SNAFU. Allow changing engine buffer-size while running
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1d0221349a
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@ -803,22 +803,10 @@ EngineControl::update_sensitivity ()
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if (get_popdown_string_count (buffer_size_combo) > 0) {
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if (!engine_running) {
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buffer_size_combo.set_sensitive (valid);
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} else if (backend->can_change_sample_rate_when_running()) {
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} else if (backend->can_change_buffer_size_when_running ()) {
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buffer_size_combo.set_sensitive (valid || !_have_control);
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} else {
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#if 1
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/* TODO
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* Currently there is no way to manually stop the
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* engine in order to re-configure it.
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* This needs to remain sensitive for now.
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*
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* (it's also handy to implicily
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* re-start the engine)
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*/
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buffer_size_combo.set_sensitive (true);
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#else
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buffer_size_combo.set_sensitive (false);
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#endif
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}
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} else {
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buffer_size_combo.set_sensitive (false);
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@ -1443,7 +1431,7 @@ EngineControl::set_buffersize_popdown_strings ()
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s.push_back (bufsize_as_string (*x));
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}
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uint32_t previous_size = 0;
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uint32_t previous_size = backend->buffer_size ();
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if (!buffer_size_combo.get_active_text().empty()) {
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previous_size = get_buffer_size ();
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}
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@ -1634,6 +1622,12 @@ void
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EngineControl::buffer_size_changed ()
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{
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DEBUG_ECONTROL ("buffer_size_changed");
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if (ARDOUR::AudioEngine::instance()->running()) {
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boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
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if (backend && backend->can_change_buffer_size_when_running ()) {
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backend->set_buffer_size (get_buffer_size());
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}
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}
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show_buffer_duration ();
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}
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@ -1869,7 +1863,7 @@ EngineControl::store_state (State state)
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void
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EngineControl::maybe_display_saved_state ()
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{
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if (!_have_control) {
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if (!_have_control || ARDOUR::AudioEngine::instance()->running ()) {
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return;
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}
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