X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudioengine.cc;h=2e5aea9047282a6e1ba75e46b6b2cfdfff1174d4;hb=e374518ca9c4643874eee3877e270eef32d95f18;hp=8ec97debd48dd2024dd813d3f53d04f0fc67ce0f;hpb=c78c44ccd7bb5ce4903385b1c18613160fbb61bf;p=ardour.git diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc index 8ec97debd4..2e5aea9047 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 @@ -25,24 +25,29 @@ #include #include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#ifdef VST_SUPPORT -#include -#endif - -#include +#include "pbd/pthread_utils.h" +#include "pbd/stacktrace.h" +#include "pbd/unknown_type.h" + +#include "midi++/jack.h" + +#include "ardour/amp.h" +#include "ardour/audio_port.h" +#include "ardour/audioengine.h" +#include "ardour/buffer.h" +#include "ardour/buffer_set.h" +#include "ardour/cycle_timer.h" +#include "ardour/delivery.h" +#include "ardour/event_type_map.h" +#include "ardour/internal_return.h" +#include "ardour/io.h" +#include "ardour/meter.h" +#include "ardour/midi_port.h" +#include "ardour/port.h" +#include "ardour/port_set.h" +#include "ardour/session.h" +#include "ardour/timestamps.h" +#include "ardour/utils.h" #include "i18n.h" @@ -51,16 +56,16 @@ using namespace ARDOUR; using namespace PBD; gint AudioEngine::m_meter_exit; +AudioEngine* AudioEngine::_instance = 0; -static void -ardour_jack_error (const char* msg) -{ - error << "JACK: " << msg << endmsg; -} +#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) : ports (new Ports) { + _instance = this; /* singleton */ + session = 0; session_remove_pending = false; _running = false; @@ -68,13 +73,12 @@ AudioEngine::AudioEngine (string client_name) last_monitor_check = 0; monitor_check_interval = max_frames; _processed_frames = 0; - _freewheeling = false; _usecs_per_cycle = 0; _jack = 0; _frame_rate = 0; _buffer_size = 0; - _freewheeling = false; _freewheel_thread_registered = false; + _freewheeling = false; m_meter_thread = 0; g_atomic_int_set (&m_meter_exit, 0); @@ -83,9 +87,24 @@ AudioEngine::AudioEngine (string client_name) throw NoBackendAvailable (); } - start_metering_thread(); - 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(PluginAutomation); + p = EventTypeMap::instance().new_parameter(SoloAutomation); + p = EventTypeMap::instance().new_parameter(MuteAutomation); + p = EventTypeMap::instance().new_parameter(MidiCCAutomation); + p = EventTypeMap::instance().new_parameter(MidiPgmChangeAutomation); + p = EventTypeMap::instance().new_parameter(MidiPitchBenderAutomation); + p = EventTypeMap::instance().new_parameter(MidiChannelPressureAutomation); + p = EventTypeMap::instance().new_parameter(FadeInAutomation); + p = EventTypeMap::instance().new_parameter(FadeOutAutomation); + p = EventTypeMap::instance().new_parameter(EnvelopeAutomation); + p = EventTypeMap::instance().new_parameter(MidiCCAutomation); } AudioEngine::~AudioEngine () @@ -93,11 +112,12 @@ AudioEngine::~AudioEngine () { Glib::Mutex::Lock tm (_process_lock); session_removed.signal (); - + if (_running) { jack_client_close (_jack); + _jack = 0; } - + stop_metering_thread (); } } @@ -109,25 +129,32 @@ 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::ThreadCreatedWithRequestSize (pthread_self(), X_("Audioengine"), 4096); + 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 } int AudioEngine::start () { + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); + if (!_running) { + nframes_t blocksize = jack_get_buffer_size (_priv_jack); + if (session) { - nframes_t blocksize = jack_get_buffer_size (_jack); + BootMessage (_("Connect session to engine")); session->set_block_size (blocksize); - session->set_frame_rate (jack_get_sample_rate (_jack)); + session->set_frame_rate (jack_get_sample_rate (_priv_jack)); /* page in as much of the session process code as we can before we really start running. @@ -146,27 +173,32 @@ AudioEngine::start () _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 (Config->get_jack_time_master()) { - jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this); + 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_callback (_priv_jack, _process_callback, 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); + + if (session && session->config.get_jack_time_master()) { + jack_set_timebase_callback (_priv_jack, 0, _jack_timebase_callback, this); } - 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; @@ -175,17 +207,15 @@ AudioEngine::start () int AudioEngine::stop (bool forever) { - if (_running) { - _running = false; + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); + + if (_priv_jack) { if (forever) { - jack_client_t* foo = _jack; - _jack = 0; - jack_client_close (foo); - stop_metering_thread (); + disconnect_from_jack (); } else { - jack_deactivate (_jack); + jack_deactivate (_priv_jack); + Stopped(); /* EMIT SIGNAL */ } - Stopped(); /* EMIT SIGNAL */ } return _running ? -1 : 0; @@ -198,15 +228,21 @@ AudioEngine::get_sync_offset (nframes_t& offset) const #ifdef HAVE_JACK_VIDEO_SUPPORT + GET_PRIVATE_JACK_POINTER_RET (_jack, false); + jack_position_t pos; - - (void) jack_transport_query (_jack, &pos); - if (pos.valid & JackVideoFrameOffset) { - offset = pos.video_offset; - return true; - } + 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; @@ -248,7 +284,7 @@ int AudioEngine::_xrun_callback (void *arg) { AudioEngine* ae = static_cast (arg); - if (ae->jack()) { + if (ae->connected()) { ae->Xrun (); /* EMIT SIGNAL */ } return 0; @@ -258,7 +294,7 @@ int AudioEngine::_graph_order_callback (void *arg) { AudioEngine* ae = static_cast (arg); - if (ae->jack()) { + if (ae->connected()) { ae->GraphReordered (); /* EMIT SIGNAL */ } return 0; @@ -281,6 +317,29 @@ AudioEngine::_freewheel_callback (int onoff, void *arg) static_cast(arg)->_freewheeling = onoff; } +void +AudioEngine::_registration_callback (jack_port_id_t /*id*/, int /*reg*/, void* arg) +{ + AudioEngine* ae = static_cast (arg); + ae->PortRegisteredOrUnregistered (); /* EMIT SIGNAL */ +} + +void +AudioEngine::split_cycle (nframes_t offset) +{ + /* caller must hold process lock */ + + Port::increment_port_offset (offset); + + /* tell all Ports that we're going to start a new (split) cycle */ + + boost::shared_ptr p = ports.reader(); + + for (Ports::iterator i = p->begin(); i != p->end(); ++i) { + (*i)->cycle_split (); + } +} + /** Method called by JACK (via _process_callback) which says that there * is work to be done. * @param nframes Number of frames to process. @@ -288,12 +347,13 @@ AudioEngine::_freewheel_callback (int onoff, void *arg) int AudioEngine::process_callback (nframes_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; - + /* handle wrap around of total frames counter */ if (max_frames - _processed_frames < nframes) { @@ -317,31 +377,34 @@ AudioEngine::process_callback (nframes_t nframes) return 0; } - if (_freewheeling) { - /* emit the Freewheel signal and stop freewheeling in the event of trouble */ - if (Freewheel (nframes)) { - cerr << "Freewheeling returned non-zero!\n"; - _freewheeling = false; - jack_set_freewheel (_jack, false); - } - return 0; - } + /* tell all relevant objects that we're starting a new cycle */ + + Delivery::CycleStart (nframes); + Port::set_port_offset (0); + InternalReturn::CycleStart (nframes); + + /* tell all Ports that we're starting a new cycle */ boost::shared_ptr p = ports.reader(); - // Prepare ports (ie read data if necessary) for (Ports::iterator i = p->begin(); i != p->end(); ++i) { - (*i)->cycle_start (nframes, 0); + (*i)->cycle_start (nframes); } - - if (session) { - session->process (nframes); + + if (_freewheeling) { + /* emit the Freewheel signal and stop freewheeling in the event of trouble */ + if (Freewheel (nframes)) { + jack_set_freewheel (_priv_jack, false); + } + + } else { + if (session) { + session->process (nframes); + } } - - // Finalize ports (ie write data if necessary) - for (Ports::iterator i = p->begin(); i != p->end(); ++i) { - (*i)->cycle_end (nframes, 0); + if (_freewheeling) { + return 0; } if (!_running) { @@ -354,13 +417,13 @@ 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 */ @@ -374,15 +437,21 @@ 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); - + if (port->sends_output()) { - port->get_buffer().silence(nframes); + port->get_buffer(nframes).silence(nframes); } } } + // Finalize ports + + for (Ports::iterator i = p->begin(); i != p->end(); ++i) { + (*i)->cycle_end (nframes); + } + _processed_frames = next_processed_frames; return 0; } @@ -398,12 +467,12 @@ AudioEngine::jack_sample_rate_callback (nframes_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); } @@ -423,6 +492,9 @@ int AudioEngine::jack_bufsize_callback (nframes_t nframes) { _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; @@ -453,8 +525,9 @@ void 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), - 500000, true, true, Glib::THREAD_PRIORITY_NORMAL); + 500000, true, true, Glib::THREAD_PRIORITY_NORMAL); } } @@ -466,11 +539,11 @@ AudioEngine::meter_thread () if (g_atomic_int_get(&m_meter_exit)) { break; } - IO::update_meters (); + Metering::update_meters (); } } -void +void AudioEngine::set_session (Session *s) { Glib::Mutex::Lock pl (_process_lock); @@ -480,15 +553,15 @@ AudioEngine::set_session (Session *s) session = s; nframes_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, 0); + (*i)->cycle_start (blocksize); } s->process (blocksize); @@ -501,12 +574,12 @@ AudioEngine::set_session (Session *s) s->process (blocksize); for (Ports::iterator i = p->begin(); i != p->end(); ++i) { - (*i)->cycle_end (blocksize, 0); + (*i)->cycle_end (blocksize); } } } -void +void AudioEngine::remove_session () { Glib::Mutex::Lock lm (_process_lock); @@ -521,81 +594,80 @@ AudioEngine::remove_session () } else { session = 0; } - + 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 = _("a port with this name already exists: check for duplicated track/bus names"); + reason = string_compose (_("a port with the name \"%1\" already exists: check for duplicated track/bus names"), portname); } else { - reason = _("unknown error"); + reason = _("No more JACK ports are available. You will need to stop Ardour and restart JACK with ports if you need this many tracks."); } - + 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, bool publish) +AudioEngine::register_port (DataType dtype, const string& portname, bool input) { Port* newport = 0; try { if (dtype == DataType::AUDIO) { - newport = new AudioPort (portname, (input ? Port::IsInput : Port::IsOutput), publish, frames_per_cycle()); + newport = new AudioPort (portname, (input ? Port::IsInput : Port::IsOutput)); } else if (dtype == DataType::MIDI) { - newport = new MidiPort (portname, (input ? Port::IsInput : Port::IsOutput), publish, frames_per_cycle()); + newport = new MidiPort (portname, (input ? Port::IsInput : Port::IsOutput)); } else { - throw unknown_type(); + 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) { + old_buffer_size = port_buffer_size; } RCUWriter writer (ports); boost::shared_ptr ps = writer.get_copy (); ps->insert (ps->begin(), newport); + /* writer goes out of scope, forces update */ return newport; } - catch (...) { - throw PortRegistrationFailure("unable to create port (unknown type?)"); - } -} - -Port* -AudioEngine::get_port (const std::string& full_name) -{ - boost::shared_ptr p = ports.reader(); - - for (Ports::iterator i = p->begin(); i != p->end(); ++i) { - if ((*i)->name() == full_name) { - return *i; - } + catch (PortRegistrationFailure& err) { + throw err; + } catch (std::exception& e) { + throw PortRegistrationFailure(string_compose( + _("unable to create port: %1"), e.what()).c_str()); + } catch (...) { + throw PortRegistrationFailure("unable to create port (unknown error)"); } - return 0; } - Port * -AudioEngine::register_input_port (DataType type, const string& portname, bool publish) +AudioEngine::register_input_port (DataType type, const string& portname) { - return register_port (type, portname, true, publish); + return register_port (type, portname, true); } Port * -AudioEngine::register_output_port (DataType type, const string& portname, bool publish) +AudioEngine::register_output_port (DataType type, const string& portname) { - return register_port (type, portname, false, publish); + return register_port (type, portname, false); } int @@ -603,7 +675,7 @@ 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. */ @@ -611,10 +683,9 @@ 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; @@ -622,18 +693,18 @@ 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) { @@ -647,63 +718,36 @@ 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 (s); - Port* dst = get_port (d); - - if (src && dst) { - - /* both ports are known to us, so do the internal connect stuff */ - - if ((ret = src->connect (*dst)) == 0) { - ret = dst->connect (*src); - } - - } else if (src || dst) { - - /* one port is known to us, try to connect it to something external */ - PortConnectableByName* pcn; - string other; - - if (src) { - pcn = dynamic_cast(src); - other = d; - } else { - pcn = dynamic_cast(dst); - other = s; - } - if (pcn) { - ret = pcn->connect (other); - } else { - ret = -1; - } + Port* src = get_port_by_name_locked (s); + Port* dst = get_port_by_name_locked (d); + if (src) { + ret = src->connect (d); + } else if (dst) { + 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) { @@ -714,57 +758,29 @@ 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 (s); - Port* dst = get_port (d); - - if (src && dst) { - - /* both ports are known to us, so do the internal connect stuff */ - - if ((ret = src->disconnect (*dst)) == 0) { - ret = dst->disconnect (*src); - } - - } else if (src || dst) { - - /* one port is known to us, try to connect it to something external */ - - - PortConnectableByName* pcn; - string other; - - if (src) { - pcn = dynamic_cast(src); - other = d; - } else { - pcn = dynamic_cast(dst); - other = s; - } - - if (pcn) { - ret = pcn->disconnect (other); - } else { - ret = -1; - } + Port* src = get_port_by_name_locked (s); + Port* dst = get_port_by_name_locked (d); + if (src) { + ret = src->disconnect (d); + } else if (dst) { + ret = dst->disconnect (s); } else { - /* neither port is known to us, and this API isn't intended for use as a general patch bay */ - ret = -1; - } - return ret; } 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; @@ -780,59 +796,76 @@ AudioEngine::disconnect (Port& port) ARDOUR::nframes_t AudioEngine::frame_rate () { - 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; } } +size_t +AudioEngine::raw_buffer_size (DataType t) +{ + std::map::const_iterator s = _raw_buffer_sizes.find(t); + return (s != _raw_buffer_sizes.end()) ? s->second : 0; +} + ARDOUR::nframes_t AudioEngine::frames_per_cycle () { - 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 (_buffer_size = 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; } } -/** Get a port by name. - * Note this can return NULL, it will NOT create a port if it is not found (any more). +/** @param name Full name of port (including prefix:) + * @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, bool keep) const +AudioEngine::get_port_by_name (const string& portname) { + string s; + if (portname.find_first_of (':') == string::npos) { + s = make_port_name_non_relative (portname); + } else { + s = portname; + } + Glib::Mutex::Lock lm (_process_lock); + return get_port_by_name_locked (s); +} + +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() called before engine was started") << endmsg; + fatal << _("get_port_by_name_locked() 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; + } + + std::string const rel = make_port_name_relative (portname); + boost::shared_ptr pr = ports.reader(); - + for (Ports::iterator i = pr->begin(); i != pr->end(); ++i) { - if (portname == (*i)->name()) { - return (*i); + if (rel == (*i)->name()) { + return *i; } } @@ -842,6 +875,7 @@ AudioEngine::get_port_by_name (const string& portname, bool keep) const 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; @@ -850,75 +884,100 @@ 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 (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; - ae->Halted(); /* EMIT SIGNAL */ + if (was_running) { + ae->Halted(); /* 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 () +{ + GET_PRIVATE_JACK_POINTER_RET (_jack,false); + const char ** ports; + + if ((ports = jack_get_ports (_priv_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortCanMonitor)) == 0) { + return false; + } + + free (ports); + + return true; +} + + uint32_t -AudioEngine::n_physical_outputs () const +AudioEngine::n_physical_outputs (DataType type) const { + GET_PRIVATE_JACK_POINTER_RET (_jack,0); const char ** ports; uint32_t i = 0; - if (!_jack) { + if ((ports = jack_get_ports (_priv_jack, NULL, type.to_jack_type(), JackPortIsPhysical|JackPortIsInput)) == 0) { return 0; } - if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsInput)) == 0) { - return 0; - } + for (i = 0; ports[i]; ++i) {} + free (ports); - if (ports) { - for (i = 0; ports[i]; ++i); - free (ports); - } return i; } uint32_t -AudioEngine::n_physical_inputs () const +AudioEngine::n_physical_inputs (DataType type) const { + GET_PRIVATE_JACK_POINTER_RET (_jack,0); const char ** ports; uint32_t i = 0; - - if (!_jack) { - return 0; - } - - if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsOutput)) == 0) { + + if ((ports = jack_get_ports (_priv_jack, NULL, type.to_jack_type(), JackPortIsPhysical|JackPortIsOutput)) == 0) { return 0; } - if (ports) { - for (i = 0; ports[i]; ++i); - free (ports); - } + for (i = 0; ports[i]; ++i) {} + free (ports); + return i; } void -AudioEngine::get_physical_inputs (vector& ins) +AudioEngine::get_physical_inputs (DataType type, vector& ins) { + GET_PRIVATE_JACK_POINTER (_jack); const char ** ports; uint32_t i = 0; - - if (!_jack) { - return; - } - - if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsOutput)) == 0) { + + + if ((ports = jack_get_ports (_priv_jack, NULL, type.to_jack_type(), JackPortIsPhysical|JackPortIsOutput)) == 0) { return; } @@ -931,52 +990,37 @@ AudioEngine::get_physical_inputs (vector& ins) } void -AudioEngine::get_physical_outputs (vector& outs) +AudioEngine::get_physical_outputs (DataType type, vector& outs) { + GET_PRIVATE_JACK_POINTER (_jack); const char ** ports; uint32_t i = 0; - - if (!_jack) { - return; - } - - if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsInput)) == 0) { + + if ((ports = jack_get_ports (_priv_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); + for (i = 0; ports[i]; ++i) { + outs.push_back (ports[i]); } + free (ports); } string AudioEngine::get_nth_physical (DataType type, uint32_t n, int flag) { + GET_PRIVATE_JACK_POINTER_RET (_jack,""); 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 ""; - } + if ((ports = jack_get_ports (_priv_jack, NULL, type.to_jack_type(), JackPortIsPhysical|flag)) == 0) { + return ret; } - ports = jack_get_ports (_jack, NULL, type.to_jack_type(), JackPortIsPhysical|flag); - - if (ports == 0) { - return ""; - } - - for (i = 0; i < n && ports[i]; ++i); + for (i = 0; i < n && ports[i]; ++i) {} if (ports[i]) { ret = ports[i]; @@ -987,95 +1031,72 @@ AudioEngine::get_nth_physical (DataType type, uint32_t n, int flag) return ret; } -ARDOUR::nframes_t -AudioEngine::get_port_total_latency (const Port& port) -{ - return port.total_latency (); -} - 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 () { - // cerr << "tell JACK to stop\n"; - if (_jack) { - jack_transport_stop (_jack); - } + GET_PRIVATE_JACK_POINTER (_jack); + jack_transport_stop (_priv_jack); } void AudioEngine::transport_start () { - // cerr << "tell JACK to start\n"; - if (_jack) { - jack_transport_start (_jack); - } + GET_PRIVATE_JACK_POINTER (_jack); + jack_transport_start (_priv_jack); } void AudioEngine::transport_locate (nframes_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) { - if (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) { - _freewheel_thread_registered = false; - } - - return jack_set_freewheel (_jack, onoff); + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); + if (onoff != _freewheeling) { + + if (onoff) { + _freewheel_thread_registered = false; + } + + return jack_set_freewheel (_priv_jack, onoff); + } else { - return -1; + /* already doing what has been asked for */ + return 0; } } @@ -1087,29 +1108,24 @@ 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 (); } -} + /* clear dead wood list too */ -#ifdef HAVE_JACK_CLIENT_OPEN + ports.flush (); +} + +static void +ardour_jack_error (const char* msg) +{ + error << "JACK: " << msg << endmsg; +} int AudioEngine::connect_to_jack (string client_name) @@ -1119,73 +1135,55 @@ AudioEngine::connect_to_jack (string client_name) const char *server_name = NULL; jack_client_name = client_name; /* might be reset below */ - _jack = jack_client_open (jack_client_name.c_str(), options, &status, server_name); - - if (_jack == NULL) { - if (status & JackServerFailed) { - error << _("Unable to connect to JACK server") << endmsg; - } - + if (_jack == NULL) { // error message is not useful here return -1; } - if (status & JackServerStarted) { - info << _("JACK server started") << endmsg; - } + 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) +AudioEngine::disconnect_from_jack () { - jack_client_name = client_name; + GET_PRIVATE_JACK_POINTER_RET (_jack, 0); - if ((_jack = jack_client_new (client_name.c_str())) == NULL) { - return -1; + if (_running) { + stop_metering_thread (); } - return 0; -} - -#endif /* HAVE_JACK_CLIENT_OPEN */ - -int -AudioEngine::disconnect_from_jack () -{ - if (_jack == 0) { - return 0; + { + Glib::Mutex::Lock lm (_process_lock); + jack_client_close (_priv_jack); + _jack = 0; } - jack_client_close (_jack); - _buffer_size = 0; _frame_rate = 0; + _raw_buffer_sizes.clear(); if (_running) { _running = false; Stopped(); /* EMIT SIGNAL */ } - _jack = 0; return 0; } int AudioEngine::reconnect_to_jack () { - if (_jack) { + if (_running) { disconnect_from_jack (); /* XXX give jackd a chance */ Glib::usleep (250000); @@ -1203,40 +1201,45 @@ 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->reset_jack_connection (_priv_jack); + nframes_t blocksize = jack_get_buffer_size (_priv_jack); session->set_block_size (blocksize); - session->set_frame_rate (jack_get_sample_rate (_jack)); + session->set_frame_rate (jack_get_sample_rate (_priv_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; } 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 (Config->get_jack_time_master()) { - jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this); + + 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_callback (_priv_jack, _process_callback, 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); + + if (session && session->config.get_jack_time_master()) { + jack_set_timebase_callback (_priv_jack, 0, _jack_timebase_callback, this); } - - if (jack_activate (_jack) == 0) { + + if (jack_activate (_priv_jack) == 0) { _running = true; _has_run = true; } else { @@ -1244,46 +1247,45 @@ AudioEngine::reconnect_to_jack () } /* re-establish connections */ - + for (i = p->begin(); i != p->end(); ++i) { (*i)->reconnect (); } Running (); /* EMIT SIGNAL*/ + start_metering_thread (); + return 0; } int AudioEngine::request_buffer_size (nframes_t nframes) { - if (_jack) { + GET_PRIVATE_JACK_POINTER_RET (_jack, -1); - if (nframes == jack_get_buffer_size (_jack)) { - return 0; - } - - return jack_set_buffer_size (_jack, nframes); - - } 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 - jack_recompute_total_latencies (_jack); + GET_PRIVATE_JACK_POINTER (_jack); + jack_recompute_total_latencies (_priv_jack); #endif } - + 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) { @@ -1291,7 +1293,7 @@ AudioEngine::make_port_name_relative (string portname) break; } } - + if ((n != len) && (portname.substr (0, n) == jack_client_name)) { return portname.substr (n+1); } @@ -1311,16 +1313,13 @@ 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); }