#include <boost/shared_ptr.hpp>
+#include <glibmm/main.h>
+
#include "midi++/mmc.h"
#include "midi++/port.h"
#include "midi++/manager.h"
#include "pbd/error.h"
-#include <glibmm/thread.h>
#include "pbd/pthread_utils.h"
#include "ardour/configuration.h"
+#include "ardour/debug.h"
#include "ardour/audioengine.h"
#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"
-#include "ardour/smpte.h"
+#include "ardour/timecode.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace MIDI;
+using namespace Glib;
MachineControl::CommandSignature MMC_CommandSignature;
MachineControl::ResponseSignature MMC_ResponseSignature;
out:
MTC_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
out:
MMC_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
int
-Session::set_midi_port (string port_tag)
+Session::set_midi_port (string /*port_tag*/)
{
#if 0
if (port_tag.length() == 0) {
out:
#endif
MIDI_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
out:
MIDIClock_PortChanged(); /* EMIT SIGNAL */
- change_midi_ports ();
set_dirty();
return 0;
}
MIDI::Parser* input_parser;
cerr << "enabling tracing: " << yn << " for input port " << port->name() << endl;
-
+
if (port) {
if ((input_parser = port->input()) != 0) {
input_parser->trace (yn, &cout, "input: ");
input_parser->trace (yn, &cout, "input: ");
}
}
-
- if (_midi_clock_port
- && _midi_clock_port != _mmc_port
- && _midi_clock_port != _mtc_port
+
+ if (_midi_clock_port
+ && _midi_clock_port != _mmc_port
+ && _midi_clock_port != _mtc_port
&& _midi_clock_port != _midi_port) {
if ((input_parser = _midi_clock_port->input()) != 0) {
input_parser->trace (yn, &cout, "input: ");
void
Session::setup_midi_control ()
{
- outbound_mtc_smpte_frame = 0;
+ outbound_mtc_timecode_frame = 0;
next_quarter_frame_to_send = 0;
/* setup the MMC buffer */
}
void
-Session::spp_start (Parser& ignored, nframes_t timestamp)
+Session::spp_start (Parser &, nframes_t /*timestamp*/)
{
- if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) {
+ if (Config->get_mmc_control() && (!config.get_external_sync() || config.get_sync_source() != JACK)) {
request_transport_speed (1.0);
}
}
}
void
-Session::spp_stop (Parser& ignored, nframes_t timestamp)
+Session::spp_stop (Parser&, nframes_t /*timestamp*/)
{
if (Config->get_mmc_control()) {
request_stop ();
}
}
-/*
-void
-Session::midi_clock_start (Parser& ignored, nframes_t timestamp)
-{
- if (Config->get_slave_source() == MIDIClock) {
- request_transport_speed (1.0);
- }
-}
void
-Session::midi_clock_continue (Parser& parser, nframes_t timestamp)
+Session::mmc_deferred_play (MIDI::MachineControl &/*mmc*/)
{
- midi_clock_start (parser, 0);
-}
-
-void
-Session::midi_clock_stop (Parser& ignored, nframes_t timestamp)
-{
- if (Config->get_slave_source() == MIDIClock) {
- request_stop ();
- }
-}
-*/
-
-void
-Session::mmc_deferred_play (MIDI::MachineControl &mmc)
-{
- if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) {
+ if (Config->get_mmc_control() && (!config.get_external_sync() || (config.get_sync_source() != JACK))) {
request_transport_speed (1.0);
}
}
void
-Session::mmc_record_pause (MIDI::MachineControl &mmc)
+Session::mmc_record_pause (MIDI::MachineControl &/*mmc*/)
{
if (Config->get_mmc_control()) {
maybe_enable_record();
}
void
-Session::mmc_record_strobe (MIDI::MachineControl &mmc)
+Session::mmc_record_strobe (MIDI::MachineControl &/*mmc*/)
{
if (!Config->get_mmc_control())
return;
}
void
-Session::mmc_record_exit (MIDI::MachineControl &mmc)
+Session::mmc_record_exit (MIDI::MachineControl &/*mmc*/)
{
if (Config->get_mmc_control()) {
disable_record (false);
}
void
-Session::mmc_stop (MIDI::MachineControl &mmc)
+Session::mmc_stop (MIDI::MachineControl &/*mmc*/)
{
if (Config->get_mmc_control()) {
request_stop ();
}
void
-Session::mmc_pause (MIDI::MachineControl &mmc)
+Session::mmc_pause (MIDI::MachineControl &/*mmc*/)
{
if (Config->get_mmc_control()) {
static bool step_queued = false;
void
-Session::mmc_step (MIDI::MachineControl &mmc, int steps)
+Session::mmc_step (MIDI::MachineControl &/*mmc*/, int steps)
{
if (!Config->get_mmc_control()) {
return;
}
double diff_secs = diff.tv_sec + (diff.tv_usec / 1000000.0);
- double cur_speed = (((steps * 0.5) * smpte_frames_per_second()) / diff_secs) / smpte_frames_per_second();
+ double cur_speed = (((steps * 0.5) * timecode_frames_per_second()) / diff_secs) / timecode_frames_per_second();
if (_transport_speed == 0 || cur_speed * _transport_speed < 0) {
/* change direction */
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;
+ }
}
}
void
-Session::mmc_rewind (MIDI::MachineControl &mmc)
+Session::mmc_rewind (MIDI::MachineControl &/*mmc*/)
{
if (Config->get_mmc_control()) {
request_transport_speed(-8.0f);
}
void
-Session::mmc_fast_forward (MIDI::MachineControl &mmc)
+Session::mmc_fast_forward (MIDI::MachineControl &/*mmc*/)
{
if (Config->get_mmc_control()) {
request_transport_speed(8.0f);
}
void
-Session::mmc_locate (MIDI::MachineControl &mmc, const MIDI::byte* mmc_tc)
+Session::mmc_locate (MIDI::MachineControl &/*mmc*/, const MIDI::byte* mmc_tc)
{
if (!Config->get_mmc_control()) {
return;
}
nframes_t target_frame;
- SMPTE::Time smpte;
+ Timecode::Time timecode;
- smpte.hours = mmc_tc[0] & 0xf;
- smpte.minutes = mmc_tc[1];
- smpte.seconds = mmc_tc[2];
- smpte.frames = mmc_tc[3];
- smpte.rate = smpte_frames_per_second();
- smpte.drop = smpte_drop_frames();
+ timecode.hours = mmc_tc[0] & 0xf;
+ timecode.minutes = mmc_tc[1];
+ timecode.seconds = mmc_tc[2];
+ timecode.frames = mmc_tc[3];
+ timecode.rate = timecode_frames_per_second();
+ timecode.drop = timecode_drop_frames();
- // Also takes smpte offset into account:
- smpte_to_sample( smpte, target_frame, true /* use_offset */, false /* use_subframes */ );
+ // Also takes timecode offset into account:
+ timecode_to_sample( timecode, target_frame, true /* use_offset */, false /* use_subframes */ );
if (target_frame > max_frames) {
target_frame = max_frames;
}
void
-Session::mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw)
+Session::mmc_shuttle (MIDI::MachineControl &/*mmc*/, float speed, bool forw)
{
if (!Config->get_mmc_control()) {
return;
}
}
-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 SMPTE time) for the start of this cycle.
+/** 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.
*/
int
-Session::send_full_time_code(nframes_t nframes)
+Session::send_full_time_code(nframes_t /*nframes*/)
{
/* This function could easily send at a given frame offset, but would
* that be useful? Does ardour do sub-block accurate locating? [DR] */
MIDI::byte msg[10];
- SMPTE::Time smpte;
+ Timecode::Time timecode;
- _send_smpte_update = false;
+ _send_timecode_update = false;
if (_mtc_port == 0 || !session_send_mtc) {
return 0;
}
- // Get smpte time for this transport frame
- sample_to_smpte(_transport_frame, smpte, true /* use_offset */, false /* no subframes */);
+ // Get timecode time for this transport frame
+ sample_to_timecode(_transport_frame, timecode, true /* use_offset */, false /* no subframes */);
- transmitting_smpte_time = smpte;
- outbound_mtc_smpte_frame = _transport_frame;
+ transmitting_timecode_time = timecode;
+ outbound_mtc_timecode_frame = _transport_frame;
// I don't understand this bit yet.. [DR]
- if (((mtc_smpte_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_smpte_time.frames % 2)) {
+ if (((mtc_timecode_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_timecode_time.frames % 2)) {
// start MTC quarter frame transmission on an even frame
- SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() );
- outbound_mtc_smpte_frame += (nframes_t) _frames_per_smpte_frame;
+ Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() );
+ outbound_mtc_timecode_frame += (nframes_t) _frames_per_timecode_frame;
}
// Compensate for audio latency
- outbound_mtc_smpte_frame += _worst_output_latency;
+ outbound_mtc_timecode_frame += _worst_output_latency;
next_quarter_frame_to_send = 0;
- // Sync slave to the same SMPTE time as we are on
+ // Sync slave to the same Timecode time as we are on
msg[0] = 0xf0;
msg[1] = 0x7f;
msg[2] = 0x7f;
msg[4] = 0x1;
msg[9] = 0xf7;
- msg[5] = mtc_smpte_bits | smpte.hours;
- msg[6] = smpte.minutes;
- msg[7] = smpte.seconds;
- msg[8] = smpte.frames;
+ msg[5] = mtc_timecode_bits | timecode.hours;
+ msg[6] = timecode.minutes;
+ msg[7] = timecode.seconds;
+ msg[8] = timecode.frames;
- cerr << "MTC: Sending full time code at " << outbound_mtc_smpte_frame << endl;
+ cerr << "MTC: Sending full time code at " << outbound_mtc_timecode_frame << endl;
// Send message at offset 0, sent time is for the start of this cycle
if (_mtc_port->midimsg (msg, sizeof (msg), 0)) {
/** Send MTC (quarter-frame) messages for this cycle.
* Must be called exactly once per cycle from the audio thread. Realtime safe.
- * This function assumes the state of full SMPTE is sane, eg. the slave is
+ * This function assumes the state of full Timecode is sane, eg. the slave is
* expecting quarter frame messages and has the right frame of reference (any
- * full MTC SMPTE time messages that needed to be sent should have been sent
+ * full MTC Timecode time messages that needed to be sent should have been sent
* earlier already this cycle by send_full_time_code)
*/
int
assert (next_quarter_frame_to_send >= 0);
assert (next_quarter_frame_to_send <= 7);
- if (_mtc_port == 0 || !session_send_mtc || transmitting_smpte_time.negative
+ if (_mtc_port == 0 || !session_send_mtc || transmitting_timecode_time.negative
/*|| (next_quarter_frame_to_send < 0)*/ ) {
// cerr << "(MTC) Not sending MTC\n";
return 0;
}
/* Duration of one quarter frame */
- nframes_t quarter_frame_duration = ((long) _frames_per_smpte_frame) >> 2;
+ nframes_t quarter_frame_duration = ((long) _frames_per_timecode_frame) >> 2;
- // cerr << "(MTC) TR: " << _transport_frame << " - SF: " << outbound_mtc_smpte_frame
- // << " - NQ: " << next_quarter_frame_to_send << " - FD" << quarter_frame_duration << endl;
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 NQ %3 FD %\4n", _transport_frame, outbound_mtc_timecode_frame,
+ next_quarter_frame_to_send, quarter_frame_duration));
// FIXME: this should always be true
- //assert((outbound_mtc_smpte_frame + (next_quarter_frame_to_send * quarter_frame_duration))
+ //assert((outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration))
// > _transport_frame);
// Send quarter frames for this cycle
- while (_transport_frame + nframes > (outbound_mtc_smpte_frame +
+ while (_transport_frame + nframes > (outbound_mtc_timecode_frame +
(next_quarter_frame_to_send * quarter_frame_duration))) {
- // cerr << "(MTC) Next frame to send: " << next_quarter_frame_to_send << endl;
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("next frame to send: %1\n", next_quarter_frame_to_send));
switch (next_quarter_frame_to_send) {
case 0:
- mtc_msg[1] = 0x00 | (transmitting_smpte_time.frames & 0xf);
+ mtc_msg[1] = 0x00 | (transmitting_timecode_time.frames & 0xf);
break;
case 1:
- mtc_msg[1] = 0x10 | ((transmitting_smpte_time.frames & 0xf0) >> 4);
+ mtc_msg[1] = 0x10 | ((transmitting_timecode_time.frames & 0xf0) >> 4);
break;
case 2:
- mtc_msg[1] = 0x20 | (transmitting_smpte_time.seconds & 0xf);
+ mtc_msg[1] = 0x20 | (transmitting_timecode_time.seconds & 0xf);
break;
case 3:
- mtc_msg[1] = 0x30 | ((transmitting_smpte_time.seconds & 0xf0) >> 4);
+ mtc_msg[1] = 0x30 | ((transmitting_timecode_time.seconds & 0xf0) >> 4);
break;
case 4:
- mtc_msg[1] = 0x40 | (transmitting_smpte_time.minutes & 0xf);
+ mtc_msg[1] = 0x40 | (transmitting_timecode_time.minutes & 0xf);
break;
case 5:
- mtc_msg[1] = 0x50 | ((transmitting_smpte_time.minutes & 0xf0) >> 4);
+ mtc_msg[1] = 0x50 | ((transmitting_timecode_time.minutes & 0xf0) >> 4);
break;
case 6:
- mtc_msg[1] = 0x60 | ((mtc_smpte_bits|transmitting_smpte_time.hours) & 0xf);
+ mtc_msg[1] = 0x60 | ((mtc_timecode_bits|transmitting_timecode_time.hours) & 0xf);
break;
case 7:
- mtc_msg[1] = 0x70 | (((mtc_smpte_bits|transmitting_smpte_time.hours) & 0xf0) >> 4);
+ mtc_msg[1] = 0x70 | (((mtc_timecode_bits|transmitting_timecode_time.hours) & 0xf0) >> 4);
break;
}
- const nframes_t msg_time = (outbound_mtc_smpte_frame
+ const nframes_t msg_time = (outbound_mtc_timecode_frame
+ (quarter_frame_duration * next_quarter_frame_to_send));
// This message must fall within this block or something is broken
return -1;
}
- /*cerr << "(MTC) SMPTE: " << transmitting_smpte_time.hours
- << ":" << transmitting_smpte_time.minutes
- << ":" << transmitting_smpte_time.seconds
- << ":" << transmitting_smpte_time.frames
- << ", qfm = " << next_quarter_frame_to_send
- << ", stamp = " << out_stamp
- << ", delta = " << _transport_frame + out_stamp - last_time << endl;*/
+#ifndef NDEBUG
+ DEBUG_STR_SET(foo,"sending ");
+ DEBUG_STR(foo) << transmitting_timecode_time;
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("%1 qfm = %2, stamp = %3\n", DEBUG_STR(foo).str(), next_quarter_frame_to_send,
+ out_stamp));
+#endif
// Increment quarter frame counter
next_quarter_frame_to_send++;
if (next_quarter_frame_to_send >= 8) {
// Wrap quarter frame counter
next_quarter_frame_to_send = 0;
- // Increment smpte time twice
- SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() );
- SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() );
+ // Increment timecode time twice
+ Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() );
+ Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() );
// Re-calculate timing of first quarter frame
- //smpte_to_sample( transmitting_smpte_time, outbound_mtc_smpte_frame, true /* use_offset */, false );
- outbound_mtc_smpte_frame += 8 * quarter_frame_duration;
+ //timecode_to_sample( transmitting_timecode_time, outbound_mtc_timecode_frame, true /* use_offset */, false );
+ outbound_mtc_timecode_frame += 8 * quarter_frame_duration;
// Compensate for audio latency
- outbound_mtc_smpte_frame += _worst_output_latency;
+ outbound_mtc_timecode_frame += _worst_output_latency;
}
}
{
using namespace MIDI;
int nbytes = 4;
- SMPTE::Time smpte;
+ Timecode::Time timecode;
if (_mmc_port == 0 || !session_send_mmc) {
// cerr << "Not delivering MMC " << _mmc_port << " - " << session_send_mmc << endl;
switch (cmd) {
case MachineControl::cmdLocate:
- smpte_time_subframes (where, smpte);
+ timecode_time_subframes (where, timecode);
mmc_buffer[nbytes++] = 0x6; // byte count
mmc_buffer[nbytes++] = 0x1; // "TARGET" subcommand
- mmc_buffer[nbytes++] = smpte.hours;
- mmc_buffer[nbytes++] = smpte.minutes;
- mmc_buffer[nbytes++] = smpte.seconds;
- mmc_buffer[nbytes++] = smpte.frames;
- mmc_buffer[nbytes++] = smpte.subframes;
+ mmc_buffer[nbytes++] = timecode.hours;
+ mmc_buffer[nbytes++] = timecode.minutes;
+ mmc_buffer[nbytes++] = timecode.seconds;
+ mmc_buffer[nbytes++] = timecode.frames;
+ mmc_buffer[nbytes++] = timecode.subframes;
break;
case MachineControl::cmdStop:
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;
+ if (midi_control_ui) {
+ midi_control_ui->quit ();
}
}
-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;
-}
-
-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);
-
- 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;
- //cerr << "MIDI port " << nfds << " = MMC @ " << _mmc_port << endl;
- 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;
- //cerr << "MIDI port " << nfds << " = MTC @ " << _mtc_port << endl;
- 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;
- 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;
- // cerr << "MIDI port " << nfds << " = MIDI @ " << _midi_port << endl;
- nfds++;
- }
-
- if (!midi_timeouts.empty()) {
- timeout = 100; /* 10msecs */
- } else {
- timeout = -1; /* if there is no data, we don't care */
- }
-
- again:
- // cerr << "MIDI poll on " << nfds << " for " << timeout << endl;
- 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;
- }
- // cerr << "MIDI thread wakes at " << get_cycles () << endl;
-
- 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];
-
- // cerr << "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 */
- // cerr << "rebind\n";
- restart = true;
- break;
-
- case MIDIRequest::Quit:
- delete request;
- pthread_exit_pbd (0);
- /*NOTREACHED*/
- break;
-
- default:
- break;
- }
-
-
- delete request;
- }
-
- }
-
- if (restart) {
- continue;
- }
-
- /* now read the rest of the ports */
-
- for (int p = 1; p < nfds; ++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) {
- fds_ready++;
- ports[p]->parse ();
- }
- }
-
- /* timeout driven */
-
- if (fds_ready < 2 && timeout != -1) {
-
- 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;
- }
- }
- }
-}
projects / ardour.git / blobdiff