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Engine Dialog: remove I/O channel count setting 

This has no been useful since years. Both Ardour and JACK
backends always use all available ports and the setting was
only useful to "hide" excess ports.
This commit is contained in:
Robin Gareus 2022-06-30 19:16:20 +02:00
parent 2970cd4b70
commit bdf6570ea6
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 1 additions and 150 deletions
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134
gtk2_ardour/engine_dialog.cc
View File

@ -88,12 +88,6 @@ EngineControl::EngineControl ()
, input_latency (input_latency_adjustment)
, output_latency_adjustment (0, 0, 99999, 1)
, output_latency (output_latency_adjustment)
, input_channels_adjustment (0, 0, 256, 1)
, input_channels (input_channels_adjustment)
, output_channels_adjustment (0, 0, 256, 1)
, output_channels (output_channels_adjustment)
, ports_adjustment (128, 8, 1024, 1, 16)
, ports_spinner (ports_adjustment)
, control_app_button (_("Device Control Panel"))
, midi_devices_button (_("Midi Device Setup"))
, start_stop_button (_("Stop"))
@ -280,9 +274,6 @@ EngineControl::EngineControl ()
* channel counts hit zero.
*/
input_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &input_channels));
output_channels.signal_output().connect (sigc::bind (sigc::ptr_fun (&EngineControl::print_channel_count), &output_channels));
midi_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::configure_midi_devices));
midi_devices_button.set_name ("generic button");
midi_devices_button.set_can_focus(true);
@ -373,10 +364,6 @@ EngineControl::connect_changed_signals ()
sigc::mem_fun (*this, &EngineControl::latency_changed));
output_latency_connection = output_latency.signal_changed ().connect (
sigc::mem_fun (*this, &EngineControl::latency_changed));
input_channels_connection = input_channels.signal_changed ().connect (
sigc::mem_fun (*this, &EngineControl::channels_changed));
output_channels_connection = output_channels.signal_changed ().connect (
sigc::mem_fun (*this, &EngineControl::channels_changed));
}
void
@ -395,8 +382,6 @@ EngineControl::block_changed_signals ()
midi_option_combo_connection.block ();
input_latency_connection.block ();
output_latency_connection.block ();
input_channels_connection.block ();
output_channels_connection.block ();
}
}
@ -416,8 +401,6 @@ EngineControl::unblock_changed_signals ()
midi_option_combo_connection.unblock ();
input_latency_connection.unblock ();
output_latency_connection.unblock ();
input_channels_connection.unblock ();
output_channels_connection.unblock ();
}
}
@ -631,32 +614,6 @@ EngineControl::build_full_control_notebook ()
basic_packer.attach (control_app_button, 3, 4, row - ctrl_btn_span, row + 1, xopt, xopt);
row++;
input_channels.set_name ("InputChannels");
input_channels.set_can_focus ();
input_channels.set_digits (0);
input_channels.set_wrap (false);
output_channels.set_editable (true);
if (!ARDOUR::Profile->get_mixbus()) {
label = manage (left_aligned_label (_("Input channels:")));
basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
basic_packer.attach (input_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0);
++row;
}
output_channels.set_name ("OutputChannels");
output_channels.set_can_focus ();
output_channels.set_digits (0);
output_channels.set_wrap (false);
output_channels.set_editable (true);
if (!ARDOUR::Profile->get_mixbus()) {
label = manage (left_aligned_label (_("Output channels:")));
basic_packer.attach (*label, 0, 1, row, row+1, xopt, (AttachOptions) 0);
basic_packer.attach (output_channels, 1, 2, row, row+1, xopt, (AttachOptions) 0);
++row;
}
/* Prefer next available vertical slot, 1 row */
if (btn < row && !autostart_packed) {
basic_packer.attach (try_autostart_button, 3, 4, btn, btn + 1, xopt, xopt);
@ -872,13 +829,9 @@ EngineControl::update_sensitivity ()
valid = false;
input_latency.set_sensitive (false);
output_latency.set_sensitive (false);
input_channels.set_sensitive (false);
output_channels.set_sensitive (false);
} else {
input_latency.set_sensitive (true);
output_latency.set_sensitive (true);
input_channels.set_sensitive (!engine_running);
output_channels.set_sensitive (!engine_running);
}
if (get_popdown_string_count (buffer_size_combo) > 0) {
@ -1164,24 +1117,6 @@ EngineControl::update_midi_options ()
}
}
bool
EngineControl::print_channel_count (Gtk::SpinButton* sb)
{
if (ARDOUR::Profile->get_mixbus()) {
return true;
}
uint32_t cnt = (uint32_t) sb->get_value();
if (cnt == 0) {
sb->set_text (_("all available channels"));
} else {
char buf[32];
snprintf (buf, sizeof (buf), "%d", cnt);
sb->set_text (buf);
}
return true;
}
// @return true if there are drivers available
bool
EngineControl::set_driver_popdown_strings ()
@ -1823,11 +1758,6 @@ EngineControl::latency_changed ()
post_push ();
}
void
EngineControl::channels_changed ()
{
}
bool
EngineControl::set_state_for_backend (const string& backend)
{
@ -1973,8 +1903,6 @@ EngineControl::store_state (State state)
state->n_periods = get_nperiods ();
state->input_latency = get_input_latency ();
state->output_latency = get_output_latency ();
state->input_channels = get_input_channels ();
state->output_channels = get_output_channels ();
state->midi_option = get_midi_option ();
state->midi_devices = _midi_devices;
state->use_buffered_io = get_use_buffered_io ();
@ -2049,8 +1977,6 @@ EngineControl::get_state () const
node->set_property ("n-periods", (*i)->n_periods);
node->set_property ("input-latency", (*i)->input_latency);
node->set_property ("output-latency", (*i)->output_latency);
node->set_property ("input-channels", (*i)->input_channels);
node->set_property ("output-channels", (*i)->output_channels);
node->set_property ("lm-input", (*i)->lm_input);
node->set_property ("lm-output", (*i)->lm_output);
node->set_property ("active", (*i)->active);
@ -2144,8 +2070,6 @@ EngineControl::set_state (const XMLNode& root)
!grandchild->get_property ("buffer-size", state->buffer_size) ||
!grandchild->get_property ("input-latency", state->input_latency) ||
!grandchild->get_property ("output-latency", state->output_latency) ||
!grandchild->get_property ("input-channels", state->input_channels) ||
!grandchild->get_property ("output-channels", state->output_channels) ||
!grandchild->get_property ("active", state->active) ||
!grandchild->get_property ("use-buffered-io", state->use_buffered_io) ||
!grandchild->get_property ("midi-option", state->midi_option)) {
@ -2377,13 +2301,9 @@ EngineControl::push_state_to_backend (bool start)
bool change_bufsize = false;
bool change_nperiods = false;
bool change_latency = false;
bool change_channels = false;
bool change_midi = false;
bool change_buffered_io = false;
uint32_t ochan = get_output_channels ();
uint32_t ichan = get_input_channels ();
if (_have_control) {
if (started_at_least_once) {
@ -2436,24 +2356,6 @@ EngineControl::push_state_to_backend (bool start)
}
}
/* zero-requested channels means "all available" */
if (ichan == 0) {
ichan = backend->input_channels();
}
if (ochan == 0) {
ochan = backend->output_channels();
}
if (ichan != backend->input_channels()) {
change_channels = true;
}
if (ochan != backend->output_channels()) {
change_channels = true;
}
if (get_input_latency() != backend->systemic_input_latency() ||
get_output_latency() != backend->systemic_output_latency()) {
change_latency = true;
@ -2468,11 +2370,9 @@ EngineControl::push_state_to_backend (bool start)
}
change_rate = true;
change_bufsize = true;
change_channels = true;
change_latency = true;
change_midi = true;
change_buffered_io = backend->can_use_buffered_io();
change_channels = true;
change_nperiods = backend->can_set_period_size() && get_popdown_string_count (nperiods_combo) > 0;
}
@ -2531,7 +2431,7 @@ EngineControl::push_state_to_backend (bool start)
/* determine if we need to stop the backend before changing parameters */
if (change_driver || change_device || change_channels || change_nperiods ||
if (change_driver || change_device || change_nperiods ||
(change_latency && !backend->can_change_systemic_latency_when_running ()) ||
(change_rate && !backend->can_change_sample_rate_when_running()) ||
change_midi || change_buffered_io ||
@ -2582,16 +2482,6 @@ EngineControl::push_state_to_backend (bool start)
return 1;
}
if (change_channels || get_input_channels() == 0 || get_output_channels() == 0) {
if (backend->set_input_channels (get_input_channels())) {
error << string_compose (_("Cannot set input channels to %1"), get_input_channels()) << endmsg;
return 1;
}
if (backend->set_output_channels (get_output_channels())) {
error << string_compose (_("Cannot set output channels to %1"), get_output_channels()) << endmsg;
return 1;
}
}
if (change_latency) {
if (backend->set_systemic_input_latency (get_input_latency())) {
error << string_compose (_("Cannot set input latency to %1"), get_input_latency()) << endmsg;
@ -2728,28 +2618,6 @@ EngineControl::get_use_buffered_io () const
return use_buffered_io_button.get_active();
}
uint32_t
EngineControl::get_input_channels() const
{
if (ARDOUR::Profile->get_mixbus()) {
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
if (!backend) return 0;
return backend->input_channels();
}
return (uint32_t) input_channels_adjustment.get_value();
}
uint32_t
EngineControl::get_output_channels() const
{
if (ARDOUR::Profile->get_mixbus()) {
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
if (!backend) return 0;
return backend->input_channels();
}
return (uint32_t) output_channels_adjustment.get_value();
}
uint32_t
EngineControl::get_input_latency() const
{

17
gtk2_ardour/engine_dialog.h
View File

@ -81,12 +81,6 @@ private:
Gtk::SpinButton input_latency;
Gtk::Adjustment output_latency_adjustment;
Gtk::SpinButton output_latency;
Gtk::Adjustment input_channels_adjustment;
Gtk::SpinButton input_channels;
Gtk::Adjustment output_channels_adjustment;
Gtk::SpinButton output_channels;
Gtk::Adjustment ports_adjustment;
Gtk::SpinButton ports_spinner;
Gtk::Label have_control_text;
ArdourWidgets::ArdourButton control_app_button;
@ -154,7 +148,6 @@ private:
void sample_rate_changed ();
void buffer_size_changed ();
void nperiods_changed ();
void channels_changed ();
void latency_changed ();
void midi_option_changed ();
@ -176,8 +169,6 @@ private:
float get_rate() const;
uint32_t get_buffer_size() const;
uint32_t get_nperiods() const;
uint32_t get_input_channels() const;
uint32_t get_output_channels() const;
uint32_t get_input_latency() const;
uint32_t get_output_latency() const;
std::string get_device_name() const;
@ -244,8 +235,6 @@ private:
uint32_t n_periods;
uint32_t input_latency;
uint32_t output_latency;
uint32_t input_channels;
uint32_t output_channels;
bool active;
bool use_buffered_io;
std::string midi_option;
@ -259,8 +248,6 @@ private:
, buffer_size (1024)
, input_latency (0)
, output_latency (0)
, input_channels (0)
, output_channels (0)
, active (false)
, use_buffered_io (false)
, lru (0)
@ -293,8 +280,6 @@ private:
bool _have_control;
static bool print_channel_count (Gtk::SpinButton*);
void build_notebook ();
void build_full_control_notebook ();
void build_no_control_notebook ();
@ -328,8 +313,6 @@ private:
sigc::connection midi_option_combo_connection;
sigc::connection input_latency_connection;
sigc::connection output_latency_connection;
sigc::connection input_channels_connection;
sigc::connection output_channels_connection;
void on_show ();
void on_map ();