/*
- 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <unistd.h>
#include <cerrno>
#include <vector>
+#include <exception>
+#include <stdexcept>
+#include <sstream>
#include <glibmm/timer.h>
-#include <pbd/pthread_utils.h>
-
-#include <ardour/audioengine.h>
-#include <ardour/buffer.h>
-#include <ardour/port.h>
-#include <ardour/session.h>
-#include <ardour/cycle_timer.h>
-#include <ardour/utils.h>
-#ifdef VST_SUPPORT
-#include <fst.h>
-#endif
-
-#include <ardour/timestamps.h>
+#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"
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)
{
- session = 0;
+ _instance = this; /* singleton */
+
session_remove_pending = false;
_running = false;
_has_run = false;
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);
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 ()
{
Glib::Mutex::Lock tm (_process_lock);
session_removed.signal ();
-
+
if (_running) {
jack_client_close (_jack);
+ _jack = 0;
}
-
+
stop_metering_thread ();
}
}
+jack_client_t*
+AudioEngine::jack() const
+{
+ return _jack;
+}
+
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);
+ char* c = new char[12];
+ strcpy (c, X_("audioengine"));
+ pthread_set_name (c);
+
+ 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::JACK_MidiPort::set_process_thread (pthread_self());
+}
+
+static void
+ardour_jack_error (const char* msg)
+{
+ error << "JACK: " << msg << endmsg;
}
int
AudioEngine::start ()
{
+ GET_PRIVATE_JACK_POINTER_RET (_jack, -1);
+
if (!_running) {
- if (session) {
- nframes_t blocksize = jack_get_buffer_size (_jack);
+ nframes_t blocksize = jack_get_buffer_size (_priv_jack);
+
+ if (_session) {
+ BootMessage (_("Connect session to engine"));
- session->set_block_size (blocksize);
- session->set_frame_rate (jack_get_sample_rate (_jack));
+ _session->set_block_size (blocksize);
+ _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.
*/
- session->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);
+ _session->process (blocksize);
+ _session->process (blocksize);
+ _session->process (blocksize);
+ _session->process (blocksize);
+ _session->process (blocksize);
+ _session->process (blocksize);
+ _session->process (blocksize);
}
_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) {
+ jack_set_error_function (ardour_jack_error);
+
+ if (jack_activate (_priv_jack) == 0) {
_running = true;
_has_run = true;
Running(); /* EMIT SIGNAL */
} else {
- error << _("cannot activate JACK client") << endmsg;
+ // error << _("cannot activate JACK client") << endmsg;
}
+
+ start_metering_thread();
+
+ _raw_buffer_sizes[DataType::AUDIO] = blocksize * sizeof(float);
}
return _running ? 0 : -1;
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 */
+ MIDI::JACK_MidiPort::JackHalted (); /* EMIT SIGNAL */
}
- Stopped(); /* EMIT SIGNAL */
}
return _running ? -1 : 0;
#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;
AudioEngine::jack_timebase_callback (jack_transport_state_t state, nframes_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);
}
}
int
AudioEngine::jack_sync_callback (jack_transport_state_t state, jack_position_t* pos)
{
- if (_jack && session) {
- return session->jack_sync_callback (state, pos);
- } else {
- return true;
+ if (_jack && _session) {
+ return _session->jack_sync_callback (state, pos);
}
+
+ return true;
}
int
AudioEngine::_xrun_callback (void *arg)
{
AudioEngine* ae = static_cast<AudioEngine*> (arg);
- if (ae->jack()) {
+ if (ae->connected()) {
ae->Xrun (); /* EMIT SIGNAL */
}
return 0;
AudioEngine::_graph_order_callback (void *arg)
{
AudioEngine* ae = static_cast<AudioEngine*> (arg);
- if (ae->jack()) {
+ if (ae->connected()) {
ae->GraphReordered (); /* EMIT SIGNAL */
}
return 0;
}
+/** Wrapped which is called by JACK as its process callback. It is just
+ * here to get us back into C++ land by calling AudioEngine::process_callback()
+ * @param nframes Number of frames passed by JACK.
+ * @param arg User argument passed by JACK, which will be the AudioEngine*.
+ */
int
AudioEngine::_process_callback (nframes_t nframes, void *arg)
{
static_cast<AudioEngine*>(arg)->_freewheeling = onoff;
}
+void
+AudioEngine::_registration_callback (jack_port_id_t /*id*/, int /*reg*/, void* arg)
+{
+ AudioEngine* ae = static_cast<AudioEngine*> (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<Ports> 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.
+ */
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) {
} 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;
}
if (session_remove_pending) {
- session = 0;
+ /* perform the actual session removal */
+ _session = 0;
session_remove_pending = false;
session_removed.signal();
_processed_frames = next_processed_frames;
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<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ (*i)->cycle_start (nframes);
+ }
+
if (_freewheeling) {
- if (Freewheel (nframes)) {
- _freewheeling = false;
- jack_set_freewheel (_jack, false);
+ /* emit the Freewheel signal and stop freewheeling in the event of trouble
+ * the indirection is to pick up the return value of the signal.
+ */
+ if (*Freewheel (nframes)) {
+ jack_set_freewheel (_priv_jack, false);
+ }
+
+ } else {
+ if (_session) {
+ _session->process (nframes);
}
- return 0;
}
- session->process (nframes);
+ if (_freewheeling) {
+ return 0;
+ }
if (!_running) {
- /* we were zombified, maybe because a ladspa plugin took
- too long, or jackd exited, or something like that.
- */
-
_processed_frames = next_processed_frames;
return 0;
}
boost::shared_ptr<Ports> 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 */
last_monitor_check = next_processed_frames;
}
+ if (_session->silent()) {
+
+ boost::shared_ptr<Ports> 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
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ (*i)->cycle_end (nframes);
+ }
+
_processed_frames = next_processed_frames;
return 0;
}
{
_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 */
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;
(*i)->reset();
}
- if (session) {
- session->set_block_size (_buffer_size);
+ if (_session) {
+ _session->set_block_size (_buffer_size);
}
return 0;
AudioEngine::start_metering_thread ()
{
if (m_meter_thread == 0) {
- m_meter_thread = Glib::Thread::create (sigc::mem_fun(this, &AudioEngine::meter_thread), true);
+ g_atomic_int_set (&m_meter_exit, 0);
+ m_meter_thread = Glib::Thread::create (boost::bind (&AudioEngine::meter_thread, this),
+ 500000, true, true, Glib::THREAD_PRIORITY_NORMAL);
}
}
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) {
-
- session = s;
+ SessionHandlePtr::set_session (s);
+ if (_session) {
+
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.
*/
- session->process (blocksize);
- session->process (blocksize);
- session->process (blocksize);
- session->process (blocksize);
- session->process (blocksize);
- session->process (blocksize);
- session->process (blocksize);
- session->process (blocksize);
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ (*i)->cycle_start (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) {
+ if (_session) {
session_remove_pending = true;
session_removed.wait(_process_lock);
}
} else {
- session = 0;
+ SessionHandlePtr::set_session (0);
}
-
+
remove_all_ports ();
}
-Port *
-AudioEngine::register_input_port (DataType type, const string& portname)
+void
+AudioEngine::port_registration_failure (const std::string& portname)
{
- if (!_running) {
- if (!_has_run) {
- fatal << _("register input port called before engine was started") << endmsg;
- /*NOTREACHED*/
- } else {
- return 0;
- }
- }
-
- jack_port_t *p = jack_port_register (_jack, portname.c_str(), type.to_jack_type(), JackPortIsInput, 0);
-
- if (p) {
-
- Port *newport;
+ GET_PRIVATE_JACK_POINTER (_jack);
+ string full_portname = jack_client_name;
+ full_portname += ':';
+ full_portname += portname;
- if ((newport = new Port (p)) != 0) {
- RCUWriter<Ports> writer (ports);
- boost::shared_ptr<Ports> ps = writer.get_copy ();
- ps->insert (ps->begin(), newport);
- /* writer goes out of scope, forces update */
- }
- return newport;
+ 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 {
- throw PortRegistrationFailure();
+ reason = _("No more JACK ports are available. You will need to stop Ardour and restart JACK with ports if you need this many tracks.");
}
- return 0;
+ throw PortRegistrationFailure (string_compose (_("AudioEngine: cannot register port \"%1\": %2"), portname, reason).c_str());
}
Port *
-AudioEngine::register_output_port (DataType type, const string& portname)
+AudioEngine::register_port (DataType dtype, const string& portname, bool input)
{
- if (!_running) {
- if (!_has_run) {
- fatal << _("register output port called before engine was started") << endmsg;
- /*NOTREACHED*/
+ Port* newport = 0;
+
+ try {
+ if (dtype == DataType::AUDIO) {
+ newport = new AudioPort (portname, (input ? Port::IsInput : Port::IsOutput));
+ } else if (dtype == DataType::MIDI) {
+ newport = new MidiPort (portname, (input ? Port::IsInput : Port::IsOutput));
} else {
- return 0;
+ throw PortRegistrationFailure("unable to create port (unknown type)");
}
- }
-
- jack_port_t *p;
- if ((p = jack_port_register (_jack, portname.c_str(),
- type.to_jack_type(), JackPortIsOutput, 0)) != 0) {
-
- Port *newport = 0;
+ 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<Ports> writer (ports);
- boost::shared_ptr<Ports> ps = writer.get_copy ();
-
- newport = new Port (p);
- ps->insert (ps->begin(), newport);
+ RCUWriter<Ports> writer (ports);
+ boost::shared_ptr<Ports> ps = writer.get_copy ();
+ ps->insert (ps->begin(), newport);
- /* writer goes out of scope, forces update */
- }
+ /* writer goes out of scope, forces update */
return newport;
+ }
- } else {
- throw PortRegistrationFailure ();
+ 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)
+{
+ return register_port (type, portname, true);
}
+Port *
+AudioEngine::register_output_port (DataType type, const string& portname)
+{
+ return register_port (type, portname, false);
+}
-int
-AudioEngine::unregister_port (Port *port)
+int
+AudioEngine::unregister_port (Port& port)
{
- if (!_running) {
+ /* caller must hold process lock */
+
+ if (!_running) {
/* probably happening when the engine has been halted by JACK,
in which case, there is nothing we can do here.
- */
+ */
return 0;
}
- if (port) {
+ {
+ RCUWriter<Ports> writer (ports);
+ boost::shared_ptr<Ports> ps = writer.get_copy ();
- int ret = jack_port_unregister (_jack, port->_port);
-
- if (ret == 0) {
-
- {
-
- RCUWriter<Ports> writer (ports);
- boost::shared_ptr<Ports> ps = writer.get_copy ();
-
- for (Ports::iterator i = ps->begin(); i != ps->end(); ++i) {
- if ((*i) == port) {
- ps->erase (i);
- break;
- }
- }
-
- /* writer goes out of scope, forces update */
+ for (Ports::iterator i = ps->begin(); i != ps->end(); ++i) {
+ if ((*i) == &port) {
+ delete *i;
+ ps->erase (i);
+ break;
}
-
- remove_connections_for (port);
}
- return ret;
-
- } else {
- return -1;
+ /* writer goes out of scope, forces update */
}
+
+ return 0;
}
-int
+int
AudioEngine::connect (const string& source, const string& destination)
{
+ /* caller must hold process lock */
+
+ int ret;
+
if (!_running) {
if (!_has_run) {
fatal << _("connect called before engine was started") << endmsg;
return -1;
}
}
-
+
string s = make_port_name_non_relative (source);
string d = make_port_name_non_relative (destination);
- int ret = jack_connect (_jack, s.c_str(), d.c_str());
- if (ret == 0) {
- pair<string,string> c (s, d);
- port_connections.push_back (c);
- } else if (ret == EEXIST) {
- error << string_compose(_("AudioEngine: connection already exists: %1 (%2) to %3 (%4)"),
- source, s, destination, d)
- << endmsg;
+ 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 {
- error << string_compose(_("AudioEngine: cannot connect %1 (%2) to %3 (%4)"),
- source, s, destination, d)
+ /* neither port is known to us, and this API isn't intended for use as a general patch bay */
+ ret = -1;
+ }
+
+ if (ret > 0) {
+ /* 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)
<< endmsg;
}
return ret;
}
-int
+int
AudioEngine::disconnect (const string& source, const string& destination)
{
+ /* caller must hold process lock */
+
+ int ret;
+
if (!_running) {
if (!_has_run) {
fatal << _("disconnect called before engine was started") << endmsg;
return -1;
}
}
-
+
string s = make_port_name_non_relative (source);
string d = make_port_name_non_relative (destination);
- int ret = jack_disconnect (_jack, s.c_str(), d.c_str());
+ Port* src = get_port_by_name_locked (s);
+ Port* dst = get_port_by_name_locked (d);
- if (ret == 0) {
- pair<string,string> c (s, d);
- PortConnections::iterator i;
-
- if ((i = find (port_connections.begin(), port_connections.end(), c)) != port_connections.end()) {
- port_connections.erase (i);
- }
+ 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)
+AudioEngine::disconnect (Port& port)
{
+ GET_PRIVATE_JACK_POINTER_RET (_jack,-1);
+
if (!_running) {
if (!_has_run) {
fatal << _("disconnect called before engine was started") << endmsg;
}
}
- int ret = jack_port_disconnect (_jack, port->_port);
+ return port.disconnect_all ();
+}
- if (ret == 0) {
- remove_connections_for (port);
+ARDOUR::nframes_t
+AudioEngine::frame_rate () const
+{
+ GET_PRIVATE_JACK_POINTER_RET (_jack,0);
+ if (_frame_rate == 0) {
+ return (_frame_rate = jack_get_sample_rate (_priv_jack));
+ } else {
+ return _frame_rate;
}
+}
- return ret;
-
+size_t
+AudioEngine::raw_buffer_size (DataType t)
+{
+ std::map<DataType,size_t>::const_iterator s = _raw_buffer_sizes.find(t);
+ return (s != _raw_buffer_sizes.end()) ? s->second : 0;
}
-nframes_t
-AudioEngine::frame_rate ()
+ARDOUR::nframes_t
+AudioEngine::frames_per_cycle () 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 (_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;
}
}
-nframes_t
-AudioEngine::frames_per_cycle ()
+/** @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)
{
- if (_jack) {
- if (_buffer_size == 0) {
- return (_buffer_size = jack_get_buffer_size (_jack));
- } else {
- return _buffer_size;
- }
+ string s;
+ if (portname.find_first_of (':') == string::npos) {
+ s = make_port_name_non_relative (portname);
} else {
- fatal << X_("programming error: AudioEngine::frame_rate() called while disconnected from JACK")
- << endmsg;
- /*NOTREACHED*/
- return 0;
+ s = portname;
}
+
+ Glib::Mutex::Lock lm (_process_lock);
+ return get_port_by_name_locked (s);
}
Port *
-AudioEngine::get_port_by_name (const string& portname, bool keep)
+AudioEngine::get_port_by_name_locked (const string& portname)
{
- Glib::Mutex::Lock lm (_process_lock);
+ /* 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;
}
}
-
- /* check to see if we have a Port for this name already */
- boost::shared_ptr<Ports> pr = ports.reader();
-
- for (Ports::iterator i = pr->begin(); i != pr->end(); ++i) {
- if (portname == (*i)->name()) {
- return (*i);
- }
+ if (portname.substr (0, jack_client_name.length ()) != jack_client_name) {
+ /* not an ardour: port */
+ return 0;
}
- jack_port_t *p;
+ std::string const rel = make_port_name_relative (portname);
- if ((p = jack_port_by_name (_jack, portname.c_str())) != 0) {
- Port *newport = new Port (p);
+ boost::shared_ptr<Ports> pr = ports.reader();
- {
- if (keep && newport->is_mine (_jack)) {
- RCUWriter<Ports> writer (ports);
- boost::shared_ptr<Ports> ps = writer.get_copy ();
- ps->insert (newport);
- /* writer goes out of scope, forces update */
- }
+ for (Ports::iterator i = pr->begin(); i != pr->end(); ++i) {
+ if (rel == (*i)->name()) {
+ return *i;
}
-
- return newport;
-
- } else {
-
- return 0;
}
+
+ 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;
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<AudioEngine *> (arg);
+ bool was_running = ae->_running;
+
+ ae->stop_metering_thread ();
ae->_running = false;
ae->_buffer_size = 0;
ae->_frame_rate = 0;
- ae->Halted(); /* EMIT SIGNAL */
+ if (was_running) {
+ ae->Halted(); /* EMIT SIGNAL */
+ MIDI::JACK_MidiPort::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 ()
+{
+ 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<string>& ins)
+AudioEngine::get_physical_inputs (DataType type, vector<string>& 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;
}
}
void
-AudioEngine::get_physical_outputs (vector<string>& outs)
+AudioEngine::get_physical_outputs (DataType type, vector<string>& 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 (uint32_t n, int flag)
+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;
- if (!_running || !_jack) {
- if (!_has_run) {
- fatal << _("get_nth_physical called before engine was started") << endmsg;
- /*NOTREACHED*/
- } else {
- return "";
- }
- }
+ assert(type != DataType::NIL);
- ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|flag);
-
- if (ports == 0) {
- return "";
+ if ((ports = jack_get_ports (_priv_jack, NULL, type.to_jack_type(), JackPortIsPhysical|flag)) == 0) {
+ return ret;
}
- for (i = 0; i < n && ports[i]; ++i);
+ for (i = 0; i < n && ports[i]; ++i) {}
if (ports[i]) {
ret = ports[i];
return ret;
}
-nframes_t
-AudioEngine::get_port_total_latency (const Port& port)
+void
+AudioEngine::update_total_latency (const Port& port)
{
- if (!_jack) {
- fatal << _("get_port_total_latency() called with no JACK client connection") << endmsg;
- /*NOTREACHED*/
- }
-
- if (!_running) {
- if (!_has_run) {
- fatal << _("get_port_total_latency() called before engine was started") << endmsg;
- /*NOTREACHED*/
- }
- }
-
- return jack_port_get_total_latency (_jack, port._port);
+ 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;
}
}
{
/* process lock MUST be held */
- if (_jack) {
- boost::shared_ptr<Ports> p = ports.reader();
-
- for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
- jack_port_unregister (_jack, (*i)->_port);
- }
- }
-
{
RCUWriter<Ports> writer (ports);
boost::shared_ptr<Ports> ps = writer.get_copy ();
- ps->clear ();
- }
- port_connections.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 */
+
+ ports.flush ();
+}
int
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;
- }
-
- error << string_compose (_("Could not connect to JACK server as \"%1\""), jack_client_name) << 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 */
+ MIDI::JACK_MidiPort::JackHalted (); /* 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);
boost::shared_ptr<Ports> p = ports.reader ();
for (i = p->begin(); i != p->end(); ++i) {
-
- /* XXX hack hack hack */
-
- string long_name = (*i)->name();
- string short_name;
-
- short_name = long_name.substr (long_name.find_last_of (':') + 1);
-
- if (((*i)->_port = jack_port_register (_jack, short_name.c_str(), (*i)->type(), (*i)->flags(), 0)) == 0) {
- error << string_compose (_("could not reregister %1"), (*i)->name()) << endmsg;
+ if ((*i)->reestablish ()) {
break;
- } else {
- }
-
- (*i)->reset ();
-
- if ((*i)->flags() & JackPortIsOutput) {
- (*i)->silence (jack_get_buffer_size (_jack), 0);
}
}
if (i != p->end()) {
/* failed */
- for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
- jack_port_unregister (_jack, (*i)->_port);
- }
+ remove_all_ports ();
return -1;
- }
+ }
+ GET_PRIVATE_JACK_POINTER_RET (_jack,-1);
- if (session) {
- nframes_t blocksize = jack_get_buffer_size (_jack);
- session->set_block_size (blocksize);
- session->set_frame_rate (jack_get_sample_rate (_jack));
+ if (_session) {
+ _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 (_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 {
}
/* re-establish connections */
-
- for (PortConnections::iterator i = port_connections.begin(); i != port_connections.end(); ++i) {
-
- int err;
-
- if ((err = jack_connect (_jack, (*i).first.c_str(), (*i).second.c_str())) != 0) {
- if (err != EEXIST) {
- error << string_compose (_("could not reconnect %1 and %2 (err = %3)"),
- (*i).first, (*i).second, err)
- << endmsg;
- }
- }
+
+ 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) {
- int ret = jack_set_buffer_size (_jack, nframes);
- return ret;
- } else {
- return -1;
+ GET_PRIVATE_JACK_POINTER_RET (_jack, -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) {
break;
}
}
-
+
if ((n != len) && (portname.substr (0, n) == jack_client_name)) {
return portname.substr (n+1);
}
str = jack_client_name;
str += ':';
str += portname;
-
+
return str;
}
+bool
+AudioEngine::is_realtime () const
+{
+ GET_PRIVATE_JACK_POINTER_RET (_jack,false);
+ return jack_is_realtime (_priv_jack);
+}
projects / ardour.git / blobdiff