X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudioengine.cc;h=815b84729448a3601edfb2c1759d0f6dc7ababff;hb=c9e78d432ffefdbff9ba21a08af2356b041185b8;hp=fe9c064efaf49275bc7f11e58a727f2ff343ef83;hpb=ace07c80a81a631eb8ff95155e5ace2751838809;p=ardour.git diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc index fe9c064efa..815b847294 100644 --- a/libs/ardour/audioengine.cc +++ b/libs/ardour/audioengine.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2002 Paul Davis + Copyright (C) 2002 Paul Davis 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 @@ -25,27 +25,37 @@ #include #include +#include +#include +#include + #include "pbd/pthread_utils.h" #include "pbd/stacktrace.h" #include "pbd/unknown_type.h" +#include "pbd/epa.h" -#include "midi++/jack.h" +#include "midi++/port.h" +#include "midi++/mmc.h" +#include "midi++/manager.h" +#include "ardour/amp.h" +#include "ardour/audio_port.h" #include "ardour/audioengine.h" #include "ardour/buffer.h" -#include "ardour/port.h" -#include "ardour/audio_port.h" -#include "ardour/midi_port.h" -#include "ardour/session.h" +#include "ardour/buffer_set.h" #include "ardour/cycle_timer.h" -#include "ardour/utils.h" +#include "ardour/delivery.h" #include "ardour/event_type_map.h" +#include "ardour/internal_return.h" #include "ardour/io.h" -#include "ardour/amp.h" +#include "ardour/meter.h" +#include "ardour/midi_port.h" +#include "ardour/process_thread.h" +#include "ardour/port.h" #include "ardour/port_set.h" -#include "ardour/buffer_set.h" - +#include "ardour/session.h" #include "ardour/timestamps.h" +#include "ardour/utils.h" #include "i18n.h" @@ -54,38 +64,45 @@ using namespace ARDOUR; using namespace PBD; gint AudioEngine::m_meter_exit; +AudioEngine* AudioEngine::_instance = 0; + +#define GET_PRIVATE_JACK_POINTER(j) jack_client_t* _priv_jack = (jack_client_t*) (j); if (!_priv_jack) { return; } +#define GET_PRIVATE_JACK_POINTER_RET(j,r) jack_client_t* _priv_jack = (jack_client_t*) (j); if (!_priv_jack) { return r; } -AudioEngine::AudioEngine (string client_name) +AudioEngine::AudioEngine (string client_name, string session_uuid) : ports (new Ports) { - session = 0; + _instance = this; /* singleton */ + session_remove_pending = false; _running = false; _has_run = false; last_monitor_check = 0; - monitor_check_interval = max_frames; + monitor_check_interval = INT32_MAX; _processed_frames = 0; _usecs_per_cycle = 0; _jack = 0; _frame_rate = 0; _buffer_size = 0; - _freewheel_thread_registered = false; _freewheeling = false; + _main_thread = 0; m_meter_thread = 0; g_atomic_int_set (&m_meter_exit, 0); - if (connect_to_jack (client_name)) { + if (connect_to_jack (client_name, session_uuid)) { throw NoBackendAvailable (); } Port::set_engine (this); - + // Initialize parameter metadata (e.g. ranges) Evoral::Parameter p(NullAutomation); p = EventTypeMap::instance().new_parameter(NullAutomation); p = EventTypeMap::instance().new_parameter(GainAutomation); - p = EventTypeMap::instance().new_parameter(PanAutomation); + p = EventTypeMap::instance().new_parameter(PanAzimuthAutomation); + p = EventTypeMap::instance().new_parameter(PanElevationAutomation); + p = EventTypeMap::instance().new_parameter(PanWidthAutomation); p = EventTypeMap::instance().new_parameter(PluginAutomation); p = EventTypeMap::instance().new_parameter(SoloAutomation); p = EventTypeMap::instance().new_parameter(MuteAutomation); @@ -104,12 +121,12 @@ AudioEngine::~AudioEngine () { Glib::Mutex::Lock tm (_process_lock); session_removed.signal (); - + if (_running) { jack_client_close (_jack); _jack = 0; } - + stop_metering_thread (); } } @@ -121,78 +138,110 @@ AudioEngine::jack() const } void -_thread_init_callback (void *arg) +_thread_init_callback (void * /*arg*/) { /* make sure that anybody who needs to know about this thread knows about it. */ - PBD::notify_gui_about_thread_creation (pthread_self(), X_("Audioengine"), 4096); -#ifdef WITH_JACK_MIDI - MIDI::JACK_MidiPort::set_process_thread (pthread_self()); -#endif // WITH_JACK_MIDI + pthread_set_name (X_("audioengine")); + + PBD::notify_gui_about_thread_creation ("gui", pthread_self(), X_("Audioengine"), 4096); + PBD::notify_gui_about_thread_creation ("midiui", pthread_self(), X_("Audioengine"), 128); + + SessionEvent::create_per_thread_pool (X_("Audioengine"), 512); + + MIDI::Port::set_process_thread (pthread_self()); +} + +static void +ardour_jack_error (const char* msg) +{ + error << "JACK: " << msg << endmsg; +} + +void +AudioEngine::set_jack_callbacks () +{ + GET_PRIVATE_JACK_POINTER (_jack); + + if (jack_on_info_shutdown) { + jack_on_info_shutdown (_priv_jack, halted_info, this); + } else { + jack_on_shutdown (_priv_jack, halted, this); + } + + jack_set_graph_order_callback (_priv_jack, _graph_order_callback, this); + jack_set_thread_init_callback (_priv_jack, _thread_init_callback, this); + jack_set_process_thread (_priv_jack, _process_thread, this); + jack_set_sample_rate_callback (_priv_jack, _sample_rate_callback, this); + jack_set_buffer_size_callback (_priv_jack, _bufsize_callback, this); + jack_set_xrun_callback (_priv_jack, _xrun_callback, this); + jack_set_sync_callback (_priv_jack, _jack_sync_callback, this); + jack_set_freewheel_callback (_priv_jack, _freewheel_callback, this); + jack_set_port_registration_callback (_priv_jack, _registration_callback, this); + jack_set_port_connect_callback (_priv_jack, _connect_callback, this); + + if (_session && _session->config.get_jack_time_master()) { + jack_set_timebase_callback (_priv_jack, 0, _jack_timebase_callback, this); + } + +#ifdef HAVE_JACK_SESSION + if( jack_set_session_callback) + jack_set_session_callback (_priv_jack, _session_callback, this); +#endif +#if HAVE_JACK_NEW_LATENCY + if (jack_set_latency_callback) { + jack_set_latency_callback (_priv_jack, _latency_callback, this); + } +#endif + + jack_set_error_function (ardour_jack_error); } int AudioEngine::start () { - if (!_jack) { - error << _("AudioEngine::start() called while disconnected from JACK") << endmsg; - return -1; - } + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); if (!_running) { - nframes_t blocksize = jack_get_buffer_size (_jack); - - if (session) { - BootMessage (_("Connect session to engine")); + pframes_t blocksize; + + if (jack_port_type_get_buffer_size) { + blocksize = jack_port_type_get_buffer_size (_priv_jack, JACK_DEFAULT_AUDIO_TYPE); + } else { + warning << _("This version of JACK is old - you should upgrade to a newer version that supports jack_port_type_get_buffer_size()") << endmsg; + blocksize = jack_get_buffer_size (_priv_jack); + } - session->set_block_size (blocksize); - session->set_frame_rate (jack_get_sample_rate (_jack)); - - /* page in as much of the session process code as we - can before we really start running. - */ - - session->process (blocksize); - session->process (blocksize); - session->process (blocksize); - session->process (blocksize); - session->process (blocksize); - session->process (blocksize); - session->process (blocksize); - session->process (blocksize); + if (_session) { + BootMessage (_("Connect session to engine")); + _session->set_block_size (blocksize); + _session->set_frame_rate (jack_get_sample_rate (_priv_jack)); } _processed_frames = 0; last_monitor_check = 0; - jack_on_shutdown (_jack, halted, this); - jack_set_graph_order_callback (_jack, _graph_order_callback, this); - jack_set_thread_init_callback (_jack, _thread_init_callback, this); - jack_set_process_callback (_jack, _process_callback, this); - jack_set_sample_rate_callback (_jack, _sample_rate_callback, this); - jack_set_buffer_size_callback (_jack, _bufsize_callback, this); - jack_set_xrun_callback (_jack, _xrun_callback, this); - jack_set_sync_callback (_jack, _jack_sync_callback, this); - jack_set_freewheel_callback (_jack, _freewheel_callback, this); - - if (session && session->config.get_jack_time_master()) { - jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this); - } + set_jack_callbacks (); + + /* a proxy for whether jack_activate() will definitely call the buffer size + * callback. with older versions of JACK, this function symbol will be null. + * this is reliable, but not clean. + */ + + if (!jack_port_type_get_buffer_size) { + jack_bufsize_callback (blocksize); + } - if (jack_activate (_jack) == 0) { + if (jack_activate (_priv_jack) == 0) { _running = true; _has_run = true; Running(); /* EMIT SIGNAL */ } else { // error << _("cannot activate JACK client") << endmsg; } - - start_metering_thread(); - - _raw_buffer_sizes[DataType::AUDIO] = blocksize * sizeof(float); } return _running ? 0 : -1; @@ -201,54 +250,65 @@ AudioEngine::start () int AudioEngine::stop (bool forever) { - if (_jack) { + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); + + if (_priv_jack) { if (forever) { disconnect_from_jack (); } else { - jack_deactivate (_jack); + jack_deactivate (_priv_jack); Stopped(); /* EMIT SIGNAL */ + MIDI::Port::JackHalted (); /* EMIT SIGNAL */ } } + if (forever) { + stop_metering_thread (); + } + return _running ? -1 : 0; } bool -AudioEngine::get_sync_offset (nframes_t& offset) const +AudioEngine::get_sync_offset (pframes_t& offset) const { #ifdef HAVE_JACK_VIDEO_SUPPORT + GET_PRIVATE_JACK_POINTER_RET (_jack, false); + jack_position_t pos; - - if (_jack) { - (void) jack_transport_query (_jack, &pos); - + + if (_priv_jack) { + (void) jack_transport_query (_priv_jack, &pos); + if (pos.valid & JackVideoFrameOffset) { offset = pos.video_offset; return true; } } - +#else + /* keep gcc happy */ + offset = 0; #endif return false; } void -AudioEngine::_jack_timebase_callback (jack_transport_state_t state, nframes_t nframes, +AudioEngine::_jack_timebase_callback (jack_transport_state_t state, pframes_t nframes, jack_position_t* pos, int new_position, void *arg) { static_cast (arg)->jack_timebase_callback (state, nframes, pos, new_position); } void -AudioEngine::jack_timebase_callback (jack_transport_state_t state, nframes_t nframes, +AudioEngine::jack_timebase_callback (jack_transport_state_t state, pframes_t nframes, jack_position_t* pos, int new_position) { - if (_jack && session && session->synced_to_jack()) { - session->jack_timebase_callback (state, nframes, pos, new_position); + if (_jack && _session && _session->synced_to_jack()) { + _session->jack_timebase_callback (state, nframes, pos, new_position); } } @@ -261,8 +321,8 @@ AudioEngine::_jack_sync_callback (jack_transport_state_t state, jack_position_t* int AudioEngine::jack_sync_callback (jack_transport_state_t state, jack_position_t* pos) { - if (_jack && session) { - return session->jack_sync_callback (state, pos); + if (_jack && _session) { + return _session->jack_sync_callback (state, pos); } return true; @@ -278,6 +338,17 @@ AudioEngine::_xrun_callback (void *arg) return 0; } +#ifdef HAVE_JACK_SESSION +void +AudioEngine::_session_callback (jack_session_event_t *event, void *arg) +{ + printf( "helo.... " ); + AudioEngine* ae = static_cast (arg); + if (ae->connected()) { + ae->JackSessionEvent ( event ); /* EMIT SIGNAL */ + } +} +#endif int AudioEngine::_graph_order_callback (void *arg) { @@ -294,11 +365,17 @@ AudioEngine::_graph_order_callback (void *arg) * @param arg User argument passed by JACK, which will be the AudioEngine*. */ int -AudioEngine::_process_callback (nframes_t nframes, void *arg) +AudioEngine::_process_callback (pframes_t nframes, void *arg) { return static_cast (arg)->process_callback (nframes); } +void* +AudioEngine::_process_thread (void *arg) +{ + return static_cast (arg)->process_thread (); +} + void AudioEngine::_freewheel_callback (int onoff, void *arg) { @@ -306,11 +383,53 @@ AudioEngine::_freewheel_callback (int onoff, void *arg) } void -AudioEngine::split_cycle (nframes_t offset) +AudioEngine::_registration_callback (jack_port_id_t /*id*/, int /*reg*/, void* arg) +{ + AudioEngine* ae = static_cast (arg); + ae->PortRegisteredOrUnregistered (); /* EMIT SIGNAL */ +} + +#ifdef HAVE_JACK_NEW_LATENCY +void +AudioEngine::_latency_callback (jack_latency_callback_mode_t mode, void* arg) +{ + return static_cast (arg)->jack_latency_callback (mode); +} +#endif + +void +AudioEngine::_connect_callback (jack_port_id_t id_a, jack_port_id_t id_b, int conn, void* arg) +{ + AudioEngine* ae = static_cast (arg); + + GET_PRIVATE_JACK_POINTER (ae->_jack); + + jack_port_t* jack_port_a = jack_port_by_id (_priv_jack, id_a); + jack_port_t* jack_port_b = jack_port_by_id (_priv_jack, id_b); + + Port* port_a = 0; + Port* port_b = 0; + + boost::shared_ptr pr = ae->ports.reader (); + Ports::iterator i = pr->begin (); + while (i != pr->end() && (port_a == 0 || port_b == 0)) { + if (jack_port_a == (*i)->_jack_port) { + port_a = *i; + } else if (jack_port_b == (*i)->_jack_port) { + port_b = *i; + } + ++i; + } + + ae->PortConnectedOrDisconnected (port_a, port_b, conn == 0 ? false : true); /* EMIT SIGNAL */ +} + +void +AudioEngine::split_cycle (pframes_t offset) { /* caller must hold process lock */ - Port::increment_port_offset (offset); + AudioPort::increment_port_offset (offset); /* tell all Ports that we're going to start a new (split) cycle */ @@ -321,29 +440,61 @@ AudioEngine::split_cycle (nframes_t offset) } } +void +AudioEngine::finish_process_cycle (int /* status*/ ) +{ + GET_PRIVATE_JACK_POINTER(_jack); + jack_cycle_signal (_jack, 0); +} + +void* +AudioEngine::process_thread () +{ + /* JACK doesn't do this for us when we use the wait API + */ + + _thread_init_callback (0); + + _main_thread = new ProcessThread; + + while (1) { + GET_PRIVATE_JACK_POINTER_RET(_jack,0); + pframes_t nframes = jack_cycle_wait (_jack); + + if (process_callback (nframes)) { + cerr << "--- process\n"; + return 0; + } + + finish_process_cycle (0); + } + + return 0; +} + /** Method called by JACK (via _process_callback) which says that there * is work to be done. * @param nframes Number of frames to process. */ int -AudioEngine::process_callback (nframes_t nframes) +AudioEngine::process_callback (pframes_t nframes) { + GET_PRIVATE_JACK_POINTER_RET(_jack,0); // CycleTimer ct ("AudioEngine::process"); - Glib::Mutex::Lock tm (_process_lock, Glib::TRY_LOCK); /// The number of frames that will have been processed when we've finished - nframes_t next_processed_frames; - + pframes_t next_processed_frames; + /* handle wrap around of total frames counter */ - if (max_frames - _processed_frames < nframes) { - next_processed_frames = nframes - (max_frames - _processed_frames); + if (max_framepos - _processed_frames < nframes) { + next_processed_frames = nframes - (max_framepos - _processed_frames); } else { next_processed_frames = _processed_frames + nframes; } - if (!tm.locked() || session == 0) { + if (!tm.locked() || _session == 0) { /* return having done nothing */ _processed_frames = next_processed_frames; return 0; @@ -351,17 +502,18 @@ AudioEngine::process_callback (nframes_t nframes) if (session_remove_pending) { /* perform the actual session removal */ - session = 0; + _session = 0; session_remove_pending = false; session_removed.signal(); _processed_frames = next_processed_frames; return 0; } - /* tell all IO objects that we're starting a new cycle */ + /* tell all relevant objects that we're starting a new cycle */ - IO::CycleStart (nframes); - Port::set_port_offset (0); + Delivery::CycleStart (nframes); + AudioPort::set_port_offset (0); + InternalReturn::CycleStart (nframes); /* tell all Ports that we're starting a new cycle */ @@ -371,18 +523,25 @@ AudioEngine::process_callback (nframes_t nframes) (*i)->cycle_start (nframes); } - if (_freewheeling) { - /* emit the Freewheel signal and stop freewheeling in the event of trouble */ - if (Freewheel (nframes)) { - jack_set_freewheel (_jack, false); + /* test if we are freewheeling and there are freewheel signals connected. + ardour should act normally even when freewheeling unless /it/ is exporting */ + + + if (_freewheeling && !Freewheel.empty()) { + /* emit the Freewheel signal and stop freewheeling in the event of trouble + */ + boost::optional r = Freewheel (nframes); + if (r.get_value_or (0)) { + jack_set_freewheel (_priv_jack, false); } } else { - if (session) { - session->process (nframes); + if (_session) { + _session->process (nframes); + } } - + if (_freewheeling) { return 0; } @@ -397,13 +556,13 @@ AudioEngine::process_callback (nframes_t nframes) boost::shared_ptr p = ports.reader(); for (Ports::iterator i = p->begin(); i != p->end(); ++i) { - + Port *port = (*i); bool x; - + if (port->_last_monitor != (x = port->monitoring_input ())) { port->_last_monitor = x; - /* XXX I think this is dangerous, due to + /* XXX I think this is dangerous, due to a likely mutex in the signal handlers ... */ port->MonitorInputChanged (x); /* EMIT SIGNAL */ @@ -412,19 +571,19 @@ AudioEngine::process_callback (nframes_t nframes) last_monitor_check = next_processed_frames; } - if (session->silent()) { + if (_session->silent()) { boost::shared_ptr p = ports.reader(); for (Ports::iterator i = p->begin(); i != p->end(); ++i) { - + Port *port = (*i); - + if (port->sends_output()) { port->get_buffer(nframes).silence(nframes); } } - } + } // Finalize ports @@ -437,24 +596,24 @@ AudioEngine::process_callback (nframes_t nframes) } int -AudioEngine::_sample_rate_callback (nframes_t nframes, void *arg) +AudioEngine::_sample_rate_callback (pframes_t nframes, void *arg) { return static_cast (arg)->jack_sample_rate_callback (nframes); } int -AudioEngine::jack_sample_rate_callback (nframes_t nframes) +AudioEngine::jack_sample_rate_callback (pframes_t nframes) { _frame_rate = nframes; _usecs_per_cycle = (int) floor ((((double) frames_per_cycle() / nframes)) * 1000000.0); - + /* check for monitor input change every 1/10th of second */ monitor_check_interval = nframes / 10; last_monitor_check = 0; - - if (session) { - session->set_frame_rate (nframes); + + if (_session) { + _session->set_frame_rate (nframes); } SampleRateChanged (nframes); /* EMIT SIGNAL */ @@ -462,30 +621,48 @@ AudioEngine::jack_sample_rate_callback (nframes_t nframes) return 0; } +#ifdef HAVE_JACK_NEW_LATENCY +void +AudioEngine::jack_latency_callback (jack_latency_callback_mode_t mode) +{ + if (_session) { + _session->update_latency (mode == JackPlaybackLatency); + } +} +#endif + int -AudioEngine::_bufsize_callback (nframes_t nframes, void *arg) +AudioEngine::_bufsize_callback (pframes_t nframes, void *arg) { return static_cast (arg)->jack_bufsize_callback (nframes); } int -AudioEngine::jack_bufsize_callback (nframes_t nframes) +AudioEngine::jack_bufsize_callback (pframes_t nframes) { + /* if the size has not changed, this should be a no-op */ + + if (nframes == _buffer_size) { + return 0; + } + + GET_PRIVATE_JACK_POINTER_RET (_jack, 1); + _buffer_size = nframes; - _raw_buffer_sizes[DataType::AUDIO] = nframes * sizeof(float); - cout << "FIXME: Assuming maximum MIDI buffer size " << nframes * 4 << "bytes" << endl; - _raw_buffer_sizes[DataType::MIDI] = nframes * 4; _usecs_per_cycle = (int) floor ((((double) nframes / frame_rate())) * 1000000.0); last_monitor_check = 0; + _raw_buffer_sizes[DataType::AUDIO] = jack_port_type_get_buffer_size (_priv_jack, JACK_DEFAULT_AUDIO_TYPE); + _raw_buffer_sizes[DataType::MIDI] = jack_port_type_get_buffer_size (_priv_jack, JACK_DEFAULT_MIDI_TYPE); + boost::shared_ptr p = ports.reader(); for (Ports::iterator i = p->begin(); i != p->end(); ++i) { (*i)->reset(); } - if (session) { - session->set_block_size (_buffer_size); + if (_session) { + _session->set_block_size (_buffer_size); } return 0; @@ -506,7 +683,7 @@ AudioEngine::start_metering_thread () { if (m_meter_thread == 0) { g_atomic_int_set (&m_meter_exit, 0); - m_meter_thread = Glib::Thread::create (sigc::mem_fun(this, &AudioEngine::meter_thread), + m_meter_thread = Glib::Thread::create (boost::bind (&AudioEngine::meter_thread, this), 500000, true, true, Glib::THREAD_PRIORITY_NORMAL); } } @@ -514,90 +691,96 @@ AudioEngine::start_metering_thread () void AudioEngine::meter_thread () { + pthread_set_name (X_("meter")); + while (true) { Glib::usleep (10000); /* 1/100th sec interval */ if (g_atomic_int_get(&m_meter_exit)) { break; } - IO::update_meters (); + Metering::Meter (); } } -void +void AudioEngine::set_session (Session *s) { Glib::Mutex::Lock pl (_process_lock); - if (!session) { + SessionHandlePtr::set_session (s); - session = s; + if (_session) { - nframes_t blocksize = jack_get_buffer_size (_jack); + start_metering_thread (); + + pframes_t blocksize = jack_get_buffer_size (_jack); /* page in as much of the session process code as we can before we really start running. */ boost::shared_ptr p = ports.reader(); - + for (Ports::iterator i = p->begin(); i != p->end(); ++i) { (*i)->cycle_start (blocksize); } - - s->process (blocksize); - s->process (blocksize); - s->process (blocksize); - s->process (blocksize); - s->process (blocksize); - s->process (blocksize); - s->process (blocksize); - s->process (blocksize); - + + _session->process (blocksize); + _session->process (blocksize); + _session->process (blocksize); + _session->process (blocksize); + _session->process (blocksize); + _session->process (blocksize); + _session->process (blocksize); + _session->process (blocksize); + for (Ports::iterator i = p->begin(); i != p->end(); ++i) { (*i)->cycle_end (blocksize); } } } -void +void AudioEngine::remove_session () { Glib::Mutex::Lock lm (_process_lock); if (_running) { - if (session) { + stop_metering_thread (); + + if (_session) { session_remove_pending = true; session_removed.wait(_process_lock); } } else { - session = 0; + SessionHandlePtr::set_session (0); } - - //FIXME: Preliminary bugfix for http://tracker.ardour.org/view.php?id=1985 - //remove_all_ports (); + + remove_all_ports (); } void AudioEngine::port_registration_failure (const std::string& portname) { + GET_PRIVATE_JACK_POINTER (_jack); string full_portname = jack_client_name; full_portname += ':'; full_portname += portname; - - - jack_port_t* p = jack_port_by_name (_jack, full_portname.c_str()); + + + jack_port_t* p = jack_port_by_name (_priv_jack, full_portname.c_str()); string reason; - + if (p) { reason = string_compose (_("a port with the name \"%1\" already exists: check for duplicated track/bus names"), portname); } else { - reason = _("No more JACK ports are available. You will need to stop Ardour and restart JACK with ports if you need this many tracks."); + reason = string_compose (_("No more JACK ports are available. You will need to stop %1 and restart JACK with ports if you need this many tracks."), PROGRAM_NAME); } - + throw PortRegistrationFailure (string_compose (_("AudioEngine: cannot register port \"%1\": %2"), portname, reason).c_str()); -} +} Port * AudioEngine::register_port (DataType dtype, const string& portname, bool input) @@ -612,7 +795,7 @@ AudioEngine::register_port (DataType dtype, const string& portname, bool input) } else { throw PortRegistrationFailure("unable to create port (unknown type)"); } - + size_t& old_buffer_size = _raw_buffer_sizes[newport->type()]; size_t port_buffer_size = newport->raw_buffer_size(0); if (port_buffer_size > old_buffer_size) { @@ -655,7 +838,7 @@ AudioEngine::unregister_port (Port& port) { /* caller must hold process lock */ - if (!_running) { + if (!_running) { /* probably happening when the engine has been halted by JACK, in which case, there is nothing we can do here. */ @@ -665,7 +848,7 @@ AudioEngine::unregister_port (Port& port) { RCUWriter writer (ports); boost::shared_ptr ps = writer.get_copy (); - + for (Ports::iterator i = ps->begin(); i != ps->end(); ++i) { if ((*i) == &port) { delete *i; @@ -673,20 +856,16 @@ AudioEngine::unregister_port (Port& port) break; } } - + /* writer goes out of scope, forces update */ } - - remove_connections_for (port); return 0; } -int +int AudioEngine::connect (const string& source, const string& destination) { - /* caller must hold process lock */ - int ret; if (!_running) { @@ -701,36 +880,33 @@ AudioEngine::connect (const string& source, const string& destination) string s = make_port_name_non_relative (source); string d = make_port_name_non_relative (destination); - Port* src = get_port_by_name_locked (s); - Port* dst = get_port_by_name_locked (d); - if (src) { - ret = src->connect (d); + Port* src = get_port_by_name (s); + Port* dst = get_port_by_name (d); + + if (src) { + ret = src->connect (d); } else if (dst) { - ret = dst->connect (s); + ret = dst->connect (s); } else { /* neither port is known to us, and this API isn't intended for use as a general patch bay */ ret = -1; } - + if (ret > 0) { - error << string_compose(_("AudioEngine: connection already exists: %1 (%2) to %3 (%4)"), - source, s, destination, d) - << endmsg; + /* already exists - no error, no warning */ } else if (ret < 0) { - error << string_compose(_("AudioEngine: cannot connect %1 (%2) to %3 (%4)"), - source, s, destination, d) + error << string_compose(_("AudioEngine: cannot connect %1 (%2) to %3 (%4)"), + source, s, destination, d) << endmsg; } return ret; } -int +int AudioEngine::disconnect (const string& source, const string& destination) { - /* caller must hold process lock */ - int ret; if (!_running) { @@ -741,12 +917,12 @@ AudioEngine::disconnect (const string& source, const string& destination) return -1; } } - + string s = make_port_name_non_relative (source); string d = make_port_name_non_relative (destination); - Port* src = get_port_by_name_locked (s); - Port* dst = get_port_by_name_locked (d); + Port* src = get_port_by_name (s); + Port* dst = get_port_by_name (d); if (src) { ret = src->disconnect (d); @@ -762,6 +938,8 @@ AudioEngine::disconnect (const string& source, const string& destination) int AudioEngine::disconnect (Port& port) { + GET_PRIVATE_JACK_POINTER_RET (_jack,-1); + if (!_running) { if (!_has_run) { fatal << _("disconnect called before engine was started") << endmsg; @@ -774,20 +952,14 @@ AudioEngine::disconnect (Port& port) return port.disconnect_all (); } -ARDOUR::nframes_t -AudioEngine::frame_rate () +ARDOUR::framecnt_t +AudioEngine::frame_rate () const { - if (_jack) { - if (_frame_rate == 0) { - return (_frame_rate = jack_get_sample_rate (_jack)); - } else { - return _frame_rate; - } + GET_PRIVATE_JACK_POINTER_RET (_jack, 0); + if (_frame_rate == 0) { + return (_frame_rate = jack_get_sample_rate (_priv_jack)); } else { - fatal << X_("programming error: AudioEngine::frame_rate() called while disconnected from JACK") - << endmsg; - /*NOTREACHED*/ - return 0; + return _frame_rate; } } @@ -798,53 +970,38 @@ AudioEngine::raw_buffer_size (DataType t) return (s != _raw_buffer_sizes.end()) ? s->second : 0; } -ARDOUR::nframes_t -AudioEngine::frames_per_cycle () +ARDOUR::pframes_t +AudioEngine::frames_per_cycle () const { - if (_jack) { - if (_buffer_size == 0) { - return (_buffer_size = jack_get_buffer_size (_jack)); - } else { - return _buffer_size; - } + GET_PRIVATE_JACK_POINTER_RET (_jack,0); + if (_buffer_size == 0) { + return jack_get_buffer_size (_jack); } else { - fatal << X_("programming error: AudioEngine::frame_rate() called while disconnected from JACK") - << endmsg; - /*NOTREACHED*/ - return 0; + return _buffer_size; } } -/** @param name Full name of port (including prefix:) +/** @param name Full or short name of port * @return Corresponding Port*, or 0. This object remains the property of the AudioEngine * so must not be deleted. */ Port * AudioEngine::get_port_by_name (const string& portname) { - assert (portname.find_first_of (':') != string::npos); - - Glib::Mutex::Lock lm (_process_lock); - return get_port_by_name_locked (portname); -} - -Port * -AudioEngine::get_port_by_name_locked (const string& portname) -{ - /* caller must hold process lock */ - if (!_running) { if (!_has_run) { - fatal << _("get_port_by_name_locked() called before engine was started") << endmsg; + fatal << _("get_port_by_name() called before engine was started") << endmsg; /*NOTREACHED*/ } else { return 0; } } - if (portname.substr (0, jack_client_name.length ()) != jack_client_name) { - /* not an ardour: port */ - return 0; + if (portname.find_first_of (':') != string::npos) { + if (portname.substr (0, jack_client_name.length ()) != jack_client_name) { + /* not an ardour: port */ + return 0; + } } std::string const rel = make_port_name_relative (portname); @@ -860,13 +1017,10 @@ AudioEngine::get_port_by_name_locked (const string& portname) return 0; } - - - - const char ** AudioEngine::get_ports (const string& port_name_pattern, const string& type_name_pattern, uint32_t flags) { + GET_PRIVATE_JACK_POINTER_RET (_jack,0); if (!_running) { if (!_has_run) { fatal << _("get_ports called before engine was started") << endmsg; @@ -875,12 +1029,46 @@ AudioEngine::get_ports (const string& port_name_pattern, const string& type_name return 0; } } - return jack_get_ports (_jack, port_name_pattern.c_str(), type_name_pattern.c_str(), flags); + return jack_get_ports (_priv_jack, port_name_pattern.c_str(), type_name_pattern.c_str(), flags); +} + +void +AudioEngine::halted_info (jack_status_t code, const char* reason, void *arg) +{ + /* called from jack shutdown handler */ + + AudioEngine* ae = static_cast (arg); + bool was_running = ae->_running; + + ae->stop_metering_thread (); + + ae->_running = false; + ae->_buffer_size = 0; + ae->_frame_rate = 0; + ae->_jack = 0; + + if (was_running) { +#ifdef HAVE_JACK_ON_INFO_SHUTDOWN + switch (code) { + case JackBackendError: + ae->Halted(reason); /* EMIT SIGNAL */ + break; + default: + ae->Halted(""); /* EMIT SIGNAL */ + } +#else + ae->Halted(""); /* EMIT SIGNAL */ +#endif + } } void AudioEngine::halted (void *arg) { + cerr << "HALTED by JACK\n"; + + /* called from jack shutdown handler */ + AudioEngine* ae = static_cast (arg); bool was_running = ae->_running; @@ -889,22 +1077,34 @@ AudioEngine::halted (void *arg) ae->_running = false; ae->_buffer_size = 0; ae->_frame_rate = 0; + ae->_jack = 0; if (was_running) { - ae->Halted(); /* EMIT SIGNAL */ + ae->Halted(""); /* EMIT SIGNAL */ + MIDI::Port::JackHalted (); /* EMIT SIGNAL */ } } +void +AudioEngine::died () +{ + /* called from a signal handler for SIGPIPE */ + + stop_metering_thread (); + + _running = false; + _buffer_size = 0; + _frame_rate = 0; + _jack = 0; +} + bool -AudioEngine::can_request_hardware_monitoring () +AudioEngine::can_request_hardware_monitoring () { + GET_PRIVATE_JACK_POINTER_RET (_jack,false); const char ** ports; - if (!_jack) { - return 0; - } - - if ((ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortCanMonitor)) == 0) { + if ((ports = jack_get_ports (_priv_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortCanMonitor)) == 0) { return false; } @@ -913,215 +1113,142 @@ AudioEngine::can_request_hardware_monitoring () return true; } - -uint32_t -AudioEngine::n_physical_outputs (DataType type) const +ChanCount +AudioEngine::n_physical (unsigned long flags) const { - const char ** ports; - uint32_t i = 0; + ChanCount c; + + GET_PRIVATE_JACK_POINTER_RET (_jack, c); - if (!_jack) { - return 0; + const char ** ports = jack_get_ports (_priv_jack, NULL, NULL, JackPortIsPhysical | flags); + if (ports == 0) { + return c; } - if ((ports = jack_get_ports (_jack, NULL, type.to_jack_type(), JackPortIsPhysical|JackPortIsInput)) == 0) { - return 0; + for (uint32_t i = 0; ports[i]; ++i) { + if (!strstr (ports[i], "Midi-Through")) { + DataType t (jack_port_type (jack_port_by_name (_jack, ports[i]))); + c.set (t, c.get (t) + 1); + } } - for (i = 0; ports[i]; ++i) {} free (ports); - return i; + return c; } -uint32_t -AudioEngine::n_physical_inputs (DataType type) const +ChanCount +AudioEngine::n_physical_inputs () const { - const char ** ports; - uint32_t i = 0; - - if (!_jack) { - return 0; - } - - if ((ports = jack_get_ports (_jack, NULL, type.to_jack_type(), JackPortIsPhysical|JackPortIsOutput)) == 0) { - return 0; - } + return n_physical (JackPortIsInput); +} - if (ports) { - for (i = 0; ports[i]; ++i) {} - free (ports); - } - return i; +ChanCount +AudioEngine::n_physical_outputs () const +{ + return n_physical (JackPortIsOutput); } void -AudioEngine::get_physical_inputs (DataType type, vector& ins) +AudioEngine::get_physical (DataType type, unsigned long flags, vector& phy) { + GET_PRIVATE_JACK_POINTER (_jack); const char ** ports; - uint32_t i = 0; - - if (!_jack) { - return; - } - - if ((ports = jack_get_ports (_jack, NULL, type.to_jack_type(), JackPortIsPhysical|JackPortIsOutput)) == 0) { + + if ((ports = jack_get_ports (_priv_jack, NULL, type.to_jack_type(), JackPortIsPhysical | flags)) == 0) { return; } if (ports) { - for (i = 0; ports[i]; ++i) { - ins.push_back (ports[i]); + for (uint32_t i = 0; ports[i]; ++i) { + if (strstr (ports[i], "Midi-Through")) { + continue; + } + phy.push_back (ports[i]); } free (ports); } } +/** Get physical ports for which JackPortIsOutput is set; ie those that correspond to + * a physical input connector. + */ void -AudioEngine::get_physical_outputs (DataType type, vector& outs) +AudioEngine::get_physical_inputs (DataType type, vector& ins) { - const char ** ports; - uint32_t i = 0; - - if (!_jack) { - return; - } - - if ((ports = jack_get_ports (_jack, NULL, type.to_jack_type(), JackPortIsPhysical|JackPortIsInput)) == 0) { - return; - } - - if (ports) { - for (i = 0; ports[i]; ++i) { - outs.push_back (ports[i]); - } - free (ports); - } + get_physical (type, JackPortIsOutput, ins); } -string -AudioEngine::get_nth_physical (DataType type, uint32_t n, int flag) +/** Get physical ports for which JackPortIsInput is set; ie those that correspond to + * a physical output connector. + */ +void +AudioEngine::get_physical_outputs (DataType type, vector& outs) { - const char ** ports; - uint32_t i; - string ret; - - assert(type != DataType::NIL); - - if (!_running || !_jack) { - if (!_has_run) { - fatal << _("get_nth_physical called before engine was started") << endmsg; - /*NOTREACHED*/ - } else { - return ""; - } - } - - ports = jack_get_ports (_jack, NULL, type.to_jack_type(), JackPortIsPhysical|flag); - - if (ports == 0) { - return ""; - } - - for (i = 0; i < n && ports[i]; ++i) {} - - if (ports[i]) { - ret = ports[i]; - } - - free ((char *) ports); - - return ret; + get_physical (type, JackPortIsInput, outs); } void AudioEngine::update_total_latency (const Port& port) { - if (!_jack) { - fatal << _("update_total_latency() called with no JACK client connection") << endmsg; - /*NOTREACHED*/ - } - - if (!_running) { - if (!_has_run) { - fatal << _("update_total_latency() called before engine was started") << endmsg; - /*NOTREACHED*/ - } - } - port.recompute_total_latency (); } void AudioEngine::transport_stop () { - if (_jack) { - jack_transport_stop (_jack); - } + GET_PRIVATE_JACK_POINTER (_jack); + jack_transport_stop (_priv_jack); } void AudioEngine::transport_start () { - if (_jack) { - jack_transport_start (_jack); - } + GET_PRIVATE_JACK_POINTER (_jack); + jack_transport_start (_priv_jack); } void -AudioEngine::transport_locate (nframes_t where) +AudioEngine::transport_locate (framepos_t where) { + GET_PRIVATE_JACK_POINTER (_jack); // cerr << "tell JACK to locate to " << where << endl; - if (_jack) { - jack_transport_locate (_jack, where); - } + jack_transport_locate (_priv_jack, where); } AudioEngine::TransportState AudioEngine::transport_state () { - if (_jack) { - jack_position_t pos; - return (TransportState) jack_transport_query (_jack, &pos); - } else { - return (TransportState) JackTransportStopped; - } + GET_PRIVATE_JACK_POINTER_RET (_jack, ((TransportState) JackTransportStopped)); + jack_position_t pos; + return (TransportState) jack_transport_query (_priv_jack, &pos); } int AudioEngine::reset_timebase () { - if (_jack && session) { - if (session->config.get_jack_time_master()) { - return jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this); + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); + if (_session) { + if (_session->config.get_jack_time_master()) { + return jack_set_timebase_callback (_priv_jack, 0, _jack_timebase_callback, this); } else { return jack_release_timebase (_jack); } - } else { - return -1; } + return 0; } int AudioEngine::freewheel (bool onoff) { - if (_jack) { - - if (onoff != _freewheeling) { - - if (onoff) { - _freewheel_thread_registered = false; - } - - return jack_set_freewheel (_jack, onoff); - - } else { - /* already doing what has been asked for */ - return 0; - } + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); + if (onoff != _freewheeling) { + return jack_set_freewheel (_priv_jack, onoff); + } else { - return -1; + /* already doing what has been asked for */ + return 0; } } @@ -1133,90 +1260,70 @@ AudioEngine::remove_all_ports () { RCUWriter writer (ports); boost::shared_ptr ps = writer.get_copy (); - ps->clear (); - } -} -void -AudioEngine::remove_connections_for (Port& port) -{ - for (PortConnections::iterator i = port_connections.begin(); i != port_connections.end(); ) { - PortConnections::iterator tmp; - - tmp = i; - ++tmp; - - if ((*i).first == port.name()) { - port_connections.erase (i); + for (Ports::iterator i = ps->begin(); i != ps->end(); ++i) { + delete *i; } - i = tmp; + ps->clear (); } -} - -#ifdef HAVE_JACK_CLIENT_OPEN + /* clear dead wood list too */ -static void -ardour_jack_error (const char* msg) -{ - error << "JACK: " << msg << endmsg; + ports.flush (); } int -AudioEngine::connect_to_jack (string client_name) +AudioEngine::connect_to_jack (string client_name, string session_uuid) { + EnvironmentalProtectionAgency* global_epa = EnvironmentalProtectionAgency::get_global_epa (); + boost::scoped_ptr current_epa; jack_options_t options = JackNullOption; jack_status_t status; const char *server_name = NULL; + /* revert all environment settings back to whatever they were when ardour started + */ + + if (global_epa) { + current_epa.reset (new EnvironmentalProtectionAgency(true)); /* will restore settings when we leave scope */ + global_epa->restore (); + } + jack_client_name = client_name; /* might be reset below */ - _jack = jack_client_open (jack_client_name.c_str(), options, &status, server_name); +#ifdef HAVE_JACK_SESSION + if (! session_uuid.empty()) + _jack = jack_client_open (jack_client_name.c_str(), JackSessionID, &status, session_uuid.c_str()); + else +#endif + _jack = jack_client_open (jack_client_name.c_str(), options, &status, server_name); if (_jack == NULL) { // error message is not useful here return -1; } + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); + if (status & JackNameNotUnique) { - jack_client_name = jack_get_client_name (_jack); + jack_client_name = jack_get_client_name (_priv_jack); } - jack_set_error_function (ardour_jack_error); - return 0; } -#else - int -AudioEngine::connect_to_jack (string client_name) -{ - jack_client_name = client_name; - - if ((_jack = jack_client_new (client_name.c_str())) == 0) { - return -1; - } - - return 0; -} - -#endif /* HAVE_JACK_CLIENT_OPEN */ - -int AudioEngine::disconnect_from_jack () { - if (!_jack) { - return 0; - } + GET_PRIVATE_JACK_POINTER_RET (_jack, 0); if (_running) { stop_metering_thread (); } - { + { Glib::Mutex::Lock lm (_process_lock); - jack_client_close (_jack); + jack_client_close (_priv_jack); _jack = 0; } @@ -1227,6 +1334,7 @@ AudioEngine::disconnect_from_jack () if (_running) { _running = false; Stopped(); /* EMIT SIGNAL */ + MIDI::Port::JackHalted (); /* EMIT SIGNAL */ } return 0; @@ -1241,7 +1349,7 @@ AudioEngine::reconnect_to_jack () Glib::usleep (250000); } - if (connect_to_jack (jack_client_name)) { + if (connect_to_jack (jack_client_name, "")) { error << _("failed to connect to JACK") << endmsg; return -1; } @@ -1253,44 +1361,30 @@ AudioEngine::reconnect_to_jack () for (i = p->begin(); i != p->end(); ++i) { if ((*i)->reestablish ()) { break; - } + } } if (i != p->end()) { /* failed */ remove_all_ports (); return -1; - } + } + GET_PRIVATE_JACK_POINTER_RET (_jack,-1); - if (session) { - session->reset_jack_connection (_jack); - nframes_t blocksize = jack_get_buffer_size (_jack); - session->set_block_size (blocksize); - session->set_frame_rate (jack_get_sample_rate (_jack)); - - _raw_buffer_sizes[DataType::AUDIO] = blocksize * sizeof(float); - cout << "FIXME: Assuming maximum MIDI buffer size " << blocksize * 4 << "bytes" << endl; - _raw_buffer_sizes[DataType::MIDI] = blocksize * 4; + MIDI::Manager::instance()->reestablish (_priv_jack); + + if (_session) { + _session->reset_jack_connection (_priv_jack); + jack_bufsize_callback (jack_get_buffer_size (_priv_jack)); + _session->set_frame_rate (jack_get_sample_rate (_priv_jack)); } last_monitor_check = 0; - - jack_on_shutdown (_jack, halted, this); - jack_set_graph_order_callback (_jack, _graph_order_callback, this); - jack_set_thread_init_callback (_jack, _thread_init_callback, this); - jack_set_process_callback (_jack, _process_callback, this); - jack_set_sample_rate_callback (_jack, _sample_rate_callback, this); - jack_set_buffer_size_callback (_jack, _bufsize_callback, this); - jack_set_xrun_callback (_jack, _xrun_callback, this); - jack_set_sync_callback (_jack, _jack_sync_callback, this); - jack_set_freewheel_callback (_jack, _freewheel_callback, this); - - if (session && session->config.get_jack_time_master()) { - jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this); - } - - if (jack_activate (_jack) == 0) { + + set_jack_callbacks (); + + if (jack_activate (_priv_jack) == 0) { _running = true; _has_run = true; } else { @@ -1298,11 +1392,13 @@ AudioEngine::reconnect_to_jack () } /* re-establish connections */ - + for (i = p->begin(); i != p->end(); ++i) { (*i)->reconnect (); } + MIDI::Manager::instance()->reconnect (); + Running (); /* EMIT SIGNAL*/ start_metering_thread (); @@ -1311,37 +1407,30 @@ AudioEngine::reconnect_to_jack () } int -AudioEngine::request_buffer_size (nframes_t nframes) +AudioEngine::request_buffer_size (pframes_t nframes) { - if (_jack) { - - if (nframes == jack_get_buffer_size (_jack)) { - return 0; - } - - return jack_set_buffer_size (_jack, nframes); + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); - } else { - return -1; + if (nframes == jack_get_buffer_size (_priv_jack)) { + return 0; } + + return jack_set_buffer_size (_priv_jack, nframes); } void AudioEngine::update_total_latencies () { -#ifdef HAVE_JACK_RECOMPUTE_LATENCIES - if (_jack) { - jack_recompute_total_latencies (_jack); - } -#endif + GET_PRIVATE_JACK_POINTER (_jack); + jack_recompute_total_latencies (_priv_jack); } - + string AudioEngine::make_port_name_relative (string portname) { string::size_type len; string::size_type n; - + len = portname.length(); for (n = 0; n < len; ++n) { @@ -1349,7 +1438,7 @@ AudioEngine::make_port_name_relative (string portname) break; } } - + if ((n != len) && (portname.substr (0, n) == jack_client_name)) { return portname.substr (n+1); } @@ -1369,16 +1458,39 @@ AudioEngine::make_port_name_non_relative (string portname) str = jack_client_name; str += ':'; str += portname; - + return str; } bool AudioEngine::is_realtime () const { - if (_jack) { - return jack_is_realtime (_jack); - } else { - return false; - } + GET_PRIVATE_JACK_POINTER_RET (_jack,false); + return jack_is_realtime (_priv_jack); +} + +int +AudioEngine::create_process_thread (boost::function f, pthread_t* thread, size_t stacksize) +{ + GET_PRIVATE_JACK_POINTER_RET (_jack, 0); + ThreadData* td = new ThreadData (this, f, stacksize); + + if (jack_client_create_thread (_priv_jack, thread, jack_client_real_time_priority (_priv_jack), + jack_is_realtime (_priv_jack), _start_process_thread, td)) { + return -1; + } + + return 0; +} + +void* +AudioEngine::_start_process_thread (void* arg) +{ + ThreadData* td = reinterpret_cast (arg); + boost::function f = td->f; + delete td; + + f (); + + return 0; }