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-rw-r--r--libs/ardour/audioengine.cc138
1 files changed, 111 insertions, 27 deletions
diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index d00b83f53d..15ad6e442c 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -24,6 +24,7 @@
#include <glibmm/timer.h>
#include <pbd/pthread_utils.h>
+#include <pbd/unknown_type.h>
#include <ardour/audioengine.h>
#include <ardour/buffer.h>
@@ -46,6 +47,7 @@ using namespace ARDOUR;
using namespace PBD;
AudioEngine::AudioEngine (string client_name)
+ : ports (new Ports)
{
session = 0;
session_remove_pending = false;
@@ -257,8 +259,10 @@ AudioEngine::process_callback (jack_nframes_t nframes)
return 0;
}
+ boost::shared_ptr<Ports> p = ports.reader();
+
// Prepare ports (ie read data if necessary)
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i)
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i)
(*i)->cycle_start(nframes);
session->process (nframes);
@@ -273,11 +277,14 @@ AudioEngine::process_callback (jack_nframes_t nframes)
}
// Finalize ports (ie write data if necessary)
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i)
+ 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;
@@ -336,7 +343,9 @@ AudioEngine::jack_bufsize_callback (jack_nframes_t 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) {
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
(*i)->reset();
}
@@ -407,21 +416,26 @@ AudioEngine::register_input_port (DataType type, const string& portname)
}
}
- jack_port_t *p = jack_port_register (_jack, portname.c_str(),
- type.to_jack_type(), JackPortIsInput, 0);
+ jack_port_t *p = jack_port_register (_jack, portname.c_str(), type.to_jack_type(), JackPortIsInput, 0);
if (p) {
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 */
+ }
- if (newport)
- ports.insert (ports.begin(), newport);
-
return newport;
} else {
@@ -449,16 +463,23 @@ AudioEngine::register_output_port (DataType type, const string& portname)
if ((p = jack_port_register (_jack, portname.c_str(),
type.to_jack_type(), JackPortIsOutput, 0)) != 0) {
- Port *newport = NULL;
+
+ Port* newport = 0;
if (type == DataType::AUDIO)
newport = new AudioPort (p);
else if (type == DataType::MIDI)
newport = new MidiPort (p);
-
- if (newport)
- ports.insert (ports.begin(), newport);
-
+ 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 {
@@ -485,18 +506,25 @@ AudioEngine::unregister_port (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);
}
return ret;
-
}
int
@@ -630,7 +658,9 @@ AudioEngine::get_port_by_name (const string& portname, bool keep)
}
}
- 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);
}
@@ -709,6 +739,50 @@ AudioEngine::n_physical_inputs () const
return i;
}
+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;
+ }
+
+ 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)
{
@@ -836,12 +910,19 @@ AudioEngine::remove_all_ports ()
/* process lock MUST be held */
if (_jack) {
- 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) {
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 ();
}
@@ -941,7 +1022,7 @@ AudioEngine::reconnect_to_jack ()
if (_jack) {
disconnect_from_jack ();
/* XXX give jackd a chance */
- Glib::usleep (250000);
+ Glib::usleep (250000);
}
if (connect_to_jack (jack_client_name)) {
@@ -951,7 +1032,9 @@ AudioEngine::reconnect_to_jack ()
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 */
@@ -973,8 +1056,9 @@ AudioEngine::reconnect_to_jack ()
}
}
- if (i != ports.end()) {
- for (Ports::iterator i = ports.begin(); i != ports.end(); ++i) {
+ if (i != p->end()) {
+ /* failed */
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
jack_port_unregister (_jack, (*i)->_port);
}
return -1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-07 05:19:44 +0000