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Diffstat (limited to 'libs/ardour/session_midi.cc')
-rw-r--r--libs/ardour/session_midi.cc511
1 files changed, 13 insertions, 498 deletions
diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc
index a0366dd6e8..4388fe6dca 100644
--- a/libs/ardour/session_midi.cc
+++ b/libs/ardour/session_midi.cc
@@ -28,6 +28,7 @@
#include <boost/shared_ptr.hpp>
+#include <glibmm/main.h>
#include "midi++/mmc.h"
#include "midi++/port.h"
@@ -41,6 +42,7 @@
#include "ardour/session.h"
#include "ardour/audio_track.h"
#include "ardour/midi_track.h"
+#include "ardour/midi_ui.h"
#include "ardour/audio_diskstream.h"
#include "ardour/slave.h"
#include "ardour/cycles.h"
@@ -52,6 +54,7 @@ using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace MIDI;
+using namespace Glib;
MachineControl::CommandSignature MMC_CommandSignature;
MachineControl::ResponseSignature MMC_ResponseSignature;
@@ -146,7 +149,6 @@ Session::set_mtc_port (string port_tag)
out:
MTC_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
@@ -244,7 +246,6 @@ Session::set_mmc_port (string port_tag)
out:
MMC_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
@@ -278,7 +279,6 @@ Session::set_midi_port (string /*port_tag*/)
out:
#endif
MIDI_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
@@ -320,7 +320,6 @@ Session::set_midi_clock_port (string port_tag)
out:
MIDIClock_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
@@ -640,8 +639,12 @@ Session::mmc_step (MIDI::MachineControl &/*mmc*/, int steps)
last_mmc_step = now;
if (!step_queued) {
- midi_timeouts.push_back (mem_fun (*this, &Session::mmc_step_timeout));
- step_queued = true;
+ if (midi_control_ui) {
+ RefPtr<TimeoutSource> tsrc = TimeoutSource::create (100);
+ tsrc->connect (mem_fun (*this, &Session::mmc_step_timeout));
+ tsrc->attach (midi_control_ui->main_loop()->get_context());
+ step_queued = true;
+ }
}
}
@@ -741,16 +744,6 @@ Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled)
}
}
-void
-Session::change_midi_ports ()
-{
- MIDIRequest* request = new MIDIRequest;
-
- request->type = MIDIRequest::PortChange;
- midi_requests.write (&request, 1);
- poke_midi_thread ();
-}
-
/** Send MTC Full Frame message (complete Timecode time) for the start of this cycle.
* This resets the MTC code, the next quarter frame message that is sent will be
* the first one with the beginning of this cycle as the new start point.
@@ -1022,495 +1015,17 @@ Session::mmc_step_timeout ()
int
Session::start_midi_thread ()
{
- if (pipe (midi_request_pipe)) {
- error << string_compose(_("Cannot create transport request signal pipe (%1)"), strerror (errno)) << endmsg;
- return -1;
- }
-
- if (fcntl (midi_request_pipe[0], F_SETFL, O_NONBLOCK)) {
- error << string_compose(_("UI: cannot set O_NONBLOCK on " "signal read pipe (%1)"), strerror (errno)) << endmsg;
- return -1;
- }
-
- if (fcntl (midi_request_pipe[1], F_SETFL, O_NONBLOCK)) {
- error << string_compose(_("UI: cannot set O_NONBLOCK on " "signal write pipe (%1)"), strerror (errno)) << endmsg;
- return -1;
- }
-
- if (pthread_create_and_store ("transport", &midi_thread, 0, _midi_thread_work, this)) {
- error << _("Session: could not create transport thread") << endmsg;
- return -1;
- }
-
+ midi_control_ui = new MidiControlUI (*this);
+ midi_control_ui->run ();
return 0;
}
void
Session::terminate_midi_thread ()
{
- if (midi_thread) {
-
- MIDIRequest* request = new MIDIRequest;
- void* status;
-
- request->type = MIDIRequest::Quit;
-
- midi_requests.write (&request, 1);
- poke_midi_thread ();
-
- pthread_join (midi_thread, &status);
- }
-}
-
-void
-Session::poke_midi_thread ()
-{
- static char c = 0;
-
- if (write (midi_request_pipe[1], &c, 1) != 1) {
- error << string_compose(_("cannot send signal to midi thread! (%1)"), strerror (errno)) << endmsg;
- }
-}
-
-void *
-Session::_midi_thread_work (void* arg)
-{
- pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, 0);
- pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
-
- ((Session *) arg)->midi_thread_work ();
- return 0;
-}
-
-#if 0
-void
-Session::midi_thread_work ()
-{
- MIDIRequest* request;
- GPollFD pfd[4];
- int nfds = 0;
- int timeout;
- int fds_ready;
- struct sched_param rtparam;
- int x;
- bool restart;
- vector<MIDI::Port*> ports;
-
- PBD::notify_gui_about_thread_creation (pthread_self(), X_("MIDI"), 2048);
- SessionEvent::create_per_thread_pool (X_("MIDI I/O"), 128);
-
- memset (&rtparam, 0, sizeof (rtparam));
- rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
-
- if ((x = pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam)) != 0) {
- // do we care? not particularly.
- }
-
- /* set up the port vector; 5 is the largest possible size for now */
-
- ports.assign (5, (MIDI::Port*) 0);
-
- GMainContext* main_context = g_main_context_new ();
-
- while (1) {
-
- nfds = 0;
-
- gpfd[nfds].fd = midi_request_pipe[0];
- gpfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- nfds++;
-
- if (Config->get_mmc_control() && _mmc_port && _mmc_port->selectable() >= 0) {
- gpfd[nfds].fd = _mmc_port->selectable();
- gpfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _mmc_port;
- g_main_context_add_poll (&gpfd[nfds]);
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for mmc @ %2\n", nfds, _mmc_port));
- nfds++;
- }
-
- /* if MTC is being handled on a different port from MMC
- or we are not handling MMC at all, poll
- the relevant port.
- */
-
- if (_mtc_port && (_mtc_port != _mmc_port || !Config->get_mmc_control()) && _mtc_port->selectable() >= 0) {
- gpfd[nfds].fd = _mtc_port->selectable();
- gpfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _mtc_port;
- g_main_context_add_poll (&gpfd[nfds]);
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for mtc @ %2\n", nfds, _mtc_port));
- nfds++;
- }
-
- if (_midi_clock_port && (_midi_clock_port != _mmc_port || !Config->get_mmc_control()) && _midi_clock_port->selectable() >= 0) {
- gpfd[nfds].fd = _midi_clock_port->selectable();
- gpfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _midi_clock_port;
- g_main_context_add_poll (&gpfd[nfds]);
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for midi clock @ %2\n", nfds, _midi_clock_port));
- nfds++;
- }
-
- /* if we are using MMC control, we obviously have to listen
- the relevant port.
- */
-
- if (_midi_port && (_midi_port != _mmc_port || !Config->get_mmc_control()) && (_midi_port != _mtc_port) && _midi_port->selectable() >= 0) {
- gpfd[nfds].fd = _midi_port->selectable();
- gpfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _midi_port;
- g_main_context_add_poll (&gpfd[nfds]);
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for midi @ %2\n", nfds, _midi_port));
- nfds++;
- }
-
- if (!midi_timeouts.empty()) {
- timeout = 100; /* 10msecs */
- } else {
- timeout = -1; /* if there is no data, we don't care */
- }
-
- again:
-
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("MIDI poll on %1 fds for %2\n", nfds, timeout));
- if (g_poll (gpfd, nfds, timeout) < 0) {
- if (errno == EINTR) {
- /* gdb at work, perhaps */
- goto again;
- }
-
- error << string_compose(_("MIDI thread poll failed (%1)"), strerror (errno)) << endmsg;
-
- break;
- }
-
- nframes64_t now = engine().frame_time();
-
- DEBUG_TRACE (DEBUG::MidiIO, "MIDI thread awake\n");
-
- fds_ready = 0;
-
- /* check the transport request pipe */
-
- if (gpfd[0].revents & ~POLLIN) {
- error << _("Error on transport thread request pipe") << endmsg;
- break;
- }
-
- if (gpfd[0].revents & POLLIN) {
-
- char foo[16];
-
- DEBUG_TRACE (DEBUG::MidiIO, "MIDI request FIFO ready\n");
- fds_ready++;
-
- /* empty the pipe of all current requests */
-
- while (1) {
- size_t nread = read (midi_request_pipe[0], &foo, sizeof (foo));
-
- if (nread > 0) {
- if ((size_t) nread < sizeof (foo)) {
- break;
- } else {
- continue;
- }
- } else if (nread == 0) {
- break;
- } else if (errno == EAGAIN) {
- break;
- } else {
- fatal << _("Error reading from transport request pipe") << endmsg;
- /*NOTREACHED*/
- }
- }
-
- while (midi_requests.read (&request, 1) == 1) {
-
- switch (request->type) {
- case MIDIRequest::PortChange:
- /* restart poll with new ports */
- DEBUG_TRACE (DEBUG::MidiIO, "rebind\n");
- restart = true;
- break;
-
- case MIDIRequest::Quit:
- delete request;
- DEBUG_TRACE (DEBUG::MidiIO, "thread quit\n");
- pthread_exit_pbd (0);
- /*NOTREACHED*/
- break;
-
- default:
- break;
- }
-
-
- delete request;
- }
-
- }
-
- if (restart) {
- DEBUG_TRACE (DEBUG::MidiIO, "ports changed, restart poll\n");
- restart = false;
- continue;
- }
-
- /* now read the rest of the ports */
-
- for (int p = 1; p < nfds; ++p) {
-
- DEBUG_STR_SET(foo, "port #%1 revents = ");
- DEBUG_STR(foo) << hex << pfd[p].revents << dec << endl;
- DEBUG_TRACE (DEBUG::MidiIO, string_compose (DEBUG_STR(foo).str(), p));
-
- if ((pfd[p].revents & ~POLLIN)) {
- // error << string_compose(_("Transport: error polling MIDI port %1 (revents =%2%3%4"), p, &hex, pfd[p].revents, &dec) << endmsg;
- break;
- }
-
- if (pfd[p].revents & POLLIN) {
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("MIDI fd # %1 has data ready @ %2\n", p, now));
- fds_ready++;
- ports[p]->parse (now);
- }
-
- g_main_context_remove_poll (&gpfd[p]);
- }
-
- /* timeout driven */
-
- if (fds_ready < 2 && timeout != -1) {
-
- DEBUG_TRACE (DEBUG::MidiIO, "Check timeouts\n");
- for (MidiTimeoutList::iterator i = midi_timeouts.begin(); i != midi_timeouts.end(); ) {
-
- MidiTimeoutList::iterator tmp;
- tmp = i;
- ++tmp;
-
- if (!(*i)()) {
- midi_timeouts.erase (i);
- }
-
- i = tmp;
- }
- }
+ if (midi_control_ui) {
+ midi_control_ui->quit ();
}
-
}
-#endif
-
-void
-Session::midi_thread_work ()
-{
- MIDIRequest* request;
- struct pollfd pfd[4];
- int nfds = 0;
- int timeout;
- int fds_ready;
- struct sched_param rtparam;
- int x;
- bool restart;
- vector<MIDI::Port*> ports;
-
- PBD::notify_gui_about_thread_creation (pthread_self(), X_("MIDI"), 2048);
- SessionEvent::create_per_thread_pool (X_("MIDI I/O"), 128);
-
- memset (&rtparam, 0, sizeof (rtparam));
- rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
-
- if ((x = pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam)) != 0) {
- // do we care? not particularly.
- }
-
- /* set up the port vector; 5 is the largest possible size for now */
-
- ports.assign (5, (MIDI::Port*) 0);
-
- while (1) {
-
- nfds = 0;
-
- pfd[nfds].fd = midi_request_pipe[0];
- pfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- nfds++;
-
- if (Config->get_mmc_control() && _mmc_port && _mmc_port->selectable() >= 0) {
- pfd[nfds].fd = _mmc_port->selectable();
- pfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _mmc_port;
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for mmc @ %2\n", nfds, _mmc_port));
- nfds++;
- }
-
- /* if MTC is being handled on a different port from MMC
- or we are not handling MMC at all, poll
- the relevant port.
- */
-
- if (_mtc_port && (_mtc_port != _mmc_port || !Config->get_mmc_control()) && _mtc_port->selectable() >= 0) {
- pfd[nfds].fd = _mtc_port->selectable();
- pfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _mtc_port;
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for mtc @ %2\n", nfds, _mtc_port));
- nfds++;
- }
-
- if (_midi_clock_port && (_midi_clock_port != _mmc_port || !Config->get_mmc_control()) && _midi_clock_port->selectable() >= 0) {
- pfd[nfds].fd = _midi_clock_port->selectable();
- pfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _midi_clock_port;
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for midi clock @ %2\n", nfds, _midi_clock_port));
- nfds++;
- }
-
- /* if we are using MMC control, we obviously have to listen
- the relevant port.
- */
-
- if (_midi_port && (_midi_port != _mmc_port || !Config->get_mmc_control()) && (_midi_port != _mtc_port) && _midi_port->selectable() >= 0) {
- pfd[nfds].fd = _midi_port->selectable();
- pfd[nfds].events = POLLIN|POLLHUP|POLLERR;
- ports[nfds] = _midi_port;
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("set up port #%1 for midi @ %2\n", nfds, _midi_port));
- nfds++;
- }
-
- if (!midi_timeouts.empty()) {
- timeout = 100; /* 10msecs */
- } else {
- timeout = -1; /* if there is no data, we don't care */
- }
-
- again:
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("MIDI poll on %1 fds for %2\n", nfds, timeout));
- if (poll (pfd, nfds, timeout) < 0) {
- if (errno == EINTR) {
- /* gdb at work, perhaps */
- goto again;
- }
-
- error << string_compose(_("MIDI thread poll failed (%1)"), strerror (errno)) << endmsg;
-
- break;
- }
-
- nframes64_t now = engine().frame_time();
-
- DEBUG_TRACE (DEBUG::MidiIO, "MIDI thread awake\n");
- fds_ready = 0;
-
- /* check the transport request pipe */
-
- if (pfd[0].revents & ~POLLIN) {
- error << _("Error on transport thread request pipe") << endmsg;
- break;
- }
-
- if (pfd[0].revents & POLLIN) {
-
- char foo[16];
-
- DEBUG_TRACE (DEBUG::MidiIO, "MIDI request FIFO ready\n");
- fds_ready++;
-
- /* empty the pipe of all current requests */
-
- while (1) {
- size_t nread = read (midi_request_pipe[0], &foo, sizeof (foo));
-
- if (nread > 0) {
- if ((size_t) nread < sizeof (foo)) {
- break;
- } else {
- continue;
- }
- } else if (nread == 0) {
- break;
- } else if (errno == EAGAIN) {
- break;
- } else {
- fatal << _("Error reading from transport request pipe") << endmsg;
- /*NOTREACHED*/
- }
- }
-
- while (midi_requests.read (&request, 1) == 1) {
-
- switch (request->type) {
- case MIDIRequest::PortChange:
- /* restart poll with new ports */
- DEBUG_TRACE (DEBUG::MidiIO, "rebind\n");
- restart = true;
- break;
-
- case MIDIRequest::Quit:
- delete request;
- DEBUG_TRACE (DEBUG::MidiIO, "thread quit\n");
- pthread_exit_pbd (0);
- /*NOTREACHED*/
- break;
-
- default:
- break;
- }
-
-
- delete request;
- }
-
- }
-
- if (restart) {
- DEBUG_TRACE (DEBUG::MidiIO, "ports changed, restart poll\n");
- restart = false;
- continue;
- }
-
- /* now read the rest of the ports */
-
- for (int p = 1; p < nfds; ++p) {
-
-#ifndef NDEBUG
- DEBUG_STR_SET(foo, "port #%1 revents = ");
- DEBUG_STR(foo) << hex << pfd[p].revents << dec << endl;
- DEBUG_TRACE (DEBUG::MidiIO, string_compose (DEBUG_STR(foo).str(), p));
-#endif
-
- if ((pfd[p].revents & ~POLLIN)) {
- // error << string_compose(_("Transport: error polling MIDI port %1 (revents =%2%3%4"), p, &hex, pfd[p].revents, &dec) << endmsg;
- break;
- }
-
- if (pfd[p].revents & POLLIN) {
- DEBUG_TRACE (DEBUG::MidiIO, string_compose ("MIDI fd # %1 has data ready @ %2\n", p, now));
- fds_ready++;
- ports[p]->parse (now);
- }
- }
-
- /* timeout driven */
-
- if (fds_ready < 2 && timeout != -1) {
-
- DEBUG_TRACE (DEBUG::MidiIO, "Check timeouts\n");
- for (MidiTimeoutList::iterator i = midi_timeouts.begin(); i != midi_timeouts.end(); ) {
-
- MidiTimeoutList::iterator tmp;
- tmp = i;
- ++tmp;
-
- if (!(*i)()) {
- midi_timeouts.erase (i);
- }
-
- i = tmp;
- }
- }
- }
-}
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