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/session.h>
#include <ardour/cycle_timer.h>
#include <ardour/utils.h>
-#ifdef VST_SUPPORT
-#include <fst.h>
-#endif
#include <ardour/timestamps.h>
using namespace ARDOUR;
using namespace PBD;
-jack_nframes_t Port::_short_over_length = 2;
-jack_nframes_t Port::_long_over_length = 10;
+gint AudioEngine::m_meter_exit;
+
+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)
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;
-
- m_meter_thread = 0;
- m_meter_exit = false;
+ _freewheeling = false;
+
+ m_meter_thread = 0;
+ g_atomic_int_set (&m_meter_exit, 0);
- start_metering_thread();
-
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 ();
}
-
- if(m_meter_thread) {
- g_atomic_int_inc(&m_meter_exit);
- }
}
void
knows about it.
*/
- PBD::ThreadCreatedWithRequestSize (pthread_self(), X_("Audioengine"), 4096);
+ PBD::notify_gui_about_thread_creation (pthread_self(), X_("Audioengine"), 4096);
}
int
AudioEngine::start ()
{
+ if (!_jack) {
+ error << _("AudioEngine::start() called while disconnected from JACK") << endmsg;
+ return -1;
+ }
+
if (!_running) {
if (session) {
- jack_nframes_t blocksize = jack_get_buffer_size (_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));
_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 */
+ if (_jack) {
+ if (forever) {
+ disconnect_from_jack ();
+ } else {
+ jack_deactivate (_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
+{
- jack_position_t* pos, int new_position, void *arg)
+#ifdef HAVE_JACK_VIDEO_SUPPORT
+
+ jack_position_t pos;
+
+ if (_jack) {
+ (void) jack_transport_query (_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);
}
}
int
-AudioEngine::process_callback (jack_nframes_t nframes)
+AudioEngine::process_callback (nframes_t nframes)
{
// CycleTimer ct ("AudioEngine::process");
Glib::Mutex::Lock tm (_process_lock, Glib::TRY_LOCK);
- jack_nframes_t next_processed_frames;
+ nframes_t next_processed_frames;
/* handle wrap around of total frames counter */
if (_freewheeling) {
if (Freewheel (nframes)) {
- _freewheeling = false;
jack_set_freewheel (_jack, false);
}
return 0;
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);
}
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);
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) {
- m_meter_thread = Glib::Thread::create (sigc::mem_fun(this, &AudioEngine::meter_thread), false);
- }
+ 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 (g_atomic_int_get(&m_meter_exit) != true) {
- Glib::usleep (10000); /* 1/100th sec interval */
- IO::update_meters ();
+ while (true) {
+ Glib::usleep (10000); /* 1/100th sec interval */
+ if (g_atomic_int_get(&m_meter_exit)) {
+ break;
+ }
+ IO::update_meters ();
}
- return;
}
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);
}
}
if (session) {
session_remove_pending = true;
session_removed.wait(_process_lock);
- }
+ }
} else {
-
session = 0;
-
}
remove_all_ports ();
-
}
+void
+AudioEngine::port_registration_failure (const std::string& portname)
+{
+ string full_portname = jack_client_name;
+ full_portname += ':';
+ full_portname += portname;
+
+
+ jack_port_t* p = jack_port_by_name (_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_input_port (DataType type, const string& portname)
{
return newport;
} else {
-
- _process_lock.unlock();
- throw PortRegistrationFailure();
+ port_registration_failure (portname);
}
return 0;
return newport;
} else {
-
- _process_lock.unlock();
- throw PortRegistrationFailure ();
+ port_registration_failure (portname);
}
return 0;
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)
}
-jack_nframes_t
+nframes_t
AudioEngine::frame_rate ()
{
if (_jack) {
}
}
-jack_nframes_t
+nframes_t
AudioEngine::frames_per_cycle ()
{
if (_jack) {
void
AudioEngine::halted (void *arg)
{
- AudioEngine *ae = reinterpret_cast<AudioEngine *> (arg);
+ AudioEngine* ae = static_cast<AudioEngine *> (arg);
+ bool was_running = ae->_running;
- ae->_running = false;
- ae->_jack = 0;
+ 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 */
+ }
+}
+
+bool
+AudioEngine::can_request_hardware_monitoring ()
+{
+ const char ** ports;
+
+ if (!_jack) {
+ return 0;
+ }
+
+ if ((ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortCanMonitor)) == 0) {
+ return false;
+ }
+
+ free (ports);
+
+ return true;
}
+
uint32_t
-AudioEngine::n_physical_outputs () const
+AudioEngine::n_physical_audio_outputs () const
{
const char ** ports;
uint32_t i = 0;
return 0;
}
- if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsInput)) == 0) {
+ if ((ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsInput)) == 0) {
return 0;
}
- if (ports) {
- for (i = 0; ports[i]; ++i);
- free (ports);
- }
+ for (i = 0; ports[i]; ++i);
+ free (ports);
+
return i;
}
uint32_t
-AudioEngine::n_physical_inputs () const
+AudioEngine::n_physical_audio_inputs () const
{
const char ** ports;
uint32_t i = 0;
return 0;
}
- if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsOutput)) == 0) {
+ if ((ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsOutput)) == 0) {
return 0;
}
}
void
-AudioEngine::get_physical_inputs (vector<string>& ins)
+AudioEngine::get_physical_audio_inputs (vector<string>& ins)
{
const char ** ports;
uint32_t i = 0;
return;
}
- if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsOutput)) == 0) {
+ if ((ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsOutput)) == 0) {
return;
}
for (i = 0; ports[i]; ++i) {
ins.push_back (ports[i]);
}
- cerr << "got " << ins.size() << " physical ins\n";
free (ports);
}
}
void
-AudioEngine::get_physical_outputs (vector<string>& outs)
+AudioEngine::get_physical_audio_outputs (vector<string>& outs)
{
const char ** ports;
uint32_t i = 0;
return;
}
- if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsInput)) == 0) {
+ if ((ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsInput)) == 0) {
return;
}
for (i = 0; ports[i]; ++i) {
outs.push_back (ports[i]);
}
- cerr << "got " << outs.size() << " physical outs\n";
free (ports);
}
}
string
-AudioEngine::get_nth_physical (uint32_t n, int flag)
+AudioEngine::get_nth_physical_audio (uint32_t n, int flag)
{
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 "";
- }
+ if (!_jack) {
+ fatal << _("get_nth_physical called before engine was connected") << endmsg;
+ /*NOTREACHED*/
}
- ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|flag);
+ ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|flag);
if (ports == 0) {
return "";
return ret;
}
-jack_nframes_t
+nframes_t
AudioEngine::get_port_total_latency (const Port& port)
{
if (!_jack) {
/*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);
}
void
AudioEngine::transport_stop ()
{
- // cerr << "tell JACK to stop\n";
if (_jack) {
jack_transport_stop (_jack);
}
void
AudioEngine::transport_start ()
{
- // cerr << "tell JACK to start\n";
if (_jack) {
jack_transport_start (_jack);
}
}
void
-AudioEngine::transport_locate (jack_nframes_t where)
+AudioEngine::transport_locate (nframes_t where)
{
// cerr << "tell JACK to locate to " << where << endl;
if (_jack) {
{
if (_jack) {
- if (onoff) {
- _freewheel_thread_registered = false;
- }
+ if (onoff != _freewheeling) {
+
+ if (onoff) {
+ _freewheel_thread_registered = false;
+ }
- return jack_set_freewheel (_jack, onoff);
+ return jack_set_freewheel (_jack, onoff);
+
+ } else {
+ /* already doing what has been asked for */
+ return 0;
+ }
} else {
return -1;
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;
- }
-
if (status & JackNameNotUnique) {
jack_client_name = jack_get_client_name (_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) {
+ if (!_jack) {
return 0;
}
- if (jack_client_close (_jack)) {
- error << _("cannot shutdown connection to JACK") << endmsg;
+
+ if (_running) {
+ stop_metering_thread ();
+ }
+
+ {
+ Glib::Mutex::Lock lm (_process_lock);
+ jack_client_close (_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 */
Glib::usleep (250000);
if (session) {
- jack_nframes_t blocksize = jack_get_buffer_size (_jack);
+ session->reset_jack_connection (_jack);
+ nframes_t blocksize = jack_get_buffer_size (_jack);
session->set_block_size (blocksize);
session->set_frame_rate (jack_get_sample_rate (_jack));
}
if (Config->get_jack_time_master()) {
jack_set_timebase_callback (_jack, 0, _jack_timebase_callback, this);
- }
+ }
if (jack_activate (_jack) == 0) {
_running = true;
for (PortConnections::iterator i = port_connections.begin(); i != port_connections.end(); ++i) {
int err;
+ jack_client_t* j = _jack;
+
+ /* JACK could have zombified us. */
+
+ if (!j) {
+ 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 (j, (*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;
+
+ if (nframes == jack_get_buffer_size (_jack)) {
+ return 0;
+ }
+
+ return jack_set_buffer_size (_jack, nframes);
+
} else {
return -1;
}
AudioEngine::update_total_latencies ()
{
#ifdef HAVE_JACK_RECOMPUTE_LATENCIES
- jack_recompute_total_latencies (_jack);
+ if (_jack) {
+ jack_recompute_total_latencies (_jack);
+ }
#endif
}
return str;
}
+bool
+AudioEngine::is_realtime () const
+{
+ if (_jack) {
+ return jack_is_realtime (_jack);
+ } else {
+ return false;
+ }
+}
projects / ardour.git / blobdiff