basic Midi latency measurement GUI (re-use Audio latency notebook)
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81182b5bf6
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@ -40,6 +40,7 @@
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#include "ardour/audio_backend.h"
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#include "ardour/audioengine.h"
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#include "ardour/mtdm.h"
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#include "ardour/mididm.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/types.h"
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@ -80,7 +81,8 @@ EngineControl::EngineControl ()
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, lm_measure_label (_("Measure"))
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, lm_use_button (_("Use results"))
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, lm_back_button (_("Back to settings ... (ignore results)"))
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, lm_button (_("Calibrate..."))
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, lm_button_audio (_("Calibrate Audio"))
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, lm_button_midi (_("Calibrate Midi"))
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, lm_table (12, 3)
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, have_lm_results (false)
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, lm_running (false)
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@ -88,6 +90,7 @@ EngineControl::EngineControl ()
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, ignore_changes (0)
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, _desired_sample_rate (0)
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, started_at_least_once (false)
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, _measure_midi(false)
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{
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using namespace Notebook_Helpers;
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vector<string> strings;
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@ -335,8 +338,12 @@ EngineControl::EngineControl ()
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basic_packer.attach (*label, 0, 1, 0, 1, xopt, (AttachOptions) 0);
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basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions) 0);
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lm_button.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_latency));
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lm_button.set_name ("generic button");
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lm_button_audio.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_audio_latency));
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lm_button_audio.set_name ("generic button");
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lm_button_midi.signal_clicked.connect (sigc::mem_fun (*this, &EngineControl::calibrate_midi_latency));
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lm_button_midi.set_name ("generic button");
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if (_have_control) {
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build_full_control_notebook ();
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} else {
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@ -445,12 +452,13 @@ EngineControl::EngineControl ()
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/* button spans 2 rows */
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basic_packer.attach (lm_button, 3, 4, row-1, row+1, xopt, xopt);
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basic_packer.attach (lm_button_audio, 3, 4, row-1, row+1, xopt, xopt);
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++row;
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label = manage (left_aligned_label (_("MIDI System")));
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basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions) 0);
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basic_packer.attach (midi_option_combo, 1, 2, row, row + 1, SHRINK, (AttachOptions) 0);
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basic_packer.attach (lm_button_midi, 3, 4, row, row+1, xopt, xopt);
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row++;
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}
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@ -515,8 +523,9 @@ EngineControl::EngineControl ()
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vector<string> outputs;
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vector<string> inputs;
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ARDOUR::AudioEngine::instance()->get_physical_outputs (ARDOUR::DataType::AUDIO, outputs);
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ARDOUR::AudioEngine::instance()->get_physical_inputs (ARDOUR::DataType::AUDIO, inputs);
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ARDOUR::DataType const type = _measure_midi ? ARDOUR::DataType::MIDI : ARDOUR::DataType::AUDIO;
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ARDOUR::AudioEngine::instance()->get_physical_outputs (type, outputs);
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ARDOUR::AudioEngine::instance()->get_physical_inputs (type, inputs);
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if (inputs.empty() || outputs.empty()) {
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MessageDialog msg (_("Your selected audio configuration is playback- or capture-only.\n\nLatency calibration requires playback and capture"));
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@ -1639,58 +1648,117 @@ EngineControl::EngineControl ()
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/* latency measurement */
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bool
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EngineControl::check_latency_measurement ()
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{
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MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
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bool
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EngineControl::check_audio_latency_measurement ()
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{
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MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
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if (mtdm->resolve () < 0) {
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lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
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return true;
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}
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if (mtdm->resolve () < 0) {
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lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
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return true;
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}
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if (mtdm->err () > 0.3) {
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mtdm->invert ();
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mtdm->resolve ();
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}
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if (mtdm->err () > 0.3) {
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mtdm->invert ();
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mtdm->resolve ();
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}
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char buf[128];
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ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
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char buf[256];
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ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
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if (sample_rate == 0) {
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lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
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ARDOUR::AudioEngine::instance()->stop_latency_detection ();
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return false;
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}
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if (sample_rate == 0) {
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lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
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ARDOUR::AudioEngine::instance()->stop_latency_detection ();
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return false;
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}
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uint32_t frames_total = mtdm->del();
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uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
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int frames_total = mtdm->del();
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int extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
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snprintf (buf, sizeof (buf), "%u samples / %.3lf ms", extra, extra * 1000.0f/sample_rate);
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snprintf (buf, sizeof (buf), "%s%d samples (%.3lf ms)\n%s%d samples (%.3lf ms)",
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_("Detected roundtrip latency: "),
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frames_total, frames_total * 1000.0f/sample_rate,
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_("Systemic latency: "),
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extra, extra * 1000.0f/sample_rate);
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bool solid = true;
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bool solid = true;
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if (mtdm->err () > 0.2) {
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strcat (buf, " ");
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strcat (buf, _("(signal detection error)"));
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solid = false;
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}
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if (mtdm->err () > 0.2) {
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strcat (buf, " ");
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strcat (buf, _("(signal detection error)"));
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solid = false;
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}
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if (mtdm->inv ()) {
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strcat (buf, " ");
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strcat (buf, _("(inverted - bad wiring)"));
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solid = false;
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}
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if (mtdm->inv ()) {
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strcat (buf, " ");
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strcat (buf, _("(inverted - bad wiring)"));
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solid = false;
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}
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if (solid) {
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end_latency_detection ();
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lm_use_button.set_sensitive (true);
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have_lm_results = true;
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}
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lm_results.set_markup (string_compose (results_markup, string_compose (_("Detected roundtrip latency: %1"), buf)));
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if (solid) {
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end_latency_detection ();
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lm_use_button.set_sensitive (true);
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have_lm_results = true;
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}
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return true;
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lm_results.set_markup (string_compose (results_markup, buf));
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return true;
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}
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bool
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EngineControl::check_midi_latency_measurement ()
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{
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ARDOUR::MIDIDM* mididm = ARDOUR::AudioEngine::instance()->mididm ();
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if (!mididm->have_signal () || mididm->latency () == 0) {
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lm_results.set_markup (string_compose (results_markup, _("No signal detected ")));
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return true;
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}
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char buf[256];
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ARDOUR::framecnt_t const sample_rate = ARDOUR::AudioEngine::instance()->sample_rate();
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if (sample_rate == 0) {
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lm_results.set_markup (string_compose (results_markup, _("Disconnected from audio engine")));
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ARDOUR::AudioEngine::instance()->stop_latency_detection ();
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return false;
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}
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ARDOUR::framecnt_t frames_total = mididm->latency();
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ARDOUR::framecnt_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
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snprintf (buf, sizeof (buf), "%s%" PRId64" samples (%.1lf ms) dev: %.2f[spl]\n%s%" PRId64" samples (%.1lf ms)",
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_("Detected roundtrip latency: "),
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frames_total, frames_total * 1000.0f / sample_rate, mididm->deviation (),
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_("Systemic latency: "),
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extra, extra * 1000.0f / sample_rate);
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bool solid = true;
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if (!mididm->ok ()) {
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strcat (buf, " ");
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strcat (buf, _("(averaging)"));
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solid = false;
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}
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if (mididm->deviation () > 50.0) {
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strcat (buf, " ");
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strcat (buf, _("(too large jitter)"));
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solid = false;
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} else if (mididm->deviation () > 10.0) {
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strcat (buf, " ");
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strcat (buf, _("(large jitter)"));
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}
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if (solid) {
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end_latency_detection ();
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lm_use_button.set_sensitive (false); // XXX TODO
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have_lm_results = true;
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}
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lm_results.set_markup (string_compose (results_markup, buf));
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return true;
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}
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void
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@ -1699,9 +1767,13 @@ EngineControl::start_latency_detection ()
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ARDOUR::AudioEngine::instance()->set_latency_input_port (lm_input_channel_combo.get_active_text());
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ARDOUR::AudioEngine::instance()->set_latency_output_port (lm_output_channel_combo.get_active_text());
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if (ARDOUR::AudioEngine::instance()->start_latency_detection (false) == 0) {
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if (ARDOUR::AudioEngine::instance()->start_latency_detection (_measure_midi) == 0) {
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lm_results.set_markup (string_compose (results_markup, _("Detecting ...")));
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latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_latency_measurement), 100);
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if (_measure_midi) {
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latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_midi_latency_measurement), 100);
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} else {
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latency_timeout = Glib::signal_timeout().connect (mem_fun (*this, &EngineControl::check_audio_latency_measurement), 100);
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}
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lm_measure_label.set_text (_("Cancel"));
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have_lm_results = false;
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lm_use_button.set_sensitive (false);
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@ -1734,25 +1806,27 @@ EngineControl::latency_button_clicked ()
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start_latency_detection ();
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} else {
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end_latency_detection ();
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}
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}
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}
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void
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EngineControl::use_latency_button_clicked ()
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{
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MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
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if (_measure_midi) {
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MTDM* mtdm = ARDOUR::AudioEngine::instance()->mtdm ();
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if (!mtdm) {
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return;
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if (!mtdm) {
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return;
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}
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uint32_t frames_total = mtdm->del();
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uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
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uint32_t one_way = extra/2;
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input_latency_adjustment.set_value (one_way);
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output_latency_adjustment.set_value (one_way);
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}
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uint32_t frames_total = mtdm->del();
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uint32_t extra = frames_total - ARDOUR::AudioEngine::instance()->latency_signal_delay();
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uint32_t one_way = extra/2;
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input_latency_adjustment.set_value (one_way);
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output_latency_adjustment.set_value (one_way);
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/* back to settings page */
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notebook.set_current_page (0);
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@ -1809,8 +1883,16 @@ EngineControl::connect_disconnect_click()
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}
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void
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EngineControl::calibrate_latency ()
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EngineControl::calibrate_audio_latency ()
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{
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_measure_midi = false;
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notebook.set_current_page (latency_tab);
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}
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void
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EngineControl::calibrate_midi_latency ()
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{
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_measure_midi = true;
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notebook.set_current_page (latency_tab);
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}
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@ -90,7 +90,8 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
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Gtk::Button lm_measure_button;
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Gtk::Button lm_use_button;
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Gtk::Button lm_back_button;
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ArdourButton lm_button;
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ArdourButton lm_button_audio;
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ArdourButton lm_button_midi;
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Gtk::Label lm_title;
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Gtk::Label lm_results;
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Gtk::Table lm_table;
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@ -196,7 +197,8 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
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/* latency measurement */
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void latency_button_clicked ();
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bool check_latency_measurement ();
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bool check_audio_latency_measurement ();
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bool check_midi_latency_measurement ();
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sigc::connection latency_timeout;
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void enable_latency_tab ();
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void disable_latency_tab ();
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@ -212,7 +214,9 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
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PBD::ScopedConnection stopped_connection;
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void connect_disconnect_click ();
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void calibrate_latency ();
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void calibrate_audio_latency ();
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void calibrate_midi_latency ();
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bool _measure_midi;
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};
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#endif /* __gtk2_ardour_engine_dialog_h__ */
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