using namespace MIDI;
-Channel::Channel (byte channelnum, Port &p) : _port (p)
+Channel::Channel (byte channelnum, PortBase &p)
+ : _port (p)
{
_channel_number = channelnum;
class Channel : public PBD::ScopedConnectionList {
public:
- Channel (byte channel_number, Port &);
+ Channel (byte channel_number, PortBase &);
- Port &midi_port() { return _port; }
+ PortBase &midi_port() { return _port; }
byte channel() { return _channel_number; }
byte program() { return _program_number; }
byte bank() { return _bank_number; }
}
protected:
- friend class Port;
+ friend class PortBase;
void connect_signals ();
private:
- Port & _port;
+ PortBase& _port;
/* Current channel values */
byte _channel_number;
namespace MIDI {
-class Port;
+class PortBase;
class Parser;
typedef PBD::Signal1<void,Parser&> ZeroByteSignal;
class Parser {
public:
- Parser (Port &p);
+ Parser (PortBase &p);
~Parser ();
/* sets the time that will be reported for any MTC or MIDI Clock
const char *midi_event_type_name (MIDI::eventType);
void trace (bool onoff, std::ostream *o, const std::string &prefix = "");
bool tracing() { return trace_stream != 0; }
- Port &port() { return _port; }
+ PortBase &port() { return _port; }
void set_offline (bool);
bool offline() const { return _offline; }
void reset_mtc_state ();
private:
- Port &_port;
+ PortBase&_port;
/* tracing */
-
+
std::ostream *trace_stream;
std::string trace_prefix;
void trace_event (Parser &p, byte *msg, size_t len);
#include "midi++/types.h"
#include "midi++/parser.h"
+#include "midi++/port_base.h"
namespace MIDI {
class Channel;
class PortRequest;
-class Port {
+class Port : public PortBase {
public:
- enum Flags {
- IsInput = JackPortIsInput,
- IsOutput = JackPortIsOutput,
- };
-
- Port (std::string const &, Flags, jack_client_t *);
+ Port (std::string const &, PortBase::Flags, jack_client_t *);
Port (const XMLNode&, jack_client_t *);
~Port ();
XMLNode& get_state () const;
void set_state (const XMLNode&);
- // FIXME: make Manager a friend of port so these can be hidden?
-
- /* Only for use by MidiManager. Don't ever call this. */
void cycle_start (pframes_t nframes);
- /* Only for use by MidiManager. Don't ever call this. */
void cycle_end ();
- /** Write a message to port.
- * @param msg Raw MIDI message to send
- * @param msglen Size of @a msg
- * @param timestamp Time stamp in frames of this message (relative to cycle start)
- * @return number of bytes successfully written
- */
+ void parse (framecnt_t timestamp);
int write (byte *msg, size_t msglen, timestamp_t timestamp);
-
- /** Read raw bytes from a port.
- * @param buf memory to store read data in
- * @param bufsize size of @a buf
- * @return number of bytes successfully read, negative if error
- */
int read (byte *buf, size_t bufsize);
-
- void parse (framecnt_t timestamp);
-
- /** Write a message to port.
- * @return true on success.
- * FIXME: describe semantics here
- */
- int midimsg (byte *msg, size_t len, timestamp_t timestamp) {
- return !(write (msg, len, timestamp) == (int) len);
- }
-
- bool clock (timestamp_t timestamp);
-
- /* select(2)/poll(2)-based I/O */
-
- /** Get the file descriptor for port.
- * @return File descriptor, or -1 if not selectable.
- */
- int selectable () const {
- return xthread.selectable();
- }
-
- Channel *channel (channel_t chn) {
- return _channel[chn&0x7F];
- }
-
- Parser* parser () {
- return _parser;
- }
-
- const char *name () const { return _tagname.c_str(); }
- bool ok () const { return _ok; }
-
- bool centrally_parsed() const { return _centrally_parsed; }
- void set_centrally_parsed(bool yn) { _centrally_parsed = yn; }
-
- bool receives_input () const {
- return _flags == IsInput;
- }
-
- bool sends_output () const {
- return _flags == IsOutput;
- }
-
- struct Descriptor {
- std::string tag;
- Flags flags;
-
- Descriptor (const XMLNode&);
- XMLNode& get_state();
- };
+ void drain (int check_interval_usecs);
+ int selectable () const { return xthread.selectable(); }
pframes_t nframes_this_cycle() const { return _nframes_this_cycle; }
static pthread_t get_process_thread () { return _process_thread; }
static bool is_process_thread();
- static std::string state_node_name;
-
static PBD::Signal0<void> MakeConnections;
static PBD::Signal0<void> JackHalted;
private:
- bool _ok;
bool _currently_in_cycle;
pframes_t _nframes_this_cycle;
- std::string _tagname;
- size_t _number;
- Channel* _channel[16];
- Parser* _parser;
jack_client_t* _jack_client;
jack_port_t* _jack_port;
- framecnt_t _last_read_index;
timestamp_t _last_write_timestamp;
RingBuffer< Evoral::Event<double> > output_fifo;
Evoral::EventRingBuffer<timestamp_t> input_fifo;
Glib::Mutex output_fifo_lock;
CrossThreadChannel xthread;
- Flags _flags;
- bool _centrally_parsed;
-
int create_port ();
};
-struct PortSet {
- PortSet (std::string str) : owner (str) { }
-
- std::string owner;
- std::list<XMLNode> ports;
-};
-
-std::ostream & operator << ( std::ostream & os, const Port & port );
-
} // namespace MIDI
#endif // __libmidi_port_h__
--- /dev/null
+/*
+ Copyright (C) 1998-2010 Paul Barton-Davis
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __libmidi_port_base_h__
+#define __libmidi_port_base_h__
+
+#include <string>
+#include <iostream>
+
+#include <jack/types.h>
+
+#include "pbd/xml++.h"
+#include "pbd/crossthread.h"
+#include "pbd/signals.h"
+#include "pbd/ringbuffer.h"
+
+#include "evoral/Event.hpp"
+#include "evoral/EventRingBuffer.hpp"
+
+#include "midi++/types.h"
+#include "midi++/parser.h"
+
+namespace MIDI {
+
+class Channel;
+class PortRequest;
+
+class PortBase {
+ public:
+ enum Flags {
+ IsInput = JackPortIsInput,
+ IsOutput = JackPortIsOutput,
+ };
+
+ PortBase (std::string const &, Flags);
+ PortBase (const XMLNode&);
+ virtual ~PortBase ();
+
+ XMLNode& get_state () const;
+ void set_state (const XMLNode&);
+
+ // FIXME: make Manager a friend of port so these can be hidden?
+
+ /* Only for use by MidiManager. Don't ever call this. */
+ virtual void cycle_start (pframes_t nframes) {}
+ /* Only for use by MidiManager. Don't ever call this. */
+ virtual void cycle_end () {}
+
+ /** Write a message to port.
+ * @param msg Raw MIDI message to send
+ * @param msglen Size of @a msg
+ * @param timestamp Time stamp in frames of this message (relative to cycle start)
+ * @return number of bytes successfully written
+ */
+ virtual int write (byte *msg, size_t msglen, timestamp_t timestamp) = 0;
+
+ /** Read raw bytes from a port.
+ * @param buf memory to store read data in
+ * @param bufsize size of @a buf
+ * @return number of bytes successfully read, negative if error
+ */
+ virtual int read (byte *buf, size_t bufsize) = 0;
+
+ /** block until the output FIFO used by non-process threads
+ * is empty, checking every @a check_interval_usecs usecs
+ * for current status. Not to be called by a thread that
+ * executes any part of a JACK process callback (will
+ * simply return immediately in that situation).
+ */
+ virtual void drain (int check_interval_usecs) {}
+
+ /** Write a message to port.
+ * @return true on success.
+ * FIXME: describe semantics here
+ */
+ int midimsg (byte *msg, size_t len, timestamp_t timestamp) {
+ return !(write (msg, len, timestamp) == (int) len);
+ }
+
+ bool clock (timestamp_t timestamp);
+
+ /* select(2)/poll(2)-based I/O */
+
+ /** Get the file descriptor for port.
+ * @return File descriptor, or -1 if not selectable.
+ */
+ virtual int selectable () const = 0;
+
+ Channel *channel (channel_t chn) {
+ return _channel[chn&0x7F];
+ }
+
+ Parser* parser () {
+ return _parser;
+ }
+
+ const char *name () const { return _tagname.c_str(); }
+ bool ok () const { return _ok; }
+
+ virtual bool centrally_parsed() const;
+ void set_centrally_parsed (bool yn) { _centrally_parsed = yn; }
+
+ bool receives_input () const {
+ return _flags == IsInput;
+ }
+
+ bool sends_output () const {
+ return _flags == IsOutput;
+ }
+
+ struct Descriptor {
+ std::string tag;
+ Flags flags;
+
+ Descriptor (const XMLNode&);
+ XMLNode& get_state();
+ };
+
+ static std::string state_node_name;
+
+ protected:
+ bool _ok;
+ std::string _tagname;
+ Channel* _channel[16];
+ Parser* _parser;
+ Flags _flags;
+ bool _centrally_parsed;
+
+ virtual void init (std::string const &, Flags);
+};
+
+struct PortSet {
+ PortSet (std::string str) : owner (str) { }
+
+ std::string owner;
+ std::list<XMLNode> ports;
+};
+
+std::ostream & operator << (std::ostream& os, const PortBase& port);
+
+} // namespace MIDI
+
+#endif // __libmidi_port_base_h__
#include "midi++/types.h"
#include "midi++/parser.h"
-#include "midi++/port.h"
+#include "midi++/port_base.h"
#include "midi++/mmc.h"
#include "pbd/transmitter.h"
}
}
-Parser::Parser (Port &p)
- : _port (p)
-
+Parser::Parser (PortBase &p)
+ : _port(p)
{
trace_stream = 0;
trace_prefix = "";
pthread_t Port::_process_thread;
Signal0<void> Port::JackHalted;
Signal0<void> Port::MakeConnections;
-string Port::state_node_name = "MIDI-port";
Port::Port (string const & name, Flags flags, jack_client_t* jack_client)
- : _currently_in_cycle (false)
+ : PortBase (name, flags)
+ , _currently_in_cycle (false)
, _nframes_this_cycle (0)
, _jack_client (jack_client)
, _jack_port (0)
- , _last_read_index (0)
, output_fifo (512)
, input_fifo (1024)
, xthread (true)
- , _flags (flags)
- , _centrally_parsed (true)
{
assert (jack_client);
init (name, flags);
}
Port::Port (const XMLNode& node, jack_client_t* jack_client)
- : _currently_in_cycle (false)
+ : PortBase (node)
+ , _currently_in_cycle (false)
, _nframes_this_cycle (0)
, _jack_client (jack_client)
, _jack_port (0)
- , _last_read_index (0)
, output_fifo (512)
, input_fifo (1024)
, xthread (true)
- , _centrally_parsed (true)
{
assert (jack_client);
void
Port::init (string const & name, Flags flags)
{
- _ok = false; /* derived class must set to true if constructor
- succeeds.
- */
-
- _parser = 0;
-
- _tagname = name;
- _flags = flags;
-
- _parser = new Parser (*this);
-
- for (int i = 0; i < 16; i++) {
- _channel[i] = new Channel (i, *this);
- _channel[i]->connect_signals ();
- }
+ PortBase::init (name, flags);
if (!create_port ()) {
_ok = true;
}
}
-/** Send a clock tick message.
- * \return true on success.
- */
-bool
-Port::clock (timestamp_t timestamp)
-{
- static byte clockmsg = 0xf8;
-
- if (sends_output()) {
- return midimsg (&clockmsg, 1, timestamp);
- }
-
- return false;
-}
-
void
Port::cycle_start (pframes_t nframes)
{
_nframes_this_cycle = nframes;
assert(_nframes_this_cycle == nframes);
- _last_read_index = 0;
- _last_write_timestamp = 0;
if (sends_output()) {
void *buffer = jack_port_get_buffer (_jack_port, nframes);
_nframes_this_cycle = 0;
}
-std::ostream & MIDI::operator << ( std::ostream & os, const MIDI::Port & port )
+void
+Port::jack_halted ()
{
- using namespace std;
- os << "MIDI::Port { ";
- os << "name: " << port.name();
- os << "; ";
- os << "ok: " << port.ok();
- os << "; ";
- os << " }";
- return os;
+ _jack_client = 0;
+ _jack_port = 0;
}
-Port::Descriptor::Descriptor (const XMLNode& node)
+void
+Port::drain (int check_interval_usecs)
{
- const XMLProperty *prop;
- bool have_tag = false;
- bool have_mode = false;
+ RingBuffer< Evoral::Event<double> >::rw_vector vec = { { 0, 0 }, { 0, 0} };
- if ((prop = node.property ("tag")) != 0) {
- tag = prop->value();
- have_tag = true;
+ if (is_process_thread()) {
+ error << "Process thread called MIDI::Port::drain() - this cannot work" << endmsg;
+ return;
}
- if ((prop = node.property ("mode")) != 0) {
-
- if (strings_equal_ignore_case (prop->value(), "output") || strings_equal_ignore_case (prop->value(), "out")) {
- flags = IsOutput;
- } else if (strings_equal_ignore_case (prop->value(), "input") || strings_equal_ignore_case (prop->value(), "in")) {
- flags = IsInput;
+ while (1) {
+ output_fifo.get_write_vector (&vec);
+ if (vec.len[0] + vec.len[1] >= output_fifo.bufsize() - 1) {
+ break;
}
-
- have_mode = true;
+ usleep (check_interval_usecs);
}
-
- if (!have_tag || !have_mode) {
- throw failed_constructor();
- }
-}
-
-void
-Port::jack_halted ()
-{
- _jack_client = 0;
- _jack_port = 0;
}
int
ret = msglen;
+ usleep (5000);
+
} else {
// XXX This had to be temporarily commented out to make export work again
output_fifo.get_read_vector (&vec);
if (vec.len[0] + vec.len[1]) {
- // cerr << "Flush " << vec.len[0] + vec.len[1] << " events from non-process FIFO\n";
+ cerr << "Flush " << vec.len[0] + vec.len[1] << " events from non-process FIFO\n";
}
if (vec.len[0]) {
XMLNode&
Port::get_state () const
{
- XMLNode* root = new XMLNode (state_node_name);
- root->add_property ("tag", _tagname);
-
- if (_flags == IsInput) {
- root->add_property ("mode", "input");
- } else {
- root->add_property ("mode", "output");
- }
+ XMLNode& root = PortBase::get_state ();
#if 0
byte device_inquiry[6];
}
if (!connection_string.empty()) {
- root->add_property ("connections", connection_string);
+ root.add_property ("connections", connection_string);
}
} else {
if (!_connections.empty()) {
- root->add_property ("connections", _connections);
+ root.add_property ("connections", _connections);
}
}
- return *root;
+ return root;
}
void
{
const XMLProperty* prop;
- if ((prop = node.property ("tag")) == 0 || prop->value() != _tagname) {
- return;
- }
+ PortBase::set_state (node);
if ((prop = node.property ("connections")) != 0 && _jack_port) {
_connections = prop->value ();
--- /dev/null
+/*
+ Copyright (C) 1998 Paul Barton-Davis
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ $Id: port.cc 11871 2012-04-10 16:27:01Z paul $
+*/
+#include <iostream>
+#include <cstdio>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <jack/jack.h>
+#include <jack/midiport.h>
+
+#include "pbd/xml++.h"
+#include "pbd/error.h"
+#include "pbd/failed_constructor.h"
+#include "pbd/convert.h"
+#include "pbd/strsplit.h"
+#include "pbd/stacktrace.h"
+
+#include "midi++/types.h"
+#include "midi++/port_base.h"
+#include "midi++/channel.h"
+
+using namespace MIDI;
+using namespace std;
+using namespace PBD;
+
+string PortBase::state_node_name = "MIDI-port";
+
+PortBase::PortBase (string const & name, Flags flags)
+ : _flags (flags)
+ , _centrally_parsed (true)
+{
+ init (name, flags);
+}
+
+PortBase::PortBase (const XMLNode& node)
+ : _centrally_parsed (true)
+{
+
+ Descriptor desc (node);
+
+ init (desc.tag, desc.flags);
+
+ set_state (node);
+}
+
+void
+PortBase::init (string const & name, Flags flags)
+{
+ _ok = false; /* derived class must set to true if constructor
+ succeeds.
+ */
+
+ _parser = 0;
+
+ _tagname = name;
+ _flags = flags;
+
+ _parser = new Parser (*this);
+
+ for (int i = 0; i < 16; i++) {
+ _channel[i] = new Channel (i, *this);
+ _channel[i]->connect_signals ();
+ }
+}
+
+PortBase::~PortBase ()
+{
+ for (int i = 0; i < 16; i++) {
+ delete _channel[i];
+ }
+}
+
+/** Send a clock tick message.
+ * \return true on success.
+ */
+bool
+PortBase::clock (timestamp_t timestamp)
+{
+ static byte clockmsg = 0xf8;
+
+ if (sends_output()) {
+ return midimsg (&clockmsg, 1, timestamp);
+ }
+
+ return false;
+}
+
+std::ostream & MIDI::operator << ( std::ostream & os, const MIDI::PortBase & port )
+{
+ using namespace std;
+ os << "MIDI::Port { ";
+ os << "name: " << port.name();
+ os << "; ";
+ os << "ok: " << port.ok();
+ os << "; ";
+ os << " }";
+ return os;
+}
+
+PortBase::Descriptor::Descriptor (const XMLNode& node)
+{
+ const XMLProperty *prop;
+ bool have_tag = false;
+ bool have_mode = false;
+
+ if ((prop = node.property ("tag")) != 0) {
+ tag = prop->value();
+ have_tag = true;
+ }
+
+ if ((prop = node.property ("mode")) != 0) {
+
+ if (strings_equal_ignore_case (prop->value(), "output") || strings_equal_ignore_case (prop->value(), "out")) {
+ flags = IsOutput;
+ } else if (strings_equal_ignore_case (prop->value(), "input") || strings_equal_ignore_case (prop->value(), "in")) {
+ flags = IsInput;
+ }
+
+ have_mode = true;
+ }
+
+ if (!have_tag || !have_mode) {
+ throw failed_constructor();
+ }
+}
+
+XMLNode&
+PortBase::get_state () const
+{
+ XMLNode* root = new XMLNode (state_node_name);
+ root->add_property ("tag", _tagname);
+
+ if (_flags == IsInput) {
+ root->add_property ("mode", "input");
+ } else {
+ root->add_property ("mode", "output");
+ }
+
+#if 0
+ byte device_inquiry[6];
+
+ device_inquiry[0] = 0xf0;
+ device_inquiry[0] = 0x7e;
+ device_inquiry[0] = 0x7f;
+ device_inquiry[0] = 0x06;
+ device_inquiry[0] = 0x02;
+ device_inquiry[0] = 0xf7;
+
+ write (device_inquiry, sizeof (device_inquiry), 0);
+#endif
+
+ return *root;
+}
+
+void
+PortBase::set_state (const XMLNode& node)
+{
+ const XMLProperty* prop;
+
+ if ((prop = node.property ("tag")) == 0 || prop->value() != _tagname) {
+ return;
+ }
+}
+
+bool
+PortBase::centrally_parsed() const
+{
+ return _centrally_parsed;
+}
channel.cc
manager.cc
parser.cc
+ port_base.cc
port.cc
midnam_patch.cc
mmc.cc
projects / ardour.git / commitdiff