/*
 *  Python binding for the ALSA library - sequencer
 *  Copyright (c) 2008 by Aldrin Martoq <amartoq@dcc.uchile.cl>
 *
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Lesser General Public License as
 *   published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include "common.h"
#include <alsa/asoundlib.h>
#include <stdio.h>

/*
 *
 */

#if 0
#define ddebug(x, args...) fprintf(stderr, x "\n",##args);
#else
#define ddebug(x, args...)
#endif

/* frees only if pointer is not NULL. */
#define FREECHECKED(name, pointer)		\
  if (pointer != NULL) {			\
    free(pointer);				\
    pointer = NULL;				\
  }

/* raises SequencerError with the specified string */
#define RAISESTR(str, args...)			\
  PyErr_Format(SequencerError, str,##args);

/* raises SequencerError with the specified string and appends
   the alsaaudio error as string */
#define RAISESND(ret, str, args...)					\
  PyErr_Format(SequencerError, str ": %s",##args, snd_strerror(ret));

/* the C variable of a constant dict */
#define TDICT(subtype) _dictPYALSASEQ_CONST_##subtype

/* defines constant dict by type */
#define TCONSTDICT(subtype)			\
  static PyObject * TDICT(subtype);

/* adds constant dict to module */
#define TCONSTDICTADD(module, subtype, name)				\
  _dictPYALSASEQ_CONST_##subtype = PyDict_New();			\
  if (TDICT(subtype) == NULL) {						\
    return MOD_ERROR_VAL;						\
  }									\
  if (PyModule_AddObject(module, name, TDICT(subtype)) < 0) {		\
    return MOD_ERROR_VAL;						\
  }

/* creates a typed constant and add it to the module and dictionary */
#define TCONSTADD(module, subtype, name) {				\
    PyObject *tmp =							\
      Constant_create(#name, SND_##name);		\
    if (tmp == NULL) {							\
      return MOD_ERROR_VAL;						\
    }									\
    if (PyModule_AddObject(module, #name, tmp) < 0) {			\
      return MOD_ERROR_VAL;						\
    }									\
    PyObject *key = PyInt_FromLong(SND_##name);				\
    PyDict_SetItem(TDICT(subtype), key, tmp);				\
    Py_DECREF(key);							\
  }

#define TCONSTRETURN(subtype, value) {			\
    PyObject *key = PyInt_FromLong(value);		\
    ConstantObject *constantObject = (ConstantObject *)	\
      PyDict_GetItem(TDICT(subtype), key);		\
    if (constantObject == NULL) {			\
      return key;					\
    } else {						\
      Py_DECREF(key);					\
      Py_INCREF(constantObject);			\
      return (PyObject *)constantObject;		\
    }							\
  }

#define TCONSTASSIGN(subtype, value, param) {		\
    PyObject *key = PyInt_FromLong(value);		\
    ConstantObject *constantObject = (ConstantObject *) \
      PyDict_GetItem(TDICT(subtype), key);		\
    if (constantObject == NULL) {			\
      param = key;					\
    } else {						\
      Py_DECREF(key);					\
      Py_INCREF(constantObject);			\
      param = (PyObject *)constantObject;		\
    }							\
  }

/* sets the object into the dict */
#define SETDICTOBJ(name, object)		\
  PyDict_SetItemString(dict, name, object)

/* sets a integer into the dict */
#define SETDICTINT(name, value) {		\
    PyObject *val = PyInt_FromLong(value);	\
    PyDict_SetItemString(dict, name, val);	\
    Py_DECREF(val);				\
  }

/* sets note info dict (used by SeqEvent_get_data) */
#define SETDICT_NOTE3 {					\
    snd_seq_ev_note_t *data = &(event->data.note);	\
    SETDICTINT("note.channel", data->channel);		\
    SETDICTINT("note.note", data->note);		\
    SETDICTINT("note.velocity", data->velocity);	\
  }

/* sets note info dict (used by SeqEvent_get_data) */
#define SETDICT_NOTE5 {						\
    snd_seq_ev_note_t *data = &(event->data.note);		\
    SETDICTINT("note.channel", data->channel);			\
    SETDICTINT("note.note", data->note);			\
    SETDICTINT("note.velocity", data->velocity);		\
    SETDICTINT("note.off_velocity", data->off_velocity);	\
    SETDICTINT("note.duration", data->duration);		\
  }



/* sets control info dict (used by SeqEvent_get_data) */
#define SETDICT_CTRL1 {					\
    snd_seq_ev_ctrl_t *data = &(event->data.control);	\
    SETDICTINT("control.value", data->value);		\
  }

/* sets control info dict (used by SeqEvent_get_data) */
#define SETDICT_CTRL2 {					\
    snd_seq_ev_ctrl_t *data = &(event->data.control);	\
    SETDICTINT("control.channel", data->channel);	\
    SETDICTINT("control.value", data->value);		\
  }

/* sets control info dict (used by SeqEvent_get_data) */
#define SETDICT_CTRL3 {					\
    snd_seq_ev_ctrl_t *data = &(event->data.control);	\
    SETDICTINT("control.channel", data->channel);	\
    SETDICTINT("control.param", data->param);		\
    SETDICTINT("control.value", data->value);		\
  }

/* sets queue info dict (used by SeqEvent_get_data) */
#define SETDICT_QUEU1 {						\
    snd_seq_ev_queue_control_t *data = &(event->data.queue);	\
    SETDICTINT("queue.queue", data->queue);			\
  }

/* sets addr info dict (used by SeqEvent_get_data) */
#define SETDICT_ADDR1 {				\
    snd_seq_addr_t *data = &(event->data.addr); \
    SETDICTINT("addr.client", data->client);	\
  }

/* sets addr info dict (used by SeqEvent_get_data) */
#define SETDICT_ADDR2 {				\
    snd_seq_addr_t *data = &(event->data.addr); \
    SETDICTINT("addr.client", data->client);	\
    SETDICTINT("addr.port", data->port);	\
  }

/* sets connect info dict (used by SeqEvent_get_data) */
#define SETDICT_CONN4 {						\
    snd_seq_connect_t *data = &(event->data.connect);		\
    SETDICTINT("connect.sender.client", data->sender.client);	\
    SETDICTINT("connect.sender.port", data->sender.port);	\
    SETDICTINT("connect.dest.client", data->dest.client);	\
    SETDICTINT("connect.dest.port", data->dest.port);		\
  }

/* sets result info dict (used by SeqEvent_get_data) */
#define SETDICT_RESU2 {					\
    snd_seq_result_t *data = &(event->data.result);	\
    SETDICTINT("result.event", data->event);		\
    SETDICTINT("result.result", data->result);		\
  }

/* sets ext info dict (used by SeqEvent_get_data) */
#define SETDICT_EXT {					\
    snd_seq_ev_ext_t *data = &(event->data.ext);	\
    PyObject *list = PyList_New(data->len);		\
    unsigned i = 0;					\
    unsigned char *t = (unsigned char *) data->ptr;	\
    for (i = 0; i < data->len; i++) {			\
      PyList_SetItem(list, i, PyInt_FromLong(t[i]));	\
    }							\
    SETDICTOBJ("ext", list);				\
    Py_DECREF(list);					\
  }

/* gets integer from python param */
#define GETDICTINT(name, param) {				\
    PyObject *value = PyDict_GetItemString(dict, name);		\
    if (value != NULL) {					\
      long val;                                                 \
      if (get_long(value, &val))                                \
        return NULL;                                            \
      param = val;                                              \
    }								\
  }

/* gets float from python param */
#define GETDICTFLOAT(name, param1, param2) {			\
    PyObject *value = PyDict_GetItemString(dict, name);		\
    if (value != NULL) {					\
      if (PyInt_Check(value)) {					\
	param2 = 0;						\
	param1 = PyInt_AsLong(value);				\
      } else if (PyFloat_Check(value)) {			\
	double d = PyFloat_AsDouble(value);			\
	unsigned int i = d;					\
	d -= i;							\
	param2 = d * 1000000;					\
	param1 = i;						\
      } else {							\
	PyErr_SetString(PyExc_TypeError,			\
			name " must be a integer or float");	\
	return NULL;						\
      }								\
    }								\
  }

/* gets ext data from python list */
#define GETDICTEXT(name) {						\
    PyObject *list = PyDict_GetItemString(dict, name);			\
    if (list != NULL) {							\
      if (!PyList_Check(list)) {					\
	PyErr_SetString(PyExc_TypeError,				\
			name " must be a list of integers");		\
	return NULL;							\
      }									\
      FREECHECKED("buff", self->buff);					\
      int len = PyList_Size(list);					\
      self->event->data.ext.len = len;					\
      if (len > 0) {							\
	self->buff = malloc(len);					\
	if (self->buff == NULL) {					\
	  PyErr_SetString(PyExc_TypeError,				\
			name " no memory");				\
	  self->event->data.ext.len = 0;				\
	  return NULL;							\
	}								\
	int i;								\
	long val;							\
	for (i = 0; i < len; i++) {					\
	  PyObject *item = PyList_GetItem(list, i);			\
	  if (get_long1(item, &val)) {					\
	    PyErr_SetString(PyExc_TypeError,				\
			    name " must be a list of integers");	\
	    self->event->data.ext.len = 0;				\
	    free(self->buff);                   			\
	    self->buff = NULL;                   			\
	    return NULL;						\
	  }								\
	  self->buff[i] = val;						\
	}								\
	self->event->data.ext.ptr = self->buff;				\
      }									\
    }									\
  }






//////////////////////////////////////////////////////////////////////////////
// alsaseq.Constant implementation
//////////////////////////////////////////////////////////////////////////////

// constants dictionaries

TCONSTDICT(STREAMS);
TCONSTDICT(MODE);
TCONSTDICT(QUEUE);
TCONSTDICT(CLIENT_TYPE);
TCONSTDICT(PORT_CAP);
TCONSTDICT(PORT_TYPE);
TCONSTDICT(EVENT_TYPE);
TCONSTDICT(EVENT_TIMESTAMP);
TCONSTDICT(EVENT_TIMEMODE);
TCONSTDICT(ADDR_CLIENT);
TCONSTDICT(ADDR_PORT);


/** alsaseq.Constant __doc__ */
PyDoc_STRVAR(Constant__doc__,
  "Constant() -> Constant object\n"
  "\n"
  "Represents one of the many integer constants from the\n"
  "libasound sequencer API.\n"
  "\n"
  "This class serves the following purposes:\n"
  "  a. wrap the SND_SEQ* constants to a python int;\n"
  "  b. provide a string representation of the constant;\n"
  "\n"
  "For a), this class is a subclass of the python int. Example:\n"
  "  >>> import alsaseq\n"
  "  >>> print alsaseq.SEQ_EVENT_NOTE\n"
  "  5\n"
  "  >>> event = alsaseq.SeqEvent(alsaseq.SEQ_EVENT_NOTE)\n"
  "  >>> print event.queue\n"
  "  253\n"
  "  >>> print event.dest\n"
  "  (0, 0)\n"
  "\n"
  "For b), you can get the name of the constant by calling the appropriate\n"
  "method (__str__ or __repr__). Example:\n"
  "  >>> print str(event.queue), repr(event.queue)\n"
  "  SEQ_QUEUE_DIRECT SEQ_QUEUE_DIRECT(0xfd)\n"
  "  >>> print str(event.dest)\n"
  "  (SEQ_CLIENT_SYSTEM(0x0), SEQ_PORT_SYSTEM_TIMER(0x0))\n"
  "\n"
  "This class implements some of the bitwise operations from the\n"
  "Python number protocol."
);

/** alsaseq.Constant additional fields */
/* This follows the variable length portion of the Long type */
typedef struct {
  /* name of constant */
  const char *name;
} ConstantExtraFields;

/** alsaseq.Constant object structure type */
typedef struct {
#if PY_MAJOR_VERSION < 3
  PyIntObject base;
#else
  /* NOTE: this only works if the value fits in one digit */
  PyLongObject base;
#endif
  /* This field is actually offset by the base type's variable size portion */
  ConstantExtraFields extra;
} ConstantObject;

#if PY_MAJOR_VERSION < 3
# define CONST_VALUE(x) PyInt_AsLong((PyObject *)x)
#else
# define CONST_VALUE(x) PyLong_AsLong((PyObject *)x)
#endif
# define CONST_EXTRA(x) (&(x->extra))

/** alsaseq.Constant type (initialized later...) */
static PyTypeObject ConstantType;

/** alsaseq.Constant internal create */
static PyObject *
Constant_create(const char *name, long value) {
#if PY_MAJOR_VERSION < 3
  PyObject *val = PyInt_FromLong(value);
#else
  PyObject *val = PyLong_FromLong(value);
#endif

  PyObject *args = PyTuple_Pack(1, val);
  Py_DECREF(val);
  
#if PY_MAJOR_VERSION < 3
  ConstantObject *self = (ConstantObject *)PyInt_Type.tp_new(&ConstantType, args, NULL);
#else
  ConstantObject *self = (ConstantObject *)PyLong_Type.tp_new(&ConstantType, args, NULL);
#endif
  Py_DECREF(args);

  if (self == NULL) {
    return NULL;
  }

  CONST_EXTRA(self)->name = name;

  return (PyObject *)self;
}

/** alsaseq.Constant tp_repr */
static PyObject *
Constant_repr(ConstantObject *self) {
  return PyUnicode_FromFormat("%s(0x%x)",
			     CONST_EXTRA(self)->name,
			     (unsigned int)CONST_VALUE(self));
}

/** alsaseq.Constant tp_str */
static PyObject *
Constant_str(ConstantObject *self) {
  return PyUnicode_FromFormat("%s",
			     CONST_EXTRA(self)->name);
}

/** alsaseq.Constant type */
static PyTypeObject ConstantType = {
  PyVarObject_HEAD_INIT(NULL, 0)
  tp_name: "alsaseq.Constant",
#if PY_MAJOR_VERSION < 3
  tp_base: &PyInt_Type,
#else
  tp_base: &PyLong_Type,
#endif
  tp_basicsize: sizeof(ConstantObject) + sizeof(ConstantExtraFields),
  tp_flags:
#if PY_MAJOR_VERSION < 3
  Py_TPFLAGS_HAVE_GETCHARBUFFER
  | Py_TPFLAGS_HAVE_CLASS
  | Py_TPFLAGS_CHECKTYPES,
#else
  0,
#endif
  tp_doc: Constant__doc__,
  tp_free: PyObject_Del,
  tp_str: (reprfunc)Constant_str,
  tp_repr: (reprfunc)Constant_repr
};





//////////////////////////////////////////////////////////////////////////////
// alsaseq.SequencerError implementation
//////////////////////////////////////////////////////////////////////////////

/** alsaseq.SequencerError instance (initialized in initalsaseq) */
static PyObject *SequencerError;





//////////////////////////////////////////////////////////////////////////////
// alsaseq.SeqEvent implementation
//////////////////////////////////////////////////////////////////////////////

/** alsaseq.SeqEvent __doc__ */
PyDoc_STRVAR(SeqEvent__doc__,
  "SeqEvent(type[, timestamp[,timemode]]) -> SeqEvent object\n"
  "\n"
  "Creates an Alsa Sequencer Event object. The type must be one of the\n"
  "alsaseq.SEQ_EVENT_* constants. The timestamp specifies if tick (midi)\n"
  "or real time is used, must be alsaseq.SEQ_TIME_STAMP_TICK or\n"
  "alsaseq.SEQ_TIME_STAMP_REAL. The timemode specifies if the time will\n"
  "be absolute or relative, must be alsaseq.SEQ_TIME_MODE_ABS or\n"
  "alsaseq.SEQ_TIME_MODE_REL.\n"
  "\n"
  "The timestamp and timemode defaults to SEQ_TIME_STAMP_TICK and\n"
  "SEQ_TIME_MODE_ABS when they are not specified.\n"
  "\n"
  "SeqEvent objects are received or sent using a Sequencer object. The\n"
  "data of the event can be set or retrieved using the set_data() or\n"
  "get_data() methods; both use a dictionary. The rest of properties of\n"
  "a SeqEvent can be accesed and changed using the SeqEvent attributes.\n"
  "\n"
  "The attributes and defaults values are:\n"
  "type -- event type.\n"
  "timestamp -- tick(midi) or real(nanoseconds). Default: SEQ_TIME_STAMP_TICK.\n"
  "timemode -- relative or absolute. Default: SEQ_TIME_MODE_ABS.\n"
  "queue -- queue id. Default: SEQ_QUEUE_DIRECT\n"
  "time -- time of this event. Default: 0.\n"
  "source -- source address tuple (client,port). Default: (0, 0).\n"
  "dest -- dest address tuple (client, port). Default: (0, 0).\n"
  "\n"
  "There are dictionaries available as attributes, that contains\n"
  "alsaseq.SEQ* constants that can be used for each attribute:\n"
  "_dtype -- event type constants.\n"
  "_dtimestamp -- event timestamp constants.\n"
  "_dtimemode -- event timemode constants.\n"
  "_dqueue -- queue id's.\n"
  "_dclient -- client address (for source an dest).\n"
  "_dport -- port address (for source an dest).\n"
);

/** alsaseq.SeqEvent object structure type */
typedef struct {
  PyObject_HEAD
  ;

  /* alsa event */
  snd_seq_event_t *event;

  /* pointer copied/created from/for variable length events */
  unsigned char *buff;
} SeqEventObject;

/** alsaseq.SeqEvent type (initialized later...) */
static PyTypeObject SeqEventType;

/** internal use: set type and update flags based on event type */
static int
_SeqEvent_set_type(SeqEventObject *self,
			      long type) {
  self->event->type = type;

  /* clean previous buff... */
  FREECHECKED("buff", self->buff);
  memset(&(self->event->data), '\0', sizeof(self->event->data));

  /* update flags */
  if (snd_seq_ev_is_variable_type(self->event)) {
    snd_seq_ev_set_variable(self->event, 0, NULL);
  } else if (snd_seq_ev_is_varusr_type(self->event)) {
    snd_seq_ev_set_varusr(self->event, 0, NULL);
  } else if (snd_seq_ev_is_fixed_type(self->event)) {
    snd_seq_ev_set_fixed(self->event);
  } else {
    PyErr_SetString(PyExc_ValueError,
		    "Invalid value for type; "
		    "use one of alsaseq.SEQ_EVENT_* constants.");
    return -1;
  }

  return 0;
}

/** internal use: set timestamp flag */
static int
_SeqEvent_set_timestamp(SeqEventObject *self,
				   long timestamp) {
  if (timestamp == SND_SEQ_TIME_STAMP_TICK) {
    self->event->flags &= ~(SND_SEQ_TIME_STAMP_MASK);
    self->event->flags |= SND_SEQ_TIME_STAMP_TICK;
  } else if (timestamp == SND_SEQ_TIME_STAMP_REAL) {
    self->event->flags &= ~(SND_SEQ_TIME_STAMP_MASK);
    self->event->flags |= SND_SEQ_TIME_STAMP_REAL;
  } else {
    PyErr_SetString(PyExc_ValueError,
		    "Invalid value for timestamp; "
		    "use alsaseq.SEQ_TIME_STAMP_TICK or "
		    "alsaseq.SEQ_TIME_STAMP_REAL.");
    return -1;
  }

  return 0;
}

/** internal use: set timemode flag */
static int
_SeqEvent_set_timemode(SeqEventObject *self,
				  long timemode) {
  if (timemode == SND_SEQ_TIME_MODE_ABS) {
    self->event->flags &= ~(SND_SEQ_TIME_MODE_MASK);
    self->event->flags |= SND_SEQ_TIME_MODE_ABS;
  } else if (timemode == SND_SEQ_TIME_MODE_REL) {
    self->event->flags &= ~(SND_SEQ_TIME_MODE_MASK);
    self->event->flags |= SND_SEQ_TIME_MODE_REL;
  } else {
    PyErr_SetString(PyExc_ValueError,
		    "Invalid value for timemode; "
		    "use alsaseq.SEQ_TIME_MODE_ABS or "
		    "alsaseq.SEQ_TIME_MODE_REL.");
    return -1;
  }

  return 0;
}


/** alsaseq.SeqEvent tp_init */
static int
SeqEvent_init(SeqEventObject *self,
			 PyObject *args,
			 PyObject *kwds) {
  int type = 0;
  int timestamp = SND_SEQ_TIME_STAMP_TICK;
  int timemode = SND_SEQ_TIME_MODE_ABS;
  char *kwlist [] = {"type", "timestamp", "timemode", NULL};

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "i|ii", kwlist, &type,
				   &timestamp, &timemode)) {
    return -1;
  }

  if (_SeqEvent_set_type(self, type) !=0 ) {
    return -1;
  }
  if (_SeqEvent_set_timestamp(self, timestamp) != 0) {
    return -1;
  }
  if (_SeqEvent_set_timemode(self, timemode) != 0) {
    return -1;
  }

  snd_seq_ev_set_direct(self->event);
  snd_seq_ev_set_subs(self->event);

  return 0;
}



/** internal use: create a alsaseq.SeqEvent from a snd_seq_event_t structure */
static PyObject *
SeqEvent_create(snd_seq_event_t *event) {
  SeqEventObject *self = PyObject_New(SeqEventObject, &SeqEventType);

  if (self == NULL) {
    return NULL;
  }

  self->event = malloc(sizeof(snd_seq_event_t));
  if (self->event == NULL) {
    PyObject_Del(self);
    return PyErr_NoMemory();
  }

  memcpy(self->event, event, sizeof(snd_seq_event_t));
  if (snd_seq_ev_is_variable_type(self->event)) {
    self->buff = malloc(self->event->data.ext.len);
    if (self->buff == NULL) {
      PyObject_Del(self);
      return PyErr_NoMemory();
    }
    memcpy(self->buff, self->event->data.ext.ptr, self->event->data.ext.len);
    self->event->data.ext.ptr = self->buff;
  } else {
    self->buff = NULL;
  }

  return (PyObject *) self;
}

/** alsaseq.SeqEvent tp_new */
static PyObject *
SeqEvent_new(PyTypeObject *type,
	     PyObject *args,
	     PyObject *kwds) {
  SeqEventObject *self;

  self = (SeqEventObject *)type->tp_alloc(type, 0);

  self->event = malloc(sizeof(snd_seq_event_t));
  if (self->event == NULL) {
    type->tp_free(self);
    return PyErr_NoMemory();
  }
  snd_seq_ev_clear(self->event);
  self->buff = NULL;

  return (PyObject *) self;
}

/** alsaseq.SeqEvent tp_dealloc */
static void
SeqEvent_dealloc(SeqEventObject *self) {
  FREECHECKED("event", self->event);
  FREECHECKED("buff", self->buff);
  Py_TYPE(self)->tp_free((PyObject*)self);
}

/** alsaseq.SeqEvent type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_type__doc__,
  "type -> Constant object\n"
  "\n"
  "The type of this alsaseq.SeqEvent; Use one of the\n"
  "alsaseq.SEQ_EVENT_* constants.\n\n"
  "Note: changing a SeqEvent type will *ERASE* AND *CLEAN* its data!!"
);

/** alsaseq.SeqEvent type attribute: tp_getset getter() */
static PyObject *
SeqEvent_get_type(SeqEventObject *self) {
  TCONSTRETURN(EVENT_TYPE, self->event->type);
}

/** alsaseq.SeqEvent type attribute: tp_getset setter() */
static int
SeqEvent_set_type(SeqEventObject *self,
		  PyObject *val) {
  long v;

  if (get_long(val, &v))
    return -1;

  return _SeqEvent_set_type(self, v);
}

/** alsaseq.SeqEvent tag attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_tag__doc__,
  "tag -> int\n"
  "\n"
  "The tag of this alsaseq.SeqEvent (range:0-255)."
);

/** alsaseq.SeqEvent tag attribute: tp_getset getter() */
static PyObject *
SeqEvent_get_tag(SeqEventObject *self) {
  return PyInt_FromLong(self->event->tag);
}

/** alsaseq.SeqEvent tag attribute: tp_getset setter() */
static int
SeqEvent_set_tag(SeqEventObject *self,
		 PyObject *val) {
  long tag;

  if (get_long(val, &tag))
    return -1;

  if (tag < 0 || tag > 255) {
    PyErr_Format(PyExc_ValueError,
		 "invalid value '%ld'; allowed range: 0 - 255",
		 tag);
    return -1;
  }
  self->event->tag = tag;
  return 0;
}

/** alsaseq.seqEvent timestamp attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_timestamp__doc__,
  "timestamp -> Constant object\n"
  "\n"
  "The time stamp flag of this alsaseq.SeqEvent;\n"
  "use alsaseq.SEQ_TIME_STAMP_TICK or alsaseq.SEQ_TIME_STAMP_REAL."
);

/** alsaseq.SeqEvent timestamp attribute: tp_getset getter() */
static PyObject *
SeqEvent_get_timestamp(SeqEventObject *self) {
  if (snd_seq_ev_is_tick(self->event)) {
    TCONSTRETURN(EVENT_TIMESTAMP, SND_SEQ_TIME_STAMP_TICK);
  } else if (snd_seq_ev_is_real(self->event)) {
    TCONSTRETURN(EVENT_TIMESTAMP, SND_SEQ_TIME_STAMP_REAL);
  }

  /* should never get here ... */
  return NULL;
}

/** alsaseq.SeqEvent timestamp attribute: tp_getset setter() */
static int
SeqEvent_set_timestamp(SeqEventObject *self,
		       PyObject *val) {
  long v;

  if (get_long(val, &v))
    return -1;

  return _SeqEvent_set_timestamp(self, v);
}

/** alsaseq.SeqEvent timemode attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_timemode__doc__,
  "timemode -> Constant object\n"
  "\n"
  "The time mode flag of this alsaseq.SeqEvent;\n"
  "use alsaseq.SEQ_TIME_MODE_ABS or alsaseq.SEQ_TIME_MODE_REL."
);

/** alsaseq.SeqEvent timemode attribute: tp_getset getter() */
static PyObject *
SeqEvent_get_timemode(SeqEventObject *self) {
  if (snd_seq_ev_is_abstime(self->event)) {
    TCONSTRETURN(EVENT_TIMEMODE, SND_SEQ_TIME_MODE_ABS);
  } else if (snd_seq_ev_is_reltime(self->event)) {
    TCONSTRETURN(EVENT_TIMEMODE, SND_SEQ_TIME_MODE_REL);
  }

  /* should never get here ... */
  return NULL;
}

/** alsaseq.SeqEvent timemode attribute: tp_getset setter() */
static int
SeqEvent_set_timemode(SeqEventObject *self,
		      PyObject *val) {
  long v;

  if (get_long(val, &v))
    return -1;

  return _SeqEvent_set_timemode(self, v);
}

/** alsaseq.SeqEvent queue attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_queue__doc__,
  "queue -> int\n"
  "\n"
  "The send queue id of this alsaseq.SeqEvent."
);

/** alsaseq.SeqEvent queue: tp_getset getter() */
static PyObject *
SeqEvent_get_queue(SeqEventObject *self) {
  TCONSTRETURN(QUEUE, self->event->queue);
}

/** alsaseq.SeqEvent queue attribute: tp_getset setter() */
static int
SeqEvent_set_queue(SeqEventObject *self,
		   PyObject *val) {
  long v;

  if (get_long(val, &v))
    return -1;

  self->event->queue = v;
  return 0;
}

/** alsaseq.SeqEvent time attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_time__doc__,
  "time -> int or float\n"
  "\n"
  "The send time of this alsaseq.SeqEvent.\n"
  "If the timestamp of the SeqEvent is SEQ_TIME_STAMP_TICK, an\n"
  "integer value is used which represents the midi tick time; \n"
  "if the timestamp is SEQ_TIME_STAMP_REAL, a float value is used\n"
  "which represents seconds the same way Python time module.\n"
);

/** alsaseq.SeqEvent time attribute: tp_getset getter() */
static PyObject *
SeqEvent_get_time(SeqEventObject *self) {
  if (snd_seq_ev_is_real(self->event)) {
    double time = self->event->time.time.tv_sec;
    time += self->event->time.time.tv_nsec / 1000000000.0;
    return PyFloat_FromDouble(time);
  } else if (snd_seq_ev_is_tick(self->event)) {
    long tick = self->event->time.tick;
    return PyInt_FromLong(tick);
  }

  /* should never get here... */
  return NULL;
}

/** alsaseq.SeqEvent time attribute: tp_getset setter() */
static int
SeqEvent_set_time(SeqEventObject *self,
		  PyObject *val) {
  long lval = 0;
  const int is_float = PyFloat_Check(val);
  const int is_int = is_float ? 0 : get_long1(val, &lval);

  if (!(is_int || is_float)) {
    PyErr_Format(PyExc_TypeError,
		 "integer or float expected");
    return -1;
  }

  if (snd_seq_ev_is_real(self->event)) {
    if (is_int) {
      double time = lval;
      self->event->time.time.tv_sec = time;
      self->event->time.time.tv_nsec = 0;
    } else {
      double time = PyFloat_AsDouble(val);
      self->event->time.time.tv_sec = (unsigned int)time;
      time -= self->event->time.time.tv_sec;
      self->event->time.time.tv_nsec = time * 1000000000;
    }
  } else if (snd_seq_ev_is_tick(self->event)) {
    if (is_int) {
      self->event->time.tick = lval;
    } else {
      self->event->time.tick = PyFloat_AsDouble(val);
    }
  } else {
    /* should never get here... */
    return -1;
  }
  return 0;
}

/** alsaseq.SeqEvent source attribute: __doc __ */
PyDoc_STRVAR(SeqEvent_source__doc__,
  "source -> tuple (client_id, port_id)\n"
  "\n"
  "Tuple representing the send source address of this alsaseq.SeqEvent.\n"
  "The tuple is (client_id, port_id). If the client or port id are known,\n"
  "the appropriate constant may be used, otherwise integers are expected."
);

/** alsaseq.SeqEvent source attribute: tp_getset getter() */
static PyObject *
SeqEvent_get_source(SeqEventObject *self) {
  int source_client = self->event->source.client;
  int source_port = self->event->source.port;
  PyObject *client, *port;
  PyObject *tuple = PyTuple_New(2);

  TCONSTASSIGN(ADDR_CLIENT, source_client, client);
  TCONSTASSIGN(ADDR_PORT, source_port, port);

  PyTuple_SetItem(tuple, 0, client);
  PyTuple_SetItem(tuple, 1, port);

  return tuple;
}

/** alsaseq.SeqEvent source attribute: tp_getset setter() */
static int
SeqEvent_set_source(SeqEventObject *self,
		    PyObject *val) {
  long client;
  long port;

  if (!PyTuple_Check(val) || PyTuple_Size(val) != 2) {
    PyErr_SetString(PyExc_TypeError, "expected tuple (client,port)");
    return -1;
  }

  if (get_long(PyTuple_GetItem(val, 0), &client))
    return -1;
  if (get_long(PyTuple_GetItem(val, 1), &port))
    return -1;

  self->event->source.client = client;
  self->event->source.port = port;

  return 0;
}

/** alsaseq.SeqEvent dest attribute: __doc __ */
PyDoc_STRVAR(SeqEvent_dest__doc__,
  "dest -> tuple (client_id, port_id)\n"
  "\n"
  "Tuple representing the destination address of this alsaseq.SeqEvent.\n"
  "The tuple is (client_id, port_id). If the client or port id are known,\n"
  "the appropriate constant may be used, otherwise integers are expected."
);

/** alsaseq.SeqEvent dest attribute: tp_getset getter() */
static PyObject *
SeqEvent_get_dest(SeqEventObject *self) {
  int dest_client = self->event->dest.client;
  int dest_port = self->event->dest.port;
  PyObject *client, *port;
  PyObject *tuple = PyTuple_New(2);

  TCONSTASSIGN(ADDR_CLIENT, dest_client, client);
  TCONSTASSIGN(ADDR_PORT, dest_port, port);

  PyTuple_SetItem(tuple, 0, client);
  PyTuple_SetItem(tuple, 1, port);

  return tuple;
}

/** alsaseq.SeqEvent dest attribute: tp_getset setter() */
static int
SeqEvent_set_dest(SeqEventObject *self,
		  PyObject *val) {
  long client;
  long port;

  if (!PyTuple_Check(val) || PyTuple_Size(val) != 2) {
    PyErr_SetString(PyExc_TypeError, "expected tuple (client,port)");
    return -1;
  }

  if (get_long(PyTuple_GetItem(val, 0), &client))
    return -1;;
  if (get_long(PyTuple_GetItem(val, 1), &port))
    return -1;

  self->event->dest.client = client;
  self->event->dest.port = port;

  return 0;
}

/** alsaseq.SeqEvent is_result_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_result_type__doc__,
  "is_result_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type result (True) or not\n"
  "(False). Note: read-only attribute."
);


/** alsaseq.SeqEvent is_result_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_result_type(SeqEventObject *self) {
  if (snd_seq_ev_is_result_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_note_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_note_type__doc__,
  "is_note_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type note (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_note_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_note_type(SeqEventObject *self) {
  if (snd_seq_ev_is_note_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_control_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_control_type__doc__,
  "is_control_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type control (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_note_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_control_type(SeqEventObject *self) {
  if (snd_seq_ev_is_control_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_channel_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_channel_type__doc__,
  "is_channel_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type channel (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_channel_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_channel_type(SeqEventObject *self) {
  if (snd_seq_ev_is_channel_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_queue_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_queue_type__doc__,
  "is_queue_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is a queue event (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_queue_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_queue_type(SeqEventObject *self) {
  if (snd_seq_ev_is_queue_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_message_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_message_type__doc__,
  "is_message_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type message (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_message_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_message_type(SeqEventObject *self) {
  if (snd_seq_ev_is_message_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_subscribe_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_subscribe_type__doc__,
  "is_subscribe_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type subscribe (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_subscribe_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_subscribe_type(SeqEventObject *self) {
  if (snd_seq_ev_is_subscribe_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_sample_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_sample_type__doc__,
  "is_sample_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type sample (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_sample_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_sample_type(SeqEventObject *self) {
  if (snd_seq_ev_is_sample_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_user_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_user_type__doc__,
  "is_user_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type user (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_user_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_user_type(SeqEventObject *self) {
  if (snd_seq_ev_is_user_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_instr_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_instr_type__doc__,
  "is_instr_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type instr (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_instr_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_instr_type(SeqEventObject *self) {
  if (snd_seq_ev_is_instr_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_fixed_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_fixed_type__doc__,
  "is_fixed_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type fixed (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_fixed_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_fixed_type(SeqEventObject *self) {
  if (snd_seq_ev_is_fixed_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_variable_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_variable_type__doc__,
  "is_variable_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type variable (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_variable_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_variable_type(SeqEventObject *self) {
  if (snd_seq_ev_is_variable_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_varusr_type attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_varusr_type__doc__,
  "is_message_type -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is of type varusr (True) or not\n"
  "(False). Note: read-only attribute."
);

/** alsaseq.SeqEvent is_varusr_type attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_varusr_type(SeqEventObject *self) {
  if (snd_seq_ev_is_varusr_type(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_reserved attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_reserved__doc__,
  "is_reserved -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is reserved (True) or not (False).\n"
  "Note: read-only attribute."
);

/** alsaseq.SeqEvent is_reserved attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_reserved(SeqEventObject *self) {
  if (snd_seq_ev_is_reserved(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_prior attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_prior__doc__,
  "is_prior -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is prior (True) or not (False).\n"
  "Note: read-only attribute."
);

/** alsaseq.SeqEvent is_prior attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_prior(SeqEventObject *self) {
  if (snd_seq_ev_is_prior(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_fixed attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_fixed__doc__,
  "is_fixed -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is fixed (True) or not (False).\n"
  "Note: read-only attribute."
);

/** alsaseq.SeqEvent is_fixed attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_fixed(SeqEventObject *self) {
  if (snd_seq_ev_is_fixed(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_variable attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_variable__doc__,
  "is_variable -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is variable (True) or not (False).\n"
  "Note: read-only attribute."
);

/** alsaseq.SeqEvent is_variable attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_variable(SeqEventObject *self) {
  if (snd_seq_ev_is_variable(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_varusr attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_varusr__doc__,
  "is_varusr -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is varusr (True) or not (False).\n"
  "Note: read-only attribute."
);

/** alsaseq.SeqEvent is_varusr attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_varusr(SeqEventObject *self) {
  if (snd_seq_ev_is_varusr(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_tick attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_tick__doc__,
  "is_tick -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is tick timed (True) or not (False).\n"
  "Note: read-only attribute."
);

/** alsaseq.SeqEvent is_tick attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_tick(SeqEventObject *self) {
  if (snd_seq_ev_is_tick(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_real attribute: __doc__ */
PyDoc_STRVAR(SeqEvent_is_real__doc__,
  "is_real -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is real timed (True) or not (False).\n"
  "Note: read-only attribute."
);

/** alsaseq.SeqEvent is_real attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_real(SeqEventObject *self) {
  if (snd_seq_ev_is_real(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_abstime attribute: __doc__ */
const char SeqEvent_is_abstime__doc__ [] =
  "is_abstime -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is abstime timed (True) or not\n"
  "(False). Note: read-only attribute."
  ;

/** alsaseq.SeqEvent is_abstime attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_abstime(SeqEventObject *self) {
  if (snd_seq_ev_is_abstime(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_reltime attribute: __doc__ */
const char SeqEvent_is_reltime__doc__ [] =
  "is_reltime -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is a reltime timed (True) or not\n"
  "(False). Note: read-only attribute."
  ;

/** alsaseq.SeqEvent is_reltime attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_reltime(SeqEventObject *self) {
  if (snd_seq_ev_is_reltime(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent is_direct attribute: __doc__ */
const char SeqEvent_is_direct__doc__ [] =
  "is_direct -> boolean\n"
  "\n"
  "Indicates if this alsaseq.SeqEvent is sent directly (True) or not\n"
  "(False). Note: read-only attribute."
  ;

/** alsaseq.SeqEvent is_direct attribute: tp_getset getter() */
static PyObject *
SeqEvent_is_direct(SeqEventObject *self) {
  if (snd_seq_ev_is_direct(self->event)) {
    Py_RETURN_TRUE;
  } else {
    Py_RETURN_FALSE;
  }
}

/** alsaseq.SeqEvent _dtype attribute: __doc__ */
const char SeqEvent__dtype__doc__ [] =
  "_dtype -> dictionary\n"
  "\n"
  "Dictionary will available event type constants."
  ;

/** alsaseq.Seqevent _dtype attribute: tp_getset getter() */
static PyObject *
SeqEvent__dtype(SeqEventObject *self) {
  Py_INCREF(_dictPYALSASEQ_CONST_EVENT_TYPE);
  return _dictPYALSASEQ_CONST_EVENT_TYPE;
}

/** alsaseq.SeqEvent _dtimestamp attribute: __doc__ */
const char SeqEvent__dtimestamp__doc__ [] =
  "_dtimestamp -> dictionary\n"
  "\n"
  "Dictionary will available event timestamp constants."
  ;

/** alsaseq.Seqevent _dtimestamp attribute: tp_getset getter() */
static PyObject *
SeqEvent__dtimestamp(SeqEventObject *self) {
  Py_INCREF(_dictPYALSASEQ_CONST_EVENT_TIMESTAMP);
  return _dictPYALSASEQ_CONST_EVENT_TIMESTAMP;
}

/** alsaseq.SeqEvent _dtimemode attribute: __doc__ */
const char SeqEvent__dtimemode__doc__ [] =
  "_dtimemode -> dictionary\n"
  "\n"
  "Dictionary of available event timemode constants."
  ;

/** alsaseq.Seqevent _dtimemode attribute: tp_getset getter() */
static PyObject *
SeqEvent__dtimemode(SeqEventObject *self) {
  Py_INCREF(_dictPYALSASEQ_CONST_EVENT_TIMEMODE);
  return _dictPYALSASEQ_CONST_EVENT_TIMEMODE;
}

/** alsaseq.SeqEvent _dqueue attribute: __doc__ */
const char SeqEvent__dqueue__doc__ [] =
  "_dqueue -> dictionary\n"
  "\n"
  "Dictionary of known queue id constants."
  ;

/** alsaseq.Seqevent _dqueue attribute: tp_getset getter() */
static PyObject *
SeqEvent__dqueue(SeqEventObject *self) {
  Py_INCREF(_dictPYALSASEQ_CONST_QUEUE);
  return _dictPYALSASEQ_CONST_QUEUE;
}

/** alsaseq.SeqEvent _dclient attribute: __doc__ */
const char SeqEvent__dclient__doc__ [] =
  "_dclient -> dictionary\n"
  "\n"
  "Dictionary of known client addresses constants."
  ;

/** alsaseq.Seqevent _dclient attribute: tp_getset getter() */
static PyObject *
SeqEvent__dclient(SeqEventObject *self) {
  Py_INCREF(TDICT(ADDR_CLIENT));
  return TDICT(ADDR_CLIENT);
}

/** alsaseq.SeqEvent _dport attribute: __doc__ */
const char SeqEvent__dport__doc__ [] =
  "_dport -> dictionary\n"
  "\n"
  "Dictionary of known port addresses constants."
  ;

/** alsaseq.Seqevent _dport attribute: tp_getset getter() */
static PyObject *
SeqEvent__dport(SeqEventObject *self) {
  Py_INCREF(TDICT(ADDR_PORT));
  return TDICT(ADDR_PORT);
}


/** alsaseq.SeqEvent tp_getset list */
static PyGetSetDef SeqEvent_getset[] = {
  {"type",
   (getter) SeqEvent_get_type,
   (setter) SeqEvent_set_type,
   (char *) SeqEvent_type__doc__,
   NULL},
  {"timestamp",
   (getter) SeqEvent_get_timestamp,
   (setter) SeqEvent_set_timestamp,
   (char *) SeqEvent_timestamp__doc__,
   NULL},
  {"timemode",
   (getter) SeqEvent_get_timemode,
   (setter) SeqEvent_set_timemode,
   (char *) SeqEvent_timemode__doc__,
   NULL},
  {"tag",
   (getter) SeqEvent_get_tag,
   (setter) SeqEvent_set_tag,
   (char *) SeqEvent_tag__doc__,
   NULL},
  {"queue",
   (getter) SeqEvent_get_queue,
   (setter) SeqEvent_set_queue,
   (char *) SeqEvent_queue__doc__,
   NULL},
  {"time",
   (getter) SeqEvent_get_time,
   (setter) SeqEvent_set_time,
   (char *) SeqEvent_time__doc__,
   NULL},
  {"source",
   (getter) SeqEvent_get_source,
   (setter) SeqEvent_set_source,
   (char *) SeqEvent_source__doc__,
   NULL},
  {"dest",
   (getter) SeqEvent_get_dest,
   (setter) SeqEvent_set_dest,
   (char *) SeqEvent_dest__doc__,
   NULL},
  {"is_result_type",
   (getter) SeqEvent_is_result_type,
   NULL,
   (char *) SeqEvent_is_result_type__doc__,
   NULL},
  {"is_note_type",
   (getter) SeqEvent_is_note_type,
   NULL,
   (char *) SeqEvent_is_note_type__doc__,
   NULL},
  {"is_control_type",
   (getter) SeqEvent_is_control_type,
   NULL,
   (char *) SeqEvent_is_control_type__doc__,
   NULL},
  {"is_channel_type",
   (getter) SeqEvent_is_channel_type,
   NULL,
   (char *) SeqEvent_is_channel_type__doc__,
   NULL},
  {"is_queue_type",
   (getter) SeqEvent_is_queue_type,
   NULL,
   (char *) SeqEvent_is_queue_type__doc__,
   NULL},
  {"is_message_type",
   (getter) SeqEvent_is_message_type,
   NULL,
   (char *) SeqEvent_is_message_type__doc__,
   NULL},
  {"is_subscribe_type",
   (getter) SeqEvent_is_subscribe_type,
   NULL,
   (char *) SeqEvent_is_subscribe_type__doc__,
   NULL},
  {"is_sample_type",
   (getter) SeqEvent_is_sample_type,
   NULL,
   (char *) SeqEvent_is_sample_type__doc__,
   NULL},
  {"is_user_type",
   (getter) SeqEvent_is_user_type,
   NULL,
   (char *) SeqEvent_is_user_type__doc__,
   NULL},
  {"is_instr_type",
   (getter) SeqEvent_is_instr_type,
   NULL,
   (char *) SeqEvent_is_instr_type__doc__,
   NULL},
  {"is_fixed_type",
   (getter) SeqEvent_is_fixed_type,
   NULL,
   (char *) SeqEvent_is_fixed_type__doc__,
   NULL},
  {"is_variable_type",
   (getter) SeqEvent_is_variable_type,
   NULL,
   (char *) SeqEvent_is_variable_type__doc__,
   NULL},
  {"is_varusr_type",
   (getter) SeqEvent_is_varusr_type,
   NULL,
   (char *) SeqEvent_is_varusr_type__doc__,
   NULL},
  {"is_reserved",
   (getter) SeqEvent_is_reserved,
   NULL,
   (char *) SeqEvent_is_reserved__doc__,
   NULL},
  {"is_prior",
   (getter) SeqEvent_is_prior,
   NULL,
   (char *) SeqEvent_is_prior__doc__,
   NULL},
  {"is_fixed",
   (getter) SeqEvent_is_fixed,
   NULL,
   (char *) SeqEvent_is_fixed__doc__,
   NULL},
  {"is_variable",
   (getter) SeqEvent_is_variable,
   NULL,
   (char *) SeqEvent_is_variable__doc__,
   NULL},
  {"is_varusr",
   (getter) SeqEvent_is_varusr,
   NULL,
   (char *) SeqEvent_is_varusr__doc__,
   NULL},
  {"is_tick",
   (getter) SeqEvent_is_tick,
   NULL,
   (char *) SeqEvent_is_tick__doc__,
   NULL},
  {"is_real",
   (getter) SeqEvent_is_real,
   NULL,
   (char *) SeqEvent_is_real__doc__,
   NULL},
  {"is_abstime",
   (getter) SeqEvent_is_abstime,
   NULL,
   (char *) SeqEvent_is_abstime__doc__,
   NULL},
  {"is_reltime",
   (getter) SeqEvent_is_reltime,
   NULL,
   (char *) SeqEvent_is_reltime__doc__,
   NULL},
  {"is_direct",
   (getter) SeqEvent_is_direct,
   NULL,
   (char *) SeqEvent_is_direct__doc__,
   NULL},
  {"_dtype",
   (getter) SeqEvent__dtype,
   NULL,
   (char *) SeqEvent__dtype__doc__,
   NULL},
  {"_dtimestamp",
   (getter) SeqEvent__dtimestamp,
   NULL,
   (char *) SeqEvent__dtimestamp__doc__,
   NULL},
  {"_dtimemode",
   (getter) SeqEvent__dtimemode,
   NULL,
   (char *) SeqEvent__dtimemode__doc__,
   NULL},
  {"_dqueue",
   (getter) SeqEvent__dqueue,
   NULL,
   (char *) SeqEvent__dqueue__doc__,
   NULL},
  {"_dclient",
   (getter) SeqEvent__dclient,
   NULL,
   (char *) SeqEvent__dclient__doc__,
   NULL},
  {"_dport",
   (getter) SeqEvent__dport,
   NULL,
   (char *) SeqEvent__dport__doc__,
   NULL},
  {NULL}
};

/** alsaseq.SeqEvent tp_repr */
static PyObject *
SeqEvent_repr(SeqEventObject *self) {
  PyObject *key = PyInt_FromLong(self->event->type);
  ConstantObject *typeObject = (ConstantObject *)PyDict_GetItem(TDICT(EVENT_TYPE), key);
  const char *timemode = "";
  unsigned int dtime = 0;
  unsigned int ntime = 0;
  Py_DECREF(key);

  if (snd_seq_ev_is_real(self->event)) {
    timemode = "real";
    dtime = self->event->time.time.tv_sec;
    ntime += self->event->time.time.tv_nsec / 1000000000.0;
  } else {
    timemode = "tick";
    dtime = self->event->time.tick;
  }

  return PyUnicode_FromFormat("<alsaseq.SeqEvent type=%S(%d) flags=%d tag=%d "
			     "queue=%d time=%s(%u.%u) from=%d:%d to=%d:%d "
			     "at %p>",
			     typeObject,
			     self->event->type, self->event->flags,
			     self->event->tag, self->event->queue,
			     timemode, dtime, ntime,
			     (self->event->source).client,
			     (self->event->source).port,
			     (self->event->dest).client,
			     (self->event->dest).port,
			     self);
}

/** alsaseq.SeqEvent get_data() method: __doc__ */
PyDoc_STRVAR(SeqEvent_get_data__doc__,
  "get_data() -> dict\n"
  "\n"
  "Returns a new dictionary with the data of this SeqEvent.\n"
  "Changes to the returned dictionary will not change this SeqEvent data,\n"
  "for changing an event data use the set_data() method.\n"
  "\n"
  "The dictionary items are key: value; where key is the name of the\n"
  "data structure from alsa API and value is an integer or a list of them.\n"
  "\n"
  "The following name of structures are available:\n"
  "  'note.channel' -> int\n"
  "  'note.note' -> int\n"
  "  'note.velocity' -> int\n"
  "  'note.off_velocity' -> int\n"
  "  'note.duration' -> int\n"
  "  'control.channel' -> int\n"
  "  'control.value' -> int\n"
  "  'control.param' -> int\n"
  "  'queue.queue' -> int\n"
  "  'addr.client' -> int\n"
  "  'addr.port' -> int\n"
  "  'connect.sender.client' -> int\n"
  "  'connect.sender.port' -> int\n"
  "  'connect.dest.client' -> int\n"
  "  'connect.dest.port' -> int\n"
  "  'result.event' -> int\n"
  "  'result.result' -> int\n"
  "  'ext' -> list of int with sysex or variable data\n"
  "\n"
  "The exact items returned dependens on the event type of this SeqEvent.\n"
  "For a control event, only 'control.*' may be returned; for a sysex \n"
  "event, only 'ext' may be returned; for a note event, only 'note.*' may \n"
  "be returned and so on."
);

/** alsaseq.SeqEvent get_data() method */
static PyObject *
SeqEvent_get_data(SeqEventObject *self,
		  PyObject *args) {
  PyObject *dict = PyDict_New();
  snd_seq_event_t *event = self->event;

  switch (event->type) {
  case SND_SEQ_EVENT_SYSTEM:
  case SND_SEQ_EVENT_RESULT:
    SETDICT_RESU2;
    break;

  case SND_SEQ_EVENT_NOTE:
    SETDICT_NOTE5;
    break;

  case SND_SEQ_EVENT_NOTEON:
  case SND_SEQ_EVENT_NOTEOFF:
  case SND_SEQ_EVENT_KEYPRESS:
    SETDICT_NOTE3;
    break;

  case SND_SEQ_EVENT_CONTROLLER:
    SETDICT_CTRL3;
    break;

  case SND_SEQ_EVENT_PGMCHANGE:
  case SND_SEQ_EVENT_CHANPRESS:
  case SND_SEQ_EVENT_PITCHBEND:
    SETDICT_CTRL2;
    break;

  case SND_SEQ_EVENT_CONTROL14:
  case SND_SEQ_EVENT_NONREGPARAM:
  case SND_SEQ_EVENT_REGPARAM:
    SETDICT_CTRL3;
    break;

  case SND_SEQ_EVENT_SONGPOS:
  case SND_SEQ_EVENT_SONGSEL:
  case SND_SEQ_EVENT_QFRAME:
  case SND_SEQ_EVENT_TIMESIGN:
  case SND_SEQ_EVENT_KEYSIGN:
    SETDICT_CTRL1;
    break;

  case SND_SEQ_EVENT_START:
  case SND_SEQ_EVENT_CONTINUE:
  case SND_SEQ_EVENT_STOP:
  case SND_SEQ_EVENT_SETPOS_TICK:
  case SND_SEQ_EVENT_TEMPO:
    SETDICT_QUEU1;
    break;

  case SND_SEQ_EVENT_CLOCK:
  case SND_SEQ_EVENT_TICK:
    break;

  case SND_SEQ_EVENT_QUEUE_SKEW:
    SETDICT_QUEU1;
    break;

  case SND_SEQ_EVENT_TUNE_REQUEST:
  case SND_SEQ_EVENT_RESET:
  case SND_SEQ_EVENT_SENSING:
    break;

  case SND_SEQ_EVENT_CLIENT_START:
  case SND_SEQ_EVENT_CLIENT_EXIT:
  case SND_SEQ_EVENT_CLIENT_CHANGE:
    SETDICT_ADDR1;
    break;

  case SND_SEQ_EVENT_PORT_START:
  case SND_SEQ_EVENT_PORT_EXIT:
  case SND_SEQ_EVENT_PORT_CHANGE:
    SETDICT_ADDR2;
    break;

  case SND_SEQ_EVENT_PORT_SUBSCRIBED:
  case SND_SEQ_EVENT_PORT_UNSUBSCRIBED:
    SETDICT_CONN4;
    break;

  case SND_SEQ_EVENT_SYSEX:
    SETDICT_EXT;
    break;
  }

  return dict;
}

/** alsaseq.SeqEvent set_data() method: __doc__ */
PyDoc_STRVAR(SeqEvent_set_data__doc__,
  "set_data(dict)"
  "\n"
  "Changes the data of this SeqEvent, updating internal data structure \n"
  "from the given dictionary.\n"
  "\n"
  "The dictionary items should be the same as described in the get_data() \n"
  "method and be the appropriate for this SeqEvent type.\n"
  "\n"
  "This method does not check if a given structure correspond to is valid \n"
  "for this SeqEvent type; so setting the 'control.param' or the 'ext' \n"
  "structures for a NOTE SeqEvent may change another data structure \n"
  "or will simple have no effect once sent."
);

/** alsaseq.SeqEvent set_data() method */
static PyObject *
SeqEvent_set_data(SeqEventObject *self,
				   PyObject *args) {
  PyObject *dict = NULL;
  snd_seq_event_t *event = self->event;

  if (!PyArg_ParseTuple(args, "O",
			&dict)) {
    return NULL;
  }

  if (!PyDict_Check(dict)) {
    PyErr_SetString(PyExc_TypeError, "must be a dictionary");
    return NULL;
  }

  GETDICTINT("note.channel", event->data.note.channel);
  GETDICTINT("note.note", event->data.note.note);
  GETDICTINT("note.velocity", event->data.note.velocity);
  GETDICTINT("note.off_velocity", event->data.note.off_velocity);
  GETDICTINT("note.duration", event->data.note.duration);

  GETDICTINT("control.channel", event->data.control.channel);
  GETDICTINT("control.param", event->data.control.param);
  GETDICTINT("control.value", event->data.control.value);

  GETDICTEXT("ext");

  GETDICTINT("queue.queue", event->data.queue.queue);
  GETDICTINT("queue.param.value", event->data.queue.param.value);

  GETDICTINT("addr.client", event->data.addr.client);
  GETDICTINT("addr.port", event->data.addr.port);

  GETDICTINT("connect.sender.client", event->data.connect.sender.client);
  GETDICTINT("connect.sender.port", event->data.connect.sender.port);
  GETDICTINT("connect.dest.client", event->data.connect.dest.client);
  GETDICTINT("connect.dest.port", event->data.connect.dest.port);

  GETDICTINT("result.event", event->data.result.event);
  GETDICTINT("result.result", event->data.result.result);

  Py_RETURN_NONE;
}


/** alsaseq.SeqEvent tp_methods */
static PyMethodDef SeqEvent_methods[] = {
  {"get_data",
   (PyCFunction) SeqEvent_get_data,
   METH_VARARGS,
   SeqEvent_get_data__doc__},
  {"set_data",
   (PyCFunction) SeqEvent_set_data,
   METH_VARARGS,
   SeqEvent_set_data__doc__},
  {NULL}
};

/** alsaseq.SeEvent type */
static PyTypeObject SeqEventType = {
  PyVarObject_HEAD_INIT(NULL, 0)
  tp_name: "alsaseq.SeqEvent",
  tp_basicsize: sizeof(SeqEventObject),
  tp_dealloc: (destructor) SeqEvent_dealloc,
  tp_flags: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
  tp_doc: SeqEvent__doc__,
  tp_init: (initproc)SeqEvent_init,
  tp_new : SeqEvent_new,
  tp_alloc: PyType_GenericAlloc,
  tp_free: PyObject_Del,
  tp_methods: SeqEvent_methods,
  tp_getset: SeqEvent_getset,
  tp_repr: (reprfunc)SeqEvent_repr,
};



//////////////////////////////////////////////////////////////////////////////
// alsaseq.Sequencer implementation
//////////////////////////////////////////////////////////////////////////////

/** alsaseq.Sequencer __doc__ */
PyDoc_STRVAR(Sequencer__doc__,
  "Sequencer([name, clientname, streams, mode, maxreceiveevents]) "
  "-> Sequencer object\n"
  "\n"
  "Creates and opens an ALSA sequencer. The features of the Sequencer are:\n"
  "- send/receive events (as SeqEvent objects)\n"
  "- create ports\n"
  "- list all ALSA clients and their port connections\n"
  "- connect/disconnect arbitrary ports\n"
  "- create and control queues\n"
  "- get info about a port or a client\n"
  "\n"
  "The name must correspond to the special ALSA name (for example: 'hw'); \n"
  "if not specified, 'default' is used. The clientname is the name of this \n"
  "client; if not specified, 'pyalsa-PID' is used.\n"
  "\n"
  "The streams specifies if you want to receive, send or both; use \n"
  "SEQ_OPEN_INPUT, SEQ_OPEN_OUTPUT or SEQ_OPEN_DUPLEX. If not specified, \n"
  "SEQ_OPEN_DUPLEX is used."
  "\n"
  "The mode specifies if this client should block or not, use SEQ_BLOCK or \n"
  "SEQ_NONBLOCK. If not specified, SEQ_NONBLOCK is used."
  "\n"
  "The maxreceiveevents is a number that represents how many SeqEvent \n"
  "objects are returned by the receive() method. If not specified, the \n"
  "default is 4. \n"
  "\n"
  "There is no method for closing the sequencer, it will remain open as \n"
  "long as the Sequencer object exists. For closing the sequencer you \n"
  "must explicitly del() the returned object."
);

/** alsaseq.Sequencer object structure type */
typedef struct {
  PyObject_HEAD

  /* streams */
  int streams;
  /* mode */
  int mode;

  /* alsa handler */
  snd_seq_t *handle;
  /* max fd's */
  int receive_max;
  /* receive poll fd's */
  struct pollfd *receive_fds;
  /* max events for returning in receive_events() */
  int receive_max_events;
  /* remaining bytes from input */
  int receive_bytes;
} SequencerObject;

/** alsaseq.Sequencer type (initialized later...) */
static PyTypeObject SequencerType;

/** alsaseq.Sequencer: tp_init */
static int
Sequencer_init(SequencerObject *self,
			  PyObject *args, PyObject *kwds) {
  int ret;
  /* defaults */
  char *name = "default";
  char *clientname = NULL;
  char tmpclientname[1024];

  self->streams = SND_SEQ_OPEN_DUPLEX;
  self->mode = SND_SEQ_NONBLOCK;
  int maxreceiveevents = 4;

  char *kwlist[] = { "name", "clientname", "streams", "mode",
		     "maxreceiveevents", NULL };

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ssiii", kwlist, &name,
				   &clientname, &self->streams,
				   &self->mode, &maxreceiveevents)) {
    return -1;
  }

  if (clientname == NULL) {
    tmpclientname[0] = 0;
    sprintf(tmpclientname, "pyalsa-%d", getpid());
    clientname = tmpclientname;
  }

  self->receive_fds = NULL;
  self->receive_max = 0;
  self->receive_bytes = 0;
  self->receive_max_events = maxreceiveevents;


  ret = snd_seq_open(&(self->handle), name, self->streams,
		     self->mode);
  if (ret < 0) {
    RAISESND(ret, "Failed to create sequencer");
    return -1;
  }
  ret = snd_seq_set_client_name(self->handle, clientname);
  if (ret < 0) {
    RAISESND(ret, "Failed to set client name");
    return -1;
  }

  return 0;
}

/** alsaseq.Sequencer: tp_dealloc */
static void
Sequencer_dealloc(SequencerObject *self) {
  FREECHECKED("receive_fds", self->receive_fds);

  if (self->handle) {
    snd_seq_close(self->handle);
    self->handle = NULL;
  }
  Py_TYPE(self)->tp_free((PyObject*)self);
}

/** alsaseq.Sequencer name attribute: __doc__ */
PyDoc_STRVAR(Sequencer_name__doc__,
  "name -> string\n"
  "\n"
  "The alsa device name of this alsaseq.Sequencer.\n"
  "Note: read-only attribute."
);

/** alsaseq.Sequencer name attribute: tp_getset getter() */
static PyObject *
Sequencer_get_name(SequencerObject *self) {
  return PyUnicode_FromString(snd_seq_name(self->handle));
}

/** alsaseq.Sequencer clientname attribute: __doc__ */
PyDoc_STRVAR(Sequencer_clientname__doc__,
  "clientname -> string\n"
  "\n"
  "The client name of this alsaseq.Sequencer\n"
);

/** alsaseq.Sequencer clientname attribute: tp_getset getter() */
static PyObject *
Sequencer_get_clientname(SequencerObject *self) {
  snd_seq_client_info_t *cinfo;

  snd_seq_client_info_alloca(&cinfo);
  snd_seq_get_client_info(self->handle, cinfo);

  return PyUnicode_FromString(snd_seq_client_info_get_name(cinfo));
}

/** alsaseq.Sequencer clientname attribute: tp_getset setter() */
static int
Sequencer_set_clientname(SequencerObject *self,
			 PyObject *val) {
  char *s;

  if (get_utf8_string(val, &s))
    return -1;

  snd_seq_set_client_name(self->handle, s);
  free(s);

  return 0;
}

/** alsaseq.Sequencer streams attribute: __doc__ */
PyDoc_STRVAR(Sequencer_streams__doc__,
  "streams -> Constant object\n"
  "\n"
  "The streams of this alsaseq.Sequencer. Possible values:\n"
  "alsaseq.SEQ_OPEN_OUTPUT, alsaseq.SEQ_OPEN_INPUT, \n"
  "alsaseq.SEQ_OPEN_DUPLEX.\n"
  "Note: read-only attribute."
);

/** alsaseq.Sequencer streams attribute: tp_getset getter() */
static PyObject *
Sequencer_get_streams(SequencerObject *self) {
  TCONSTRETURN(STREAMS, self->streams);
}

/** alsaseq.Sequencer mode attribute: __doc__ */
PyDoc_STRVAR(Sequencer_mode__doc__,
  "mode -> Constant object\n"
  "\n"
  "The blocking mode of this alsaseq.Sequencer. Use\n"
  "alsaseq.SEQ_BLOCK, alsaseq.SEQ_NONBLOCK."
);

/** alsaseq.Sequencer mode attribute: tp_getset getter() */
static PyObject *Sequencer_get_mode(SequencerObject *self) {
  TCONSTRETURN(MODE, self->mode);
}

/** alsaseq.Sequencer mode attribute: tp_getset setter() */
static int
Sequencer_set_mode(SequencerObject *self,
		   PyObject *val) {
  int ret;
  long mode;

  if (get_long(val, &mode))
    return -1;

  if (mode != 0 && mode != SND_SEQ_NONBLOCK) {
    PyErr_SetString(PyExc_ValueError, "Invalid value for mode.");
    return -1;
  }

  ret = snd_seq_nonblock(self->handle, mode);
  if (ret == 0) {
    self->mode = mode;
  } else {
    RAISESND(ret, "Failed to set mode");
    return -1;
  }
  return 0;
}

/** alsaseq.Sequencer client_id attribute: __doc__ */
PyDoc_STRVAR(Sequencer_client_id__doc__,
  "client_id -> int\n"
  "\n"
  "The client id of this alsaseq.Sequencer.\n"
  "Note: read-only attribute."
);

/** alsaseq.Sequencer client_id attribute: tp_getset getter() */
static PyObject *
Sequencer_get_client_id(SequencerObject *self) {
  snd_seq_client_info_t *cinfo;

  snd_seq_client_info_alloca(&cinfo);
  snd_seq_get_client_info(self->handle, cinfo);
  return PyInt_FromLong(snd_seq_client_info_get_client(cinfo));
}

/** alsaseq.Sequencer: tp_getset list*/
static PyGetSetDef Sequencer_getset[] = {
  {"name",
   (getter) Sequencer_get_name,
   NULL,
   (char *) Sequencer_name__doc__,
   NULL},
  {"clientname",
   (getter) Sequencer_get_clientname,
   (setter) Sequencer_set_clientname,
   (char *) Sequencer_clientname__doc__,
   NULL},
  {"streams",
   (getter) Sequencer_get_streams,
   NULL,
   (char *) Sequencer_streams__doc__,
   NULL},
  {"mode",
   (getter) Sequencer_get_mode,
   (setter) Sequencer_set_mode,
   (char *) Sequencer_mode__doc__,
   NULL},
  {"client_id",
   (getter) Sequencer_get_client_id,
   NULL,
   (char *) Sequencer_client_id__doc__,
   NULL},
  {NULL}
};

/** alsaseq.Sequencer: tp_repr */
static PyObject *
Sequencer_repr(SequencerObject *self) {
  snd_seq_client_info_t *cinfo;

  snd_seq_client_info_alloca(&cinfo);
  snd_seq_get_client_info(self->handle, cinfo);

  return PyUnicode_FromFormat("<alsaseq.Sequencer name=%s client_id=%d "
			     "clientname=%s streams=%d mode=%d at 0x%p>",
			     snd_seq_name(self->handle),
			     snd_seq_client_info_get_client(cinfo),
			     snd_seq_client_info_get_name(cinfo),
			     self->streams,
			     self->mode,
			     self
			     );
}

/** alsaseq.Sequencer create_simple_port() method: __doc__ */
PyDoc_STRVAR(Sequencer_create_simple_port__doc__,
  "create_simple_port(name, type, caps=0) -> int"
  "\n"
  "Creates a port for receiving or sending events.\n"
  "\n"
  "Parameters:\n"
  "    name -- name of the port\n"
  "    type -- type of port (use one of the alsaseq.SEQ_PORT_TYPE_*\n"
  "            constants)\n"
  "    caps -- capabilities of the port (use bitwise alsaseq.SEQ_PORT_CAP_*\n"
  "            constants). Default=0\n"
  "Returns:\n"
  "  the port id.\n"
  "Raises:\n"
  "  TypeError: if an invalid type was used in a parameter\n"
  "  ValueError: if an invalid value was used in a parameter\n"
  "  SequencerError: if ALSA can't create the port"
);
	

/** alsaseq.Sequencer create_simple_port() method */
static PyObject *
Sequencer_create_simple_port(SequencerObject *self,
			     PyObject *args,
			     PyObject *kwds) {
  char *name;
  unsigned int type;
  unsigned int caps=0;
  char *kwlist[] = { "name", "type", "caps", NULL };
  int port;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "sI|I", kwlist,
				   &name, &type, &caps)) {
    return NULL;
  }

  port = snd_seq_create_simple_port(self->handle, name, caps, type);
  if (port < 0) {
    RAISESND(port, "Failed to create simple port");
    return NULL;
  }

  return PyInt_FromLong(port);
}

/** alsaseq.Sequencer connection_list() method: __doc__ */
PyDoc_STRVAR(Sequencer_connection_list__doc__,
  "connection_list() -> list\n"
  "\n"
  "List all clients and their ports connections.\n"
  "\n"
  "Returns:\n"
  "  (list) a list of tuples: client_name, client_id, port_list:.\n"
  "    client_name -- the client's name.\n"
  "    client_id -- the client's id.\n"
  "    port_list -- a list of tuples: port_name, port_id, connection_list:\n"
  "      port_name -- the name of the port.\n"
  "      port_id -- the port id.\n"
  "      connection_list -- a list of tuples: read_conn, write_conn:\n"
  "        read_conn -- a list of (client_id, port_id, info) tuples this\n"
  "                     port is connected to (sends events);\n"
  "                     info is the same of the get_connect_info() method.\n"
  "        write_conn -- a list of (client_id, port_id, info) tuples this\n"
  "                      port is connected from (receives events);\n"
  "                      info is the same of the get_connect_info() method.\n"
);


static PyObject *
_query_connections_list(snd_seq_t *handle,
			snd_seq_query_subscribe_t *query,
			int type) {

  PyObject *list = PyList_New(0);
  int index = 0;
  snd_seq_query_subscribe_set_type(query, type);
  snd_seq_query_subscribe_set_index(query, index);
  while (snd_seq_query_port_subscribers(handle, query) >= 0) {
    const snd_seq_addr_t *addr =
      snd_seq_query_subscribe_get_addr(query);

    PyObject *tuple = Py_BuildValue(
        "(ii{sisisisi})",
        (int)addr->client,
        (int)addr->port,
        "queue", (int)snd_seq_query_subscribe_get_queue(query),
        "exclusive", (int)snd_seq_query_subscribe_get_exclusive(query),
        "time_update", (int)snd_seq_query_subscribe_get_time_update(query),
        "time_real", (int)snd_seq_query_subscribe_get_time_real(query));

    PyList_Append(list, tuple);
    Py_DECREF(tuple);
    snd_seq_query_subscribe_set_index(query, ++index);
  }
  return list;
}

static PyObject *
_query_connections(snd_seq_t *handle,
		   const snd_seq_addr_t *addr) {
  snd_seq_query_subscribe_t *query;
  snd_seq_query_subscribe_alloca(&query);
  snd_seq_query_subscribe_set_root(query, addr);

  // create tuple for read,write lists
  PyObject *tuple = PyTuple_New(2);
  PyObject *readlist = _query_connections_list(handle, query,
					       SND_SEQ_QUERY_SUBS_READ);
  PyObject *writelist = _query_connections_list(handle, query,
						SND_SEQ_QUERY_SUBS_WRITE);
  PyTuple_SetItem(tuple, 0, readlist);
  PyTuple_SetItem(tuple, 1, writelist);

  return tuple;
}

/** alsaseq.Sequencer connection_list() method */
static PyObject *
Sequencer_connection_list(SequencerObject *self,
			  PyObject *args) {
  snd_seq_client_info_t *cinfo;
  snd_seq_port_info_t *pinfo;
  PyObject *client, *port, *name;
  PyObject *list = PyList_New(0);

  if (list == NULL) {
    return NULL;
  }

  snd_seq_client_info_alloca(&cinfo);
  snd_seq_port_info_alloca(&pinfo);
  snd_seq_client_info_set_client(cinfo, -1);
  while (snd_seq_query_next_client(self->handle, cinfo) >= 0) {
    /* reset query info */
    snd_seq_port_info_set_client(pinfo,
				 snd_seq_client_info_get_client(cinfo));
    snd_seq_port_info_set_port(pinfo, -1);

    /* create tuple for client info */
    PyObject *tuple = PyTuple_New(3);
    PyObject *portlist = PyList_New(0);

    name = PyUnicode_FromFormat("%s", snd_seq_client_info_get_name(cinfo));
    client = PyInt_FromLong(snd_seq_client_info_get_client(cinfo));
    PyTuple_SetItem(tuple, 0, name);
    PyTuple_SetItem(tuple, 1, client);

    while (snd_seq_query_next_port(self->handle, pinfo) >= 0) {
      /* create tuple for port info */
      PyObject *porttuple = PyTuple_New(3);

      name = PyUnicode_FromFormat("%s", snd_seq_port_info_get_name(pinfo));
      port = PyInt_FromLong(snd_seq_port_info_get_port(pinfo));

      PyTuple_SetItem(porttuple, 0, name);
      PyTuple_SetItem(porttuple, 1, port);

      /* create tuple for read,write connections */
      PyObject *conntuple =
	_query_connections(self->handle, snd_seq_port_info_get_addr(pinfo));
      PyTuple_SetItem(porttuple, 2, conntuple);

      PyList_Append(portlist, porttuple);
      Py_DECREF(porttuple);
    }
    PyTuple_SetItem(tuple, 2, portlist);

    /* append list of port tuples */
    PyList_Append(list, tuple);
    Py_DECREF(tuple);
  }

  return list;
}

/** alsaseq.Sequencer get_client_info() method: __doc__ */
PyDoc_STRVAR(Sequencer_get_client_info__doc__,
  "get_client_info(client_id = self.client_id) -> dictionary\n"
  "\n"
  "Retrieve info about an existing client.\n"
  "\n"
  "Parameters:\n"
  "  client_id -- the client id (defaults to: self.client_id)\n"
  "Returns:\n"
  "  (dict) a dictionary with the following values:\n"
  "    id  -- id of client.\n"
  "    type -- type of client (SEQ_USER_CLIENT or SEQ_KERNEL_CLIENT).\n"
  "    name -- name of client.\n"
  "    broadcast_filter -- broadcast filter flag of client as int.\n"
  "    error_bounce -- error bounce of client as int.\n"
  "    event_filter -- event filter of client as string.\n"
  "    num_ports -- number of opened ports of client.\n"
  "    event_lost -- number of lost events of client.\n"
  "Raises:\n"
  " SequencerError: ALSA error occurred."
);

/** alsaseq.Sequencer get_client_info() method */
static PyObject *
Sequencer_get_client_info(SequencerObject *self,
			  PyObject *args,
			  PyObject *kwds) {
  snd_seq_client_info_t *cinfo;
  int client_id = -1;
  int ret;
  char *kwlist[] = { "client_id", NULL};

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i", kwlist,
				   &client_id)) {
    return NULL;
  }

  snd_seq_client_info_alloca(&cinfo);
  if (client_id == -1) {
    ret = snd_seq_get_client_info(self->handle, cinfo);
    if (ret < 0) {
      RAISESND(ret, "Failed to retrieve client info for self.client_id");
      return NULL;
    }
    client_id = snd_seq_client_info_get_client(cinfo);
  } else {
    ret = snd_seq_get_any_client_info(self->handle, client_id, cinfo);
    if (ret < 0) {
      RAISESND(ret, "Failed to retrieve client info for '%d'", client_id);
      return NULL;
    }
  }

  PyObject *d_id, *d_type;
  TCONSTASSIGN(ADDR_CLIENT, client_id, d_id);
  TCONSTASSIGN(CLIENT_TYPE, snd_seq_client_info_get_type(cinfo), d_type);
  const char *d_name = snd_seq_client_info_get_name(cinfo);

  PyObject *dict = Py_BuildValue(
      "{sNsNsssisiss#sisi}",
      "id", d_id,
      "type", d_type,
      "name", d_name == NULL ? "" : d_name,
      "broadcast_filter", (int)snd_seq_client_info_get_broadcast_filter(cinfo),
      "error_bounce", (int)snd_seq_client_info_get_error_bounce(cinfo),
      "event_filter", snd_seq_client_info_get_event_filter(cinfo), 32,
      "num_ports", (int)snd_seq_client_info_get_num_ports(cinfo),
      "event_lost", (int)snd_seq_client_info_get_event_lost(cinfo));

  return dict;
}

/** alsaseq.Sequencer get_port_info() method: __doc__ */
PyDoc_STRVAR(Sequencer_get_port_info__doc__,
  "get_port_info(port_id, client_id = self.client_id) -> dictionary\n"
  "\n"
  "Retrieve info about an existing client's port.\n"
  "\n"
  "Parameters:\n"
  "  port_id -- the port id\n"
  "  client_id -- the client id (defaults to: self.client_id)\n"
  "Returns:\n"
  "  (dict) a dictionary with the following values:\n"
  "    name -- the port name\n"
  "    type -- the port type bit flags\n"
  "    capability -- the port capability bit flags as integer\n"
  "Raises:\n"
  "  SequencerError: ALSA error occurred."
);

/** alsaseq.Sequencer get_port_info() method */
static PyObject *
Sequencer_get_port_info(SequencerObject *self,
			PyObject *args,
			PyObject *kwds) {
  snd_seq_port_info_t *pinfo;
  snd_seq_client_info_t *cinfo;
  int port_id;
  int client_id;
  int ret;
  char *kwlist[] = { "port_id", "client_id", NULL };

  snd_seq_client_info_alloca(&cinfo);
  ret = snd_seq_get_client_info(self->handle, cinfo);
  if (ret < 0) {
    RAISESND(ret, "Failed to determine self.client_id");
    return NULL;
  }
  client_id = snd_seq_client_info_get_client(cinfo);

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "i|i", kwlist,
				   &port_id, &client_id)) {
    return NULL;
  }

  snd_seq_port_info_alloca(&pinfo);
  ret = snd_seq_get_any_port_info(self->handle, client_id,
				  port_id, pinfo);
  if (ret < 0) {
    RAISESND(ret, "Failed to get port info for %d:%d", client_id, port_id);
    return NULL;
  }

  return Py_BuildValue(
      "{sssIsI}",
      "name", snd_seq_port_info_get_name(pinfo),
      "capability", (unsigned int)snd_seq_port_info_get_capability(pinfo),
      "type", (unsigned int)snd_seq_port_info_get_type(pinfo));
}

/** alsaseq.Sequencer connect_ports() method: __doc__ */
PyDoc_STRVAR(Sequencer_connect_ports__doc__,
  "connect_ports(srcaddr,dstaddr,queue,exclusive,time_update,time_real)\n"
  "\n"
  "Connect the ports specified by srcaddr and dstaddr.\n"
  "\n"
  "Parameters:\n"
  "  srcaddr -- (tuple) the (client_id, port_id) tuple for the source\n"
  "              port (the port sending events)\n"
  "  dstaddr -- (tuple) the (client_id, port_id) tuple for the destination\n"
  "              port (the port receiveng events)\n"
  "  queue   -- the queue of the connection.\n"
  "             If not specified, defaults to 0.\n"
  "  exclusive -- 1 if the connection is exclusive, 0 otherwise.\n"
  "               If not specified, defaults to 0.\n"
  "  time_update -- 1 if the connection should update time, 0 otherwise.\n"
  "                 If not specified, defaults to 0.\n"
  "  time_real -- 1 if the update time is in real, 0 if is in tick.\n"
  "                 If not specified, defaults to 0.\n"
  "Raises:\n"
  "  SequenceError: if ALSA can't connect the ports"
);

/** alsaseq.Sequencer connect_ports() method */
static PyObject *
Sequencer_connect_ports(SequencerObject *self,
			PyObject *args) {
  snd_seq_addr_t sender, dest;
  snd_seq_port_subscribe_t *sinfo;
  int ret;
  int queue = 0;
  int exclusive = 0;
  int time_update = 0;
  int time_real = 0;

  if (!PyArg_ParseTuple(args, "(BB)(BB)|iiii", &(sender.client),
	                &(sender.port), &(dest.client), &(dest.port),
			&queue, &exclusive, &time_update, &time_real)) {
    return NULL;
  }

  snd_seq_port_subscribe_alloca(&sinfo);
  snd_seq_port_subscribe_set_sender(sinfo, &sender);
  snd_seq_port_subscribe_set_dest(sinfo, &dest);
  snd_seq_port_subscribe_set_queue(sinfo, queue);
  snd_seq_port_subscribe_set_exclusive(sinfo, exclusive);
  snd_seq_port_subscribe_set_time_update(sinfo, time_update);
  snd_seq_port_subscribe_set_time_real(sinfo, time_real);

  ret = snd_seq_subscribe_port(self->handle, sinfo);
  if (ret < 0) {
    RAISESND(ret, "Failed to connect ports %d:%d -> %d:%d",
	     sender.client, sender.port, dest.client, dest.port);
    return NULL;
  }

  Py_RETURN_NONE;
}

/** alsaseq.Sequencer disconnect_ports() method: __doc__ */
PyDoc_STRVAR(Sequencer_disconnect_ports__doc__,
  "disconnect_ports(srcaddr, destaddr)\n"
  "\n"
  "Disconnect the ports specified by srcaddr and dstaddr.\n"
  "\n"
  "Parameters:\n"
  "  srcaddr -- (tuple) the client_id, port_id tuple for the source\n"
  "             port (the port sending events)\n"
  "  dstaddr -- (tuple) the client_id, port_id tuple for the destination\n"
  "             port (the port receiveng events)\n"
  "Raises:\n"
  "  SequenceError: if ALSA can't disconnect the port"
);

/** alsaseq.Sequencer disconnect_ports() method */
static PyObject *
Sequencer_disconnect_ports(SequencerObject *self,
			   PyObject *args) {
  snd_seq_addr_t sender, dest;
  snd_seq_port_subscribe_t *sinfo;
  int ret;

  if (!PyArg_ParseTuple(args, "(BB)(BB)", &(sender.client),
	                &(sender.port), &(dest.client), &(dest.port))) {
    return NULL;
  }

  snd_seq_port_subscribe_alloca(&sinfo);
  snd_seq_port_subscribe_set_sender(sinfo, &sender);
  snd_seq_port_subscribe_set_dest(sinfo, &dest);

  ret = snd_seq_unsubscribe_port(self->handle, sinfo);
  if (ret < 0) {
    RAISESND(ret, "Failed to disconnect ports: %d:%d --> %d:%d",
	     sender.client, sender.port, dest.client, dest.port);
    return NULL;
  }

  Py_RETURN_NONE;
}

/** alsaseq.Sequencer get_connect_info() method: __doc__ */
PyDoc_STRVAR(Sequencer_get_connect_info__doc__,
  "get_connect_info(srcaddr, dstaddr) -> dictionary\n"
  "\n"
  "Retrieve the subscribe info of the specified connection.\n"
  "\n"
  "Parameters:\n"
  "  srcaddr -- (tuple) the client_id, port_id tuple for the source\n"
  "             port (the port sending events)\n"
  "  dstaddr -- (tuple) the client_id, port_id tuple for the destination\n"
  "             port (the port receiveng events)\n"
  "Returns:\n"
  "  (dict) a dictionary with the following values:\n"
  "    queue -- \n"
  "    exclusive -- \n"
  "    time_update -- \n"
  "    time_real --- \n"
  "Raises:\n"
  "  SequenceError: if ALSA can't retrieve the connection or the\n"
  "                 connection doesn't exists."
);


static PyObject*
Sequencer_get_connect_info(SequencerObject *self,
			  PyObject *args) {
  snd_seq_addr_t sender, dest;
  snd_seq_port_subscribe_t *sinfo;
  int ret;

  if (!PyArg_ParseTuple(args, "(BB)(BB)", &(sender.client),
	                &(sender.port), &(dest.client), &(dest.port))) {
    return NULL;
  }

  snd_seq_port_subscribe_alloca(&sinfo);
  snd_seq_port_subscribe_set_sender(sinfo, &sender);
  snd_seq_port_subscribe_set_dest(sinfo, &dest);

  ret = snd_seq_get_port_subscription(self->handle, sinfo);
  if (ret < 0) {
    RAISESND(ret, "Failed to get port subscript: %d:%d --> %d:%d",
	     sender.client, sender.port, dest.client, dest.port);
    return NULL;
  }

  return Py_BuildValue(
      "{sisisisi}",
      "queue", (int)snd_seq_port_subscribe_get_queue(sinfo),
      "exclusive", (int)snd_seq_port_subscribe_get_exclusive(sinfo),
      "time_update", (int)snd_seq_port_subscribe_get_time_update(sinfo),
      "time_real", (int)snd_seq_port_subscribe_get_time_real(sinfo));
}

/** alsaseq.Sequencer receive_events() method: __doc__ */
PyDoc_STRVAR(Sequencer_receive_events__doc__,
  "receive_events(timeout = 0, maxevents = self.receive_maxevents) -> list\n"
  "\n"
  "Receive events.\n"
  "\n"
  "Parameters:\n"
  "  timeout -- (int) time for wating for events in milliseconds\n"
  "  maxevents -- (int) max events to be returned\n"
  "Returns:\n"
  "  (list) a list of alsaseq.SeqEvent objects\n"
  "Raises:\n"
  "  TypeError: if an invalid type was used in a parameter\n"
  "  SequencerError: if ALSA error occurs."
);

/** alsaseq.Sequencer receive_events() method */
static PyObject *
Sequencer_receive_events(SequencerObject *self,
			 PyObject *args,
			 PyObject *kwds) {
  int maxevents = self->receive_max_events;
  snd_seq_event_t *event = NULL;
  int timeout = 0;
  int ret;

  char *kwlist[] = {"timeout", "maxevents", NULL};

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ii", kwlist, &timeout,
				   &maxevents)) {
    return NULL;
  }

  if (self->receive_fds == NULL) {
    self->receive_max = snd_seq_poll_descriptors_count(self->handle, POLLOUT);
    self->receive_fds = malloc(sizeof(struct pollfd) * self->receive_max);
  }

  PyObject *list = PyList_New(0);
  if (list == NULL) {
    return NULL;
  }


  if (self->receive_bytes <= 0 && timeout != 0) {
    snd_seq_poll_descriptors(self->handle, self->receive_fds,
			     self->receive_max, POLLIN);
    Py_BEGIN_ALLOW_THREADS;
    ret = poll(self->receive_fds, self->receive_max, timeout);
    Py_END_ALLOW_THREADS;
    if (ret == 0) {
      return list;
    } else if (ret < 0) {
      RAISESTR("Failed to poll from receive: %s", strerror(-ret));
      return NULL;
    }
  }

  do {
    ret = snd_seq_event_input(self->handle, &event);
    self->receive_bytes = ret;
    if (ret < 0) {
      if (ret != -EAGAIN) {
      }
      break;
    }


    PyObject *SeqEventObject = SeqEvent_create(event);
    if (SeqEventObject == NULL) {
      RAISESTR("Error creating event!");
      return NULL;
    }

    PyList_Append(list, SeqEventObject);
    Py_DECREF(SeqEventObject);

    maxevents --;

  } while (maxevents > 0 && ret > 0);

  return list;
}

/** alsaseq.Sequencer output_event() method: __doc__ */
PyDoc_STRVAR(Sequencer_output_event__doc__,
  "output_event(event)\n"
  "\n"
  "Put the the given event in the outputbuffer. This actually will enqueue\n"
  "the event, to make sure it's sent, use the drain_output() method.\n"
  "\n"
  "Parameters:\n"
  "  event -- a SeqEvent object\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't send the event"
);

/** alsaseq.Sequencer output_event() method */
static PyObject *
Sequencer_output_event(SequencerObject *self,
		       PyObject *args,
		       PyObject *kwds) {
  SeqEventObject *seqevent;
  char *kwlist[] = {"event", NULL};

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", kwlist,
				   &seqevent)) {
    return NULL;
  }

  if (!PyObject_TypeCheck(seqevent, &SeqEventType)) {
    PyErr_SetString(PyExc_TypeError, "alsaseq.SeqEvent expected");
    return NULL;
  }

  snd_seq_event_output(self->handle, seqevent->event);

  Py_RETURN_NONE;
}

/** alsaseq.Sequencer drain_output() method: __doc__ */
PyDoc_STRVAR(Sequencer_drain_output__doc__,
  "drain_output()\n"
  "\n"
  "Drain the output, making sure all events int the buffer are sent.\n"
  "The events sent may remain unprocessed, to make sure they are\n"
  "processed, call the sync_output_queue() method.\n"
  "\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't drain the output"
);

/** alsaseq.Sequencer drain_output() method */
static PyObject *Sequencer_drain_output(SequencerObject *self,
					PyObject *args) {
  int ret;

  ret = snd_seq_drain_output(self->handle);
  if (ret < 0) {
    RAISESND(ret, "Failed to drain output");
    return NULL;
  }

  Py_RETURN_NONE;
}

/** alsaseq.Sequencer sync_output_queue() method: __doc__ */
PyDoc_STRVAR(Sequencer_sync_output_queue__doc__,
  "sync_output_queue()\n"
  "\n"
  "Waits until all events of this clients are processed.\n"
  "\n"
  "Raises:\n"
  "  SequencerError: if an ALSA error occurs."
);

/** alsaseq.Sequencer sync_output_queue() method */
static PyObject *
Sequencer_sync_output_queue(SequencerObject *self,
			    PyObject *args) {
  int ret;

  ret = snd_seq_sync_output_queue(self->handle);
  if (ret < 0) {
    RAISESND(ret, "Failed to sync output queue");
    return NULL;
  }

  Py_RETURN_NONE;
}


/** alsaseq.Sequencer parse_address() method: __doc__ */
PyDoc_STRVAR(Sequencer_parse_address__doc__,
  "parse_address(string) -> tuple\n"
  "\n"
  "Parses the given string as an ALSA client:port. You can use client,\n"
  "port id's or names.\n"
  "\n"
  "Parameters:\n"
  "  string -- the address in the format client:port.\n"
  "Returns:\n"
  "  the tuple (client_id, port_id).\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't parse the given address"
);

/** alsaseq.Sequencer parse_address() method */
static PyObject *
Sequencer_parse_address(SequencerObject *self,
			PyObject *args) {
  snd_seq_addr_t addr;
  char *str = NULL;
  int ret;

  if (!PyArg_ParseTuple(args, "s", &(str))) {
    return NULL;
  }

  ret = snd_seq_parse_address(self->handle, &addr, str);
  if (ret < 0) {
    RAISESND(ret, "Invalid client:port specification '%s'", str);
    return NULL;
  }

  PyObject *tuple = PyTuple_New(2);
  PyTuple_SetItem(tuple, 0, PyInt_FromLong(addr.client));
  PyTuple_SetItem(tuple, 1, PyInt_FromLong(addr.port));

  return tuple;
}

/** alsaseq.Sequencer create_queue() method: __doc__ */
PyDoc_STRVAR(Sequencer_create_queue__doc__,
  "create_queue(name=None)-> int\n"
  "\n"
  "Creates a queue with the optional given name.\n"
  "\n"
  "Parameters:\n"
  "  name -- the name of the queue.\n"
  "Returns:\n"
  "  the queue id.\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't create the queue"
);

/** alsaseq.Sequencer create_queue() method */
static PyObject *
Sequencer_create_queue(SequencerObject *self,
		       PyObject *args,
		       PyObject *kwds) {
  char *kwlist[] = {"name", NULL};
  char *queue_name = NULL;
  int ret;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "|s", kwlist,
				   &queue_name)) {
    return NULL;
  }

  if (queue_name != NULL) {
    ret = snd_seq_alloc_named_queue(self->handle, queue_name);
  } else {
    ret = snd_seq_alloc_queue(self->handle);
  }

  if (ret < 0) {
    RAISESND(ret, "Failed to create queue");
    return NULL;
  }

  return PyInt_FromLong(ret);
}

/** alsaseq.Sequencer delete_queue() method: __doc__ */
PyDoc_STRVAR(Sequencer_delete_queue__doc__,
  "delete_queue(queue)\n"
  "\n"
  "Deletes (frees) a queue.\n"
  "\n"
  "Parameters:\n"
  "  queue -- the queue id.\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't delete the queue."
);

/** alsaseq.Sequencer delete_queue() method */
static PyObject *
Sequencer_delete_queue(SequencerObject *self,
		       PyObject *args,
		       PyObject *kwds) {
  char *kwlist[] = {"queue", NULL};
  int queue_id;
  int ret;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", kwlist,
				   &queue_id)) {
    return NULL;
  }

  ret = snd_seq_free_queue(self->handle, queue_id);
  if (ret < 0) {
    RAISESND(ret, "Failed to create queue");
    return NULL;
  }

  Py_RETURN_NONE;
}


/** alsaseq.Sequencer queue_tempo() method: __doc__ */
PyDoc_STRVAR(Sequencer_queue_tempo__doc__,
  "queue_tempo(queue, tempo=None, ppq=None) -> tuple"
  "\n"
  "Query and changes the queue tempo. For querying (not changing) the queue\n"
  "tempo, pass only the queue id.\n"
  "\n"
  "Parameters:\n"
  "  queue -- the queue id.\n"
  "  tempo -- the new queue tempo or None for keeping the current tempo.\n"
  "  ppq -- the new queue ppq or None for keeping the current tempo.\n"
  "Returns:\n"
  "  a tuple (tempo, ppq) with the current or changed tempo.\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't change the queue tempo or an invalid\n"
  "                  queue was specified."
);

/** alsaseq.Sequencer queue_tempo() method */
static PyObject *
Sequencer_queue_tempo(SequencerObject *self,
		      PyObject *args,
		      PyObject *kwds) {
  char *kwlist[] = {"queue", "tempo", "ppq", NULL};
  int queueid, tempo=-1, ppq=-1;
  int ret;
  snd_seq_queue_tempo_t *queue_tempo;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "i|ii", kwlist,
				   &queueid, &tempo, &ppq)) {
    return NULL;
  }

  snd_seq_queue_tempo_alloca(&queue_tempo);
  ret = snd_seq_get_queue_tempo(self->handle, queueid, queue_tempo);
  if (ret < 0) {
    RAISESND(ret, "Failed to retrieve current queue tempo");
    return NULL;
  }

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "i|ii", kwlist,
				   &queueid, &tempo, &ppq)) {
    return NULL;
  }

  if (tempo != -1) {
    snd_seq_queue_tempo_set_tempo(queue_tempo, tempo);
  }
  if (ppq != -1) {
    snd_seq_queue_tempo_set_ppq(queue_tempo, ppq);
  }

  if (tempo != -1 && ppq != -1) {
    ret = snd_seq_set_queue_tempo(self->handle, queueid, queue_tempo);
    if (ret < 0) {
      RAISESND(ret, "Failed to set queue tempo");
      return NULL;
    }
  }

  tempo = snd_seq_queue_tempo_get_tempo(queue_tempo);
  ppq = snd_seq_queue_tempo_get_ppq(queue_tempo);

  PyObject *tuple = PyTuple_New(2);
  PyTuple_SetItem(tuple, 0, PyInt_FromLong(tempo));
  PyTuple_SetItem(tuple, 1, PyInt_FromLong(ppq));

  return tuple;
}

/** alsaseq.Sequencer start_queue() method: __doc__ */
PyDoc_STRVAR(Sequencer_start_queue__doc__,
  "start_queue(queue)\n"
  "\n"
  "Starts the specified queue.\n"
  "\n"
  "Parameters:\n"
  "  queue -- the queue id.\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't start the queue."
);

/** alsaseq.Sequencer start_queue() method */
static PyObject *
Sequencer_start_queue(SequencerObject *self,
		      PyObject *args,
		      PyObject *kwds) {
  char *kwlist[] = {"queue", NULL};
  int queueid;
  int ret;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", kwlist,
				   &queueid)) {
    return NULL;
  }

  ret = snd_seq_start_queue(self->handle, queueid, NULL);
  if (ret < 0) {
    RAISESND(ret, "Failed to start queue");
    return NULL;
  }

  Py_RETURN_NONE;
}

/** alsaseq.Sequencer stop_queue() method: __doc__ */
PyDoc_STRVAR(Sequencer_stop_queue__doc__,
  "stop_queue(queue)\n"
  "\n"
  "Stops the specified queue.\n"
  "\n"
  "Parameters:\n"
  "  queue -- the queue id.\n"
  "Raises:\n"
  "  SequencerError: if ALSA can't stop the queue."
);

/** alsaseq.Sequencer stop_queue() method */
static PyObject *
Sequencer_stop_queue(SequencerObject *self,
		      PyObject *args,
		      PyObject *kwds) {
  char *kwlist[] = {"queue", NULL};
  int queueid;
  int ret;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", kwlist,
				   &queueid)) {
    return NULL;
  }

  ret = snd_seq_stop_queue(self->handle, queueid, NULL);
  if (ret < 0) {
    RAISESND(ret, "Failed to stop queue");
    return NULL;
  }

  Py_RETURN_NONE;
}

PyDoc_STRVAR(Sequencer_registerpoll__doc__,
"register_poll(pollObj, input=False, output=False) -- Register poll file descriptors.");

static PyObject *
Sequencer_registerpoll(SequencerObject *self, PyObject *args, PyObject *kwds)
{
    PyObject *pollObj, *reg, *t;
    struct pollfd *pfd;
    int i, count;
    int input = 0;
    int output = 0;
    int mode = POLLIN|POLLOUT;

    static char * kwlist[] = { "pollObj", "input", "output", NULL };

    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|ii", kwlist, &pollObj, &input, &output))
        return NULL;

    if (input && !output)
        mode = POLLIN;
    else if (!input && output)
        mode = POLLOUT;

    count = snd_seq_poll_descriptors_count(self->handle, mode);
    if (count <= 0)
        Py_RETURN_NONE;
    pfd = alloca(sizeof(struct pollfd) * count);
    count = snd_seq_poll_descriptors(self->handle, pfd, count, mode);
    if (count <= 0)
        Py_RETURN_NONE;

    reg = PyObject_GetAttrString(pollObj, "register");
    if (!reg)
        return NULL;

    for (i = 0; i < count; i++) {
        t = PyTuple_New(2);
        if (!t) {
            Py_DECREF(reg);
            return NULL;
        }
        PyTuple_SET_ITEM(t, 0, PyInt_FromLong(pfd[i].fd));
        PyTuple_SET_ITEM(t, 1, PyInt_FromLong(pfd[i].events));
        Py_XDECREF(PyObject_CallObject(reg, t));
        Py_DECREF(t);
    }

    Py_DECREF(reg);

    Py_RETURN_NONE;
}



/** alsaseq.Sequencer tp_methods */
static PyMethodDef Sequencer_methods[] = {
  {"create_simple_port",
   (PyCFunction) Sequencer_create_simple_port,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_create_simple_port__doc__ },
  {"connection_list",
   (PyCFunction) Sequencer_connection_list,
   METH_VARARGS,
   Sequencer_connection_list__doc__ },
  {"get_client_info",
   (PyCFunction) Sequencer_get_client_info,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_get_client_info__doc__ },
  {"get_port_info",
   (PyCFunction) Sequencer_get_port_info,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_get_port_info__doc__ },
  {"connect_ports",
   (PyCFunction) Sequencer_connect_ports,
   METH_VARARGS,
   Sequencer_connect_ports__doc__ },
  {"disconnect_ports",
   (PyCFunction) Sequencer_disconnect_ports,
   METH_VARARGS,
   Sequencer_disconnect_ports__doc__ },
  {"get_connect_info",
   (PyCFunction) Sequencer_get_connect_info,
   METH_VARARGS,
   Sequencer_get_connect_info__doc__},
  {"receive_events",
   (PyCFunction) Sequencer_receive_events,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_receive_events__doc__},
  {"output_event",
   (PyCFunction) Sequencer_output_event,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_output_event__doc__},
  {"drain_output",
   (PyCFunction) Sequencer_drain_output,
   METH_VARARGS,
   Sequencer_drain_output__doc__},
  {"sync_output_queue",
   (PyCFunction) Sequencer_sync_output_queue,
   METH_VARARGS,
   Sequencer_sync_output_queue__doc__},
  {"parse_address",
   (PyCFunction) Sequencer_parse_address,
   METH_VARARGS,
   Sequencer_parse_address__doc__},
  {"create_queue",
   (PyCFunction) Sequencer_create_queue,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_create_queue__doc__},
  {"delete_queue",
   (PyCFunction) Sequencer_delete_queue,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_delete_queue__doc__},
  {"queue_tempo",
   (PyCFunction) Sequencer_queue_tempo,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_queue_tempo__doc__},
  {"start_queue",
   (PyCFunction) Sequencer_start_queue,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_start_queue__doc__},
  {"stop_queue",
   (PyCFunction) Sequencer_stop_queue,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_stop_queue__doc__},
  {"register_poll",
   (PyCFunction) Sequencer_registerpoll,
   METH_VARARGS | METH_KEYWORDS,
   Sequencer_registerpoll__doc__},
  {NULL}
};

/** alsaseq.Sequencer type */
static PyTypeObject SequencerType = {
  PyVarObject_HEAD_INIT(NULL, 0)
  tp_name: "alsaseq.Sequencer",
  tp_basicsize: sizeof(SequencerObject),
  tp_dealloc: (destructor) Sequencer_dealloc,
  tp_flags: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
  tp_doc: Sequencer__doc__,
  tp_init: (initproc) Sequencer_init,
  tp_new: PyType_GenericNew,
  tp_alloc: PyType_GenericAlloc,
  tp_free: PyObject_Del,
  tp_repr: (reprfunc) Sequencer_repr,
  tp_methods: Sequencer_methods,
  tp_getset: Sequencer_getset
};





//////////////////////////////////////////////////////////////////////////////
// alsaseq module implementation
//////////////////////////////////////////////////////////////////////////////

/** alsaseq module: __doc__ */
char alsaseq__doc__ [] =
  "libasound alsaseq wrapper"
  ;

/** alsaseq module methods */
static PyMethodDef alsaseq_methods[] = {
  { NULL },
};

MOD_INIT(alsaseq)
{
  PyObject *module;

  if (PyType_Ready(&ConstantType) < 0)
    return MOD_ERROR_VAL;

  if (PyType_Ready(&SeqEventType) < 0)
    return MOD_ERROR_VAL;

  if (PyType_Ready(&SequencerType) < 0)
    return MOD_ERROR_VAL;

  MOD_DEF(module, "alsaseq", alsaseq__doc__, alsaseq_methods);

  if (module == NULL)
    return MOD_ERROR_VAL;

  SequencerError = PyErr_NewException("alsaseq.SequencerError", NULL, NULL);
  if (SequencerError == NULL)
    return MOD_ERROR_VAL;

  Py_INCREF(SequencerError);
  PyModule_AddObject(module, "SequencerError", SequencerError);

  Py_INCREF(&SeqEventType);
  PyModule_AddObject(module, "SeqEvent", (PyObject *) &SeqEventType);

  Py_INCREF(&SequencerType);
  PyModule_AddObject(module, "Sequencer", (PyObject *) &SequencerType);

  Py_INCREF(&ConstantType);
  PyModule_AddObject(module, "Constant", (PyObject *) &ConstantType);

  /* misc constants */
  PyModule_AddStringConstant(module,
			     "SEQ_LIB_VERSION_STR",
			     SND_LIB_VERSION_STR);

  /* add Constant dictionaries to module */
  TCONSTDICTADD(module, STREAMS, "_dstreams");
  TCONSTDICTADD(module, MODE, "_dmode");
  TCONSTDICTADD(module, QUEUE, "_dqueue");
  TCONSTDICTADD(module, CLIENT_TYPE, "_dclienttype");
  TCONSTDICTADD(module, PORT_CAP, "_dportcap");
  TCONSTDICTADD(module, PORT_TYPE, "_dporttype");
  TCONSTDICTADD(module, EVENT_TYPE, "_deventtype");
  TCONSTDICTADD(module, EVENT_TIMESTAMP, "_deventtimestamp");
  TCONSTDICTADD(module, EVENT_TIMEMODE, "_deventtimemode");
  TCONSTDICTADD(module, ADDR_CLIENT, "_dclient");
  TCONSTDICTADD(module, ADDR_PORT, "_dport");

  /* Sequencer streams */
  TCONSTADD(module, STREAMS, SEQ_OPEN_OUTPUT);
  TCONSTADD(module, STREAMS, SEQ_OPEN_INPUT);
  TCONSTADD(module, STREAMS, SEQ_OPEN_DUPLEX);

  /* Sequencer blocking mode */
  # define SND_SEQ_BLOCK 0
  TCONSTADD(module, MODE, SEQ_BLOCK);
  TCONSTADD(module, MODE, SEQ_NONBLOCK);

  /* Known queue id */
  TCONSTADD(module, QUEUE, SEQ_QUEUE_DIRECT);

  /* client types */
  TCONSTADD(module, CLIENT_TYPE, SEQ_USER_CLIENT);
  TCONSTADD(module, CLIENT_TYPE, SEQ_KERNEL_CLIENT);

  /* Sequencer port cap */
  # define SND_SEQ_PORT_CAP_NONE 0
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_NONE);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_WRITE);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_SYNC_WRITE);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_SYNC_READ);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_SUBS_WRITE);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_SUBS_READ);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_READ);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_NO_EXPORT);
  TCONSTADD(module, PORT_CAP, SEQ_PORT_CAP_DUPLEX);

  /* Sequencer port type */
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_SYNTHESIZER);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_SYNTH);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_SPECIFIC);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_SOFTWARE);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_SAMPLE);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_PORT);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_MIDI_XG);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_MIDI_MT32);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_MIDI_GS);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_MIDI_GM2);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_MIDI_GM);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_MIDI_GENERIC);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_HARDWARE);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_DIRECT_SAMPLE);
  TCONSTADD(module, PORT_TYPE, SEQ_PORT_TYPE_APPLICATION);

  /* SeqEvent event type */
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SYSTEM);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_RESULT);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_NOTE);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_NOTEON);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_NOTEOFF);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_KEYPRESS);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CONTROLLER);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_PGMCHANGE);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CHANPRESS);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_PITCHBEND);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CONTROL14);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_NONREGPARAM);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_REGPARAM);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SONGPOS);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SONGSEL);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_QFRAME);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_TIMESIGN);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_KEYSIGN);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_START);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CONTINUE);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_STOP);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SETPOS_TICK);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SETPOS_TIME);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_TEMPO);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CLOCK);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_TICK);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_QUEUE_SKEW);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SYNC_POS);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_TUNE_REQUEST);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_RESET);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SENSING);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_ECHO);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_OSS);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CLIENT_START);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CLIENT_EXIT);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_CLIENT_CHANGE);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_PORT_START);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_PORT_EXIT);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_PORT_CHANGE);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_PORT_SUBSCRIBED);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_PORT_UNSUBSCRIBED);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR1);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR2);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR3);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR4);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR5);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR6);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR7);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR8);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR9);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_SYSEX);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_BOUNCE);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR_VAR0);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR_VAR1);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR_VAR2);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR_VAR3);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_USR_VAR4);
  TCONSTADD(module, EVENT_TYPE, SEQ_EVENT_NONE);

  /* SeqEvent event timestamp flags */
  TCONSTADD(module, EVENT_TIMESTAMP, SEQ_TIME_STAMP_TICK);
  TCONSTADD(module, EVENT_TIMESTAMP, SEQ_TIME_STAMP_REAL);

  /* SeqEvent event timemode flags */
  TCONSTADD(module, EVENT_TIMEMODE, SEQ_TIME_MODE_ABS);
  TCONSTADD(module, EVENT_TIMEMODE, SEQ_TIME_MODE_REL);

  /* SeqEvent event addresses */
  TCONSTADD(module, ADDR_CLIENT, SEQ_CLIENT_SYSTEM);
  TCONSTADD(module, ADDR_CLIENT, SEQ_ADDRESS_BROADCAST);
  TCONSTADD(module, ADDR_CLIENT, SEQ_ADDRESS_SUBSCRIBERS);
  TCONSTADD(module, ADDR_CLIENT, SEQ_ADDRESS_UNKNOWN);
  TCONSTADD(module, ADDR_PORT, SEQ_PORT_SYSTEM_TIMER);
  TCONSTADD(module, ADDR_PORT, SEQ_PORT_SYSTEM_ANNOUNCE);
  TCONSTADD(module, ADDR_PORT, SEQ_ADDRESS_BROADCAST);
  TCONSTADD(module, ADDR_PORT, SEQ_ADDRESS_SUBSCRIBERS);
  TCONSTADD(module, ADDR_PORT, SEQ_ADDRESS_UNKNOWN);

  return MOD_SUCCESS_VAL(module);
}