fix crash when copy'ing latent plugins

[ardour.git] / gtk2_ardour / engine_dialog.h

diff --git a/gtk2_ardour/engine_dialog.h b/gtk2_ardour/engine_dialog.h
index 553a9f9be59f321cd90f7fc6d46a6ad0e4bf944e..8f47f2b5a35d3668cc7c5f4adf0f7754999e13bf 100644 (file)
--- a/gtk2_ardour/engine_dialog.h
+++ b/gtk2_ardour/engine_dialog.h
@@ -46,9 +46,10 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     static bool need_setup ();
 
     XMLNode& get_state ();
-    void set_state (const XMLNode&);
+    bool set_state (const XMLNode&);
 
     void set_desired_sample_rate (uint32_t);
+    bool try_autostart ();
 
   private:
     Gtk::Notebook notebook;
@@ -70,6 +71,7 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     Gtk::ComboBoxText midi_option_combo;
     Gtk::ComboBoxText buffer_size_combo;
     Gtk::Label        buffer_size_duration_label;
+    Gtk::ComboBoxText nperiods_combo;
     Gtk::Adjustment input_latency_adjustment;
     Gtk::SpinButton input_latency;
     Gtk::Adjustment output_latency_adjustment;
@@ -82,8 +84,11 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     Gtk::SpinButton ports_spinner;
 
     Gtk::Label      have_control_text;
-    Gtk::Button     control_app_button;
+    ArdourButton    control_app_button;
     ArdourButton    midi_devices_button;
+    ArdourButton    start_stop_button;
+    ArdourButton    update_devices_button;
+    ArdourButton    use_buffered_io_button;
 
     Gtk::Button     connect_disconnect_button;
 
@@ -106,7 +111,6 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
 
     Gtk::Button* cancel_button;
     Gtk::Button* ok_button;
-    Gtk::Button* apply_button;
 
     /* MIDI Tab */
 
@@ -118,7 +122,8 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
 
     Gtk::CheckButton aj_button;
 
-    uint32_t ignore_changes;
+    uint32_t ignore_changes; // state save/load
+    uint32_t ignore_device_changes; // AudioEngine::DeviceListChanged
     uint32_t _desired_sample_rate;
     bool     started_at_least_once;
     bool     queue_device_changed;
@@ -127,6 +132,7 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     void backend_changed ();
     void sample_rate_changed ();
     void buffer_size_changed ();
+    void nperiods_changed ();
     void parameter_changed ();
     void midi_option_changed ();
 
@@ -134,10 +140,20 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     void setup_midi_tab_for_jack ();
     void refresh_midi_display (std::string focus = "");
 
-    std::string bufsize_as_string (uint32_t);
+       void update_midi_options ();
+
+       std::string bufsize_as_string (uint32_t);
+       std::string nperiods_as_string (uint32_t);
+
+       std::vector<float> get_default_sample_rates ();
+       std::vector<uint32_t> get_default_buffer_sizes ();
+
+       std::vector<float> get_sample_rates_for_all_devices ();
+       std::vector<uint32_t> get_buffer_sizes_for_all_devices ();
 
     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;
@@ -148,6 +164,10 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     std::string get_driver() const;
     std::string get_backend() const;
     std::string get_midi_option () const;
+    bool get_use_buffered_io () const;
+
+       std::string get_default_device (const std::string&,
+                                       const std::vector<std::string>&);
 
     void device_changed ();
     void input_device_changed ();
@@ -156,8 +176,9 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     bool set_device_popdown_strings ();
     bool set_input_device_popdown_strings ();
     bool set_output_device_popdown_strings ();
-    void set_samplerate_popdown_strings (const std::string& dev_name);
-    void set_buffersize_popdown_strings (const std::string& dev_name);
+    void set_samplerate_popdown_strings ();
+    void set_buffersize_popdown_strings ();
+    void set_nperiods_popdown_strings ();
     void list_devices ();
     void show_buffer_duration ();
 
@@ -198,13 +219,16 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
        std::string output_device;
        float sample_rate;
        uint32_t buffer_size;
+       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;
        std::vector<MidiDeviceSettings> midi_devices;
+       time_t lru;
 
        StateStruct()
                : sample_rate (48000)
@@ -213,15 +237,19 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
                , output_latency (0)
                , input_channels (0)
                , output_channels (0)
-               , active (false) {}
+               , active (false)
+               , use_buffered_io (false)
+               , lru (0) {}
 
     };
 
     typedef boost::shared_ptr<StateStruct> State;
     typedef std::list<State> StateList;
+    static bool state_sort_cmp (const State &a, const State &b);
 
     StateList states;
 
+    State get_matching_state (const std::string& backend);
     State get_matching_state (const std::string& backend,
                               const std::string& driver,
                               const std::string& device);
@@ -235,7 +263,8 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     void store_state (State);
     bool equivalent_states (const State&, const State&);
 
-       void set_current_state (const State& state);
+       bool set_current_state (const State& state);
+       void set_default_state ();
 
     bool  _have_control;
 
@@ -246,17 +275,54 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
     void build_no_control_notebook ();
 
        void connect_changed_signals ();
+       void block_changed_signals ();
+       void unblock_changed_signals ();
+
+       class SignalBlocker
+       {
+       public:
+               SignalBlocker (EngineControl& engine_control, const std::string& reason);
+
+               ~SignalBlocker ();
+
+       private:
+               EngineControl& ec;
+               std::string m_reason;
+       };
+
+       uint32_t block_signals;
+
+       sigc::connection backend_combo_connection;
+       sigc::connection driver_combo_connection;
+       sigc::connection sample_rate_combo_connection;
+       sigc::connection buffer_size_combo_connection;
+       sigc::connection nperiods_combo_connection;
+       sigc::connection device_combo_connection;
+       sigc::connection input_device_combo_connection;
+       sigc::connection output_device_combo_connection;
+       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_response (int);
     void control_app_button_clicked ();
+    void start_stop_button_clicked ();
+    void update_devices_button_clicked ();
+    void use_buffered_io_button_clicked ();
     void use_latency_button_clicked ();
     void manage_control_app_sensitivity ();
     int push_state_to_backend (bool start);
     void post_push ();
+    void update_sensitivity ();
+       bool start_engine ();
+       bool stop_engine (bool for_latency = false);
 
     /* latency measurement */
     void latency_button_clicked ();
+    void latency_back_button_clicked ();
     bool check_audio_latency_measurement ();
     bool check_midi_latency_measurement ();
     sigc::connection latency_timeout;