#include <glibmm/timer.h>
#include <pbd/pthread_utils.h>
+#include <pbd/unknown_type.h>
#include <ardour/audioengine.h>
+#include <ardour/buffer.h>
#include <ardour/port.h>
+#include <ardour/audio_port.h>
+#include <ardour/midi_port.h>
#include <ardour/session.h>
#include <ardour/cycle_timer.h>
#include <ardour/utils.h>
using namespace std;
using namespace ARDOUR;
-
-jack_nframes_t Port::short_over_length = 2;
-jack_nframes_t Port::long_over_length = 10;
+using namespace PBD;
AudioEngine::AudioEngine (string client_name)
+ : ports (new Ports)
{
session = 0;
session_remove_pending = false;
_buffer_size = 0;
_freewheeling = false;
_freewheel_thread_registered = false;
-
- m_meter_thread = 0;
- m_meter_exit = false;
- start_metering_thread();
-
+ m_meter_thread = 0;
+ m_meter_exit = false;
+
if (connect_to_jack (client_name)) {
throw NoBackendAvailable ();
}
+ start_metering_thread();
+
}
AudioEngine::~AudioEngine ()
jack_client_close (_jack);
}
- if(m_meter_thread) {
- g_atomic_int_inc(&m_meter_exit);
- }
+ if(m_meter_thread) {
+ g_atomic_int_inc(&m_meter_exit);
+ }
}
void
*/
PBD::ThreadCreatedWithRequestSize (pthread_self(), X_("Audioengine"), 4096);
-
-#ifdef VST_SUPPORT
- if (Config->get_use_vst()) {
- fst_adopt_thread ();
- }
-#endif
}
int
}
+
+bool
+AudioEngine::get_sync_offset (jack_nframes_t& offset) const
+{
+ jack_position_t pos;
+
+ (void) jack_transport_query (_jack, &pos);
+
+ if (pos.valid & JackVideoFrameOffset) {
+ offset = pos.video_offset;
+ return true;
+ }
+
+ return false;
+}
+
void
AudioEngine::_jack_timebase_callback (jack_transport_state_t state, jack_nframes_t nframes,
-
- jack_position_t* pos, int new_position, void *arg)
+ 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)
+ jack_position_t* pos, int new_position)
{
if (session && session->synced_to_jack()) {
session->jack_timebase_callback (state, nframes, pos, new_position);
int
AudioEngine::_graph_order_callback (void *arg)
{
-
static_cast<AudioEngine *>(arg)->GraphReordered (); /* EMIT SIGNAL */
+ static_cast<AudioEngine *>(arg)->GraphReordered (); /* EMIT SIGNAL */
return 0;
}
return 0;
}
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ // Prepare ports (ie read data if necessary)
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i)
+ (*i)->cycle_start(nframes);
+
session->process (nframes);
if (!_running) {
_processed_frames = next_processed_frames;
return 0;
}
+
+ // Finalize ports (ie write data if necessary)
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i)
+ (*i)->cycle_end();
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 ...
*/
_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) {
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
(*i)->reset();
}
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) {
+ m_meter_thread = Glib::Thread::create (sigc::mem_fun(this, &AudioEngine::meter_thread), false);
+ }
}
void
}
Port *
-AudioEngine::register_audio_input_port (const string& portname)
+AudioEngine::register_input_port (DataType type, const string& portname)
{
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 (_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);
+ Port* newport = 0;
+
+ if (type == DataType::AUDIO)
+ newport = new AudioPort (p);
+ else if (type == DataType::MIDI)
+ newport = new MidiPort (p);
+ else
+ throw unknown_type();
+
+ if (newport != 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;
} else {
}
Port *
-AudioEngine::register_audio_output_port (const string& portname)
+AudioEngine::register_output_port (DataType type, const string& portname)
{
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);
+ jack_port_t* p = 0;
+
+ if ((p = jack_port_register (_jack, portname.c_str(),
+ type.to_jack_type(), JackPortIsOutput, 0)) != 0) {
+
+ Port* newport = 0;
+
+ if (type == DataType::AUDIO)
+ newport = new AudioPort (p);
+ else if (type == DataType::MIDI)
+ newport = new MidiPort (p);
+ else
+ throw unknown_type ();
+
+ if (newport != 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;
-
+
} else {
_process_lock.unlock();
return 0;
}
+
int
-AudioEngine::unregister_port (Port *port)
+AudioEngine::unregister_port (Port& port)
{
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) {
+ int ret = jack_port_unregister (_jack, port._port);
- int ret = jack_port_unregister (_jack, port->port);
-
- if (ret == 0) {
+ if (ret == 0) {
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
- if ((*i) == port) {
- ports.erase (i);
+ {
+
+ 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;
}
}
- remove_connections_for (port);
+ /* writer goes out of scope, forces update */
}
- return ret;
-
- } else {
- return -1;
+ remove_connections_for (port);
}
+
+ return ret;
}
int
}
int
-AudioEngine::disconnect (Port *port)
+AudioEngine::disconnect (Port& port)
{
if (!_running) {
if (!_has_run) {
}
}
- int ret = jack_port_disconnect (_jack, port->port);
+ int ret = jack_port_disconnect (_jack, port._port);
if (ret == 0) {
remove_connections_for (port);
}
}
+/** Get a port by name.
+ * Note this can return NULL, it will NOT create a port if it is not found (any more).
+ */
Port *
AudioEngine::get_port_by_name (const string& portname, bool keep)
{
}
}
- /* 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) {
- Port *newport = new Port (p);
- if (keep && newport->is_mine (_jack)) {
- ports.insert (newport);
- }
- return newport;
- } else {
- return 0;
- }
+ return 0;
}
const char **
return i;
}
-string
+void
+AudioEngine::get_physical_inputs (vector<string>& ins)
+{
+ const char ** ports;
+ uint32_t i = 0;
+
+ if (!_jack) {
+ return;
+ }
+
+ if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsOutput)) == 0) {
+ return;
+ }
-AudioEngine::get_nth_physical (uint32_t n, int flag)
+ if (ports) {
+ for (i = 0; ports[i]; ++i) {
+ ins.push_back (ports[i]);
+ }
+ free (ports);
+ }
+}
+
+void
+AudioEngine::get_physical_outputs (vector<string>& outs)
+{
+ const char ** ports;
+ uint32_t i = 0;
+
+ if (!_jack) {
+ return;
+ }
+
+ if ((ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|JackPortIsInput)) == 0) {
+ return;
+ }
+
+ if (ports) {
+ for (i = 0; ports[i]; ++i) {
+ outs.push_back (ports[i]);
+ }
+ free (ports);
+ }
+}
+
+string
+AudioEngine::get_nth_physical (DataType type, uint32_t n, int flag)
{
const char ** ports;
uint32_t i;
string ret;
+ assert(type != DataType::NIL);
+
if (!_running || !_jack) {
if (!_has_run) {
fatal << _("get_nth_physical called before engine was started") << endmsg;
}
}
- ports = jack_get_ports (_jack, NULL, NULL, JackPortIsPhysical|flag);
+ ports = jack_get_ports (_jack, NULL, type.to_jack_type(), JackPortIsPhysical|flag);
if (ports == 0) {
return "";
}
}
- return jack_port_get_total_latency (_jack, port.port);
+ return jack_port_get_total_latency (_jack, port._port);
}
void
/* process lock MUST be held */
if (_jack) {
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
- jack_port_unregister (_jack, (*i)->port);
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ jack_port_unregister (_jack, (*i)->_port);
}
}
- ports.clear ();
+ {
+ RCUWriter<Ports> writer (ports);
+ boost::shared_ptr<Ports> ps = writer.get_copy ();
+ ps->clear ();
+ }
+
port_connections.clear ();
}
void
-AudioEngine::remove_connections_for (Port* port)
+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()) {
+ if ((*i).first == port.name()) {
port_connections.erase (i);
}
if (_jack) {
disconnect_from_jack ();
/* XXX give jackd a chance */
- Glib::usleep (250000);
+ Glib::usleep (250000);
}
if (connect_to_jack (jack_client_name)) {
Ports::iterator i;
- for (i = ports.begin(); i != ports.end(); ++i) {
+ boost::shared_ptr<Ports> p = ports.reader ();
+
+ 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 (_jack, short_name.c_str(), (*i)->type().to_jack_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)->get_buffer().silence (jack_get_buffer_size (_jack), 0);
}
}
- 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 (_jack, (*i)->_port);
}
return -1;
}
projects / ardour.git / blobdiff