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Phase 12: Improve audio transitions and verify sample-accurate timing

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This commit is contained in:
Johannes Findeisen 2026-10-27 03:37:19 +01:00
commit 05140c2e93
29 changed files with 795 additions and 33 deletions
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7
tests/integration/test_workflow.cpp
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@ -66,6 +66,8 @@ static std::vector<float> render(const xtc_project *project)
CHECK(xtc_graph_compile(xtc_project_graph(project), 48000, 256, &graph) == XTC_OK);
CHECK(xtc_audio_plan_create(project, 48000, &audio) == XTC_OK);
CHECK(xtc_midi_plan_create(project, 48000, &midi) == XTC_OK);
CHECK(xtc_audio_plan_set_fade_frames(audio, 240) == XTC_OK);
CHECK(xtc_midi_plan_set_fade_frames(midi, 240) == XTC_OK);
std::vector<float> result;
for (uint64_t pos = 0; pos < 96000; pos += 256) {
float al[256], ar[256], ml[256], mr[256], left[256], right[256];
@ -113,7 +115,7 @@ int main(int argc, char **argv)
CHECK(arranged.start_tick == 1920 && arranged.length_tick == 3840);
CHECK(window.import_audio(wave.c_str()) == XTC_OK);
expected = render(timeline->project());
CHECK(expected[0] > 0); // Imported audio is routed without graph-file edits.
CHECK(expected[0] == 0 && expected[2] > 0); // Imported audio is routed without graph-file edits.
CHECK(expected[2 * 48001] != 0); // Arranged notes also reach the output.
CHECK(xtc_graph_get_counts(xtc_project_graph(timeline->project()), &nodes, &edges) == XTC_OK);
CHECK(nodes == 3 && edges == 2); // Audio and instrument -> output.
@ -144,12 +146,13 @@ int main(int argc, char **argv)
auto *right_meter = dynamic_cast<Fl_Progress *>(button(window, "Output R"));
CHECK(left_meter && right_meter && left_meter->value() > 0 && right_meter->value() > 0);
CHECK(window.pause_playback() == XTC_OK);
pump(); // Fade completion is acknowledged by the GUI timer.
CHECK(left_meter->value() == 0 && right_meter->value() == 0);
uint64_t paused = timeline->position(); pump();
CHECK(timeline->position() == paused);
press(window, "Play"); pump();
CHECK(timeline->position() > paused);
press(window, "Stop");
press(window, "Stop"); pump();
paused = timeline->position(); pump(); CHECK(timeline->position() == paused);
press(window, "To start"); CHECK(timeline->position() == 0);
press(window, "Add MIDI clip");