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 <sstream>
+
+#include <glibmm/timer.h>
#include <pbd/pthread_utils.h>
+#include <pbd/stacktrace.h>
#include <ardour/audioengine.h>
+#include <ardour/buffer.h>
#include <ardour/port.h>
+#include <ardour/io.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>
using namespace std;
using namespace ARDOUR;
+using namespace PBD;
+
+gint AudioEngine::m_meter_exit;
+AudioEngine* AudioEngine::_instance = 0;
-jack_nframes_t Port::short_over_length = 2;
-jack_nframes_t Port::long_over_length = 10;
+#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; }
+
+static void
+ardour_jack_error (const char* msg)
+{
+ // throw JACK errors away - they cause visual clutter
+ // error << "JACK: " << msg << endmsg;
+}
AudioEngine::AudioEngine (string client_name)
+ : ports (new Ports)
{
- pthread_cond_init (&session_removed, 0);
+ _instance = this; /* singleton */
+
session = 0;
session_remove_pending = false;
_running = 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);
if (connect_to_jack (client_name)) {
throw NoBackendAvailable ();
}
-
}
AudioEngine::~AudioEngine ()
{
- if (_running) {
- jack_client_close (_jack);
+ {
+ Glib::Mutex::Lock tm (_process_lock);
+ session_removed.signal ();
+
+ if (_running) {
+ jack_client_close (_jack);
+ _jack = 0;
+ }
+
+ stop_metering_thread ();
}
}
knows about it.
*/
- PBD::ThreadCreatedWithRequestSize (pthread_self(), X_("Audioengine"), 4096);
-
-#ifdef VST_SUPPORT
- if (Config->get_use_vst()) {
- fst_adopt_thread ();
- }
-#endif
+ PBD::notify_gui_about_thread_creation (pthread_self(), X_("Audioengine"), 4096);
}
int
AudioEngine::start ()
{
+ GET_PRIVATE_JACK_POINTER_RET (_jack, -1);
+
if (!_running) {
+ nframes_t blocksize = jack_get_buffer_size (_priv_jack);
+ Port::set_buffer_size (blocksize);
+
if (session) {
- jack_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.
_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);
+ 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 (Config->get_jack_time_master()) {
- jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this);
+ 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;
+ // error << _("cannot activate JACK client") << endmsg;
}
+
+ start_metering_thread();
}
return _running ? 0 : -1;
}
int
-AudioEngine::stop ()
+AudioEngine::stop (bool forever)
{
- if (_running) {
- _running = false;
- jack_deactivate (_jack);
- Stopped(); /* EMIT SIGNAL */
+ GET_PRIVATE_JACK_POINTER_RET (_jack, -1);
+
+ if (_priv_jack) {
+ if (forever) {
+ disconnect_from_jack ();
+ } else {
+ jack_deactivate (_priv_jack);
+ Stopped(); /* EMIT SIGNAL */
+ }
}
return _running ? -1 : 0;
}
-void
-AudioEngine::_jack_timebase_callback (jack_transport_state_t state, jack_nframes_t nframes,
+bool
+AudioEngine::get_sync_offset (nframes_t& offset) const
+{
+
+#ifdef HAVE_JACK_VIDEO_SUPPORT
- jack_position_t* pos, int new_position, void *arg)
+ GET_PRIVATE_JACK_POINTER_RET (_jack, false);
+
+ jack_position_t pos;
+
+ if (_priv_jack) {
+ (void) jack_transport_query (_priv_jack, &pos);
+
+ if (pos.valid & JackVideoFrameOffset) {
+ offset = pos.video_offset;
+ return true;
+ }
+ }
+
+#endif
+
+ return false;
+}
+
+void
+AudioEngine::_jack_timebase_callback (jack_transport_state_t state, nframes_t nframes,
+ jack_position_t* pos, int new_position, void *arg)
{
static_cast<AudioEngine*> (arg)->jack_timebase_callback (state, nframes, pos, new_position);
}
void
-AudioEngine::jack_timebase_callback (jack_transport_state_t state, jack_nframes_t nframes,
-
- jack_position_t* pos, int new_position)
+AudioEngine::jack_timebase_callback (jack_transport_state_t state, nframes_t nframes,
+ jack_position_t* pos, int new_position)
{
- if (session && session->synced_to_jack()) {
+ 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 (session) {
+ if (_jack && session) {
return session->jack_sync_callback (state, pos);
- } else {
- return true;
}
+
+ return true;
}
int
AudioEngine::_xrun_callback (void *arg)
{
- static_cast<AudioEngine *>(arg)->Xrun (); /* EMIT SIGNAL */
+ AudioEngine* ae = static_cast<AudioEngine*> (arg);
+ if (ae->connected()) {
+ ae->Xrun (); /* EMIT SIGNAL */
+ }
return 0;
}
int
AudioEngine::_graph_order_callback (void *arg)
{
- static_cast<AudioEngine *>(arg)->GraphReordered (); /* EMIT SIGNAL */
+ AudioEngine* ae = static_cast<AudioEngine*> (arg);
+ if (ae->connected()) {
+ ae->GraphReordered (); /* EMIT SIGNAL */
+ }
return 0;
}
int
-AudioEngine::_process_callback (jack_nframes_t nframes, void *arg)
+AudioEngine::_process_callback (nframes_t nframes, void *arg)
{
return static_cast<AudioEngine *> (arg)->process_callback (nframes);
}
static_cast<AudioEngine*>(arg)->_freewheeling = onoff;
}
-void
-AudioEngine::meter (Port *port, jack_nframes_t nframes)
-{
- double peak;
- uint32_t overlen;
- jack_default_audio_sample_t *buf;
-
- buf = port->get_buffer (nframes);
- peak = port->_peak;
- overlen = port->overlen;
-
- {
- for (jack_nframes_t n = 0; n < nframes; ++n) {
-
- /* 1) peak metering */
-
- peak = f_max (peak, buf[n]);
-
- /* 2) clip/over metering */
-
- if (buf[n] >= 1.0) {
- overlen++;
- } else if (overlen) {
- if (overlen > Port::short_over_length) {
- port->_short_overs++;
- }
- if (overlen > Port::long_over_length) {
- port->_long_overs++;
- }
- overlen = 0;
- }
- }
- }
-
- /* post-loop check on the final status of overlen */
-
- if (overlen > Port::short_over_length) {
- port->_short_overs++;
- }
- if (overlen > Port::long_over_length) {
- port->_short_overs++;
- }
-
- if (peak > 0.0) {
- port->_peak_db= 20 * fast_log10 (peak);
- } else {
- port->_peak_db = minus_infinity();
- }
-
- port->_peak = peak;
- port->overlen = overlen;
-}
-
int
-AudioEngine::process_callback (jack_nframes_t nframes)
+AudioEngine::process_callback (nframes_t nframes)
{
- TentativeLockMonitor tm (_process_lock, __LINE__, __FILE__);
- jack_nframes_t next_processed_frames;
-
+ // CycleTimer ct ("AudioEngine::process");
+ GET_PRIVATE_JACK_POINTER_RET (_jack, -1);
+ Glib::Mutex::Lock tm (_process_lock, Glib::TRY_LOCK);
+ nframes_t next_processed_frames;
+
/* handle wrap around of total frames counter */
if (max_frames - _processed_frames < nframes) {
if (session_remove_pending) {
session = 0;
session_remove_pending = false;
- pthread_cond_signal (&session_removed);
+ session_removed.signal();
_processed_frames = next_processed_frames;
return 0;
}
+ /* reset port buffer offset for the start of a new cycle */
+
+ Port::set_port_offset (0);
+
+ /* tell all IO objects that we're starting a new cycle */
+
+ IO::CycleStart (nframes);
+
if (_freewheeling) {
if (Freewheel (nframes)) {
- _freewheeling = false;
- jack_set_freewheel (_jack, false);
+ jack_set_freewheel (_priv_jack, false);
}
return 0;
}
- /* do input peak metering */
-
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
- if ((*i)->metering) {
- meter ((*i), nframes);
- }
- }
-
session->process (nframes);
if (!_running) {
_processed_frames = next_processed_frames;
return 0;
}
-
+
if (last_monitor_check + monitor_check_interval < next_processed_frames) {
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
+
+ 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;
+ if (port->_last_monitor != (x = port->monitoring_input ())) {
+ port->_last_monitor = x;
/* XXX I think this is dangerous, due to
a likely mutex in the signal handlers ...
*/
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()) {
+ Sample *buf = port->get_buffer (nframes);
+ memset (buf, 0, sizeof(Sample) * nframes);
+ // this should work but doesn't
+ //port->silence(0, nframes); //need to implement declicking fade
+ }
+ }
+ }
+
_processed_frames = next_processed_frames;
return 0;
}
int
-AudioEngine::_sample_rate_callback (jack_nframes_t nframes, void *arg)
+AudioEngine::_sample_rate_callback (nframes_t nframes, void *arg)
{
return static_cast<AudioEngine *> (arg)->jack_sample_rate_callback (nframes);
}
int
-AudioEngine::jack_sample_rate_callback (jack_nframes_t nframes)
+AudioEngine::jack_sample_rate_callback (nframes_t nframes)
{
_frame_rate = nframes;
_usecs_per_cycle = (int) floor ((((double) frames_per_cycle() / nframes)) * 1000000.0);
monitor_check_interval = nframes / 10;
last_monitor_check = 0;
-
+
if (session) {
session->set_frame_rate (nframes);
}
}
int
-AudioEngine::_bufsize_callback (jack_nframes_t nframes, void *arg)
+AudioEngine::_bufsize_callback (nframes_t nframes, void *arg)
{
return static_cast<AudioEngine *> (arg)->jack_bufsize_callback (nframes);
}
int
-AudioEngine::jack_bufsize_callback (jack_nframes_t nframes)
+AudioEngine::jack_bufsize_callback (nframes_t nframes)
{
_buffer_size = nframes;
_usecs_per_cycle = (int) floor ((((double) nframes / frame_rate())) * 1000000.0);
last_monitor_check = 0;
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
+ cerr << "bufsize: Set Port buffer size to " << nframes << endl;
+ Port::set_buffer_size (nframes);
+
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
(*i)->reset();
}
return 0;
}
+void
+AudioEngine::stop_metering_thread ()
+{
+ if (m_meter_thread) {
+ g_atomic_int_set (&m_meter_exit, 1);
+ m_meter_thread->join ();
+ m_meter_thread = 0;
+ }
+}
+
+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);
+ }
+}
+
+void
+AudioEngine::meter_thread ()
+{
+ while (true) {
+ Glib::usleep (10000); /* 1/100th sec interval */
+ if (g_atomic_int_get(&m_meter_exit)) {
+ break;
+ }
+ IO::update_meters ();
+ }
+}
+
void
AudioEngine::set_session (Session *s)
{
+ Glib::Mutex::Lock pl (_process_lock);
+
if (!session) {
+
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.
+ */
+
+ session->process (blocksize);
+ session->process (blocksize);
+ session->process (blocksize);
+ session->process (blocksize);
+ session->process (blocksize);
+ session->process (blocksize);
+ session->process (blocksize);
+ session->process (blocksize);
}
}
void
AudioEngine::remove_session ()
{
- LockMonitor lm (_process_lock, __LINE__, __FILE__);
+ Glib::Mutex::Lock lm (_process_lock);
if (_running) {
if (session) {
session_remove_pending = true;
- pthread_cond_wait (&session_removed, _process_lock.mutex());
- }
+ session_removed.wait(_process_lock);
+ }
} 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 (_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.");
+ }
+
+ throw PortRegistrationFailure (string_compose (_("AudioEngine: cannot register port \"%1\": %2"), portname, reason).c_str());
+}
+
Port *
-AudioEngine::register_audio_input_port (const string& portname)
+AudioEngine::register_input_port (DataType type, const string& portname)
{
+ GET_PRIVATE_JACK_POINTER_RET (_jack, 0);
if (!_running) {
if (!_has_run) {
- fatal << _("register audio input port called before engine was started") << endmsg;
+ 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(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
+ jack_port_t *p = jack_port_register (_priv_jack, portname.c_str(), type.to_jack_type(), JackPortIsInput, 0);
if (p) {
Port *newport;
+
if ((newport = new Port (p)) != 0) {
- ports.insert (ports.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 */
}
+
return newport;
} else {
-
- pthread_mutex_unlock (_process_lock.mutex());
- throw PortRegistrationFailure();
+ port_registration_failure (portname);
}
return 0;
}
Port *
-AudioEngine::register_audio_output_port (const string& portname)
+AudioEngine::register_output_port (DataType type, const string& portname)
{
+ GET_PRIVATE_JACK_POINTER_RET (_jack, 0);
+
if (!_running) {
if (!_has_run) {
- fatal << _("register audio output port called before engine was started") << endmsg;
+ fatal << _("register output port called before engine was started") << endmsg;
/*NOTREACHED*/
} else {
return 0;
jack_port_t *p;
- if ((p = jack_port_register (_jack, portname.c_str(), JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0)) != 0) {
- Port *newport = new Port (p);
- ports.insert (ports.begin(), newport);
+ if ((p = jack_port_register (_priv_jack, portname.c_str(),
+ type.to_jack_type(), JackPortIsOutput, 0)) != 0) {
+
+ Port *newport = 0;
+
+ {
+ RCUWriter<Ports> writer (ports);
+ boost::shared_ptr<Ports> ps = writer.get_copy ();
+
+ newport = new Port (p);
+ ps->insert (ps->begin(), newport);
+
+ /* writer goes out of scope, forces update */
+ }
+
return newport;
} else {
-
- pthread_mutex_unlock (_process_lock.mutex());
- throw PortRegistrationFailure ();
+ port_registration_failure (portname);
}
return 0;
}
+
int
AudioEngine::unregister_port (Port *port)
{
+ GET_PRIVATE_JACK_POINTER_RET (_jack,-1);
+
if (!_running) {
/* probably happening when the engine has been halted by JACK,
in which case, there is nothing we can do here.
if (port) {
- int ret = jack_port_unregister (_jack, port->port);
+ int ret = jack_port_unregister (_priv_jack, port->_port);
if (ret == 0) {
-
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
- if ((*i) == port) {
- ports.erase (i);
- break;
+
+ {
+
+ 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 */
}
remove_connections_for (port);
int
AudioEngine::connect (const string& source, const string& destination)
{
- if (!_running) {
- if (!_has_run) {
- fatal << _("connect called before engine was started") << endmsg;
- /*NOTREACHED*/
- } else {
- return -1;
- }
- }
+ GET_PRIVATE_JACK_POINTER_RET (_jack, -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());
+ int ret = jack_connect (_priv_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;
} else {
error << string_compose(_("AudioEngine: cannot connect %1 (%2) to %3 (%4)"),
source, s, destination, d)
int
AudioEngine::disconnect (const string& source, const string& destination)
{
+ GET_PRIVATE_JACK_POINTER_RET (_jack,-1);
+
if (!_running) {
if (!_has_run) {
fatal << _("disconnect called before engine was started") << endmsg;
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());
+ int ret = jack_disconnect (_priv_jack, s.c_str(), d.c_str());
if (ret == 0) {
pair<string,string> c (s, d);
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;
}
}
- int ret = jack_port_disconnect (_jack, port->port);
+ int ret = jack_port_disconnect (_priv_jack, port->_port);
if (ret == 0) {
remove_connections_for (port);
}
-jack_nframes_t
+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;
}
}
-jack_nframes_t
+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;
}
}
Port *
AudioEngine::get_port_by_name (const string& portname, bool keep)
{
- LockMonitor lm (_process_lock, __LINE__, __FILE__);
+ Glib::Mutex::Lock lm (_process_lock);
+ GET_PRIVATE_JACK_POINTER_RET (_jack,0);
if (!_running) {
if (!_has_run) {
/* check to see if we have a Port for this name already */
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
+ boost::shared_ptr<Ports> pr = ports.reader();
+
+ for (Ports::iterator i = pr->begin(); i != pr->end(); ++i) {
if (portname == (*i)->name()) {
return (*i);
}
jack_port_t *p;
- if ((p = jack_port_by_name (_jack, portname.c_str())) != 0) {
+ if ((p = jack_port_by_name (_priv_jack, portname.c_str())) != 0) {
Port *newport = new Port (p);
- if (keep && newport->is_mine (_jack)) {
- ports.insert (newport);
+
+ {
+ 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 */
+ }
}
+
return newport;
+
} else {
+
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)
{
- AudioEngine *ae = reinterpret_cast<AudioEngine *> (arg);
+ /* called from jack shutdown handler */
- ae->_running = false;
- ae->_jack = 0;
+ 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->_jack = 0;
+
+ 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;
+ }
- ae->Halted(); /* EMIT SIGNAL */
+ free (ports);
+
+ return true;
}
+
uint32_t
-AudioEngine::n_physical_outputs () const
+AudioEngine::n_physical_audio_outputs () 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, JACK_DEFAULT_AUDIO_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_audio_inputs () 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, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsOutput)) == 0) {
return 0;
}
+
+ for (i = 0; ports[i]; ++i);
+ free (ports);
+
+ return i;
+}
+
+void
+AudioEngine::get_physical_audio_inputs (vector<string>& ins)
+{
+ GET_PRIVATE_JACK_POINTER (_jack);
+ const char ** ports;
+ uint32_t i = 0;
- if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsOutput)) == 0) {
- return 0;
+ if ((ports = jack_get_ports (_priv_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsOutput)) == 0) {
+ return;
}
- if (ports) {
- for (i = 0; ports[i]; ++i);
- free (ports);
+ for (i = 0; ports[i]; ++i) {
+ ins.push_back (ports[i]);
}
- return i;
+
+ free (ports);
}
-string
+void
+AudioEngine::get_physical_audio_outputs (vector<string>& outs)
+{
+ GET_PRIVATE_JACK_POINTER (_jack);
+ const char ** ports;
+ uint32_t i = 0;
+
+ if ((ports = jack_get_ports (_priv_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsInput)) == 0) {
+ return;
+ }
+
+ for (i = 0; ports[i]; ++i) {
+ outs.push_back (ports[i]);
+ }
+
+ free (ports);
+}
-AudioEngine::get_nth_physical (uint32_t n, int flag)
+string
+AudioEngine::get_nth_physical_audio (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 "";
- }
- }
-
- ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|flag);
-
- if (ports == 0) {
- return "";
+ if ((ports = jack_get_ports (_priv_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|flag)) == 0) {
+ return ret;
}
for (i = 0; i < n && ports[i]; ++i);
ret = ports[i];
}
- free ((char *) ports);
+ free (ports);
return ret;
}
-jack_nframes_t
+nframes_t
AudioEngine::get_port_total_latency (const Port& port)
{
- if (!_jack) {
- fatal << _("get_port_total_latency() called with no JACK client connection") << endmsg;
- /*NOTREACHED*/
- }
+ GET_PRIVATE_JACK_POINTER_RET (_jack,0);
- 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);
+ return jack_port_get_total_latency (_priv_jack, port._port);
}
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 (jack_nframes_t where)
+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);
- } else {
- return jack_release_timebase (_jack);
- }
+ GET_PRIVATE_JACK_POINTER_RET (_jack, -1);
+ if (Config->get_jack_time_master()) {
+ return jack_set_timebase_callback (_priv_jack, 0, _jack_timebase_callback, this);
} else {
- return -1;
+ return jack_release_timebase (_jack);
}
}
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;
}
}
void
AudioEngine::remove_all_ports ()
{
+ jack_client_t* _priv_jack = _jack;
+
/* process lock MUST be held */
- if (_jack) {
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
- jack_port_unregister (_jack, (*i)->port);
- }
- }
+ if (_priv_jack) {
- ports.clear ();
- port_connections.clear ();
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ jack_port_unregister (_priv_jack, (*i)->_port);
+ }
+ }
+ {
+ RCUWriter<Ports> writer (ports);
+ boost::shared_ptr<Ports> ps = writer.get_copy ();
+ ps->clear ();
+ }
+
+ port_connections.clear ();
}
void
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) {
+ /* just return without an error message. something else will take care of it */
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;
}
{
jack_client_name = client_name;
- if ((_jack = jack_client_new (client_name.c_str())) == NULL) {
+ if ((_jack = jack_client_new (client_name.c_str())) == 0) {
return -1;
}
int
AudioEngine::disconnect_from_jack ()
{
- if (_jack == 0) {
- return 0;
+ GET_PRIVATE_JACK_POINTER_RET (_jack, 0);
+
+ if (_running) {
+ stop_metering_thread ();
}
- if (jack_client_close (_jack)) {
- error << _("cannot shutdown connection to JACK") << endmsg;
+ {
+ Glib::Mutex::Lock lm (_process_lock);
+ jack_client_close (_priv_jack);
+ _jack = 0;
}
_buffer_size = 0;
Stopped(); /* EMIT SIGNAL */
}
- _jack = 0;
return 0;
}
int
AudioEngine::reconnect_to_jack ()
{
- if (_jack) {
+ if (_running) {
disconnect_from_jack ();
/* XXX give jackd a chance */
- usleep (250000);
+ Glib::usleep (250000);
}
if (connect_to_jack (jack_client_name)) {
return -1;
}
+ /* Now that we're connected again, we can get a private
+ pointer to the jack client.
+ */
+
+ GET_PRIVATE_JACK_POINTER_RET (_jack,-1);
+
Ports::iterator i;
+ boost::shared_ptr<Ports> p = ports.reader ();
- for (i = ports.begin(); i != ports.end(); ++i) {
+ for (i = p->begin(); i != p->end(); ++i) {
/* XXX hack hack hack */
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) {
+ if (((*i)->_port = jack_port_register (_priv_jack, short_name.c_str(), (*i)->type(), (*i)->flags(), 0)) == 0) {
error << string_compose (_("could not reregister %1"), (*i)->name()) << endmsg;
break;
} else {
(*i)->reset ();
if ((*i)->flags() & JackPortIsOutput) {
- (*i)->silence (jack_get_buffer_size (_jack), 0);
+ (*i)->silence (jack_get_buffer_size (_priv_jack));
}
}
- if (i != ports.end()) {
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
- jack_port_unregister (_jack, (*i)->port);
+ if (i != p->end()) {
+ /* failed */
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ jack_port_unregister (_priv_jack, (*i)->_port);
}
return -1;
}
if (session) {
- jack_nframes_t blocksize = jack_get_buffer_size (_jack);
+ session->reset_jack_connection (_priv_jack);
+ nframes_t blocksize = jack_get_buffer_size (_priv_jack);
+ Port::set_buffer_size (blocksize);
session->set_block_size (blocksize);
- session->set_frame_rate (jack_get_sample_rate (_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);
+ 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 (Config->get_jack_time_master()) {
- jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this);
- }
+ 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 {
for (PortConnections::iterator i = port_connections.begin(); i != port_connections.end(); ++i) {
int err;
+
+ if (!_jack) {
+ error << _("Disconnected from JACK while reconnecting. You should quit Ardour now.") << endmsg;
+ return -1;
+ }
- if ((err = jack_connect (_jack, (*i).first.c_str(), (*i).second.c_str())) != 0) {
+ if ((err = jack_connect (_priv_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)
Running (); /* EMIT SIGNAL*/
+ start_metering_thread ();
+
return 0;
}
int
-AudioEngine::request_buffer_size (jack_nframes_t nframes)
+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
}
return str;
}
+bool
+AudioEngine::is_realtime () const
+{
+ GET_PRIVATE_JACK_POINTER_RET (_jack,false);
+ return jack_is_realtime (_priv_jack);
+}
projects / ardour.git / blobdiff