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Phase 13: protect recordings and recover retained audio after write failures

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This commit is contained in:
Johannes Findeisen 2026-10-27 03:46:09 +01:00
commit 01d9db90fd
15 changed files with 308 additions and 30 deletions
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8
tests/unit/test_audio.c
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@ -90,7 +90,7 @@ int main(void)
}
/* Recording ring wraps, exact samples survive WAV -> project -> reopen. */
for (i = 0; i < 64; ++i) input[i] = i % 2 ? -0.5f : 0.25f;
assert(xtc_recorder_create(take, 48000, 128, &rec) == XTC_OK);
assert(xtc_recorder_create_replace(take, 48000, 128, 1, &rec) == XTC_OK);
for (i = 0; i < 10; ++i) {
xtc_recorder_push(rec, input, 64);
assert(xtc_recorder_drain(rec) == XTC_OK);
@ -137,18 +137,18 @@ int main(void)
}
xtc_project_destroy(p); xtc_project_destroy(q);
/* Overflow is sticky, partial file recoverable, destination unchanged until finish. */
assert(xtc_recorder_create(take, 48000, 64, &rec) == XTC_OK);
assert(xtc_recorder_create_replace(take, 48000, 64, 1, &rec) == XTC_OK);
xtc_recorder_push(rec, input, 64); xtc_recorder_push(rec, input, 1);
assert(xtc_recorder_status(rec, &frames) == XTC_ERR_CAPACITY && frames == 64);
assert(xtc_recorder_finish(rec) == XTC_ERR_CAPACITY); xtc_recorder_destroy(rec);
assert(xtc_recorder_create(take, 48000, 64, &rec) == XTC_OK);
assert(xtc_recorder_create_replace(take, 48000, 64, 1, &rec) == XTC_OK);
xtc_recorder_push(rec, NULL, 1);
assert(xtc_recorder_status(rec, &frames) == XTC_ERR_IO);
xtc_recorder_destroy(rec);
/* Actual concurrent producer/control consumer; no GUI or JACK required. */
{
stress s = {0}; pthread_t thread;
assert(xtc_recorder_create(take, 48000, 524288, &rec) == XTC_OK); s.r = rec;
assert(xtc_recorder_create_replace(take, 48000, 524288, 1, &rec) == XTC_OK); s.r = rec;
assert(pthread_create(&thread, NULL, producer, &s) == 0);
while (!__atomic_load_n(&s.complete, __ATOMIC_ACQUIRE)) assert(xtc_recorder_drain(rec) == XTC_OK);
assert(pthread_join(thread, NULL) == 0);

4
tests/unit/test_backend.c
View file

@ -212,7 +212,7 @@ int main(void)
CHECK(xtc_project_add_track(p, "Take", &track) == XTC_OK);
CHECK(xtc_backend_open(&config, &backend) == XTC_OK);
CHECK(xtc_backend_prepare_project(backend, p) == XTC_OK);
CHECK(xtc_recorder_create(take, 48000, 256, &recorder) == XTC_OK);
CHECK(xtc_recorder_create_replace(take, 48000, 256, 1, &recorder) == XTC_OK);
CHECK(xtc_backend_set_recorder(backend, recorder) == XTC_OK);
CHECK(xtc_backend_start(backend) == XTC_OK);
CHECK(xtc_backend_set_recorder(backend, NULL) == XTC_ERR_INVALID_STATE);
@ -229,7 +229,7 @@ int main(void)
CHECK(xtc_recorder_finish(recorder) == XTC_OK);
CHECK(xtc_recorder_status(recorder, &captured) == XTC_OK && captured == 64);
xtc_recorder_destroy(recorder);
CHECK(xtc_recorder_create(take, 48000, 256, &recorder) == XTC_OK);
CHECK(xtc_recorder_create_replace(take, 48000, 256, 1, &recorder) == XTC_OK);
CHECK(xtc_backend_set_recorder(backend, recorder) == XTC_OK && xtc_backend_start(backend) == XTC_OK);
null_buffer = 1; CHECK(process_cb(32, context) == 0); null_buffer = 0;
CHECK(process_cb(32, context) == 0); /* Never silently resume after missing callback data. */