#include <unistd.h>
#include <cerrno>
#include <vector>
+#include <sstream>
#include <glibmm/timer.h>
#include <pbd/pthread_utils.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>
static void
ardour_jack_error (const char* msg)
{
- error << "JACK: " << msg << endmsg;
+ // throw JACK errors away - they cause visual clutter
+ // error << "JACK: " << msg << endmsg;
}
AudioEngine::AudioEngine (string client_name)
last_monitor_check = 0;
monitor_check_interval = max_frames;
_processed_frames = 0;
- _freewheeling = false;
_usecs_per_cycle = 0;
_jack = 0;
_frame_rate = 0;
_buffer_size = 0;
- _freewheeling = false;
_freewheel_thread_registered = false;
+ _freewheeling = false;
m_meter_thread = 0;
g_atomic_int_set (&m_meter_exit, 0);
if (connect_to_jack (client_name)) {
throw NoBackendAvailable ();
}
-
- start_metering_thread();
-
}
AudioEngine::~AudioEngine ()
if (_running) {
jack_client_close (_jack);
+ _jack = 0;
}
stop_metering_thread ();
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) {
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));
} else {
// error << _("cannot activate JACK client") << endmsg;
}
+
+ start_metering_thread();
}
return _running ? 0 : -1;
int
AudioEngine::stop (bool forever)
{
- if (_running) {
- _running = false;
+ if (_jack) {
if (forever) {
- jack_client_t* foo = _jack;
- _jack = 0;
- jack_client_close (foo);
- stop_metering_thread ();
+ disconnect_from_jack ();
} else {
jack_deactivate (_jack);
+ Stopped(); /* EMIT SIGNAL */
}
- Stopped(); /* EMIT SIGNAL */
}
return _running ? -1 : 0;
jack_position_t pos;
- (void) jack_transport_query (_jack, &pos);
-
- if (pos.valid & JackVideoFrameOffset) {
- offset = pos.video_offset;
- return true;
+ if (_jack) {
+ (void) jack_transport_query (_jack, &pos);
+
+ if (pos.valid & JackVideoFrameOffset) {
+ offset = pos.video_offset;
+ return true;
+ }
}
#endif
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;
if (_freewheeling) {
if (Freewheel (nframes)) {
- cerr << "Freewheeling returned non-zero!\n";
- _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;
}
AudioEngine::start_metering_thread ()
{
if (m_meter_thread == 0) {
+ g_atomic_int_set (&m_meter_exit, 0);
m_meter_thread = Glib::Thread::create (sigc::mem_fun(this, &AudioEngine::meter_thread),
- 500000, true, true, Glib::THREAD_PRIORITY_NORMAL);
+ 500000, true, true, Glib::THREAD_PRIORITY_NORMAL);
}
}
/* 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);
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 {
- throw PortRegistrationFailure();
+ port_registration_failure (portname);
}
return 0;
return newport;
} else {
- throw PortRegistrationFailure ();
+ port_registration_failure (portname);
}
return 0;
AudioEngine::halted (void *arg)
{
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;
- 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;
}
}
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;
}
}
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 "";
/*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);
}
{
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) {
/* just return without an error message. something else will take care of it */
return -1;
{
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;
}
- jack_client_close (_jack);
+
+ if (_running) {
+ stop_metering_thread ();
+ }
+
+ {
+ Glib::Mutex::Lock lm (_process_lock);
+ jack_client_close (_jack);
+ _jack = 0;
+ }
_buffer_size = 0;
_frame_rate = 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 (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;
}
AudioEngine::update_total_latencies ()
{
#ifdef HAVE_JACK_RECOMPUTE_LATENCIES
- jack_recompute_total_latencies (_jack);
+ if (_jack) {
+ jack_recompute_total_latencies (_jack);
+ }
#endif
}
projects / ardour.git / blobdiff