client);
kill(pid, SIGTERM);
waitpid(pid, NULL, 0);
if (!saw_input) {
fprintf(stderr, " FAIL: looper did not produce output (no callback run?)\n");
return 1;
}
if (rms < 0.001) {
fprintf(stderr, " FAIL: looper output RMS too small (%.6f)\n", rms);
return 1;
}
printf(" PASS (RMS %.6f)\n", rms);
return 0;
}
int test_audio(void) {
return test_audio_pass_through();
}