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initial work on adding access to h/w control apps when ardour starts JACK

This commit is contained in:
Paul Davis 2013-09-09 15:17:29 -04:00
parent a228643e40
commit f06187735d
5 changed files with 119 additions and 4 deletions

View File

@ -63,7 +63,7 @@ EngineControl::EngineControl ()
, output_channels (output_channels_adjustment)
, ports_adjustment (128, 8, 1024, 1, 16)
, ports_spinner (ports_adjustment)
, realtime_button (_("Realtime"))
, control_app_button (_("Launch Control App"))
, basic_packer (9, 3)
{
build_notebook ();
@ -71,6 +71,15 @@ EngineControl::EngineControl ()
get_vbox()->set_border_width (12);
get_vbox()->pack_start (notebook);
Gtk::HBox* hpacker = manage (new HBox);
hpacker->pack_start (control_app_button, false, false);
hpacker->show ();
control_app_button.show();
get_vbox()->pack_start (*hpacker);
control_app_button.signal_clicked().connect (mem_fun (*this, &EngineControl::control_app_button_clicked));
manage_control_app_sensitivity ();
add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_APPLY);
@ -347,6 +356,8 @@ EngineControl::device_changed ()
buffer_size_combo.set_active_text (s.front());
show_buffer_duration ();
manage_control_app_sensitivity ();
maybe_set_state ();
}
@ -700,9 +711,12 @@ EngineControl::setup_engine (bool start)
state->active = true;
if (start) {
return ARDOUR::AudioEngine::instance()->start();
if (ARDOUR::AudioEngine::instance()->start()) {
return -1;
}
}
manage_control_app_sensitivity ();
return 0;
} catch (...) {
@ -773,3 +787,25 @@ EngineControl::get_device_name () const
return device_combo.get_active_text ();
}
void
EngineControl::control_app_button_clicked ()
{
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
if (!backend) {
return;
}
backend->launch_control_app();
}
void
EngineControl::manage_control_app_sensitivity ()
{
boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
if (backend && backend->have_control_app()) {
control_app_button.set_sensitive (true);
} else {
control_app_button.set_sensitive (false);
}
}

View File

@ -68,6 +68,8 @@ class EngineControl : public ArdourDialog {
Gtk::Adjustment ports_adjustment;
Gtk::SpinButton ports_spinner;
Gtk::Button control_app_button;
/* JACK specific */
Gtk::CheckButton realtime_button;
@ -80,7 +82,6 @@ class EngineControl : public ArdourDialog {
Gtk::CheckButton hw_meter_button;
Gtk::CheckButton verbose_output_button;
Gtk::ComboBoxText preset_combo;
Gtk::ComboBoxText serverpath_combo;
Gtk::ComboBoxText driver_combo;
@ -150,6 +151,8 @@ class EngineControl : public ArdourDialog {
void build_notebook ();
void on_response (int);
void control_app_button_clicked ();
void manage_control_app_sensitivity ();
};
#endif /* __gtk2_ardour_engine_dialog_h__ */

View File

@ -228,6 +228,21 @@ class AudioBackend {
virtual uint32_t systemic_input_latency () const = 0;
virtual uint32_t systemic_output_latency () const = 0;
/** Return true if it is possible to launch a control app
* at this time. Return false otherwise.
*
* The audio backend may not know the device for which the
* control app should be opened, or there may no such
* application. In such cases, this method should return false.
*/
virtual bool have_control_app() const = 0;
/** If the device name has been set, launch an application (if any exist)
* to manage the hardware settings of that device. If no such application
* exists, do nothing.
*/
virtual void launch_control_app () = 0;
/* Basic state control */
/** Start using the device named in the most recent call

View File

@ -17,10 +17,13 @@
*/
#include <string>
#include <list>
#include <math.h>
#include <boost/scoped_ptr.hpp>
#include <glibmm/timer.h>
#include <glibmm/spawn.h>
#include "pbd/error.h"
@ -340,7 +343,11 @@ JACKAudioBackend::set_systemic_output_latency (uint32_t l)
std::string
JACKAudioBackend::device_name () const
{
return string();
if (connected()) {
return "???";
}
return _target_device;
}
float
@ -947,3 +954,53 @@ JACKAudioBackend::can_change_buffer_size_when_running () const
{
return true;
}
string
JACKAudioBackend::control_app_name () const
{
string appname;
if (_target_device.empty()) {
return appname;
}
#if defined (__linux)
/* Linux potential control apps */
if (_target_device == "Hammerfall DSP") {
appname = "hdspconf";
}
#else
#if defined (__APPLE__)
/* OS X potential control apps */
#else
/* Windows potential control apps */
#endif
#endif
return appname;
}
bool
JACKAudioBackend::have_control_app () const
{
return !control_app_name().empty();
}
void
JACKAudioBackend::launch_control_app ()
{
/* launch control app, don't care if it succeeds */
string appname = control_app_name ();
if (appname.empty()) {
return;
}
std::list<string> args;
args.push_back (appname);
Glib::spawn_async ("", args, Glib::SPAWN_SEARCH_PATH);
}

View File

@ -84,6 +84,9 @@ class JACKAudioBackend : public AudioBackend {
uint32_t systemic_input_latency () const;
uint32_t systemic_output_latency () const;
bool have_control_app() const;
void launch_control_app ();
int start ();
int stop ();
int pause ();
@ -179,6 +182,7 @@ class JACKAudioBackend : public AudioBackend {
mutable DriverDeviceMap all_devices;
PBD::ScopedConnection disconnect_connection;
std::string control_app_name () const;
};
} // namespace