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-rw-r--r-- | libs/ardour/ardour/engine_state_controller.h | 1088 | ||||
-rw-r--r-- | libs/ardour/engine_state_controller.cc | 2715 |
2 files changed, 1996 insertions, 1807 deletions
diff --git a/libs/ardour/ardour/engine_state_controller.h b/libs/ardour/ardour/engine_state_controller.h index c1ed973f41..0c270d6c9b 100644 --- a/libs/ardour/ardour/engine_state_controller.h +++ b/libs/ardour/ardour/engine_state_controller.h @@ -1,21 +1,21 @@ /* - Copyright (C) 2014 Waves Audio Ltd. + Copyright (C) 2014 Waves Audio Ltd. - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ + */ #ifndef __gtk2_ardour__engine_state_controller__ #define __gtk2_ardour__engine_state_controller__ @@ -39,565 +39,613 @@ class AudioBackendInfo; */ class EngineStateController { - public: +public: - // public data types: + // public data types: - /** - * @struct PortState - * Structure which represents AudioPort state - */ - struct PortState { - std::string name; ///< Audio Port name - bool active; ///< Audio Port state + /** + * @struct PortState + * Structure which represents AudioPort state + */ + struct PortState { + std::string name; ///< Audio Port name + bool active; ///< Audio Port state - PortState () - : name(""), - active(false) - { - } + PortState () + : name(""), + active(false) + { + } - PortState (const std::string& name) - : name(name), - active(false) - { - } + PortState (const std::string& name) + : name(name), + active(false) + { + } - bool operator==(const PortState& rhs) {return rhs.name == name; } + bool operator==(const PortState& rhs) {return rhs.name == name; } - }; + }; - /// @typedef Type for the list of all available audio ports - typedef std::list<PortState> PortStateList; + /// @typedef Type for the list of all available audio ports + typedef std::list<PortState> PortStateList; - /** - * @struct MidiPortState - * Structure which represents MidiPort state. - */ - struct MidiPortState - { - std::string name; ///< Midi Port name - bool active; ///< Midi Port state - bool available; ///< Midi Port availability - if it is physicaly available or not - bool scene_connected; ///< Is midi port used for scene MIDI marker in/out - bool mtc_in; ///< Is midi port used as MTC in + /** + * @struct MidiPortState + * Structure which represents MidiPort state. + */ + struct MidiPortState + { + std::string name; ///< Midi Port name + bool active; ///< Midi Port state + bool available; ///< Midi Port availability - if it is physicaly available or not + bool scene_connected; ///< Is midi port used for scene MIDI marker in/out + bool mtc_in; ///< Is midi port used as MTC in - MidiPortState(const std::string& name): - name(name), - active(false), - available(false), - scene_connected(false), - mtc_in(false) - {} + MidiPortState(const std::string& name): + name(name), + active(false), + available(false), + scene_connected(false), + mtc_in(false) + {} - bool operator==(const MidiPortState& rhs) - { - return name == rhs.name; - } - }; + bool operator==(const MidiPortState& rhs) + { + return name == rhs.name; + } + }; - /// @typedef Type for the list of MidiPorts ever registered in the system - typedef std::list<MidiPortState> MidiPortStateList; + /// @typedef Type for the list of MidiPorts ever registered in the system + typedef std::list<MidiPortState> MidiPortStateList; - //Interfaces + //Interfaces - /** Get an instance of EngineStateController singleton. - * @return EngineStateController instance pointer - */ - static EngineStateController* instance (); + /** Get an instance of EngineStateController singleton. + * @return EngineStateController instance pointer + */ + static EngineStateController* instance (); - /** Associate session with EngineStateController instance. - */ + /** Associate session with EngineStateController instance. + */ void set_session (Session* session); - /** Remove link to the associated session. - */ + /** Remove link to the associated session. + */ void remove_session (); - ////////////////////////////////////////////////////////////////////////////////////////////////////////// - // General backend/device information methods - - /** Provides names of all available backends. - * - * @param[out] available_backends - vector of available backends - */ - void available_backends (std::vector<const AudioBackendInfo*>& available_backends); - - /** Provides the name of currently used backend. - * - * @return the name of currently used backend - */ - const std::string& get_current_backend_name() const; - - /** Provides the name of currently used device. - * - * @return the name of currently used device - */ - const std::string& get_current_device_name () const; - - /** Provides names for all available devices. - * - * @param[out] device_vector - vector of available devices - */ - void enumerate_devices (std::vector<ARDOUR::AudioBackend::DeviceStatus>& device_vector) const; - - /** Get sample rate used by current device. - * - * @return current sample rate - */ - ARDOUR::framecnt_t get_current_sample_rate () const; - - /** Get default sample rate for current backend. - * - * @return default sample rate for current backend - */ - ARDOUR::framecnt_t get_default_sample_rate () const; - - /** Get sample rates which are supported by current device and current backend. - * - * @param[out] sample_rates - vector of supported sample rates - */ - void available_sample_rates_for_current_device (std::vector<float>& sample_rates) const; - - /** Get buffer size used by current device. - * - * @return current buffer size - */ - ARDOUR::pframes_t get_current_buffer_size () const; - - /** Get default buffer size for current backend. - * - * @return default buffer size for current backend - */ - ARDOUR::pframes_t get_default_buffer_size () const; - - /** Get buffer sizes which are supported by current device and current backend. - * - * @param[out] buffer_sizes - vector of supported buffer_sizes - */ - void available_buffer_sizes_for_current_device (std::vector<ARDOUR::pframes_t>& buffer_sizes) const; + ////////////////////////////////////////////////////////////////////////////////////////////////////////// + // General backend/device information methods + + /** Provides names of all available backends. + * + * @param[out] available_backends - vector of available backends + */ + void available_backends (std::vector<const AudioBackendInfo*>& available_backends); + + /** Provides the name of currently used backend. + * + * @return the name of currently used backend + */ + const std::string& get_current_backend_name() const; + + /** Provides the name of currently used device. + * + * @return the name of currently used device + */ + const std::string& get_current_device_name () const; + + /** Provides names for all available devices. + * + * @param[out] device_vector - vector of available devices + */ + void enumerate_devices (std::vector<ARDOUR::AudioBackend::DeviceStatus>& device_vector) const; + + /** Get sample rate used by current device. + * + * @return current sample rate + */ + ARDOUR::framecnt_t get_current_sample_rate () const; + + /** Get default sample rate for current backend. + * + * @return default sample rate for current backend + */ + ARDOUR::framecnt_t get_default_sample_rate () const; + + /** Get sample rates which are supported by current device and current backend. + * + * @param[out] sample_rates - vector of supported sample rates + */ + void available_sample_rates_for_current_device (std::vector<float>& sample_rates) const; + + /** Get buffer size used by current device. + * + * @return current buffer size + */ + ARDOUR::pframes_t get_current_buffer_size () const; + + /** Get default buffer size for current backend. + * + * @return default buffer size for current backend + */ + ARDOUR::pframes_t get_default_buffer_size () const; + + /** Get buffer sizes which are supported by current device and current backend. + * + * @param[out] buffer_sizes - vector of supported buffer_sizes + */ + void available_buffer_sizes_for_current_device (std::vector<ARDOUR::pframes_t>& buffer_sizes) const; + + ///////////////////////////////////////////////////////////////////////////////////////////////////////////////// + // device state control methods + + /** Get the number of all enabled Audio inputs. + * + * @return number of all enabled Audio inputs + */ + uint32_t get_available_inputs_count() const; + /** Get the number of all enabled Audio outputs. + * + * @return number of all enabled Audio outputs + */ + uint32_t get_available_outputs_count () const; + + /** Get vector of all enabled physical Audio input port names. + * + * @param[out] port_names - vector of all enabled Audio input names + */ + void get_physical_audio_inputs (std::vector<std::string>& port_names); + /** Get vector of all enabled physical Audio input port names. + * + * @param[out] port_names - vector of all enabled Audio input names + */ + void get_physical_audio_outputs (std::vector<std::string>& port_names); + + /** Get vector of all enabled physical MIDI input port names. + * + * @param[out] port_names - vector of all enabled MIDI input names + */ + void get_physical_midi_inputs (std::vector<std::string>& port_names); + /** Get vector of all enabled physical MIDI output port names. + * + * @param[out] port_names - vector of all enabled MIDI output names + */ + void get_physical_midi_outputs (std::vector<std::string>& port_names); + + /** Sets new state to all Audio inputs. + * + * @param[in] state - new state + */ + void set_state_to_all_inputs(bool state); + /** Sets new state to all Audio outputs. + * @note Does nothing in Stereo Out mode + * @param[in] state - new state + */ + void set_state_to_all_outputs(bool state); + + /** Get vector of states for all physical Audio input ports. + * + * @param[out] channel_states - vector of input port states + */ + void get_physical_audio_input_states(std::vector<PortState>& channel_states); + /** Get vector of states for all physical Audio output ports. + * + * @param[out] channel_states - vector of output port states + */ + void get_physical_audio_output_states(std::vector<PortState>& channel_states); + + /** Set state of the specified Audio input port. + * + * @param[in] port_name - input name + * @param[in] state - new state + */ + void set_physical_audio_input_state(const std::string& port_name, bool state); + /** Set state of the specified Audio output port. + * + * @param[in] port_name - output name + * @param[in] state - new state + */ + void set_physical_audio_output_state(const std::string& port_name, bool state); + + /** Get state of the specified Audio input port. + * + * @param[in] port_name - input name + * @return input state + */ + bool get_physical_audio_input_state(const std::string& port_name); + /** Get state of the specified Audi output port. + * + * @param[in] port_name - output name + * @return output state + */ + bool get_physical_audio_output_state(const std::string& port_name); + + + /** Get vector of all enabled MIDI input port names. + * + * @param[out] channel_states - vector of enabled inputs + */ + void get_physical_midi_input_states (std::vector<MidiPortState>& channel_states); + /** Get vector of all enabled MIDI output port names. + * + * @param[out] channel_states - vector of enabled outputs + */ + void get_physical_midi_output_states (std::vector<MidiPortState>& channel_states); - ///////////////////////////////////////////////////////////////////////////////////////////////////////////////// - // device state control methods - - /** Get the number of all enabled Audio inputs. - * - * @return number of all enabled Audio inputs - */ - uint32_t get_available_inputs_count() const; - /** Get the number of all enabled Audio outputs. - * - * @return number of all enabled Audio outputs - */ - uint32_t get_available_outputs_count () const; - - /** Get vector of all enabled physical Audio input port names. - * - * @param[out] port_names - vector of all enabled Audio input names - */ - void get_physical_audio_inputs (std::vector<std::string>& port_names); - /** Get vector of all enabled physical Audio input port names. - * - * @param[out] port_names - vector of all enabled Audio input names - */ - void get_physical_audio_outputs (std::vector<std::string>& port_names); - - /** Get vector of all enabled physical MIDI input port names. - * - * @param[out] port_names - vector of all enabled MIDI input names - */ - void get_physical_midi_inputs (std::vector<std::string>& port_names); - /** Get vector of all enabled physical MIDI output port names. - * - * @param[out] port_names - vector of all enabled MIDI output names - */ - void get_physical_midi_outputs (std::vector<std::string>& port_names); - - /** Sets new state to all Audio inputs. - * - * @param[in] state - new state - */ - void set_state_to_all_inputs(bool state); - /** Sets new state to all Audio outputs. - * @note Does nothing in Stereo Out mode - * @param[in] state - new state - */ - void set_state_to_all_outputs(bool state); - - /** Get vector of states for all physical Audio input ports. - * - * @param[out] channel_states - vector of input port states - */ - void get_physical_audio_input_states(std::vector<PortState>& channel_states); - /** Get vector of states for all physical Audio output ports. - * - * @param[out] channel_states - vector of output port states - */ - void get_physical_audio_output_states(std::vector<PortState>& channel_states); - - /** Set state of the specified Audio input port. - * - * @param[in] port_name - input name - * @param[in] state - new state - */ - void set_physical_audio_input_state(const std::string& port_name, bool state); - /** Set state of the specified Audio output port. - * - * @param[in] port_name - output name - * @param[in] state - new state - */ - void set_physical_audio_output_state(const std::string& port_name, bool state); - - /** Get state of the specified Audio input port. - * - * @param[in] port_name - input name - * @return input state - */ - bool get_physical_audio_input_state(const std::string& port_name); - /** Get state of the specified Audi output port. - * - * @param[in] port_name - output name - * @return output state - */ - bool get_physical_audio_output_state(const std::string& port_name); - - /** Get vector of all enabled MIDI input port names. - * - * @param[out] channel_states - vector of enabled inputs - */ - void get_physical_midi_input_states (std::vector<MidiPortState>& channel_states); - /** Get vector of all enabled MIDI output port names. - * - * @param[out] channel_states - vector of enabled outputs - */ - void get_physical_midi_output_states (std::vector<MidiPortState>& channel_states); - - /** Set state of the specified MIDI input port. - * - * @param[in] port_name - input name - * @param[in] state - new state - */ - void set_physical_midi_input_state(const std::string& port_name, bool state); - /** Set state of the specified MIDI output port. - * - * @param[in] port_name - output name - * @param[in] state - new state - */ - void set_physical_midi_output_state(const std::string& port_name, bool state); - /** Get state of the specified MIDI input port. - * - * @param[in] port_name - input name - * @param[out] scene_connected - is port used as Scene In or not - * @return input state - */ - bool get_physical_midi_input_state(const std::string& port_name, bool& scene_connected); - /** Get state of the specified MIDI output port. - * - * @param[in] port_name - output name - * @param[out] scene_connected - is port used as Scene Out or not - * @return output state - */ - bool get_physical_midi_output_state(const std::string& port_name, bool& scene_connected); - - /** Set state of Scene In connection for the specified MIDI input port. - * - * @param[in] port_name - input name - * @param[in] state - new state - */ - void set_physical_midi_scene_in_connection_state(const std::string& port_name, bool state); - /** Set state of Scene Out connection for the specified MIDI output port. - * - * @param[in] port_name - input name - * @param[in] state - new state - */ - void set_physical_midi_scenen_out_connection_state(const std::string&, bool); - - /** Disocnnect all MIDI input ports from Scene In. - */ - void set_all_midi_scene_inputs_disconnected(); - /** Disocnnect all MIDI output ports from Scene Out. - */ - void set_all_midi_scene_outputs_disconnected(); - - /** Set MIDI TimeCode input port - * @note There is a sense to choose MIDI TimeCode input only because - * our MIDI TimeCode is propagated to all midi output ports. - */ - void set_mtc_input(const std::string&); - - /** Check if AudioEngine setup is required - * @return true if setup is required, otherwise - false - */ - bool is_setup_required() const {return ARDOUR::AudioEngine::instance()->setup_required (); } - - //////////////////////////////////////////////////////////////////////////////////////////////////// - // Methods set parameters inside the controller - // the state of engine won't change untill we make a "push" of this state to the backend - // NOTE: Use push_state_to_backend() method to update backend with the most recent controller state - - /** Set new sample rate for current device in EngineStateController database - * @note Use push_state_to_backend() method to update backend/device state with the most recent controller state - * @param sample_rate - new sample rate - */ - bool set_new_sample_rate_in_controller(framecnt_t sample_rate); - /** Set new buffer size for current device in EngineStateController database - * @note Use push_state_to_backend() method to update backend/device state with the most recent controller state - * @param buffer_size - new buffer size - */ - bool set_new_buffer_size_in_controller(pframes_t buffer_size); - - /** @brief push current controller state to backend. - * Propagate and set all current EngineStateController parameters to the backend - * @note Engine will be restarted if it's running when this method is called. - * @note If an attempt ot set parameters is unsuccessful current device will be switched to "None". - * @param start - start the Engine if it was not running when this function was called. - * @return true on success, otherwise - false - */ - bool push_current_state_to_backend(bool start); - /** Switch to new backend - * @note The change will be propagated emmidiatelly as if push_current_state_to_backend () was called. - * @param backend_name - new backend name. - * @return true on success, otherwise - false - */ - bool set_new_backend_as_current(const std::string& backend_name); - /** Switch to new device - * @note The change will be propagated emmidiatelly as if push_current_state_to_backend () was called. - * @param device_name - new device name. - * @return true on success, otherwise - false - */ - bool set_new_device_as_current(const std::string& device_name); + /** Get name of mtc source port + * + * return name of mtc source port + */ + std::string get_mtc_source_port (); + + /** Set ltc source port + * + * @param[in] port - name of ltc source port + */ + void set_ltc_source_port (const std::string& port); + /** Get name of ltc source port + * + * return name of ltc source port + */ + std::string get_ltc_source_port (); + + /** Set ltc output port + * + * @param[in] port - name of ltc output port + */ + void set_ltc_output_port (const std::string&); + /** Get name of ltc output port + * + * return name of ltc output port + */ + std::string get_ltc_output_port (); + + /** Set state of the specified MIDI input port. + * + * @param[in] port_name - input name + * @param[in] state - new state + */ + void set_physical_midi_input_state(const std::string& port_name, bool state); + /** Set state of the specified MIDI output port. + * + * @param[in] port_name - output name + * @param[in] state - new state + */ + void set_physical_midi_output_state(const std::string& port_name, bool state); + /** Get state of the specified MIDI input port. + * + * @param[in] port_name - input name + * @param[out] scene_connected - is port used as Scene In or not + * @return input state + */ + bool get_physical_midi_input_state(const std::string& port_name, bool& scene_connected); + /** Get state of the specified MIDI output port. + * + * @param[in] port_name - output name + * @param[out] scene_connected - is port used as Scene Out or not + * @return output state + */ + bool get_physical_midi_output_state(const std::string& port_name, bool& scene_connected); + + /** Set state of Scene In connection for the specified MIDI input port. + * + * @param[in] port_name - input name + * @param[in] state - new state + */ + void set_physical_midi_scene_in_connection_state(const std::string& port_name, bool state); + /** Set state of Scene Out connection for the specified MIDI output port. + * + * @param[in] port_name - input name + * @param[in] state - new state + */ + void set_physical_midi_scenen_out_connection_state(const std::string&, bool); + + /** Disocnnect all MIDI input ports from Scene In. + */ + void set_all_midi_scene_inputs_disconnected(); + /** Disocnnect all MIDI output ports from Scene Out. + */ + void set_all_midi_scene_outputs_disconnected(); + + /** Set MIDI TimeCode input port + * @note There is a sense to choose MIDI TimeCode input only because + * our MIDI TimeCode is propagated to all midi output ports. + */ + void set_mtc_source_port (const std::string&); + + /** Check if AudioEngine setup is required + * @return true if setup is required, otherwise - false + */ + bool is_setup_required() const {return ARDOUR::AudioEngine::instance()->setup_required (); } + + //////////////////////////////////////////////////////////////////////////////////////////////////// + // Methods set parameters inside the controller + // the state of engine won't change untill we make a "push" of this state to the backend + // NOTE: Use push_state_to_backend() method to update backend with the most recent controller state + + /** Set new sample rate for current device in EngineStateController database + * @note Use push_state_to_backend() method to update backend/device state with the most recent controller state + * @param sample_rate - new sample rate + */ + bool set_new_sample_rate_in_controller(framecnt_t sample_rate); + /** Set new buffer size for current device in EngineStateController database + * @note Use push_state_to_backend() method to update backend/device state with the most recent controller state + * @param buffer_size - new buffer size + */ + bool set_new_buffer_size_in_controller(pframes_t buffer_size); + + /** @brief push current controller state to backend. + * Propagate and set all current EngineStateController parameters to the backend + * @note Engine will be restarted if it's running when this method is called. + * @note If an attempt ot set parameters is unsuccessful current device will be switched to "None". + * @param start - start the Engine if it was not running when this function was called. + * @return true on success, otherwise - false + */ + bool push_current_state_to_backend(bool start); + /** Switch to new backend + * @note The change will be propagated emmidiatelly as if push_current_state_to_backend () was called. + * @param backend_name - new backend name. + * @return true on success, otherwise - false + */ + bool set_new_backend_as_current(const std::string& backend_name); + /** Switch to new device + * @note The change will be propagated emmidiatelly as if push_current_state_to_backend () was called. + * @param device_name - new device name. + * @return true on success, otherwise - false + */ + bool set_new_device_as_current(const std::string& device_name); - //////////////////////////////////////////////////////////////////////////////////////////////////// - // Methods to save/serialize setting states + //////////////////////////////////////////////////////////////////////////////////////////////////// + // Methods to save/serialize setting states - /** Serialize Audio/Midi settings (entire EngineStateController database) to XML - * @return XML note with serialized states - */ - XMLNode& serialize_audio_midi_settings(); - /** Save Audio/Midi settings (entire EngineStateController database) to config persistently - */ - void save_audio_midi_settings(); - - //////////////////////////////////////////////////////////////////////////////////////////////////// - //UPDATE SIGNALS - /** This signal is emitted if the sample rate changes */ - PBD::Signal0<void> SampleRateChanged; - /** This signal is emitted if the buffer size changes */ - PBD::Signal0<void> BufferSizeChanged; - /** This signal is emitted if the device list changes */ - PBD::Signal1<void, bool> DeviceListChanged; + /** Serialize Audio/Midi settings (entire EngineStateController database) to XML + * @return XML note with serialized states + */ + XMLNode& serialize_audio_midi_settings(); + /** Save Audio/Midi settings (entire EngineStateController database) to config persistently + */ + void save_audio_midi_settings(); + + //////////////////////////////////////////////////////////////////////////////////////////////////// + //UPDATE SIGNALS + /** This signal is emitted if the sample rate changes */ + PBD::Signal0<void> SampleRateChanged; + /** This signal is emitted if the buffer size changes */ + PBD::Signal0<void> BufferSizeChanged; + /** This signal is emitted if the device list changes */ + PBD::Signal1<void, bool> DeviceListChanged; /** This signal is emitted if the device cannot operate properly */ - PBD::Signal0<void> DeviceError; + PBD::Signal0<void> DeviceError; - //////////////////////////////////////////////////////////////////////////////////////////////////// - //ENGINE STATE SIGNALS - /** This signal is emitted when the engine is started */ - PBD::Signal0<void> EngineRunning; - /** This signal is emitted when the engine is stopped */ - PBD::Signal0<void> EngineStopped; - /** This signal is emitted if Engine processing is terminated */ - PBD::Signal0<void> EngineHalted; - - /** This signal is emitted if the AUDIO input channel configuration changes */ - PBD::Signal0<void> InputConfigChanged; - /** This signal is emitted if the AUDIO output channel configuration changes */ - PBD::Signal0<void> OutputConfigChanged; - /** This signal is emitted if the AUDIO output connection mode changes - * @note By output connection mode "Stereo Out" or "Multi Out" is meant - */ - PBD::Signal0<void> OutputConnectionModeChanged; - - /** This signals is emitted if the MIDI input channel configuration changes */ - PBD::Signal0<void> MIDIInputConfigChanged; - /** This signals is emitted if the MIDI output channel configuration changes */ - PBD::Signal0<void> MIDIOutputConfigChanged; - /** This signals is emitted if the MIDI Scene In connection changes */ - PBD::Signal2<void, const std::vector<std::string>&, bool> MIDISceneInputConnectionChanged; - /** This signals is emitted if the MIDI Scene Out connection changes */ - PBD::Signal2<void, const std::vector<std::string>&, bool> MIDISceneOutputConnectionChanged; - - /** This signal is emitted if the MTC Input channel is changed */ - PBD::Signal1<void, const std::string&> MTCInputChanged; - - /** This signal is emitted if new Audio/MIDI ports are registered or unregistered */ - PBD::Signal0<void> PortRegistrationChanged; - - private: + //////////////////////////////////////////////////////////////////////////////////////////////////// + //ENGINE STATE SIGNALS + /** This signal is emitted when the engine is started */ + PBD::Signal0<void> EngineRunning; + /** This signal is emitted when the engine is stopped */ + PBD::Signal0<void> EngineStopped; + /** This signal is emitted if Engine processing is terminated */ + PBD::Signal0<void> EngineHalted; + + /** This signal is emitted if the AUDIO input channel configuration changes */ + PBD::Signal0<void> InputConfigChanged; + /** This signal is emitted if the AUDIO output channel configuration changes */ + PBD::Signal0<void> OutputConfigChanged; + /** This signal is emitted if the AUDIO output connection mode changes + * @note By output connection mode "Stereo Out" or "Multi Out" is meant + */ + PBD::Signal0<void> OutputConnectionModeChanged; + + /** This signals is emitted if the MIDI input channel configuration changes */ + PBD::Signal0<void> MIDIInputConfigChanged; + /** This signals is emitted if the MIDI output channel configuration changes */ + PBD::Signal0<void> MIDIOutputConfigChanged; + /** This signals is emitted if the MIDI Scene In connection changes */ + PBD::Signal2<void, const std::vector<std::string>&, bool> MIDISceneInputConnectionChanged; + /** This signals is emitted if the MIDI Scene Out connection changes */ + PBD::Signal2<void, const std::vector<std::string>&, bool> MIDISceneOutputConnectionChanged; + + /** This signal is emitted if the MTC Input channel is changed */ + PBD::Signal1<void, const std::string&> MTCInputChanged; + + /** This signal is emitted if new Audio/MIDI ports are registered or unregistered */ + PBD::Signal0<void> PortRegistrationChanged; + +private: - EngineStateController(); /// singleton - ~EngineStateController(); /// singleton - EngineStateController(const EngineStateController& ); /// prohibited - EngineStateController& operator=(const EngineStateController&); /// prohibited - - //////////////////////////////////////////////////////////////////////////////////////////// - // private data structures - - /** @struct Engine state - * @brief State structure. - * Contains information about single device/backend state - */ - struct State { + EngineStateController(); /// singleton + ~EngineStateController(); /// singleton + EngineStateController(const EngineStateController& ); /// prohibited + EngineStateController& operator=(const EngineStateController&); /// prohibited + + //////////////////////////////////////////////////////////////////////////////////////////// + // private data structures + + /** @struct Engine state + * @brief State structure. + * Contains information about single device/backend state + */ + struct State { std::string backend_name; ///< state backend name std::string device_name; ///< state device name ARDOUR::framecnt_t sample_rate; ///< sample rate used by the device in this state ARDOUR::pframes_t buffer_size; ///< buffer size used by the device in this state - PortStateList input_channel_states; ///< states of device Audio inputs + PortStateList input_channel_states; ///< states of device Audio inputs PortStateList multi_out_channel_states; ///< states of device Audio inputs in Multi Out mode - PortStateList stereo_out_channel_states; ///< states of device Audio inputs in Stereo Out mode + PortStateList stereo_out_channel_states; ///< states of device Audio inputs in Stereo Out mode bool active; ///< was this state the most recent active one State() - : sample_rate(0) - , buffer_size(0) - , input_channel_states (0) - , multi_out_channel_states (0) - , stereo_out_channel_states (0) - , active (false) - { - } + : sample_rate(0) + , buffer_size(0) + , input_channel_states (0) + , multi_out_channel_states (0) + , stereo_out_channel_states (0) + , active (false) + { + } - bool operator==(const State& rhs) - { - return (backend_name == rhs.backend_name) && (device_name == rhs.device_name); - } + bool operator==(const State& rhs) + { + return (backend_name == rhs.backend_name) && (device_name == rhs.device_name); + } - /** Forms string name for the state - * @return name string - */ - std::string form_state_name() { - return std::string("State:" + backend_name + ":" + device_name); - } + /** Forms string name for the state + * @return name string + */ + std::string form_state_name() { + return std::string("State:" + backend_name + ":" + device_name); + } - /** @struct StatepPredicate - * This predicate is used to identify a state during search in the list of states - */ - struct StatePredicate - { - StatePredicate(const std::string& backend_name, const std::string& device_name) - : _backend_name (backend_name) - , _device_name (device_name) - {} + /** @struct StatepPredicate + * This predicate is used to identify a state during search in the list of states + */ + struct StatePredicate + { + StatePredicate(const std::string& backend_name, const std::string& device_name) + : _backend_name (backend_name) + , _device_name (device_name) + {} - bool operator()(boost::shared_ptr<ARDOUR::EngineStateController::State> rhs) - { - return (_backend_name == rhs->backend_name) && (_device_name == rhs->device_name); - } + bool operator()(boost::shared_ptr<ARDOUR::EngineStateController::State> rhs) + { + return (_backend_name == rhs->backend_name) && (_device_name == rhs->device_name); + } - private: - std::string _backend_name; - std::string _device_name; - }; - }; - - /// @typedef Type for the state pointer - typedef boost::shared_ptr<State> StatePtr; - /// @typedef Type for the list of states - typedef std::list<StatePtr> StateList; - - //////////////////////////////////////////////////////////////////////////////////////////////////// - // methods to manage setting states - - /** Deserializes and loads Engine and Audio port states from the config to EngineStateController - */ - void _deserialize_and_load_engine_states(); - /** Deserializes and loads MIDI port states from the config to EngineStateController - */ - void _deserialize_and_load_midi_port_states(); - /** Serializes Engine and Audio port states from EngineStateController to XML node - * @param[in,out] audio_midi_settings_node - node to serialize the satets to - */ - void _serialize_engine_states(XMLNode* audio_midi_settings_node); - /** Serializes MIDI port states from EngineStateController to XML node - * @param[in,out] audio_midi_settings_node - node to serialize the satets to - */ - void _serialize_midi_port_states(XMLNode* audio_midi_settings_node); - - /** Provides initial state configuration. - * It loades the last active state if there is one and it is aplicable. - * Otherwise default state (None device with default sample rate and buffer size) is loaded. - */ - void _do_initial_engine_setup(); - - /** Loades provided state. - * @note It's possible that provided state can't be loaded - * (device disconnected or reqested parameters are not supported anymore). - * @param state - state to apply - * @return true on success, otherwise - false - */ - bool _apply_state(const StatePtr& state); - - /** Gets available device channels from engine and updates internal controller state - */ - void _update_device_channels_state(); - - /** Check "Stereo Out" mode channels state configuration and make it correspond Stereo Out mode requirements - */ - void _refresh_stereo_out_channel_states(); - - //////////////////////////////////////////////////////////////////////////////////////////////////////////// - // internal helper functions - /** make sure that current device parameters are supported and fit session requirements - * @return true if current state is valid and all parameters are supported, otherwise - false - */ + private: + std::string _backend_name; + std::string _device_name; + }; + }; + + /// @typedef Type for the state pointer + typedef boost::shared_ptr<State> StatePtr; + /// @typedef Type for the list of states + typedef std::list<StatePtr> StateList; + + //////////////////////////////////////////////////////////////////////////////////////////////////// + // methods to manage setting states + + /** Deserializes and loads Engine and Audio port states from the config to EngineStateController + */ + void _deserialize_and_load_engine_states(); + /** Deserializes and loads MIDI port states from the config to EngineStateController + */ + void _deserialize_and_load_midi_port_states(); + /** Serializes Engine and Audio port states from EngineStateController to XML node + * @param[in,out] audio_midi_settings_node - node to serialize the satets to + */ + void _serialize_engine_states(XMLNode* audio_midi_settings_node); + /** Serializes MIDI port states from EngineStateController to XML node + * @param[in,out] audio_midi_settings_node - node to serialize the satets to + */ + void _serialize_midi_port_states(XMLNode* audio_midi_settings_node); + + /** Provides initial state configuration. + * It loades the last active state if there is one and it is aplicable. + * Otherwise default state (None device with default sample rate and buffer size) is loaded. + */ + void _do_initial_engine_setup(); + + /** Loades provided state. + * @note It's possible that provided state can't be loaded + * (device disconnected or reqested parameters are not supported anymore). + * @param state - state to apply + * @return true on success, otherwise - false + */ + bool _apply_state(const StatePtr& state); + + /** Gets available device channels from engine and updates internal controller state + */ + void _update_device_channels_state(); + + /** Check "Stereo Out" mode channels state configuration and make it correspond Stereo Out mode requirements + */ + void _refresh_stereo_out_channel_states(); + + //////////////////////////////////////////////////////////////////////////////////////////////////////////// + // internal helper functions + /** make sure that current device parameters are supported and fit session requirements + * @return true if current state is valid and all parameters are supported, otherwise - false + */ bool _validate_current_device_state(); - //////////////////////////////////////////////////////////////////////////////////////////////////////////// - //////////////////////////////////////// - // callbacks - /** Invoked when Engine starts running - */ - void _on_engine_running(); - /** Invoked when Engine is halted - */ - void _on_engine_halted(); - /** Invoked when Engine processing is terminated - */ - void _on_engine_stopped(); - /** Invoked when Device error accured, it failed to start or didn't accept the change which should - */ + /** change ltc source port in case of the input ports list change + */ + void _update_ltc_source_port (); + /** change ltc source port in case of the output ports list change + */ + void _update_ltc_output_port (); + + /** check that port is still existed in the list of input ports + @param[in] port - port name + @return true if current port is existed, otherwise - false + */ + bool _audio_input_port_exists (const std::string& port); + /** check that port is still existed in the list of output ports + @param[in] port - port name + @return true if current port is existed, otherwise - false + */ + bool _audio_output_port_exists (const std::string& port); + + + + //////////////////////////////////////// + // callbacks + /** Invoked when Engine starts running + */ + void _on_engine_running(); + /** Invoked when Engine is halted + */ + void _on_engine_halted(); + /** Invoked when Engine processing is terminated + */ + void _on_engine_stopped(); + /** Invoked when Device error accured, it failed to start or didn't accept the change which should + */ void _on_device_error(); - /** Invoked when current device changes sample rate - */ - void _on_sample_rate_change(ARDOUR::framecnt_t); - /** Invoked when current device changes buffer size - */ - void _on_buffer_size_change(ARDOUR::pframes_t); - /** Invoked when the list of available devices is changed - */ - void _on_device_list_change(); - /** Invoked when the config parameter is changed - */ - void _on_parameter_changed (const std::string&); - /** Invoked when Audio/MIDI ports are registered or unregistered - */ - void _on_ports_registration_update (); - /** Invoked when session loading process is complete - */ + /** Invoked when current device changes sample rate + */ + void _on_sample_rate_change(ARDOUR::framecnt_t); + /** Invoked when current device changes buffer size + */ + void _on_buffer_size_change(ARDOUR::pframes_t); + /** Invoked when the list of available devices is changed + */ + void _on_device_list_change(); + /** Invoked when the config parameter is changed + */ + void _on_parameter_changed (const std::string&); + /** Invoked when Audio/MIDI ports are registered or unregistered + */ + void _on_ports_registration_update (); + /** Invoked when session loading process is complete + */ void _on_session_loaded(); - //////////////////////////////////////// + //////////////////////////////////////// - //////////////////////////////////////// - // attributes - StatePtr _current_state; ///< current state pointer - // list of system states - StateList _states; ///< list of all available states + //////////////////////////////////////// + // attributes + StatePtr _current_state; ///< current state pointer + // list of system states + StateList _states; ///< list of all available states - MidiPortStateList _midi_inputs; ///< midi input states - MidiPortStateList _midi_outputs; ///< midi output states + MidiPortStateList _midi_inputs; ///< midi input states + MidiPortStateList _midi_outputs; ///< midi output states - std::string _last_used_real_device; ///< last active non-default (real) device + std::string _last_used_real_device; ///< last active non-default (real) device Session* _session; ///< current session - // Engine connections stuff + // Engine connections stuff PBD::ScopedConnectionList update_connections; ///< connection container for update signals PBD::ScopedConnectionList session_connections; ///< connection container for session signals - PBD::ScopedConnection running_connection; ///< connection container for EngineRunning signal - PBD::ScopedConnection halt_connection; ///< connection container for EngineHalted signal - PBD::ScopedConnection stopped_connection; ///< connection container for EngineStopped signal + PBD::ScopedConnection running_connection; ///< connection container for EngineRunning signal + PBD::ScopedConnection halt_connection; ///< connection container for EngineHalted signal + PBD::ScopedConnection stopped_connection; ///< connection container for EngineStopped signal }; } // namespace ARDOUR diff --git a/libs/ardour/engine_state_controller.cc b/libs/ardour/engine_state_controller.cc index 842f8b5f63..e50b932f74 100644 --- a/libs/ardour/engine_state_controller.cc +++ b/libs/ardour/engine_state_controller.cc @@ -1,21 +1,21 @@ /* - Copyright (C) 2014 Waves Audio Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ + Copyright (C) 2014 Waves Audio Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + */ #include "ardour/engine_state_controller.h" @@ -33,56 +33,56 @@ using namespace ARDOUR; using namespace PBD; namespace { - -struct DevicePredicate -{ - DevicePredicate(const std::string& device_name) - : _device_name(device_name) - {} - - bool operator()(const AudioBackend::DeviceStatus& rhs) - { - return _device_name == rhs.name; - } - - private: - std::string _device_name; -}; + + struct DevicePredicate + { + DevicePredicate(const std::string& device_name) + : _device_name(device_name) + {} + + bool operator()(const AudioBackend::DeviceStatus& rhs) + { + return _device_name == rhs.name; + } + + private: + std::string _device_name; + }; } EngineStateController* EngineStateController::instance() { - static EngineStateController instance; - return &instance; + static EngineStateController instance; + return &instance; } EngineStateController::EngineStateController() - : _current_state() - , _last_used_real_device("") +: _current_state() +, _last_used_real_device("") { - AudioEngine::instance ()->Running.connect_same_thread (running_connection, boost::bind (&EngineStateController::_on_engine_running, this)); - AudioEngine::instance ()->Stopped.connect_same_thread (stopped_connection, boost::bind (&EngineStateController::_on_engine_stopped, this)); - AudioEngine::instance ()->Halted.connect_same_thread (stopped_connection, boost::bind (&EngineStateController::_on_engine_stopped, this)); - + AudioEngine::instance ()->Running.connect_same_thread (running_connection, boost::bind (&EngineStateController::_on_engine_running, this) ); + AudioEngine::instance ()->Stopped.connect_same_thread (stopped_connection, boost::bind (&EngineStateController::_on_engine_stopped, this) ); + AudioEngine::instance ()->Halted.connect_same_thread (stopped_connection, boost::bind (&EngineStateController::_on_engine_stopped, this) ); + /* Subscribe for udpates from AudioEngine */ - AudioEngine::instance ()->PortRegisteredOrUnregistered.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_ports_registration_update, this)); - AudioEngine::instance()->SampleRateChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_sample_rate_change, this, _1)); - AudioEngine::instance()->BufferSizeChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_buffer_size_change, this, _1)); - AudioEngine::instance()->DeviceListChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_device_list_change, this)); - AudioEngine::instance()->DeviceError.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_device_error, this)); - - /* Global configuration parameters update */ - Config->ParameterChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_parameter_changed, this, _1)); - - _deserialize_and_load_engine_states(); - _deserialize_and_load_midi_port_states(); - _do_initial_engine_setup(); - - // now push the sate to the backend - push_current_state_to_backend(false); + AudioEngine::instance ()->PortRegisteredOrUnregistered.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_ports_registration_update, this) ); + AudioEngine::instance()->SampleRateChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_sample_rate_change, this, _1) ); + AudioEngine::instance()->BufferSizeChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_buffer_size_change, this, _1) ); + AudioEngine::instance()->DeviceListChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_device_list_change, this) ); + AudioEngine::instance()->DeviceError.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_device_error, this) ); + + /* Global configuration parameters update */ + Config->ParameterChanged.connect_same_thread (update_connections, boost::bind (&EngineStateController::_on_parameter_changed, this, _1) ); + + _deserialize_and_load_engine_states(); + _deserialize_and_load_midi_port_states(); + _do_initial_engine_setup(); + + // now push the sate to the backend + push_current_state_to_backend(false); } @@ -95,7 +95,7 @@ void EngineStateController::set_session(Session* session) { _session = session; - _session->SessionLoaded.connect_same_thread (session_connections, boost::bind (&EngineStateController::_on_session_loaded, this)); + _session->SessionLoaded.connect_same_thread (session_connections, boost::bind (&EngineStateController::_on_session_loaded, this) ); } @@ -110,1065 +110,1144 @@ EngineStateController::remove_session () XMLNode& EngineStateController::serialize_audio_midi_settings() { - - XMLNode* root = new XMLNode ("AudioMidiSettings"); - - _serialize_engine_states(root); - _serialize_midi_port_states(root); - - return *root; + + XMLNode* root = new XMLNode ("AudioMidiSettings"); + + _serialize_engine_states(root); + _serialize_midi_port_states(root); + + return *root; } void EngineStateController::save_audio_midi_settings() { - Config->add_extra_xml (serialize_audio_midi_settings()); - Config->save_state (); + Config->add_extra_xml (serialize_audio_midi_settings() ); + Config->save_state (); } void EngineStateController::_deserialize_and_load_engine_states() { - XMLNode* audio_midi_settings_root = ARDOUR::Config->extra_xml ("AudioMidiSettings"); - - if (!audio_midi_settings_root) { - return; - } - - XMLNode* engine_states = audio_midi_settings_root->child("EngineStates"); - - if (!engine_states) { - return; - } - - XMLNodeList state_nodes_list = engine_states->children(); - XMLNodeConstIterator state_node_iter = state_nodes_list.begin(); - - for (; state_node_iter != state_nodes_list.end(); ++state_node_iter) { - - XMLNode* state_node = *state_node_iter; - StatePtr engine_state(new State); - XMLProperty* prop = NULL; - - if ((prop = state_node->property ("backend-name")) == 0) { - continue; - } - engine_state->backend_name = prop->value (); - - if ((prop = state_node->property ("device-name")) == 0) { - continue; - } - engine_state->device_name = prop->value (); - - if ((prop = state_node->property ("sample-rate")) == 0) { - continue; - } - engine_state->sample_rate = atoi (prop->value ()); - - if ((prop = state_node->property ("buffer-size")) == 0) { - continue; - } - engine_state->buffer_size = atoi (prop->value ()); - - if ((prop = state_node->property ("active")) == 0) { - continue; - } - engine_state->active = string_is_affirmative (prop->value ()); - - XMLNodeList state_children_list = state_node->children(); - XMLNodeConstIterator state_child_iter = state_children_list.begin(); - - for (; state_child_iter != state_children_list.end(); ++state_child_iter) { - XMLNode* state_child = *state_child_iter; - - if (state_child->name() == "InputConfiguration") { - - XMLNodeList input_states_nodes = state_child->children(); - XMLNodeConstIterator input_state_node_iter = input_states_nodes.begin(); - PortStateList& input_states = engine_state->input_channel_states; - - for (; input_state_node_iter != input_states_nodes.end(); ++input_state_node_iter) { - - XMLNode* input_state_node = *input_state_node_iter; - - if (input_state_node->name() != "input") { - continue; - } - PortState input_state (input_state_node->name()); - - if ((prop = input_state_node->property ("name")) == 0) { - continue; - } - input_state.name = prop->value(); - - if ((prop = input_state_node->property ("active")) == 0) { - continue; - } - input_state.active = string_is_affirmative (prop->value ()); - - input_states.push_back(input_state); - } - - } else if (state_child->name() == "MultiOutConfiguration") { - - XMLNodeList multi_out_state_nodes = state_child->children(); - XMLNodeConstIterator multi_out_state_node_iter = multi_out_state_nodes.begin(); - PortStateList& multi_out_states = engine_state->multi_out_channel_states; - - for (; multi_out_state_node_iter != multi_out_state_nodes.end(); ++multi_out_state_node_iter) { - - XMLNode* multi_out_state_node = *multi_out_state_node_iter; - - if (multi_out_state_node->name() != "output") { - continue; - } - PortState multi_out_state (multi_out_state_node->name()); - - if ((prop = multi_out_state_node->property ("name")) == 0) { - continue; - } - multi_out_state.name = prop->value(); - - if ((prop = multi_out_state_node->property ("active")) == 0) { - continue; - } - multi_out_state.active = string_is_affirmative (prop->value ()); - - multi_out_states.push_back(multi_out_state); - } - } else if (state_child->name() == "StereoOutConfiguration") { - - XMLNodeList stereo_out_state_nodes = state_child->children(); - XMLNodeConstIterator stereo_out_state_node_iter = stereo_out_state_nodes.begin(); - PortStateList& stereo_out_states = engine_state->stereo_out_channel_states; - - for (; stereo_out_state_node_iter != stereo_out_state_nodes.end(); ++stereo_out_state_node_iter) { - - XMLNode* stereo_out_state_node = *stereo_out_state_node_iter; - - if (stereo_out_state_node->name() != "output") { - continue; - } - PortState stereo_out_state (stereo_out_state_node->name()); - - if ((prop = stereo_out_state_node->property ("name")) == 0) { - continue; - } - stereo_out_state.name = prop->value(); - - if ((prop = stereo_out_state_node->property ("active")) == 0) { - continue; - } - stereo_out_state.active = string_is_affirmative (prop->value ()); - - stereo_out_states.push_back(stereo_out_state); - } - } - } - - _states.push_back (engine_state); - } + XMLNode* audio_midi_settings_root = ARDOUR::Config->extra_xml ("AudioMidiSettings"); + + if (!audio_midi_settings_root) { + return; + } + + XMLNode* engine_states = audio_midi_settings_root->child("EngineStates"); + + if (!engine_states) { + return; + } + + XMLNodeList state_nodes_list = engine_states->children(); + XMLNodeConstIterator state_node_iter = state_nodes_list.begin(); + + for (; state_node_iter != state_nodes_list.end(); ++state_node_iter) { + + XMLNode* state_node = *state_node_iter; + StatePtr engine_state(new State); + XMLProperty* prop = NULL; + + if ((prop = state_node->property ("backend-name")) == 0) { + continue; + } + engine_state->backend_name = prop->value (); + + if ((prop = state_node->property ("device-name")) == 0) { + continue; + } + engine_state->device_name = prop->value (); + + if ((prop = state_node->property ("sample-rate")) == 0) { + continue; + } + engine_state->sample_rate = atoi (prop->value ()); + + if ((prop = state_node->property ("buffer-size")) == 0) { + continue; + } + engine_state->buffer_size = atoi (prop->value ()); + + if ((prop = state_node->property ("active")) == 0) { + continue; + } + engine_state->active = string_is_affirmative (prop->value ()); + + XMLNodeList state_children_list = state_node->children(); + XMLNodeConstIterator state_child_iter = state_children_list.begin(); + + for (; state_child_iter != state_children_list.end(); ++state_child_iter) { + XMLNode* state_child = *state_child_iter; + + if (state_child->name() == "InputConfiguration") { + + XMLNodeList input_states_nodes = state_child->children(); + XMLNodeConstIterator input_state_node_iter = input_states_nodes.begin(); + PortStateList& input_states = engine_state->input_channel_states; + + for (; input_state_node_iter != input_states_nodes.end(); ++input_state_node_iter) { + + XMLNode* input_state_node = *input_state_node_iter; + + if (input_state_node->name() != "input") { + continue; + } + PortState input_state (input_state_node->name() ); + + if ((prop = input_state_node->property ("name")) == 0) { + continue; + } + input_state.name = prop->value(); + + if ((prop = input_state_node->property ("active")) == 0) { + continue; + } + input_state.active = string_is_affirmative (prop->value ()); + + input_states.push_back(input_state); + } + + } else if (state_child->name() == "MultiOutConfiguration") { + + XMLNodeList multi_out_state_nodes = state_child->children(); + XMLNodeConstIterator multi_out_state_node_iter = multi_out_state_nodes.begin(); + PortStateList& multi_out_states = engine_state->multi_out_channel_states; + + for (; multi_out_state_node_iter != multi_out_state_nodes.end(); ++multi_out_state_node_iter) { + + XMLNode* multi_out_state_node = *multi_out_state_node_iter; + + if (multi_out_state_node->name() != "output") { + continue; + } + PortState multi_out_state (multi_out_state_node->name() ); + + if ((prop = multi_out_state_node->property ("name")) == 0) { + continue; + } + multi_out_state.name = prop->value(); + + if ((prop = multi_out_state_node->property ("active")) == 0) { + continue; + } + multi_out_state.active = string_is_affirmative (prop->value ()); + + multi_out_states.push_back(multi_out_state); + } + } else if (state_child->name() == "StereoOutConfiguration") { + + XMLNodeList stereo_out_state_nodes = state_child->children(); + XMLNodeConstIterator stereo_out_state_node_iter = stereo_out_state_nodes.begin(); + PortStateList& stereo_out_states = engine_state->stereo_out_channel_states; + + for (; stereo_out_state_node_iter != stereo_out_state_nodes.end(); ++stereo_out_state_node_iter) { + + XMLNode* stereo_out_state_node = *stereo_out_state_node_iter; + + if (stereo_out_state_node->name() != "output") { + continue; + } + PortState stereo_out_state (stereo_out_state_node->name() ); + + if ((prop = stereo_out_state_node->property ("name")) == 0) { + continue; + } + stereo_out_state.name = prop->value(); + + if ((prop = stereo_out_state_node->property ("active")) == 0) { + continue; + } + stereo_out_state.active = string_is_affirmative (prop->value ()); + + stereo_out_states.push_back(stereo_out_state); + } + } + } + + _states.push_back (engine_state); + } } void EngineStateController::_deserialize_and_load_midi_port_states() -{ - XMLNode* audio_midi_settings_root = ARDOUR::Config->extra_xml ("AudioMidiSettings"); - - if (!audio_midi_settings_root) { - return; - } - - XMLNode* midi_states = audio_midi_settings_root->child("MidiStates"); - - if (!midi_states) { - return; - } - - XMLNodeList state_nodes_list = midi_states->children(); - XMLNodeConstIterator state_node_iter = state_nodes_list.begin(); - for (; state_node_iter != state_nodes_list.end(); ++state_node_iter) { - - XMLNode* state_node = *state_node_iter; - if (state_node->name() == "MidiInputs") { - - XMLNodeList input_state_nodes = state_node->children(); - XMLNodeConstIterator input_state_node_iter = input_state_nodes.begin(); - _midi_inputs.clear(); - - for (; input_state_node_iter != input_state_nodes.end(); ++input_state_node_iter) { - - XMLNode* input_state_node = *input_state_node_iter; - XMLProperty* prop = NULL; - - if (input_state_node->name() != "input") { - continue; - } - MidiPortState input_state (input_state_node->name()); - - if ((prop = input_state_node->property ("name")) == 0) { - continue; - } - input_state.name = prop->value(); - - if ((prop = input_state_node->property ("active")) == 0) { - continue; - } - input_state.active = string_is_affirmative (prop->value ()); - - if ((prop = input_state_node->property ("scene-connected")) == 0) { - continue; - } - input_state.scene_connected = string_is_affirmative (prop->value ()); - - if ((prop = input_state_node->property ("mtc-in")) == 0) { - continue; - } - input_state.mtc_in = string_is_affirmative (prop->value ()); - - _midi_inputs.push_back(input_state); - } - - } else if (state_node->name() == "MidiOutputs") { - - XMLNodeList output_state_nodes = state_node->children(); - XMLNodeConstIterator output_state_node_iter = output_state_nodes.begin(); - _midi_outputs.clear(); - - for (; output_state_node_iter != output_state_nodes.end(); ++output_state_node_iter) { - - XMLNode* output_state_node = *output_state_node_iter; - XMLProperty* prop = NULL; - - if (output_state_node->name() != "output") { - continue; - } - MidiPortState output_state (output_state_node->name()); - - if ((prop = output_state_node->property ("name")) == 0) { - continue; - } - output_state.name = prop->value(); - - if ((prop = output_state_node->property ("active")) == 0) { - continue; - } - output_state.active = string_is_affirmative (prop->value ()); - - if ((prop = output_state_node->property ("scene-connected")) == 0) { - continue; - } - output_state.scene_connected = string_is_affirmative (prop->value ()); - - if ((prop = output_state_node->property ("mtc-in")) == 0) { - continue; - } - output_state.mtc_in = string_is_affirmative (prop->value ()); - - _midi_outputs.push_back(output_state); - } - } - } +{ + XMLNode* audio_midi_settings_root = ARDOUR::Config->extra_xml ("AudioMidiSettings"); + + if (!audio_midi_settings_root) { + return; + } + + XMLNode* midi_states = audio_midi_settings_root->child("MidiStates"); + + if (!midi_states) { + return; + } + + XMLNodeList state_nodes_list = midi_states->children(); + XMLNodeConstIterator state_node_iter = state_nodes_list.begin(); + for (; state_node_iter != state_nodes_list.end(); ++state_node_iter) { + + XMLNode* state_node = *state_node_iter; + if (state_node->name() == "MidiInputs") { + + XMLNodeList input_state_nodes = state_node->children(); + XMLNodeConstIterator input_state_node_iter = input_state_nodes.begin(); + _midi_inputs.clear(); + + for (; input_state_node_iter != input_state_nodes.end(); ++input_state_node_iter) { + + XMLNode* input_state_node = *input_state_node_iter; + XMLProperty* prop = NULL; + + if (input_state_node->name() != "input") { + continue; + } + MidiPortState input_state (input_state_node->name() ); + + if ((prop = input_state_node->property ("name")) == 0) { + continue; + } + input_state.name = prop->value(); + + if ((prop = input_state_node->property ("active")) == 0) { + continue; + } + input_state.active = string_is_affirmative (prop->value ()); + + if ((prop = input_state_node->property ("scene-connected")) == 0) { + continue; + } + input_state.scene_connected = string_is_affirmative (prop->value ()); + + if ((prop = input_state_node->property ("mtc-in")) == 0) { + continue; + } + input_state.mtc_in = string_is_affirmative (prop->value ()); + + _midi_inputs.push_back(input_state); + } + + } else if (state_node->name() == "MidiOutputs") { + + XMLNodeList output_state_nodes = state_node->children(); + XMLNodeConstIterator output_state_node_iter = output_state_nodes.begin(); + _midi_outputs.clear(); + + for (; output_state_node_iter != output_state_nodes.end(); ++output_state_node_iter) { + + XMLNode* output_state_node = *output_state_node_iter; + XMLProperty* prop = NULL; + + if (output_state_node->name() != "output") { + continue; + } + MidiPortState output_state (output_state_node->name() ); + + if ((prop = output_state_node->property ("name")) == 0) { + continue; + } + output_state.name = prop->value(); + + if ((prop = output_state_node->property ("active")) == 0) { + continue; + } + output_state.active = string_is_affirmative (prop->value ()); + + if ((prop = output_state_node->property ("scene-connected")) == 0) { + continue; + } + output_state.scene_connected = string_is_affirmative (prop->value ()); + + if ((prop = output_state_node->property ("mtc-in")) == 0) { + continue; + } + output_state.mtc_in = string_is_affirmative (prop->value ()); + + _midi_outputs.push_back(output_state); + } + } + } } void EngineStateController::_serialize_engine_states(XMLNode* audio_midi_settings_node) { - if (!audio_midi_settings_node) { - return; - } - - // clean up state data first - audio_midi_settings_node->remove_nodes_and_delete("EngineStates" ); - - XMLNode* engine_states = new XMLNode("EngineStates" ); - - StateList::const_iterator state_iter = _states.begin(); - for (; state_iter != _states.end(); ++state_iter) { - - StatePtr state_ptr = *state_iter; - - // create new node for the state - XMLNode* state_node = new XMLNode("State"); - - state_node->add_property ("backend-name", state_ptr->backend_name); - state_node->add_property ("device-name", state_ptr->device_name); - state_node->add_property ("sample-rate", state_ptr->sample_rate); - state_node->add_property ("buffer-size", state_ptr->buffer_size); - state_node->add_property ("active", state_ptr->active ? "yes" : "no"); - - // store channel states: - // inputs - XMLNode* input_config_node = new XMLNode("InputConfiguration"); - PortStateList& input_channels = state_ptr->input_channel_states; - PortStateList::const_iterator input_state_iter = input_channels.begin(); - for (; input_state_iter != input_channels.end(); ++input_state_iter) { - XMLNode* input_state_node = new XMLNode("input"); - input_state_node->add_property ("name", input_state_iter->name); - input_state_node->add_property ("active", input_state_iter->active ? "yes" : "no"); - input_config_node->add_child_nocopy(*input_state_node); - } - state_node->add_child_nocopy(*input_config_node); - - // multi out outputs - XMLNode* multi_out_config_node = new XMLNode("MultiOutConfiguration"); - PortStateList& multi_out_channels = state_ptr->multi_out_channel_states; - PortStateList::const_iterator multi_out_state_iter = multi_out_channels.begin(); - for (; multi_out_state_iter != multi_out_channels.end(); ++multi_out_state_iter) { - XMLNode* multi_out_state_node = new XMLNode("output" ); - multi_out_state_node->add_property ("name", multi_out_state_iter->name); - multi_out_state_node->add_property ("active", multi_out_state_iter->active ? "yes" : "no"); - multi_out_config_node->add_child_nocopy(*multi_out_state_node); - } - state_node->add_child_nocopy(*multi_out_config_node); - - // stereo out outputs - XMLNode* stereo_out_config_node = new XMLNode("StereoOutConfiguration"); - PortStateList& stereo_out_channels = state_ptr->stereo_out_channel_states; - PortStateList::const_iterator stereo_out_state_iter = stereo_out_channels.begin(); - for (; stereo_out_state_iter != stereo_out_channels.end(); ++stereo_out_state_iter) { - XMLNode* stereo_out_state_node = new XMLNode("output" ); - stereo_out_state_node->add_property ("name", stereo_out_state_iter->name); - stereo_out_state_node->add_property ("active", stereo_out_state_iter->active ? "yes" : "no"); - stereo_out_config_node->add_child_nocopy(*stereo_out_state_node); - } - state_node->add_child_nocopy(*stereo_out_config_node); - - engine_states->add_child_nocopy(*state_node); - } - - audio_midi_settings_node->add_child_nocopy(*engine_states); + if (!audio_midi_settings_node) { + return; + } + + // clean up state data first + audio_midi_settings_node->remove_nodes_and_delete("EngineStates" ); + + XMLNode* engine_states = new XMLNode("EngineStates" ); + + StateList::const_iterator state_iter = _states.begin(); + for (; state_iter != _states.end(); ++state_iter) { + + StatePtr state_ptr = *state_iter; + + // create new node for the state + XMLNode* state_node = new XMLNode("State"); + + state_node->add_property ("backend-name", state_ptr->backend_name); + state_node->add_property ("device-name", state_ptr->device_name); + state_node->add_property ("sample-rate", state_ptr->sample_rate); + state_node->add_property ("buffer-size", state_ptr->buffer_size); + state_node->add_property ("active", state_ptr->active ? "yes" : "no"); + + // store channel states: + // inputs + XMLNode* input_config_node = new XMLNode("InputConfiguration"); + PortStateList& input_channels = state_ptr->input_channel_states; + PortStateList::const_iterator input_state_iter = input_channels.begin(); + for (; input_state_iter != input_channels.end(); ++input_state_iter) { + XMLNode* input_state_node = new XMLNode("input"); + input_state_node->add_property ("name", input_state_iter->name); + input_state_node->add_property ("active", input_state_iter->active ? "yes" : "no"); + input_config_node->add_child_nocopy(*input_state_node); + } + state_node->add_child_nocopy(*input_config_node); + + // multi out outputs + XMLNode* multi_out_config_node = new XMLNode("MultiOutConfiguration"); + PortStateList& multi_out_channels = state_ptr->multi_out_channel_states; + PortStateList::const_iterator multi_out_state_iter = multi_out_channels.begin(); + for (; multi_out_state_iter != multi_out_channels.end(); ++multi_out_state_iter) { + XMLNode* multi_out_state_node = new XMLNode("output" ); + multi_out_state_node->add_property ("name", multi_out_state_iter->name); + multi_out_state_node->add_property ("active", multi_out_state_iter->active ? "yes" : "no"); + multi_out_config_node->add_child_nocopy(*multi_out_state_node); + } + state_node->add_child_nocopy(*multi_out_config_node); + + // stereo out outputs + XMLNode* stereo_out_config_node = new XMLNode("StereoOutConfiguration"); + PortStateList& stereo_out_channels = state_ptr->stereo_out_channel_states; + PortStateList::const_iterator stereo_out_state_iter = stereo_out_channels.begin(); + for (; stereo_out_state_iter != stereo_out_channels.end(); ++stereo_out_state_iter) { + XMLNode* stereo_out_state_node = new XMLNode("output" ); + stereo_out_state_node->add_property ("name", stereo_out_state_iter->name); + stereo_out_state_node->add_property ("active", stereo_out_state_iter->active ? "yes" : "no"); + stereo_out_config_node->add_child_nocopy(*stereo_out_state_node); + } + state_node->add_child_nocopy(*stereo_out_config_node); + + engine_states->add_child_nocopy(*state_node); + } + + audio_midi_settings_node->add_child_nocopy(*engine_states); } void EngineStateController::_serialize_midi_port_states(XMLNode* audio_midi_settings_node) { - if (!audio_midi_settings_node) { - return; - } - - // clean up state data first - audio_midi_settings_node->remove_nodes_and_delete("MidiStates" ); - - XMLNode* midi_states_node = new XMLNode("MidiStates" ); - - XMLNode* midi_input_states_node = new XMLNode("MidiInputs" ); - MidiPortStateList::const_iterator midi_input_state_iter = _midi_inputs.begin(); - for (; midi_input_state_iter != _midi_inputs.end(); ++midi_input_state_iter) { - XMLNode* midi_input_node = new XMLNode("input" ); - midi_input_node->add_property ("name", midi_input_state_iter->name); - midi_input_node->add_property ("active", midi_input_state_iter->active ? "yes" : "no"); - midi_input_node->add_property ("scene_connected", midi_input_state_iter->scene_connected ? "yes" : "no"); - midi_input_node->add_property ("mtc-in", midi_input_state_iter->mtc_in ? "yes" : "no"); - midi_input_states_node->add_child_nocopy(*midi_input_node); - } - midi_states_node->add_child_nocopy(*midi_input_states_node); - - XMLNode* midi_output_states_node = new XMLNode("MidiOutputs" ); - MidiPortStateList::const_iterator midi_output_state_iter = _midi_outputs.begin(); - for (; midi_output_state_iter != _midi_outputs.end(); ++midi_output_state_iter) { - XMLNode* midi_output_node = new XMLNode("output" ); - midi_output_node->add_property ("name", midi_output_state_iter->name); - midi_output_node->add_property ("active", midi_output_state_iter->active ? "yes" : "no"); - midi_output_node->add_property ("scene_connected", midi_output_state_iter->scene_connected ? "yes" : "no"); - midi_output_node->add_property ("mtc-in", midi_output_state_iter->mtc_in ? "yes" : "no"); - midi_output_states_node->add_child_nocopy(*midi_output_node); - } - midi_states_node->add_child_nocopy(*midi_output_states_node); - - audio_midi_settings_node->add_child_nocopy(*midi_states_node); + if (!audio_midi_settings_node) { + return; + } + + // clean up state data first + audio_midi_settings_node->remove_nodes_and_delete("MidiStates" ); + + XMLNode* midi_states_node = new XMLNode("MidiStates" ); + + XMLNode* midi_input_states_node = new XMLNode("MidiInputs" ); + MidiPortStateList::const_iterator midi_input_state_iter = _midi_inputs.begin(); + for (; midi_input_state_iter != _midi_inputs.end(); ++midi_input_state_iter) { + XMLNode* midi_input_node = new XMLNode("input" ); + midi_input_node->add_property ("name", midi_input_state_iter->name); + midi_input_node->add_property ("active", midi_input_state_iter->active ? "yes" : "no"); + midi_input_node->add_property ("scene_connected", midi_input_state_iter->scene_connected ? "yes" : "no"); + midi_input_node->add_property ("mtc-in", midi_input_state_iter->mtc_in ? "yes" : "no"); + midi_input_states_node->add_child_nocopy(*midi_input_node); + } + midi_states_node->add_child_nocopy(*midi_input_states_node); + + XMLNode* midi_output_states_node = new XMLNode("MidiOutputs" ); + MidiPortStateList::const_iterator midi_output_state_iter = _midi_outputs.begin(); + for (; midi_output_state_iter != _midi_outputs.end(); ++midi_output_state_iter) { + XMLNode* midi_output_node = new XMLNode("output" ); + midi_output_node->add_property ("name", midi_output_state_iter->name); + midi_output_node->add_property ("active", midi_output_state_iter->active ? "yes" : "no"); + midi_output_node->add_property ("scene_connected", midi_output_state_iter->scene_connected ? "yes" : "no"); + midi_output_node->add_property ("mtc-in", midi_output_state_iter->mtc_in ? "yes" : "no"); + midi_output_states_node->add_child_nocopy(*midi_output_node); + } + midi_states_node->add_child_nocopy(*midi_output_states_node); + + audio_midi_settings_node->add_child_nocopy(*midi_states_node); } bool EngineStateController::_apply_state(const StatePtr& state) { - bool applied = false; - - if (set_new_backend_as_current(state->backend_name)) { - applied = set_new_device_as_current(state->device_name); - } - - return applied; + bool applied = false; + + if (set_new_backend_as_current(state->backend_name) ) { + applied = set_new_device_as_current(state->device_name); + } + + return applied; } void EngineStateController::_do_initial_engine_setup() { - bool state_applied = false; + bool state_applied = false; + + // if we have no saved state load default values + if (!_states.empty() ) { + + // look for last active state first + StateList::const_iterator state_iter = _states.begin(); + for (; state_iter != _states.end(); ++state_iter) { + if ( (*state_iter)->active ) { + state_applied = _apply_state(*state_iter); + break; + } + } + + // last active state was not applied + // try others + if (!state_applied) { + StateList::const_iterator state_iter = _states.begin(); + for (; state_iter != _states.end(); ++state_iter) { + state_applied = _apply_state(*state_iter); + break; + } + } + } + + if (!state_applied ){ + std::vector<const AudioBackendInfo*> backends = AudioEngine::instance()->available_backends(); + + if (!backends.empty() ) { + + if (!set_new_backend_as_current(backends.front()->name ) ) { + std::cerr << "\tfailed to set backend [" << backends.front()->name << "]\n"; + } + } + + } +} - // if we have no saved state load default values - if (!_states.empty()) { - // look for last active state first - StateList::const_iterator state_iter = _states.begin(); - for (; state_iter != _states.end(); ++state_iter) { - if ( (*state_iter)->active ) { - state_applied = _apply_state(*state_iter); - break; +bool +EngineStateController::_validate_current_device_state() +{ + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + + // check if device parameters from the state record are still valid + // validate sample rate + std::vector<float> sample_rates = backend->available_sample_rates (_current_state->device_name); + + if (sample_rates.empty() ) { + return false; + } + + // check if session desired sample rate (if it's set) could be used with this device + if (_session != 0) { + + if ( !set_new_sample_rate_in_controller (_session->nominal_frame_rate ()) ) { + if ( !set_new_sample_rate_in_controller (backend->default_sample_rate() ) ) { + if (!set_new_sample_rate_in_controller (sample_rates.front() ) ) { + return false; + } + } + } + + } else { + // check if current sample rate is supported because we have no session desired sample rate value + if ( !set_new_sample_rate_in_controller (_current_state->sample_rate) ) { + if ( !set_new_sample_rate_in_controller (backend->default_sample_rate() ) ) { + if (!set_new_sample_rate_in_controller (sample_rates.front() ) ) { + return false; + } + } + } + } + + // validate buffer size + std::vector<pframes_t> buffer_sizes = backend->available_buffer_sizes (_current_state->device_name); + // check if buffer size is supported + std::vector<pframes_t>::iterator bs_iter = std::find (buffer_sizes.begin(), buffer_sizes.end(), _current_state->buffer_size); + // if current is not found switch to default if is supported + if (bs_iter == buffer_sizes.end() ) { + bs_iter = std::find (buffer_sizes.begin(), buffer_sizes.end(), backend->default_buffer_size () ); + + if (bs_iter != buffer_sizes.end() ) { + _current_state->buffer_size = backend->default_buffer_size (); + } else { + if (!buffer_sizes.empty() ) { + _current_state->buffer_size = buffer_sizes.front(); } } - // last active state was not applied - // try others - if (!state_applied) { - StateList::const_iterator state_iter = _states.begin(); - for (; state_iter != _states.end(); ++state_iter) { - state_applied = _apply_state(*state_iter); - break; - } - } } - if (!state_applied ){ - std::vector<const AudioBackendInfo*> backends = AudioEngine::instance()->available_backends(); - - if (!backends.empty()) { + return true; +} - if (!set_new_backend_as_current(backends.front()->name )) { - std::cerr << "\tfailed to set backend [" << backends.front()->name << "]\n"; - } - } - } +void +EngineStateController::_update_ltc_source_port () +{ + // this method is called if the list of ports is changed + + // check that ltc-in port from Config still exists + if (_audio_input_port_exists (get_ltc_source_port ())) { + // audio port, that was saved in Config, exists + return ; + } + + //otherwise set first available audio port + if (!_current_state->input_channel_states.empty ()) { + set_ltc_source_port (_current_state->input_channel_states.front ().name); + return ; + } + + // no available audio-in ports + set_ltc_source_port (""); } +void +EngineStateController::_update_ltc_output_port () +{ + // this method is called if the list of ports is changed + + // check that ltc-out port from Config still exists + if (_audio_output_port_exists (get_ltc_output_port ())) { + // audio port, that was saved in Config, exists + return ; + } + + PortStateList* output_states; + if (Config->get_output_auto_connect() & AutoConnectMaster) { + output_states = &_current_state->stereo_out_channel_states; + } else { + output_states = &_current_state->multi_out_channel_states; + } + + //otherwise set first available audio port + if (!output_states->empty ()) { + set_ltc_output_port (output_states->front ().name); + return ; + } + + // no available audio-out ports + set_ltc_output_port (""); +} + bool -EngineStateController::_validate_current_device_state() +EngineStateController::_audio_input_port_exists (const std::string& port_name) { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - - // check if device parameters from the state record are still valid - // validate sample rate - std::vector<float> sample_rates = backend->available_sample_rates (_current_state->device_name); - - if (sample_rates.empty()) { - return false; - } - - // check if session desired sample rate (if it's set) could be used with this device - if (_session != 0) { - - if ( !set_new_sample_rate_in_controller (_session->nominal_frame_rate ())) { - if ( !set_new_sample_rate_in_controller (backend->default_sample_rate()) ) { - if (!set_new_sample_rate_in_controller (sample_rates.front()) ) { - return false; - } - } - } - - } else { - // check if current sample rate is supported because we have no session desired sample rate value - if ( !set_new_sample_rate_in_controller (_current_state->sample_rate)) { - if ( !set_new_sample_rate_in_controller (backend->default_sample_rate()) ) { - if (!set_new_sample_rate_in_controller (sample_rates.front()) ) { - return false; - } - } - } - } - - // validate buffer size - std::vector<pframes_t> buffer_sizes = backend->available_buffer_sizes (_current_state->device_name); - // check if buffer size is supported - std::vector<pframes_t>::iterator bs_iter = std::find (buffer_sizes.begin(), buffer_sizes.end(), _current_state->buffer_size); - // if current is not found switch to default if is supported - if (bs_iter == buffer_sizes.end()) { - bs_iter = std::find (buffer_sizes.begin(), buffer_sizes.end(), backend->default_buffer_size (_current_state->device_name)); - - if (bs_iter != buffer_sizes.end()) { - _current_state->buffer_size = backend->default_buffer_size (_current_state->device_name); - } else { - if (!buffer_sizes.empty()) { - _current_state->buffer_size = buffer_sizes.front(); - } - } - - } + PortStateList::const_iterator iter = _current_state->input_channel_states.begin (); + for (; iter != _current_state->input_channel_states.end (); ++iter ) { + if (iter->name == port_name) + return true; + } + return false; +} - return true; +bool +EngineStateController::_audio_output_port_exists (const std::string& port_name) +{ + PortStateList* output_states; + if (Config->get_output_auto_connect() & AutoConnectMaster) { + output_states = &_current_state->stereo_out_channel_states; + } else { + output_states = &_current_state->multi_out_channel_states; + } + + PortStateList::const_iterator iter = output_states->begin(); + for (; iter != output_states->end (); ++iter ) { + if (iter->name == port_name) + return true; + } + return false; } const std::string& EngineStateController::get_current_backend_name() const { - return _current_state->backend_name; + return _current_state->backend_name; } const std::string& EngineStateController::get_current_device_name() const { - return _current_state->device_name; + return _current_state->device_name; } void EngineStateController::available_backends(std::vector<const AudioBackendInfo*>& available_backends) { - available_backends = AudioEngine::instance()->available_backends(); + available_backends = AudioEngine::instance()->available_backends(); } void EngineStateController::enumerate_devices (std::vector<AudioBackend::DeviceStatus>& device_vector) const { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - device_vector = backend->enumerate_devices(); + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + device_vector = backend->enumerate_devices(); } framecnt_t EngineStateController::get_current_sample_rate() const { - return _current_state->sample_rate; + return _current_state->sample_rate; } framecnt_t EngineStateController::get_default_sample_rate() const { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - return backend->default_sample_rate(); + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + return backend->default_sample_rate(); } void EngineStateController::available_sample_rates_for_current_device(std::vector<float>& sample_rates) const { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - sample_rates = backend->available_sample_rates (_current_state->device_name); + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + sample_rates = backend->available_sample_rates (_current_state->device_name); } uint32_t EngineStateController::get_current_buffer_size() const { - return _current_state->buffer_size; + return _current_state->buffer_size; } uint32_t EngineStateController::get_default_buffer_size() const { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - return backend->default_buffer_size(_current_state->device_name); + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + return backend->default_buffer_size(); } void EngineStateController::available_buffer_sizes_for_current_device(std::vector<pframes_t>& buffer_sizes) const { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - buffer_sizes = backend->available_buffer_sizes (_current_state->device_name); + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + buffer_sizes = backend->available_buffer_sizes (_current_state->device_name); } bool EngineStateController::set_new_backend_as_current(const std::string& backend_name) { - if (backend_name == AudioEngine::instance()->current_backend_name ()) { - return true; - } - - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->set_backend (backend_name, PROGRAM_NAME, ""); + if (backend_name == AudioEngine::instance()->current_backend_name () ) { + return true; + } + + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->set_backend (backend_name, PROGRAM_NAME, ""); if (backend) { - if (_current_state != NULL) { - _current_state->active = false; - } - - StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), - State::StatePredicate(backend_name, "None")); - - if (found_state_iter != _states.end()) { - // we found a record for new engine with None device - switch to it - _current_state = *found_state_iter; - _validate_current_device_state(); - } else { - // create new record for this engine with default device - _current_state = boost::shared_ptr<State>(new State()); - _current_state->backend_name = backend_name; - _current_state->device_name = "None"; - _validate_current_device_state(); - _states.push_front(_current_state); - } - - push_current_state_to_backend(false); - + if (_current_state != NULL) { + _current_state->active = false; + } + + StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), + State::StatePredicate(backend_name, "None") ); + + if (found_state_iter != _states.end() ) { + // we found a record for new engine with None device - switch to it + _current_state = *found_state_iter; + _validate_current_device_state(); + } else { + // create new record for this engine with default device + _current_state = boost::shared_ptr<State>(new State() ); + _current_state->backend_name = backend_name; + _current_state->device_name = "None"; + _validate_current_device_state(); + _states.push_front(_current_state); + } + + push_current_state_to_backend(false); + return true; } - - return false; + + return false; } bool EngineStateController::set_new_device_as_current(const std::string& device_name) { - if (_current_state->device_name == device_name) { - return true; - } - - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - - std::vector<AudioBackend::DeviceStatus> device_vector = backend->enumerate_devices(); - - // validate the device - std::vector<AudioBackend::DeviceStatus>::iterator device_iter; - device_iter = std::find_if (device_vector.begin(), device_vector.end(), DevicePredicate(device_name)); - - // device is available - if (device_iter != device_vector.end()) { - - boost::shared_ptr<State> previous_state (_current_state); - - // look through state list and find the record for this device and current engine - StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), - State::StatePredicate(backend->name(), device_name)); - - if (found_state_iter != _states.end()) - { - // we found a record for current engine and provided device name - switch to it - - _current_state = *found_state_iter; - - if (!_validate_current_device_state()) { - _current_state = previous_state; - return false; - } - - } else { - - // the record is not found, create new one - _current_state = boost::shared_ptr<State>(new State()); - - _current_state->backend_name = backend->name(); - _current_state->device_name = device_name; - - if (!_validate_current_device_state()) { - _current_state = previous_state; - return false; - } - - _states.push_front(_current_state); - } - - if (previous_state != NULL) { - previous_state->active = false; - } - + if (_current_state->device_name == device_name) { + return true; + } + + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + + std::vector<AudioBackend::DeviceStatus> device_vector = backend->enumerate_devices(); + + // validate the device + std::vector<AudioBackend::DeviceStatus>::iterator device_iter; + device_iter = std::find_if (device_vector.begin(), device_vector.end(), DevicePredicate(device_name) ); + + // device is available + if (device_iter != device_vector.end() ) { + + boost::shared_ptr<State> previous_state (_current_state); + + // look through state list and find the record for this device and current engine + StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), + State::StatePredicate(backend->name(), device_name) ); + + if (found_state_iter != _states.end() ) + { + // we found a record for current engine and provided device name - switch to it + + _current_state = *found_state_iter; + + if (!_validate_current_device_state() ) { + _current_state = previous_state; + return false; + } + + } else { + + // the record is not found, create new one + _current_state = boost::shared_ptr<State>(new State() ); + + _current_state->backend_name = backend->name(); + _current_state->device_name = device_name; + + if (!_validate_current_device_state() ) { + _current_state = previous_state; + return false; + } + + _states.push_front(_current_state); + } + + if (previous_state != NULL) { + previous_state->active = false; + } + push_current_state_to_backend(false); - _last_used_real_device.clear(); - - if (device_name != "None") { - _last_used_real_device = device_name; - } - - return true; - } - - // device is not supported by current backend - return false; + _last_used_real_device.clear(); + + if (device_name != "None") { + _last_used_real_device = device_name; + } + + return true; + } + + // device is not supported by current backend + return false; } - bool EngineStateController::set_new_sample_rate_in_controller(framecnt_t sample_rate) { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - - std::vector<float> sample_rates = backend->available_sample_rates (_current_state->device_name); - std::vector<float>::iterator iter = std::find (sample_rates.begin(), sample_rates.end(), (float)sample_rate); - - if (iter != sample_rates.end()) { - _current_state->sample_rate = sample_rate; - return true; - } - - return false; + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + + std::vector<float> sample_rates = backend->available_sample_rates (_current_state->device_name); + std::vector<float>::iterator iter = std::find (sample_rates.begin(), sample_rates.end(), (float)sample_rate); + + if (iter != sample_rates.end() ) { + _current_state->sample_rate = sample_rate; + return true; + } + + return false; } bool EngineStateController::set_new_buffer_size_in_controller(pframes_t buffer_size) -{ - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - - std::vector<uint32_t> buffer_sizes = backend->available_buffer_sizes (_current_state->device_name); - std::vector<uint32_t>::iterator iter = std::find (buffer_sizes.begin(), buffer_sizes.end(), buffer_size); - - if (iter != buffer_sizes.end()) { - _current_state->buffer_size = buffer_size; - return true; - } +{ + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + + std::vector<uint32_t> buffer_sizes = backend->available_buffer_sizes (_current_state->device_name); + std::vector<uint32_t>::iterator iter = std::find (buffer_sizes.begin(), buffer_sizes.end(), buffer_size); - return false; + if (iter != buffer_sizes.end() ) { + _current_state->buffer_size = buffer_size; + return true; + } + + return false; } uint32_t EngineStateController::get_available_inputs_count() const { - uint32_t available_channel_count = 0; - - PortStateList::const_iterator iter = _current_state->input_channel_states.begin(); - - for (; iter != _current_state->input_channel_states.end(); ++iter) { - if (iter->active) { - ++available_channel_count; - } - } - - return available_channel_count; + uint32_t available_channel_count = 0; + + PortStateList::const_iterator iter = _current_state->input_channel_states.begin(); + + for (; iter != _current_state->input_channel_states.end(); ++iter) { + if (iter->active) { + ++available_channel_count; + } + } + + return available_channel_count; } uint32_t EngineStateController::get_available_outputs_count () const { - uint32_t available_channel_count = 0; - - PortStateList* output_states; - if (Config->get_output_auto_connect() & AutoConnectMaster) { - output_states = &_current_state->stereo_out_channel_states; - } else { - output_states = &_current_state->multi_out_channel_states; - } - - PortStateList::const_iterator iter = output_states->begin(); - - for (; iter != output_states->end(); ++iter) { - if (iter->active) { - ++available_channel_count; - } - } - - return available_channel_count; + uint32_t available_channel_count = 0; + + PortStateList* output_states; + if (Config->get_output_auto_connect() & AutoConnectMaster) { + output_states = &_current_state->stereo_out_channel_states; + } else { + output_states = &_current_state->multi_out_channel_states; + } + + PortStateList::const_iterator iter = output_states->begin(); + + for (; iter != output_states->end(); ++iter) { + if (iter->active) { + ++available_channel_count; + } + } + + return available_channel_count; } void EngineStateController::get_physical_audio_inputs(std::vector<std::string>& port_names) { - port_names.clear(); - - PortStateList &input_states = _current_state->input_channel_states; - - PortStateList::iterator iter = input_states.begin(); - for (; iter != input_states.end(); ++iter) { - if (iter->active) { - port_names.push_back(iter->name); - } - } + port_names.clear(); + + PortStateList &input_states = _current_state->input_channel_states; + + PortStateList::iterator iter = input_states.begin(); + for (; iter != input_states.end(); ++iter) { + if (iter->active) { + port_names.push_back(iter->name); + } + } } void EngineStateController::get_physical_audio_outputs(std::vector<std::string>& port_names) { - port_names.clear(); - - PortStateList* output_states; - if (Config->get_output_auto_connect() & AutoConnectMaster) { - output_states = &_current_state->stereo_out_channel_states; - } else { - output_states = &_current_state->multi_out_channel_states; - } - - PortStateList::iterator iter = output_states->begin(); - for (; iter != output_states->end(); ++iter) { - if (iter->active) { - port_names.push_back(iter->name); - } - } + port_names.clear(); + + PortStateList* output_states; + if (Config->get_output_auto_connect() & AutoConnectMaster) { + output_states = &_current_state->stereo_out_channel_states; + } else { + output_states = &_current_state->multi_out_channel_states; + } + + PortStateList::iterator iter = output_states->begin(); + for (; iter != output_states->end(); ++iter) { + if (iter->active) { + port_names.push_back(iter->name); + } + } } void EngineStateController::get_physical_midi_inputs (std::vector<std::string>& port_names) { - port_names.clear(); - - MidiPortStateList::iterator iter = _midi_inputs.begin(); - for (; iter != _midi_inputs.end(); ++iter) { - if (iter->available && iter->active) { - port_names.push_back(iter->name); - } - } + port_names.clear(); + + MidiPortStateList::iterator iter = _midi_inputs.begin(); + for (; iter != _midi_inputs.end(); ++iter) { + if (iter->available && iter->active) { + port_names.push_back(iter->name); + } + } } void EngineStateController::get_physical_midi_outputs (std::vector<std::string>& port_names) { - port_names.clear(); - - MidiPortStateList::iterator iter = _midi_outputs.begin(); - for (; iter != _midi_outputs.end(); ++iter) { - if (iter->available && iter->active) { - port_names.push_back(iter->name); - } - } + port_names.clear(); + + MidiPortStateList::iterator iter = _midi_outputs.begin(); + for (; iter != _midi_outputs.end(); ++iter) { + if (iter->available && iter->active) { + port_names.push_back(iter->name); + } + } } void EngineStateController::set_physical_audio_input_state(const std::string& port_name, bool state) { - PortStateList &input_states = _current_state->input_channel_states; - PortStateList::iterator found_state_iter; - found_state_iter = std::find(input_states.begin(), input_states.end(), PortState(port_name)); - - if (found_state_iter != input_states.end() && found_state_iter->active != state ) { - found_state_iter->active = state; - AudioEngine::instance()->reconnect_session_routes(true, false); - - InputConfigChanged(); - } + PortStateList &input_states = _current_state->input_channel_states; + PortStateList::iterator found_state_iter; + found_state_iter = std::find(input_states.begin(), input_states.end(), PortState(port_name) ); + + if (found_state_iter != input_states.end() && found_state_iter->active != state ) { + found_state_iter->active = state; + AudioEngine::instance()->reconnect_session_routes(true, false); + + InputConfigChanged(); + } } void EngineStateController::set_physical_audio_output_state(const std::string& port_name, bool state) { - PortStateList* output_states; - if (Config->get_output_auto_connect() & AutoConnectMaster) { - output_states = &_current_state->stereo_out_channel_states; - } else { - output_states = &_current_state->multi_out_channel_states; - } - - PortStateList::iterator target_state_iter; - target_state_iter = std::find(output_states->begin(), output_states->end(), PortState(port_name)); - - if (target_state_iter != output_states->end() && target_state_iter->active != state ) { - target_state_iter->active = state; - - // if StereoOut mode is used - if (Config->get_output_auto_connect() & AutoConnectMaster) { - - // get next element - PortStateList::iterator next_state_iter(target_state_iter); - - // loopback - if (++next_state_iter == output_states->end()) { - next_state_iter = output_states->begin(); - } - - - // only two outputs should be enabled - if (output_states->size() <= 2) { - - target_state_iter->active = true; - next_state_iter->active = true; - - } else { - - // if current was set to active - activate next and disable the rest - if (target_state_iter->active ) { - next_state_iter->active = true; - } else { - // if current was deactivated but the next is active - if (next_state_iter->active) { - if (++next_state_iter == output_states->end()) { - next_state_iter = output_states->begin(); - } - next_state_iter->active = true; - } else { - // if current was deactivated but the previous is active - restore the state of current - target_state_iter->active = true; // state restored; - --target_state_iter; // switch to previous to make it stop point in the next cycle - target_state_iter->active = true; - } - } - - // now deactivate the rest - while (++next_state_iter != target_state_iter) { - - if (next_state_iter == output_states->end()) { - next_state_iter = output_states->begin(); - // we jumped, so additional check is required - if (next_state_iter == target_state_iter) { - break; - } - } - - next_state_iter->active = false; - } - - } - } - - AudioEngine::instance()->reconnect_session_routes(false, true); - OutputConfigChanged(); - } + PortStateList* output_states; + if (Config->get_output_auto_connect() & AutoConnectMaster) { + output_states = &_current_state->stereo_out_channel_states; + } else { + output_states = &_current_state->multi_out_channel_states; + } + + PortStateList::iterator target_state_iter; + target_state_iter = std::find(output_states->begin(), output_states->end(), PortState(port_name) ); + + if (target_state_iter != output_states->end() && target_state_iter->active != state ) { + target_state_iter->active = state; + + // if StereoOut mode is used + if (Config->get_output_auto_connect() & AutoConnectMaster) { + + // get next element + PortStateList::iterator next_state_iter(target_state_iter); + + // loopback + if (++next_state_iter == output_states->end() ) { + next_state_iter = output_states->begin(); + } + + + // only two outputs should be enabled + if (output_states->size() <= 2) { + + target_state_iter->active = true; + next_state_iter->active = true; + + } else { + + // if current was set to active - activate next and disable the rest + if (target_state_iter->active ) { + next_state_iter->active = true; + } else { + // if current was deactivated but the next is active + if (next_state_iter->active) { + if (++next_state_iter == output_states->end() ) { + next_state_iter = output_states->begin(); + } + next_state_iter->active = true; + } else { + // if current was deactivated but the previous is active - restore the state of current + target_state_iter->active = true; // state restored; + --target_state_iter; // switch to previous to make it stop point in the next cycle + target_state_iter->active = true; + } + } + + // now deactivate the rest + while (++next_state_iter != target_state_iter) { + + if (next_state_iter == output_states->end() ) { + next_state_iter = output_states->begin(); + // we jumped, so additional check is required + if (next_state_iter == target_state_iter) { + break; + } + } + + next_state_iter->active = false; + } + + } + } + + AudioEngine::instance()->reconnect_session_routes(false, true); + OutputConfigChanged(); + } } bool EngineStateController::get_physical_audio_input_state(const std::string& port_name) { - bool state = false; - - PortStateList &input_states = _current_state->input_channel_states; - PortStateList::iterator found_state_iter; - found_state_iter = std::find(input_states.begin(), input_states.end(), PortState(port_name)); - - if (found_state_iter != input_states.end()) { - state = found_state_iter->active; - } - - return state; + bool state = false; + + PortStateList &input_states = _current_state->input_channel_states; + PortStateList::iterator found_state_iter; + found_state_iter = std::find(input_states.begin(), input_states.end(), PortState(port_name) ); + + if (found_state_iter != input_states.end() ) { + state = found_state_iter->active; + } + + return state; } bool EngineStateController::get_physical_audio_output_state(const std::string& port_name) { - bool state = false; - - PortStateList* output_states; - if (Config->get_output_auto_connect() & AutoConnectMaster) { - output_states = &_current_state->stereo_out_channel_states; - } else { - output_states = &_current_state->multi_out_channel_states; - } - - PortStateList::iterator found_state_iter; - found_state_iter = std::find(output_states->begin(), output_states->end(), PortState(port_name)); - - if (found_state_iter != output_states->end()) { - state = found_state_iter->active; - } - - return state; + bool state = false; + + PortStateList* output_states; + if (Config->get_output_auto_connect() & AutoConnectMaster) { + output_states = &_current_state->stereo_out_channel_states; + } else { + output_states = &_current_state->multi_out_channel_states; + } + + PortStateList::iterator found_state_iter; + found_state_iter = std::find(output_states->begin(), output_states->end(), PortState(port_name) ); + + if (found_state_iter != output_states->end() ) { + state = found_state_iter->active; + } + + return state; } void EngineStateController::set_physical_midi_input_state(const std::string& port_name, bool state) { - - MidiPortStateList::iterator found_state_iter; - found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), MidiPortState(port_name)); - - if (found_state_iter != _midi_inputs.end() && found_state_iter->available && found_state_iter->active != state ) { - found_state_iter->active = state; - - if (_session) { - // reconnect MTC inputs as well - if (found_state_iter->mtc_in) { - _session->reconnect_mtc_ports (); - } - _session->reconnect_mmc_ports(true); - } - - MIDIInputConfigChanged(); - } + + MidiPortStateList::iterator found_state_iter; + found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), MidiPortState(port_name) ); + + if (found_state_iter != _midi_inputs.end() && found_state_iter->available && found_state_iter->active != state ) { + found_state_iter->active = state; + + if (_session) { + // reconnect MTC inputs as well + if (found_state_iter->mtc_in) { + _session->reconnect_mtc_ports (); + } + _session->reconnect_mmc_ports(true); + } + + MIDIInputConfigChanged(); + } } void EngineStateController::set_physical_midi_output_state(const std::string& port_name, bool state) { - - MidiPortStateList::iterator found_state_iter; - found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), MidiPortState(port_name)); - - if (found_state_iter != _midi_outputs.end() && found_state_iter->available && found_state_iter->active != state ) { - found_state_iter->active = state; - - if (_session) { - _session->reconnect_mmc_ports(false); - } - - MIDIOutputConfigChanged(); - } + + MidiPortStateList::iterator found_state_iter; + found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), MidiPortState(port_name) ); + + if (found_state_iter != _midi_outputs.end() && found_state_iter->available && found_state_iter->active != state ) { + found_state_iter->active = state; + + if (_session) { + _session->reconnect_mmc_ports(false); + } + + MIDIOutputConfigChanged(); + } } bool EngineStateController::get_physical_midi_input_state(const std::string& port_name, bool& scene_connected) { - - bool state = false; - - MidiPortStateList::iterator found_state_iter; - found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), MidiPortState(port_name)); - - if (found_state_iter != _midi_inputs.end() && found_state_iter->available) { - state = found_state_iter->active; - scene_connected = found_state_iter->scene_connected; - } - - return state; + + bool state = false; + + MidiPortStateList::iterator found_state_iter; + found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), MidiPortState(port_name) ); + + if (found_state_iter != _midi_inputs.end() && found_state_iter->available) { + state = found_state_iter->active; + scene_connected = found_state_iter->scene_connected; + } + + return state; } bool EngineStateController::get_physical_midi_output_state(const std::string& port_name, bool& scene_connected) { - - bool state = false; - - MidiPortStateList::iterator found_state_iter; - found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), MidiPortState(port_name)); - - if (found_state_iter != _midi_outputs.end() && found_state_iter->available) { - state = found_state_iter->active; - scene_connected = found_state_iter->scene_connected; - } - - return state; + + bool state = false; + + MidiPortStateList::iterator found_state_iter; + found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), MidiPortState(port_name) ); + + if (found_state_iter != _midi_outputs.end() && found_state_iter->available) { + state = found_state_iter->active; + scene_connected = found_state_iter->scene_connected; + } + + return state; } void EngineStateController::set_physical_midi_scene_in_connection_state(const std::string& port_name, bool state) { - - MidiPortStateList::iterator found_state_iter; - found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), MidiPortState(port_name)); - - if (found_state_iter != _midi_inputs.end() && found_state_iter->available && found_state_iter->active ) { - found_state_iter->scene_connected = state; - - std::vector<std::string> ports; - ports.push_back(port_name); - MIDISceneInputConnectionChanged(ports, state); - } + + MidiPortStateList::iterator found_state_iter; + found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), MidiPortState(port_name) ); + + if (found_state_iter != _midi_inputs.end() && found_state_iter->available && found_state_iter->active ) { + found_state_iter->scene_connected = state; + + std::vector<std::string> ports; + ports.push_back(port_name); + MIDISceneInputConnectionChanged(ports, state); + } } void EngineStateController::set_physical_midi_scenen_out_connection_state(const std::string& port_name, bool state) { - - MidiPortStateList::iterator found_state_iter; - found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), MidiPortState(port_name)); - - if (found_state_iter != _midi_outputs.end() && found_state_iter->available && found_state_iter->active ) { - found_state_iter->scene_connected = state; - - std::vector<std::string> ports; - ports.push_back(port_name); - MIDISceneOutputConnectionChanged(ports, state); - } + + MidiPortStateList::iterator found_state_iter; + found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), MidiPortState(port_name) ); + + if (found_state_iter != _midi_outputs.end() && found_state_iter->available && found_state_iter->active ) { + found_state_iter->scene_connected = state; + + std::vector<std::string> ports; + ports.push_back(port_name); + MIDISceneOutputConnectionChanged(ports, state); + } } @@ -1176,172 +1255,180 @@ EngineStateController::set_physical_midi_scenen_out_connection_state(const std:: void EngineStateController::set_all_midi_scene_inputs_disconnected() { - MidiPortStateList::iterator iter = _midi_inputs.begin(); - for (; iter != _midi_inputs.end(); ++iter) { - iter->scene_connected = false; - } + MidiPortStateList::iterator iter = _midi_inputs.begin(); + for (; iter != _midi_inputs.end(); ++iter) { + iter->scene_connected = false; + } - std::vector<std::string> ports; - MIDISceneInputConnectionChanged(ports, false); + std::vector<std::string> ports; + MIDISceneInputConnectionChanged(ports, false); } void EngineStateController::set_all_midi_scene_outputs_disconnected() { - MidiPortStateList::iterator iter = _midi_outputs.begin(); - for (; iter != _midi_outputs.end(); ++iter) { - iter->scene_connected = false; - } - - std::vector<std::string> ports; - MIDISceneOutputConnectionChanged(ports, false); + MidiPortStateList::iterator iter = _midi_outputs.begin(); + for (; iter != _midi_outputs.end(); ++iter) { + iter->scene_connected = false; + } + + std::vector<std::string> ports; + MIDISceneOutputConnectionChanged(ports, false); } void -EngineStateController::set_mtc_input(const std::string& port_name) +EngineStateController::set_mtc_source_port (const std::string& port_name) { - MidiPortStateList::iterator iter = _midi_inputs.begin(); - for (; iter != _midi_inputs.end(); ++iter) { - iter->mtc_in = false; - - if (iter->name == port_name) { - iter->mtc_in = true; - - if (_session) { - _session->reconnect_mtc_ports (); - } - } - } - - MTCInputChanged(port_name); + MidiPortStateList::iterator iter = _midi_inputs.begin(); + for (; iter != _midi_inputs.end(); ++iter) { + iter->mtc_in = false; + + if (iter->name == port_name) { + iter->mtc_in = true; + + if (_session) { + _session->reconnect_mtc_ports (); + } + } + } + + if (_session && port_name.empty ()) { + _session->reconnect_mtc_ports (); + } + + MTCInputChanged (port_name); } void EngineStateController::set_state_to_all_inputs(bool state) { - bool something_changed = false; - - PortStateList::iterator iter = _current_state->input_channel_states.begin(); - for (; iter != _current_state->input_channel_states.end(); ++iter) { - if (iter->active != state) { - iter->active = state; - something_changed = true; - } - } - - if (something_changed) { - AudioEngine::instance()->reconnect_session_routes(true, false); - InputConfigChanged(); - } + bool something_changed = false; + + PortStateList::iterator iter = _current_state->input_channel_states.begin(); + for (; iter != _current_state->input_channel_states.end(); ++iter) { + if (iter->active != state) { + iter->active = state; + something_changed = true; + } + } + + if (something_changed) { + AudioEngine::instance()->reconnect_session_routes(true, false); + InputConfigChanged(); + } } void EngineStateController::set_state_to_all_outputs(bool state) { - // unapplicable in Stereo Out mode, just return - if (Config->get_output_auto_connect() & AutoConnectMaster) { - return; - } - - bool something_changed = false; - - PortStateList::iterator iter = _current_state->multi_out_channel_states.begin(); - for (; iter != _current_state->multi_out_channel_states.end(); ++iter) { - if (iter->active != state) { - iter->active = state; - something_changed = true; - } - } - - if (something_changed) { - AudioEngine::instance()->reconnect_session_routes(false, true); - OutputConfigChanged(); - } + // unapplicable in Stereo Out mode, just return + if (Config->get_output_auto_connect() & AutoConnectMaster) { + return; + } + + bool something_changed = false; + + PortStateList::iterator iter = _current_state->multi_out_channel_states.begin(); + for (; iter != _current_state->multi_out_channel_states.end(); ++iter) { + if (iter->active != state) { + iter->active = state; + something_changed = true; + } + } + + if (something_changed) { + AudioEngine::instance()->reconnect_session_routes(false, true); + OutputConfigChanged(); + } } void EngineStateController::get_physical_audio_input_states(std::vector<PortState>& channel_states) { - PortStateList &input_states = _current_state->input_channel_states; - channel_states.assign(input_states.begin(), input_states.end()); + PortStateList &input_states = _current_state->input_channel_states; + channel_states.assign(input_states.begin(), input_states.end()); } void EngineStateController::get_physical_audio_output_states(std::vector<PortState>& channel_states) { - PortStateList* output_states; - if (Config->get_output_auto_connect() & AutoConnectMaster) { - output_states = &_current_state->stereo_out_channel_states; - } else { - output_states = &_current_state->multi_out_channel_states; - } - - channel_states.assign(output_states->begin(), output_states->end()); + PortStateList* output_states; + if (Config->get_output_auto_connect() & AutoConnectMaster) { + output_states = &_current_state->stereo_out_channel_states; + } else { + output_states = &_current_state->multi_out_channel_states; + } + + channel_states.assign(output_states->begin(), output_states->end()); } void EngineStateController::get_physical_midi_input_states (std::vector<MidiPortState>& channel_states) { - channel_states.clear(); - - MidiPortStateList::iterator iter = _midi_inputs.begin(); - - for (; iter != _midi_inputs.end(); ++iter ) { - if (iter->available) { - MidiPortState state(iter->name); - state.active = iter->active; - state.available = true; - state.scene_connected = iter->scene_connected; - state.mtc_in = iter->mtc_in; - channel_states.push_back(state); - } - } + channel_states.clear(); + + MidiPortStateList::iterator iter = _midi_inputs.begin(); + + for (; iter != _midi_inputs.end(); ++iter ) { + if (iter->available) { + MidiPortState state(iter->name); + state.active = iter->active; + state.available = true; + state.scene_connected = iter->scene_connected; + state.mtc_in = iter->mtc_in; + channel_states.push_back(state); + } + } } void EngineStateController::get_physical_midi_output_states (std::vector<MidiPortState>& channel_states) { - channel_states.clear(); - - MidiPortStateList::iterator iter = _midi_outputs.begin(); - - for (; iter != _midi_outputs.end(); ++iter ) { - if (iter->available) { - MidiPortState state(iter->name); - state.active = iter->active; - state.available = true; - state.scene_connected = iter->scene_connected; - state.mtc_in = iter->mtc_in; - channel_states.push_back(state); - } - } + channel_states.clear(); + + MidiPortStateList::iterator iter = _midi_outputs.begin(); + + for (; iter != _midi_outputs.end(); ++iter ) { + if (iter->available) { + MidiPortState state(iter->name); + state.active = iter->active; + state.available = true; + state.scene_connected = iter->scene_connected; + state.mtc_in = iter->mtc_in; + channel_states.push_back(state); + } + } } void EngineStateController::_on_session_loaded () { - if (!_session) { - return; - } - - AudioEngine::instance()->reconnect_session_routes(true, true); - _session->reconnect_mtc_ports (); - _session->reconnect_mmc_ports (true); - _session->reconnect_mmc_ports (false); - - framecnt_t desired_sample_rate = _session->nominal_frame_rate (); - if ( desired_sample_rate > 0 && set_new_sample_rate_in_controller(desired_sample_rate)) + if (!_session) { + return; + } + + AudioEngine::instance()->reconnect_session_routes(true, true); + _session->reconnect_mtc_ports (); + _session->reconnect_mmc_ports (true); + _session->reconnect_mmc_ports (false); + + // This is done during session construction + // _session->reconnect_ltc_input (); + // _session->reconnect_ltc_output (); + + framecnt_t desired_sample_rate = _session->nominal_frame_rate (); + if ( desired_sample_rate > 0 && set_new_sample_rate_in_controller(desired_sample_rate) ) { push_current_state_to_backend(false); - SampleRateChanged(); // emit a signal + SampleRateChanged(); // emit a signal } } @@ -1350,294 +1437,294 @@ void EngineStateController::_on_sample_rate_change(framecnt_t new_sample_rate) { if (_current_state->sample_rate != new_sample_rate) { - - // if sample rate has been changed - framecnt_t sample_rate_to_set = new_sample_rate; - if (AudioEngine::instance()->session()) { - // and we have current session we should restore it back to the one tracks uses - sample_rate_to_set = AudioEngine::instance()->session()->frame_rate (); - } - - if ( !set_new_sample_rate_in_controller (sample_rate_to_set)) { - // if sample rate can't be set - // switch to NONE device - set_new_device_as_current ("None"); - DeviceListChanged(false); + + // if sample rate has been changed + framecnt_t sample_rate_to_set = new_sample_rate; + if (AudioEngine::instance()->session() ) { + // and we have current session we should restore it back to the one tracks uses + sample_rate_to_set = AudioEngine::instance()->session()->frame_rate (); + } + + if ( !set_new_sample_rate_in_controller (sample_rate_to_set) ) { + // if sample rate can't be set + // switch to NONE device + set_new_device_as_current ("None"); + DeviceListChanged(false); DeviceError(); - } - } - - SampleRateChanged(); // emit a signal + } + } + + SampleRateChanged(); // emit a signal } void EngineStateController::_on_buffer_size_change(pframes_t new_buffer_size) { - if (_current_state->buffer_size != new_buffer_size) { - _current_state->buffer_size = new_buffer_size; - } - - BufferSizeChanged(); // emit a signal + if (_current_state->buffer_size != new_buffer_size) { + _current_state->buffer_size = new_buffer_size; + } + + BufferSizeChanged(); // emit a signal } void EngineStateController::_on_device_list_change() { - bool current_device_disconnected = false; - - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - assert(backend); - - std::vector<AudioBackend::DeviceStatus> device_vector = backend->enumerate_devices(); - - // find out out if current device is still available if it's not None - if (_current_state->device_name != "None") { - - std::vector<AudioBackend::DeviceStatus>::iterator device_iter; - device_iter = std::find_if (device_vector.begin(), device_vector.end(), DevicePredicate(_current_state->device_name)); - - // if current device is not available any more - switch to None device - if (device_iter == device_vector.end()) { - - StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), - State::StatePredicate(_current_state->backend_name, "None")); - - if (found_state_iter != _states.end()) { - // found the record - switch to it - _current_state = *found_state_iter; - _validate_current_device_state(); - } else { - // create new record for this engine with default device - _current_state = boost::shared_ptr<State>(new State()); - _current_state->backend_name = backend->name(); - _current_state->device_name = "None"; - _validate_current_device_state(); - _states.push_front(_current_state); - } - - push_current_state_to_backend(true); - current_device_disconnected = true; - } - } else { - // if the device which was active before is available now - switch to it - - std::vector<AudioBackend::DeviceStatus>::iterator device_iter; - device_iter = std::find_if (device_vector.begin(), device_vector.end(), DevicePredicate(_last_used_real_device)); - - if (device_iter != device_vector.end()) { - StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), - State::StatePredicate(_current_state->backend_name, - _last_used_real_device)); - - if (found_state_iter != _states.end()) { - - boost::shared_ptr<State> previous_state (_current_state); - _current_state = *found_state_iter; - - if (_validate_current_device_state()) { - push_current_state_to_backend(false); - } else { - // cannot use this device right now - _last_used_real_device.clear(); - _current_state = previous_state; - } - } - } - } - - DeviceListChanged(current_device_disconnected); // emit a signal + bool current_device_disconnected = false; + + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + assert(backend); + + std::vector<AudioBackend::DeviceStatus> device_vector = backend->enumerate_devices(); + + // find out out if current device is still available if it's not None + if (_current_state->device_name != "None") + { + std::vector<AudioBackend::DeviceStatus>::iterator device_iter; + device_iter = std::find_if (device_vector.begin(), device_vector.end(), DevicePredicate(_current_state->device_name) ); + + // if current device is not available any more - switch to None device + if (device_iter == device_vector.end() ) { + + StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), + State::StatePredicate(_current_state->backend_name, "None") ); + + if (found_state_iter != _states.end() ) { + // found the record - switch to it + _current_state = *found_state_iter; + _validate_current_device_state(); + } else { + // create new record for this engine with default device + _current_state = boost::shared_ptr<State>(new State() ); + _current_state->backend_name = backend->name(); + _current_state->device_name = "None"; + _validate_current_device_state(); + _states.push_front(_current_state); + } + + push_current_state_to_backend(true); + current_device_disconnected = true; + } + } else { + // if the device which was active before is available now - switch to it + + std::vector<AudioBackend::DeviceStatus>::iterator device_iter; + device_iter = std::find_if (device_vector.begin(), device_vector.end(), DevicePredicate(_last_used_real_device) ); + + if (device_iter != device_vector.end() ) { + StateList::iterator found_state_iter = find_if (_states.begin(), _states.end(), + State::StatePredicate(_current_state->backend_name, + _last_used_real_device) ); + + if (found_state_iter != _states.end() ) { + + boost::shared_ptr<State> previous_state (_current_state); + _current_state = *found_state_iter; + + if (_validate_current_device_state() ) { + push_current_state_to_backend(false); + } else { + // cannot use this device right now + _last_used_real_device.clear(); + _current_state = previous_state; + } + } + } + } + + DeviceListChanged(current_device_disconnected); // emit a signal } void EngineStateController::_update_device_channels_state() { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); assert(backend); - - // update audio input states - std::vector<std::string> phys_audio_inputs; - backend->get_physical_inputs(DataType::AUDIO, phys_audio_inputs); - - PortStateList new_input_states; - PortStateList &input_states = _current_state->input_channel_states; - - std::vector<std::string>::const_iterator input_iter = phys_audio_inputs.begin(); - for (; input_iter != phys_audio_inputs.end(); ++input_iter) { - - PortState state(*input_iter); - state.active = true; - PortStateList::const_iterator found_state_iter = std::find(input_states.begin(), input_states.end(), state); - - if (found_state_iter != input_states.end()) { - new_input_states.push_back(*found_state_iter); - } else { - new_input_states.push_back(state); - } - } - _current_state->input_channel_states = new_input_states; - - // update audio output states (multi out mode) - std::vector<std::string> phys_audio_outputs; - backend->get_physical_outputs(DataType::AUDIO, phys_audio_outputs); - - PortStateList new_output_states; - PortStateList &output_multi_states = _current_state->multi_out_channel_states; - - std::vector<std::string>::const_iterator output_iter = phys_audio_outputs.begin(); - for (; output_iter != phys_audio_outputs.end(); ++output_iter) { - - PortState state(*output_iter); - state.active = true; - PortStateList::const_iterator found_state_iter = std::find(output_multi_states.begin(), output_multi_states.end(), state); - - if (found_state_iter != output_multi_states.end()) { - new_output_states.push_back(*found_state_iter); - } else { - new_output_states.push_back(state); - } - } - - _current_state->multi_out_channel_states = new_output_states; - - // update audio output states (stereo out mode) - new_output_states.clear(); - PortStateList &output_stereo_states = _current_state->stereo_out_channel_states; - - output_iter = phys_audio_outputs.begin(); - for (; output_iter != phys_audio_outputs.end(); ++output_iter) { - - PortState state(*output_iter); - state.active = true; - PortStateList::const_iterator found_state_iter = std::find(output_stereo_states.begin(), output_stereo_states.end(), state); - - if (found_state_iter != output_stereo_states.end()) { - new_output_states.push_back(*found_state_iter); - } else { - new_output_states.push_back(state); - } - } - - _current_state->stereo_out_channel_states = new_output_states; - _refresh_stereo_out_channel_states(); - - - // update midi ports: unlike audio ports which states are saved per device - // each midi port state is saved individualy - // so get all midi ports from the backend - // and compare to the list of midi ports we have - // if physical port is new, add it to our state list - // if physical port is present in our state list - mark it available - // if there is no corresponding physical port to one we have in a list - leave it unavailable - MidiPortStateList::iterator iter = _midi_inputs.begin(); - for (; iter != _midi_inputs.end(); ++iter) { - iter->available = false; - } - - for (iter = _midi_outputs.begin(); iter != _midi_outputs.end(); ++iter) { - iter->available = false; - } - - // update midi input ports - std::vector<std::string> phys_midi_inputs; - backend->get_physical_inputs(DataType::MIDI, phys_midi_inputs); - - std::vector<std::string>::const_iterator midi_input_iter = phys_midi_inputs.begin(); - for (; midi_input_iter != phys_midi_inputs.end(); ++midi_input_iter) { - - MidiPortState state(*midi_input_iter); - state.active = false; - state.available = true; - MidiPortStateList::iterator found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), state); - - if (found_state_iter != _midi_inputs.end()) { - found_state_iter->available = true; - } else { - _midi_inputs.push_back(state); - } - } - - // update midi output ports - std::vector<std::string> phys_midi_outputs; - backend->get_physical_outputs(DataType::MIDI, phys_midi_outputs); - - std::vector<std::string>::const_iterator midi_output_iter = phys_midi_outputs.begin(); - for (; midi_output_iter != phys_midi_outputs.end(); ++midi_output_iter) { - - MidiPortState state(*midi_output_iter); - state.active = false; - state.available = true; - MidiPortStateList::iterator found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), state); - - if (found_state_iter != _midi_outputs.end()) { - found_state_iter->available = true; - } else { - _midi_outputs.push_back(state); - } - } + + // update audio input states + std::vector<std::string> phys_audio_inputs; + backend->get_physical_inputs(DataType::AUDIO, phys_audio_inputs); + + PortStateList new_input_states; + PortStateList &input_states = _current_state->input_channel_states; + + std::vector<std::string>::const_iterator input_iter = phys_audio_inputs.begin(); + for (; input_iter != phys_audio_inputs.end(); ++input_iter) { + + PortState state(*input_iter); + state.active = true; + PortStateList::const_iterator found_state_iter = std::find(input_states.begin(), input_states.end(), state); + + if (found_state_iter != input_states.end() ) { + new_input_states.push_back(*found_state_iter); + } else { + new_input_states.push_back(state); + } + } + _current_state->input_channel_states = new_input_states; + + // update audio output states (multi out mode) + std::vector<std::string> phys_audio_outputs; + backend->get_physical_outputs(DataType::AUDIO, phys_audio_outputs); + + PortStateList new_output_states; + PortStateList &output_multi_states = _current_state->multi_out_channel_states; + + std::vector<std::string>::const_iterator output_iter = phys_audio_outputs.begin(); + for (; output_iter != phys_audio_outputs.end(); ++output_iter) { + + PortState state(*output_iter); + state.active = true; + PortStateList::const_iterator found_state_iter = std::find(output_multi_states.begin(), output_multi_states.end(), state); + + if (found_state_iter != output_multi_states.end() ) { + new_output_states.push_back(*found_state_iter); + } else { + new_output_states.push_back(state); + } + } + + _current_state->multi_out_channel_states = new_output_states; + + // update audio output states (stereo out mode) + new_output_states.clear(); + PortStateList &output_stereo_states = _current_state->stereo_out_channel_states; + + output_iter = phys_audio_outputs.begin(); + for (; output_iter != phys_audio_outputs.end(); ++output_iter) { + + PortState state(*output_iter); + state.active = true; + PortStateList::const_iterator found_state_iter = std::find(output_stereo_states.begin(), output_stereo_states.end(), state); + + if (found_state_iter != output_stereo_states.end() ) { + new_output_states.push_back(*found_state_iter); + } else { + new_output_states.push_back(state); + } + } + + _current_state->stereo_out_channel_states = new_output_states; + _refresh_stereo_out_channel_states(); + + + // update midi ports: unlike audio ports which states are saved per device + // each midi port state is saved individualy + // so get all midi ports from the backend + // and compare to the list of midi ports we have + // if physical port is new, add it to our state list + // if physical port is present in our state list - mark it available + // if there is no corresponding physical port to one we have in a list - leave it unavailable + MidiPortStateList::iterator iter = _midi_inputs.begin(); + for (; iter != _midi_inputs.end(); ++iter) { + iter->available = false; + } + + for (iter = _midi_outputs.begin(); iter != _midi_outputs.end(); ++iter) { + iter->available = false; + } + + // update midi input ports + std::vector<std::string> phys_midi_inputs; + backend->get_physical_inputs(DataType::MIDI, phys_midi_inputs); + + std::vector<std::string>::const_iterator midi_input_iter = phys_midi_inputs.begin(); + for (; midi_input_iter != phys_midi_inputs.end(); ++midi_input_iter) { + + MidiPortState state(*midi_input_iter); + state.active = false; + state.available = true; + MidiPortStateList::iterator found_state_iter = std::find(_midi_inputs.begin(), _midi_inputs.end(), state); + + if (found_state_iter != _midi_inputs.end() ) { + found_state_iter->available = true; + } else { + _midi_inputs.push_back(state); + } + } + + // update midi output ports + std::vector<std::string> phys_midi_outputs; + backend->get_physical_outputs(DataType::MIDI, phys_midi_outputs); + + std::vector<std::string>::const_iterator midi_output_iter = phys_midi_outputs.begin(); + for (; midi_output_iter != phys_midi_outputs.end(); ++midi_output_iter) { + + MidiPortState state(*midi_output_iter); + state.active = false; + state.available = true; + MidiPortStateList::iterator found_state_iter = std::find(_midi_outputs.begin(), _midi_outputs.end(), state); + + if (found_state_iter != _midi_outputs.end() ) { + found_state_iter->available = true; + } else { + _midi_outputs.push_back(state); + } + } } void EngineStateController::_refresh_stereo_out_channel_states() { - PortStateList &output_states = _current_state->stereo_out_channel_states; - PortStateList::iterator active_iter = output_states.begin(); - - for (; active_iter != output_states.end(); ++active_iter) { - if (active_iter->active) { - break; - } - } - - uint32_t pending_active_channels = 2; - PortStateList::iterator iter = output_states.begin(); - // if found active - if (active_iter != output_states.end()) { - iter = active_iter; - if (++iter == output_states.end()) { - iter = output_states.begin(); - } - - (iter++)->active = true; - pending_active_channels = 0; - } - - // drop the rest of the states to false (until we reach the end or first existing active channel) - for (; iter != output_states.end() && iter != active_iter; ++iter) { - if (pending_active_channels) { - iter->active = true; - --pending_active_channels; - } else { - iter->active = false; - } - } + PortStateList &output_states = _current_state->stereo_out_channel_states; + PortStateList::iterator active_iter = output_states.begin(); + + for (; active_iter != output_states.end(); ++active_iter) { + if (active_iter->active) { + break; + } + } + + uint32_t pending_active_channels = 2; + PortStateList::iterator iter = output_states.begin(); + // if found active + if (active_iter != output_states.end() ) { + iter = active_iter; + if (++iter == output_states.end() ) { + iter = output_states.begin(); + } + + (iter++)->active = true; + pending_active_channels = 0; + } + + // drop the rest of the states to false (until we reach the end or first existing active channel) + for (; iter != output_states.end() && iter != active_iter; ++iter) { + if (pending_active_channels) { + iter->active = true; + --pending_active_channels; + } else { + iter->active = false; + } + } } void EngineStateController::_on_engine_running () { - AudioEngine::instance()->reconnect_session_routes(true, true); - _current_state->active = true; - - EngineRunning(); // emit a signal + AudioEngine::instance()->reconnect_session_routes(true, true); + _current_state->active = true; + + EngineRunning(); // emit a signal } void EngineStateController::_on_engine_stopped () { - EngineStopped(); + EngineStopped(); } void EngineStateController::_on_engine_halted () { - EngineHalted(); + EngineHalted(); } @@ -1654,77 +1741,91 @@ EngineStateController::_on_device_error() void EngineStateController::_on_parameter_changed (const std::string& parameter_name) { - if (parameter_name == "output-auto-connect") { - - AudioEngine::instance()->reconnect_session_routes(false, true); - OutputConfigChanged(); // emit a signal - OutputConnectionModeChanged(); // emit signal - } + if (parameter_name == "output-auto-connect") { + + AudioEngine::instance()->reconnect_session_routes(false, true); + OutputConfigChanged(); // emit a signal + OutputConnectionModeChanged(); // emit signal + } } void EngineStateController::_on_ports_registration_update () { - _update_device_channels_state(); - - // update MIDI connections - if (_session) { - _session->reconnect_midi_scene_ports (true); - _session->reconnect_midi_scene_ports (false); - - _session->reconnect_mtc_ports (); - - _session->reconnect_mmc_ports (true); - _session->reconnect_mmc_ports (false); - } - - PortRegistrationChanged(); // emit a signal + _update_device_channels_state(); + + // update MIDI connections + if (_session) { + _session->reconnect_midi_scene_ports (true); + _session->reconnect_midi_scene_ports (false); + + _session->reconnect_mtc_ports (); + + _session->reconnect_mmc_ports (true); + _session->reconnect_mmc_ports (false); + + _session->reconnect_ltc_input (); + _session->reconnect_ltc_output (); + } + + _update_ltc_source_port (); + _update_ltc_output_port (); + + PortRegistrationChanged (); // emit a signal } bool EngineStateController::push_current_state_to_backend(bool start) { - boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); - + boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend(); + if (!backend) { return false; } - - // check if anything changed - bool state_changed = (_current_state->device_name != backend->device_name()) || - (_current_state->sample_rate != backend->sample_rate()) || - (_current_state->buffer_size != backend->buffer_size()); - - bool was_running = AudioEngine::instance()->running(); - - Glib::Threads::RecMutex::Lock sl (AudioEngine::instance()->state_lock()); - if (state_changed) { - - if (was_running) { - if (AudioEngine::instance()->stop ()) { - return false; - } - } + + // check if anything changed + bool state_changed = (_current_state->device_name != backend->device_name() ) || + (_current_state->sample_rate != backend->sample_rate() ) || + (_current_state->buffer_size != backend->buffer_size() ); + + bool was_running = AudioEngine::instance()->running(); + + Glib::Threads::RecMutex::Lock sl (AudioEngine::instance()->state_lock() ); + if (state_changed) { + + if (was_running) { + + if (_current_state->device_name != backend->device_name()) { + // device has been changed + // the list of ports has been changed too + // current ltc_source_port and ltc_output_port aren't available + set_ltc_source_port (""); + set_ltc_output_port (""); + } + + if (AudioEngine::instance()->stop () ) { + return false; + } + } int result = 0; - { std::cout << "EngineStateController::Setting device: " << _current_state->device_name << std::endl; - if ((_current_state->device_name != backend->device_name()) && (result = backend->set_device_name (_current_state->device_name))) { + if ((_current_state->device_name != backend->device_name()) && (result = backend->set_device_name (_current_state->device_name)) ) { error << string_compose (_("Cannot set device name to %1"), get_current_device_name()) << endmsg; } - + if (!result ) { std::cout << "EngineStateController::Setting device sample rate " << _current_state->sample_rate << std::endl; result = backend->set_sample_rate (_current_state->sample_rate); - + if (result) { error << string_compose (_("Cannot set sample rate to %1"), get_current_sample_rate()) << endmsg; } } - + if (!result ) { std::cout << "EngineStateController::Setting device buffer size " << _current_state->buffer_size << std::endl; result = backend->set_buffer_size (_current_state->buffer_size); @@ -1734,33 +1835,73 @@ EngineStateController::push_current_state_to_backend(bool start) } } } - - if (result) { // error during device setup + + if (result) // error during device setup + { //switch to None device and notify about the issue set_new_device_as_current ("None"); DeviceListChanged(false); DeviceError(); } - if (AudioEngine::instance()->backend_reset_requested()) { + if (AudioEngine::instance()->backend_reset_requested() ) { // device asked for reset, do not start engine now // free sate lock and let Engine reset the device as it's required return true; } - } - - if (start || (was_running && state_changed)) { - if (AudioEngine::instance()->start () && !AudioEngine::instance()->is_reset_requested()) { + } + + if(start || (was_running && state_changed) ) { + if (AudioEngine::instance()->start () && !AudioEngine::instance()->is_reset_requested() ) { //switch to None device and notify about the issue set_new_device_as_current ("None"); AudioEngine::instance()->start (); DeviceListChanged(false); DeviceError(); - return false; - } + return false; + } } + + save_audio_midi_settings(); + + return true; +} - save_audio_midi_settings(); - return true; +std::string +EngineStateController::get_mtc_source_port () +{ + MidiPortStateList::const_iterator state_iter = _midi_inputs.begin(); + for (; state_iter != _midi_inputs.end(); ++state_iter) { + if (state_iter->available && state_iter->mtc_in) { + return (state_iter->name); + } + } + + return ""; } + +void +EngineStateController::set_ltc_source_port (const std::string& port) +{ + Config->set_ltc_source_port (port); +} + +std::string +EngineStateController::get_ltc_source_port () +{ + return Config->get_ltc_source_port (); +} + +void +EngineStateController::set_ltc_output_port (const std::string& port) +{ + Config->set_ltc_output_port (port); +} + +std::string +EngineStateController::get_ltc_output_port () +{ + return Config->get_ltc_output_port (); +} + |