jack_mixer_c.c

   1 /*
   2  * This file is part of jack_mixer
   3  *
   4  * Copyright (C) 2009 Frederic Peters <fpeters@0d.be>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include <Python.h>
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <stdbool.h>
  25
  26 #include <structmember.h>
  27
  28 #include "jack_mixer.h"
  29
  30
  31 /** Scale Type **/
  32
  33 typedef struct {
  34         PyObject_HEAD
  35         jack_mixer_scale_t scale;
  36 } ScaleObject;
  37
  38 static void
  39 Scale_dealloc(ScaleObject *self)
  40 {
  41         if (self->scale)
  42                 scale_destroy(self->scale);
  43         Py_TYPE(self)->tp_free((PyObject*)self);
  44 }
  45
  46 static int
  47 Scale_init(ScaleObject *self, PyObject *args, PyObject *kwds)
  48 {
  49         self->scale = scale_create();
  50         return 0;
  51 }
  52
  53 static PyObject*
  54 Scale_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
  55 {
  56         ScaleObject *self;
  57
  58         self = (ScaleObject*)type->tp_alloc(type, 0);
  59
  60         return (PyObject*)self;
  61 }
  62
  63 static PyObject*
  64 Scale_add_threshold(ScaleObject *self, PyObject *args)
  65 {
  66         float db, scale_value;
  67
  68         if (! PyArg_ParseTuple(args, "ff", &db, &scale_value)) return NULL;
  69
  70         scale_add_threshold(self->scale, db, scale_value);
  71
  72         Py_INCREF(Py_None);
  73         return Py_None;
  74 }
  75
  76 static PyObject*
  77 Scale_calculate_coefficients(ScaleObject *self, PyObject *args)
  78 {
  79         if (! PyArg_ParseTuple(args, "")) return NULL;
  80         scale_calculate_coefficients(self->scale);
  81         Py_INCREF(Py_None);
  82         return Py_None;
  83 }
  84
  85 static PyObject*
  86 Scale_db_to_scale(ScaleObject *self, PyObject *args)
  87 {
  88         double db;
  89         if (! PyArg_ParseTuple(args, "d", &db)) return NULL;
  90         return PyFloat_FromDouble(scale_db_to_scale(self->scale, db));
  91 }
  92
  93 static PyObject*
  94 Scale_scale_to_db(ScaleObject *self, PyObject *args)
  95 {
  96         double scale_value;
  97         if (! PyArg_ParseTuple(args, "d", &scale_value)) return NULL;
  98         return PyFloat_FromDouble(scale_scale_to_db(self->scale, scale_value));
  99 }
 100
 101 static PyMethodDef Scale_methods[] = {
 102         {"add_threshold", (PyCFunction)Scale_add_threshold, METH_VARARGS, "Add threshold"},
 103         {"calculate_coefficients", (PyCFunction)Scale_calculate_coefficients,
 104                 METH_VARARGS, "Calculate coefficients"},
 105         {"db_to_scale", (PyCFunction)Scale_db_to_scale, METH_VARARGS, "dB to scale"},
 106         {"scale_to_db", (PyCFunction)Scale_scale_to_db, METH_VARARGS, "scale to dB"},
 107         {NULL}
 108 };
 109
 110 static PyTypeObject ScaleType = {
 111         PyVarObject_HEAD_INIT(NULL, 0)
 112         "jack_mixer_c.Scale",    /*tp_name*/
 113         sizeof(ScaleObject), /*tp_basicsize*/
 114         0,       /*tp_itemsize*/
 115         (destructor)Scale_dealloc,       /*tp_dealloc*/
 116         0,       /*tp_print*/
 117         0,       /*tp_getattr*/
 118         0,       /*tp_setattr*/
 119         0,       /*tp_compare*/
 120         0,       /*tp_repr*/
 121         0,       /*tp_as_number*/
 122         0,       /*tp_as_sequence*/
 123         0,       /*tp_as_mapping*/
 124         0,       /*tp_hash */
 125         0,       /*tp_call*/
 126         0,       /*tp_str*/
 127         0,       /*tp_getattro*/
 128         0,       /*tp_setattro*/
 129         0,       /*tp_as_buffer*/
 130         Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,  /*tp_flags*/
 131         "Scale objects",           /* tp_doc */
 132         0,                         /* tp_traverse */
 133         0,                         /* tp_clear */
 134         0,                         /* tp_richcompare */
 135         0,                         /* tp_weaklistoffset */
 136         0,                         /* tp_iter */
 137         0,                         /* tp_iternext */
 138         Scale_methods,             /* tp_methods */
 139         0,             /* tp_members */
 140         0,           /* tp_getset */
 141         0,                         /* tp_base */
 142         0,                         /* tp_dict */
 143         0,                         /* tp_descr_get */
 144         0,                         /* tp_descr_set */
 145         0,                         /* tp_dictoffset */
 146         (initproc)Scale_init,      /* tp_init */
 147         0,                         /* tp_alloc */
 148         Scale_new,                 /* tp_new */
 149 };
 150
 151
 152 /** Channel Type **/
 153
 154 typedef struct {
 155         PyObject_HEAD
 156         PyObject *midi_change_callback;
 157         jack_mixer_channel_t channel;
 158 } ChannelObject;
 159
 160 static void
 161 Channel_dealloc(ChannelObject *self)
 162 {
 163         Py_XDECREF(self->midi_change_callback);
 164         Py_TYPE(self)->tp_free((PyObject*)self);
 165 }
 166
 167 static int
 168 Channel_init(ChannelObject *self, PyObject *args, PyObject *kwds)
 169 {
 170         self->midi_change_callback = NULL;
 171         return 0;
 172 }
 173
 174 static PyObject*
 175 Channel_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 176 {
 177         ChannelObject *self;
 178
 179         self = (ChannelObject*)type->tp_alloc(type, 0);
 180
 181         if (self != NULL) {
 182                 self->channel = NULL;
 183                 self->midi_change_callback = NULL;
 184         }
 185
 186         return (PyObject*)self;
 187 }
 188
 189 static PyObject*
 190 Channel_get_is_stereo(ChannelObject *self, void *closure)
 191 {
 192         PyObject *result;
 193
 194         bool is_stereo = channel_is_stereo(self->channel);
 195         if (is_stereo) {
 196                 result = Py_True;
 197         } else {
 198                 result = Py_False;
 199         }
 200         Py_INCREF(result);
 201         return result;
 202 }
 203
 204 static PyObject*
 205 Channel_get_volume(ChannelObject *self, void *closure)
 206 {
 207         return PyFloat_FromDouble(channel_volume_read(self->channel));
 208 }
 209
 210 static int
 211 Channel_set_volume(ChannelObject *self, PyObject *value, void *closure)
 212 {
 213         if (self->channel == NULL) {
 214                 PyErr_SetString(PyExc_RuntimeError, "unitialized channel");
 215                 return -1;
 216         }
 217         channel_volume_write(self->channel, PyFloat_AsDouble(value));
 218         channel_set_midi_cc_volume_picked_up(self->channel, false);
 219         return 0;
 220 }
 221
 222 static PyObject*
 223 Channel_get_balance(ChannelObject *self, void *closure)
 224 {
 225         return PyFloat_FromDouble(channel_balance_read(self->channel));
 226 }
 227
 228 static int
 229 Channel_set_balance(ChannelObject *self, PyObject *value, void *closure)
 230 {
 231         channel_balance_write(self->channel, PyFloat_AsDouble(value));
 232         channel_set_midi_cc_balance_picked_up(self->channel, false);
 233         return 0;
 234 }
 235
 236 static PyObject*
 237 Channel_get_out_mute(ChannelObject *self, void *closure)
 238 {
 239         PyObject *result;
 240
 241         if (channel_is_out_muted(self->channel)) {
 242                 result = Py_True;
 243         } else {
 244                 result = Py_False;
 245         }
 246         Py_INCREF(result);
 247         return result;
 248 }
 249
 250 static int
 251 Channel_set_out_mute(ChannelObject *self, PyObject *value, void *closure)
 252 {
 253         if (value == Py_True) {
 254                 channel_out_mute(self->channel);
 255         } else {
 256                 channel_out_unmute(self->channel);
 257         }
 258         return 0;
 259 }
 260
 261 static PyObject*
 262 Channel_get_solo(ChannelObject *self, void *closure)
 263 {
 264         PyObject *result;
 265
 266         if (channel_is_soloed(self->channel)) {
 267                 result = Py_True;
 268         } else {
 269                 result = Py_False;
 270         }
 271         Py_INCREF(result);
 272         return result;
 273 }
 274
 275 static int
 276 Channel_set_solo(ChannelObject *self, PyObject *value, void *closure)
 277 {
 278         if (value == Py_True) {
 279                 channel_solo(self->channel);
 280         } else {
 281                 channel_unsolo(self->channel);
 282         }
 283         return 0;
 284 }
 285
 286 static PyObject*
 287 Channel_get_meter(ChannelObject *self, void *closure)
 288 {
 289         PyObject *result;
 290         double left, right;
 291
 292         if (channel_is_stereo(self->channel)) {
 293                 result = PyTuple_New(2);
 294                 channel_stereo_meter_read(self->channel, &left, &right);
 295                 PyTuple_SetItem(result, 0, PyFloat_FromDouble(left));
 296                 PyTuple_SetItem(result, 1, PyFloat_FromDouble(right));
 297         } else {
 298                 result = PyTuple_New(1);
 299                 channel_mono_meter_read(self->channel, &left);
 300                 PyTuple_SetItem(result, 0, PyFloat_FromDouble(left));
 301         }
 302         return result;
 303 }
 304
 305 static PyObject*
 306 Channel_get_abspeak(ChannelObject *self, void *closure)
 307 {
 308         return PyFloat_FromDouble(channel_abspeak_read(self->channel));
 309 }
 310
 311 static int
 312 Channel_set_abspeak(ChannelObject *self, PyObject *value, void *closure)
 313 {
 314         if (value != Py_None) {
 315                 fprintf(stderr, "abspeak can only be reset (set to None)\n");
 316                 return -1;
 317         }
 318         channel_abspeak_reset(self->channel);
 319         return 0;
 320 }
 321
 322 static int
 323 Channel_set_midi_scale(ChannelObject *self, PyObject *value, void *closure)
 324 {
 325         ScaleObject *scale_object = (ScaleObject*)value; /* XXX: check */
 326
 327         channel_set_midi_scale(self->channel, scale_object->scale);
 328         return 0;
 329 }
 330
 331
 332 static PyObject*
 333 Channel_get_midi_change_callback(ChannelObject *self, void *closure)
 334 {
 335         if (self->midi_change_callback) {
 336                 Py_INCREF(self->midi_change_callback);
 337                 return self->midi_change_callback;
 338         } else {
 339                 Py_INCREF(Py_None);
 340                 return Py_None;
 341         }
 342 }
 343
 344 static void
 345 channel_midi_callback(void *userdata)
 346 {
 347         ChannelObject *self = (ChannelObject*)userdata;
 348         PyGILState_STATE gstate;
 349
 350         gstate = PyGILState_Ensure();
 351         PyObject_CallObject(self->midi_change_callback, NULL);
 352         PyGILState_Release(gstate);
 353 }
 354
 355 static int
 356 Channel_set_midi_change_callback(ChannelObject *self, PyObject *value, void *closure)
 357 {
 358         if (value == Py_None) {
 359                 self->midi_change_callback = NULL;
 360                 channel_set_midi_change_callback(self->channel, NULL, NULL);
 361         } else {
 362                 if (!PyCallable_Check(value)) {
 363                         PyErr_SetString(PyExc_TypeError, "value must be callable");
 364                         return -1;
 365                 }
 366                 if (self->midi_change_callback) {
 367                         Py_XDECREF(self->midi_change_callback);
 368                 }
 369                 Py_INCREF(value);
 370                 self->midi_change_callback = value;
 371                 channel_set_midi_change_callback(self->channel,
 372                                 channel_midi_callback, self);
 373         }
 374
 375         return 0;
 376 }
 377
 378 static PyObject*
 379 Channel_get_name(ChannelObject *self, void *closure)
 380 {
 381         return PyUnicode_FromString(channel_get_name(self->channel));
 382 }
 383
 384 static int
 385 Channel_set_name(ChannelObject *self, PyObject *value, void *closure)
 386 {
 387         channel_rename(self->channel, PyUnicode_AsUTF8(value));
 388         return 0;
 389 }
 390
 391 static PyObject*
 392 Channel_get_balance_midi_cc(ChannelObject *self, void *closure)
 393 {
 394         return PyLong_FromLong(channel_get_balance_midi_cc(self->channel));
 395 }
 396
 397 static int
 398 Channel_set_balance_midi_cc(ChannelObject *self, PyObject *value, void *closure)
 399 {
 400         int new_cc;
 401         unsigned int result;
 402
 403         new_cc = PyLong_AsLong(value);
 404         result = channel_set_balance_midi_cc(self->channel, new_cc);
 405         if (result == 0) {
 406                 return 0;
 407         }
 408         if (result == 2) {
 409                 PyErr_SetString(PyExc_RuntimeError, "value out of range");
 410         }
 411         return -1;
 412 }
 413
 414 static PyObject*
 415 Channel_get_volume_midi_cc(ChannelObject *self, void *closure)
 416 {
 417         return PyLong_FromLong(channel_get_volume_midi_cc(self->channel));
 418 }
 419
 420 static int
 421 Channel_set_volume_midi_cc(ChannelObject *self, PyObject *value, void *closure)
 422 {
 423         int new_cc;
 424         unsigned int result;
 425
 426         new_cc = PyLong_AsLong(value);
 427         result = channel_set_volume_midi_cc(self->channel, new_cc);
 428         if (result == 0) {
 429                 return 0;
 430         }
 431         if (result == 2) {
 432                 PyErr_SetString(PyExc_RuntimeError, "value out of range");
 433         }
 434         return -1;
 435 }
 436
 437 static PyObject*
 438 Channel_get_mute_midi_cc(ChannelObject *self, void *closure)
 439 {
 440         return PyLong_FromLong(channel_get_mute_midi_cc(self->channel));
 441 }
 442
 443 static int
 444 Channel_set_mute_midi_cc(ChannelObject *self, PyObject *value, void *closure)
 445 {
 446         int new_cc;
 447         unsigned int result;
 448
 449         new_cc = PyLong_AsLong(value);
 450         result = channel_set_mute_midi_cc(self->channel, new_cc);
 451         if (result == 0) {
 452                 return 0;
 453         }
 454         if (result == 2) {
 455                 PyErr_SetString(PyExc_RuntimeError, "value out of range");
 456         }
 457         return -1;
 458 }
 459
 460 static PyObject*
 461 Channel_get_solo_midi_cc(ChannelObject *self, void *closure)
 462 {
 463         return PyLong_FromLong(channel_get_solo_midi_cc(self->channel));
 464 }
 465
 466 static int
 467 Channel_set_solo_midi_cc(ChannelObject *self, PyObject *value, void *closure)
 468 {
 469         int new_cc;
 470         unsigned int result;
 471
 472         new_cc = PyLong_AsLong(value);
 473         result = channel_set_solo_midi_cc(self->channel, new_cc);
 474         if (result == 0) {
 475                 return 0;
 476         }
 477         if (result == 2) {
 478                 PyErr_SetString(PyExc_RuntimeError, "value out of range");
 479         }
 480         return -1;
 481 }
 482
 483 static PyObject*
 484 Channel_get_midi_in_got_events(ChannelObject *self, void *closure)
 485 {
 486         PyObject *result;
 487
 488         if (channel_get_midi_in_got_events(self->channel)) {
 489                 result = Py_True;
 490         } else {
 491                 result = Py_False;
 492         }
 493         Py_INCREF(result);
 494         return result;
 495 }
 496
 497 static PyGetSetDef Channel_getseters[] = {
 498         {"is_stereo",
 499                 (getter)Channel_get_is_stereo, NULL,
 500                 "mono/stereo", NULL},
 501         {"volume",
 502                 (getter)Channel_get_volume, (setter)Channel_set_volume,
 503                 "volume", NULL},
 504         {"balance",
 505                 (getter)Channel_get_balance, (setter)Channel_set_balance,
 506                 "balance", NULL},
 507         {"out_mute",
 508                 (getter)Channel_get_out_mute, (setter)Channel_set_out_mute,
 509                 "out_mute", NULL},
 510         {"solo",
 511                 (getter)Channel_get_solo, (setter)Channel_set_solo,
 512                 "solo", NULL},
 513         {"meter",
 514                 (getter)Channel_get_meter, NULL,
 515                 "meter", NULL},
 516         {"abspeak",
 517                 (getter)Channel_get_abspeak, (setter)Channel_set_abspeak,
 518                 "balance", NULL},
 519         {"midi_scale",
 520                 NULL, (setter)Channel_set_midi_scale,
 521                 "midi scale", NULL},
 522         {"midi_change_callback",
 523                 (getter)Channel_get_midi_change_callback,
 524                 (setter)Channel_set_midi_change_callback,
 525                 "midi change callback", NULL},
 526         {"name",
 527                 (getter)Channel_get_name,
 528                 (setter)Channel_set_name,
 529                 "name", NULL},
 530         {"balance_midi_cc",
 531                 (getter)Channel_get_balance_midi_cc,
 532                 (setter)Channel_set_balance_midi_cc,
 533                 "Balance MIDI CC", NULL},
 534         {"volume_midi_cc",
 535                 (getter)Channel_get_volume_midi_cc,
 536                 (setter)Channel_set_volume_midi_cc,
 537                 "Volume MIDI CC", NULL},
 538         {"mute_midi_cc",
 539                 (getter)Channel_get_mute_midi_cc,
 540                 (setter)Channel_set_mute_midi_cc,
 541                 "Mute MIDI CC", NULL},
 542         {"solo_midi_cc",
 543                 (getter)Channel_get_solo_midi_cc,
 544                 (setter)Channel_set_solo_midi_cc,
 545                 "Mute MIDI CC", NULL},
 546         {"midi_in_got_events",
 547                 (getter)Channel_get_midi_in_got_events, NULL,
 548                 "Got new MIDI IN events", NULL},
 549         {NULL}
 550 };
 551
 552 static PyObject*
 553 Channel_remove(ChannelObject *self, PyObject *args)
 554 {
 555         if (! PyArg_ParseTuple(args, "")) return NULL;
 556         remove_channel(self->channel);
 557         Py_INCREF(Py_None);
 558         return Py_None;
 559 }
 560
 561 static PyObject*
 562 Channel_autoset_volume_midi_cc(ChannelObject *self, PyObject *args)
 563 {
 564         if (! PyArg_ParseTuple(args, "")) return NULL;
 565         channel_autoset_volume_midi_cc(self->channel);
 566         Py_INCREF(Py_None);
 567         return Py_None;
 568 }
 569
 570 static PyObject*
 571 Channel_autoset_balance_midi_cc(ChannelObject *self, PyObject *args)
 572 {
 573         if (! PyArg_ParseTuple(args, "")) return NULL;
 574         channel_autoset_balance_midi_cc(self->channel);
 575         Py_INCREF(Py_None);
 576         return Py_None;
 577 }
 578
 579 static PyObject*
 580 Channel_autoset_mute_midi_cc(ChannelObject *self, PyObject *args)
 581 {
 582         if (! PyArg_ParseTuple(args, "")) return NULL;
 583         channel_autoset_mute_midi_cc(self->channel);
 584         Py_INCREF(Py_None);
 585         return Py_None;
 586 }
 587
 588 static PyObject*
 589 Channel_autoset_solo_midi_cc(ChannelObject *self, PyObject *args)
 590 {
 591         if (! PyArg_ParseTuple(args, "")) return NULL;
 592         channel_autoset_solo_midi_cc(self->channel);
 593         Py_INCREF(Py_None);
 594         return Py_None;
 595 }
 596
 597 static PyMethodDef channel_methods[] = {
 598         {"remove", (PyCFunction)Channel_remove, METH_VARARGS, "Remove"},
 599         {"autoset_volume_midi_cc",
 600                 (PyCFunction)Channel_autoset_volume_midi_cc, METH_VARARGS, "Autoset Volume MIDI CC"},
 601         {"autoset_balance_midi_cc",
 602                 (PyCFunction)Channel_autoset_balance_midi_cc, METH_VARARGS, "Autoset Balance MIDI CC"},
 603         {"autoset_mute_midi_cc",
 604                 (PyCFunction)Channel_autoset_mute_midi_cc, METH_VARARGS, "Autoset Mute MIDI CC"},
 605         {"autoset_solo_midi_cc",
 606                 (PyCFunction)Channel_autoset_solo_midi_cc, METH_VARARGS, "Autoset Solo MIDI CC"},
 607         {NULL}
 608 };
 609
 610 static PyTypeObject ChannelType = {
 611         PyVarObject_HEAD_INIT(NULL, 0)
 612         "jack_mixer_c.Channel",    /*tp_name*/
 613         sizeof(ChannelObject), /*tp_basicsize*/
 614         0,       /*tp_itemsize*/
 615         (destructor)Channel_dealloc,       /*tp_dealloc*/
 616         0,       /*tp_print*/
 617         0,       /*tp_getattr*/
 618         0,       /*tp_setattr*/
 619         0,       /*tp_compare*/
 620         0,       /*tp_repr*/
 621         0,       /*tp_as_number*/
 622         0,       /*tp_as_sequence*/
 623         0,       /*tp_as_mapping*/
 624         0,       /*tp_hash */
 625         0,       /*tp_call*/
 626         0,       /*tp_str*/
 627         0,       /*tp_getattro*/
 628         0,       /*tp_setattro*/
 629         0,       /*tp_as_buffer*/
 630         Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,  /*tp_flags*/
 631         "Channel objects",           /* tp_doc */
 632         0,                         /* tp_traverse */
 633         0,                         /* tp_clear */
 634         0,                         /* tp_richcompare */
 635         0,                         /* tp_weaklistoffset */
 636         0,                         /* tp_iter */
 637         0,                         /* tp_iternext */
 638         channel_methods,           /* tp_methods */
 639         0,             /* tp_members */
 640         Channel_getseters,           /* tp_getset */
 641         0,                         /* tp_base */
 642         0,                         /* tp_dict */
 643         0,                         /* tp_descr_get */
 644         0,                         /* tp_descr_set */
 645         0,                         /* tp_dictoffset */
 646         (initproc)Channel_init,    /* tp_init */
 647         0,                         /* tp_alloc */
 648         Channel_new,                 /* tp_new */
 649 };
 650
 651 static PyObject*
 652 Channel_New(jack_mixer_channel_t channel)
 653 {
 654         ChannelObject *self;
 655         self = (ChannelObject*)PyObject_NEW(ChannelObject, &ChannelType);
 656         if (self != NULL) {
 657                 self->channel = channel;
 658                 self->midi_change_callback = NULL;
 659         }
 660         return (PyObject*)self;
 661 }
 662
 663 /** Output Channel Type **/
 664
 665 typedef struct {
 666         PyObject_HEAD
 667         PyObject *midi_change_callback;
 668         jack_mixer_output_channel_t *output_channel;
 669 } OutputChannelObject;
 670
 671 static int
 672 OutputChannel_set_prefader(OutputChannelObject *self, PyObject *value, void *closure)
 673 {
 674         if (value == Py_True) {
 675                 output_channel_set_prefader(self->output_channel, true);
 676         } else {
 677                 output_channel_set_prefader(self->output_channel, false);
 678         }
 679         return 0;
 680 }
 681
 682 static PyObject*
 683 OutputChannel_get_prefader(OutputChannelObject *self, void *closure)
 684 {
 685         PyObject *result;
 686
 687         if (output_channel_is_prefader(self->output_channel)) {
 688                 result = Py_True;
 689         } else {
 690                 result = Py_False;
 691         }
 692         Py_INCREF(result);
 693         return result;
 694 }
 695
 696 static PyGetSetDef OutputChannel_getseters[] = {
 697         {"prefader",
 698                 (getter)OutputChannel_get_prefader, (setter)OutputChannel_set_prefader,
 699                 "prefader", NULL},
 700         {NULL}
 701 };
 702
 703 static PyObject*
 704 OutputChannel_remove(OutputChannelObject *self, PyObject *args)
 705 {
 706         if (! PyArg_ParseTuple(args, "")) return NULL;
 707         remove_output_channel(self->output_channel);
 708         Py_INCREF(Py_None);
 709         return Py_None;
 710 }
 711
 712 static PyObject*
 713 OutputChannel_set_solo(OutputChannelObject *self, PyObject *args)
 714 {
 715         PyObject *channel;
 716         unsigned char solo;
 717
 718         if (! PyArg_ParseTuple(args, "Ob", &channel, &solo)) return NULL;
 719
 720         output_channel_set_solo(self->output_channel,
 721                         ((ChannelObject*)channel)->channel,
 722                         solo);
 723
 724         Py_INCREF(Py_None);
 725         return Py_None;
 726 }
 727
 728 static PyObject*
 729 OutputChannel_set_muted(OutputChannelObject *self, PyObject *args)
 730 {
 731         PyObject *channel;
 732         unsigned char muted;
 733
 734         if (! PyArg_ParseTuple(args, "Ob", &channel, &muted)) return NULL;
 735
 736         output_channel_set_muted(self->output_channel,
 737                         ((ChannelObject*)channel)->channel,
 738                         muted);
 739
 740         Py_INCREF(Py_None);
 741         return Py_None;
 742 }
 743
 744 static PyObject*
 745 OutputChannel_is_solo(OutputChannelObject *self, PyObject *args)
 746 {
 747         PyObject *channel;
 748         PyObject *result;
 749
 750         if (! PyArg_ParseTuple(args, "O", &channel)) return NULL;
 751
 752         if (output_channel_is_solo(self->output_channel,
 753                         ((ChannelObject*)channel)->channel)) {
 754                 result = Py_True;
 755         } else {
 756                 result = Py_False;
 757         }
 758
 759         Py_INCREF(result);
 760         return result;
 761 }
 762
 763 static PyObject*
 764 OutputChannel_is_muted(OutputChannelObject *self, PyObject *args)
 765 {
 766         PyObject *channel;
 767         PyObject *result;
 768
 769         if (! PyArg_ParseTuple(args, "O", &channel)) return NULL;
 770
 771         if (output_channel_is_muted(self->output_channel,
 772                         ((ChannelObject*)channel)->channel)) {
 773                 result = Py_True;
 774         } else {
 775                 result = Py_False;
 776         }
 777
 778         Py_INCREF(result);
 779         return result;
 780 }
 781
 782 static PyObject*
 783 OutputChannel_set_in_prefader(OutputChannelObject *self, PyObject *args)
 784 {
 785         PyObject *channel;
 786         unsigned char prefader;
 787
 788         if (! PyArg_ParseTuple(args, "Ob", &channel, &prefader)) return NULL;
 789
 790         output_channel_set_in_prefader(self->output_channel,
 791                         ((ChannelObject*)channel)->channel,
 792                         prefader);
 793
 794         Py_INCREF(Py_None);
 795         return Py_None;
 796 }
 797 static PyMethodDef output_channel_methods[] = {
 798         {"remove", (PyCFunction)OutputChannel_remove, METH_VARARGS, "Remove"},
 799         {"set_solo", (PyCFunction)OutputChannel_set_solo, METH_VARARGS, "Set a channel as solo"},
 800         {"set_muted", (PyCFunction)OutputChannel_set_muted, METH_VARARGS, "Set a channel as muted"},
 801         {"is_solo", (PyCFunction)OutputChannel_is_solo, METH_VARARGS, "Is a channel set as solo"},
 802         {"is_muted", (PyCFunction)OutputChannel_is_muted, METH_VARARGS, "Is a channel set as muted"},
 803         {"set_prefader", (PyCFunction)OutputChannel_set_in_prefader, METH_VARARGS, "Set a channel as prefader"},
 804         {NULL}
 805 };
 806
 807 static PyTypeObject OutputChannelType = {
 808         PyVarObject_HEAD_INIT(NULL, 0)
 809         "jack_mixer_c.OutputChannel",    /*tp_name*/
 810         sizeof(OutputChannelObject), /*tp_basicsize*/
 811         0,       /*tp_itemsize*/
 812         0,       /*tp_dealloc*/
 813         0,       /*tp_print*/
 814         0,       /*tp_getattr*/
 815         0,       /*tp_setattr*/
 816         0,       /*tp_compare*/
 817         0,       /*tp_repr*/
 818         0,       /*tp_as_number*/
 819         0,       /*tp_as_sequence*/
 820         0,       /*tp_as_mapping*/
 821         0,       /*tp_hash */
 822         0,       /*tp_call*/
 823         0,       /*tp_str*/
 824         0,       /*tp_getattro*/
 825         0,       /*tp_setattro*/
 826         0,       /*tp_as_buffer*/
 827         Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,  /*tp_flags*/
 828         "Output Channel objects",           /* tp_doc */
 829         0,                         /* tp_traverse */
 830         0,                         /* tp_clear */
 831         0,                         /* tp_richcompare */
 832         0,                         /* tp_weaklistoffset */
 833         0,                         /* tp_iter */
 834         0,                         /* tp_iternext */
 835         output_channel_methods,    /* tp_methods */
 836         0,             /* tp_members */
 837         OutputChannel_getseters,   /* tp_getset */
 838         &ChannelType,              /* tp_base */
 839         0,                         /* tp_dict */
 840         0,                         /* tp_descr_get */
 841         0,                         /* tp_descr_set */
 842         0,                         /* tp_dictoffset */
 843         0,                         /* tp_init */
 844         0,                         /* tp_alloc */
 845         0,                         /* tp_new */
 846 };
 847
 848 static PyObject*
 849 OutputChannel_New(jack_mixer_output_channel_t output_channel)
 850 {
 851         OutputChannelObject *self;
 852         self = (OutputChannelObject*)PyObject_NEW(OutputChannelObject, &OutputChannelType);
 853         if (self != NULL) {
 854                 self->midi_change_callback = NULL;
 855                 self->output_channel = output_channel;
 856         }
 857         return (PyObject*)self;
 858 }
 859
 860
 861 /** Mixer Type **/
 862
 863 typedef struct {
 864         PyObject_HEAD
 865         jack_mixer_t mixer;
 866 } MixerObject;
 867
 868 static void
 869 Mixer_dealloc(MixerObject *self)
 870 {
 871         if (self->mixer)
 872                 destroy(self->mixer);
 873         Py_TYPE(self)->tp_free((PyObject*)self);
 874 }
 875
 876 static PyObject*
 877 Mixer_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 878 {
 879         MixerObject *self;
 880
 881         self = (MixerObject*)type->tp_alloc(type, 0);
 882
 883         if (self != NULL) {
 884                 self->mixer = NULL;
 885         }
 886
 887         return (PyObject*)self;
 888 }
 889
 890 static int
 891 Mixer_init(MixerObject *self, PyObject *args, PyObject *kwds)
 892 {
 893         static char *kwlist[] = {"name", "stereo", NULL};
 894         char *name;
 895         int stereo = 1;
 896
 897         if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|b", kwlist, &name, &stereo))
 898                 return -1;
 899
 900         self->mixer = create(name, (bool)stereo);
 901         if (self->mixer == NULL) {
 902                 PyErr_SetString(PyExc_RuntimeError,
 903                                 "error creating mixer, probably jack is not running");
 904                 return -1;
 905         }
 906
 907         return 0;
 908 }
 909
 910 static PyMemberDef Mixer_members[] = {
 911         {NULL}
 912 };
 913
 914 static PyObject*
 915 Mixer_get_channels_count(MixerObject *self, void *closure)
 916 {
 917         return PyLong_FromLong(get_channels_count(self->mixer));
 918 }
 919
 920 static PyObject*
 921 Mixer_get_client_name(MixerObject *self, void *closure)
 922 {
 923         return PyUnicode_FromString(get_client_name(self->mixer));
 924 }
 925
 926 static PyObject*
 927 Mixer_get_last_midi_channel(MixerObject *self, void *closure)
 928 {
 929         return PyLong_FromLong(get_last_midi_channel(self->mixer));
 930 }
 931
 932 static int
 933 Mixer_set_last_midi_channel(MixerObject *self, PyObject *value, void *closure)
 934 {
 935         int new_channel;
 936         unsigned int result;
 937
 938         new_channel = PyLong_AsLong(value);
 939         result = set_last_midi_channel(self->mixer, new_channel);
 940         if (result == 0) {
 941                 return 0;
 942         }
 943         return -1;
 944 }
 945
 946 static PyObject*
 947 Mixer_get_midi_behavior_mode(MixerObject *self, void *closure)
 948 {
 949         return PyLong_FromLong(get_midi_behavior_mode(self->mixer));
 950 }
 951
 952 static int
 953 Mixer_set_midi_behavior_mode(MixerObject *self, PyObject *value, void *closure)
 954 {
 955         int mode;
 956         unsigned int result;
 957
 958         mode = PyLong_AsLong(value);
 959         result = set_midi_behavior_mode(self->mixer, mode);
 960         if (result == 0) {
 961                 return 0;
 962         }
 963         return -1;
 964 }
 965
 966
 967
 968 static PyGetSetDef Mixer_getseters[] = {
 969         {"channels_count", (getter)Mixer_get_channels_count, NULL,
 970                 "channels count", NULL},
 971         {"last_midi_channel", (getter)Mixer_get_last_midi_channel, (setter)Mixer_set_last_midi_channel,
 972                 "last midi channel", NULL},
 973         {"midi_behavior_mode", (getter)Mixer_get_midi_behavior_mode, (setter)Mixer_set_midi_behavior_mode,
 974                 "midi behavior mode", NULL},
 975         {NULL}
 976 };
 977
 978 static PyObject*
 979 Mixer_add_channel(MixerObject *self, PyObject *args)
 980 {
 981         char *name;
 982         int stereo;
 983         jack_mixer_channel_t channel;
 984
 985         if (! PyArg_ParseTuple(args, "si", &name, &stereo)) return NULL;
 986
 987         channel = add_channel(self->mixer, name, (bool)stereo);
 988
 989         if (channel == NULL) {
 990                 PyErr_SetString(PyExc_RuntimeError, "error adding channel");
 991                 return NULL;
 992         }
 993
 994         return Channel_New(channel);
 995 }
 996
 997 static PyObject*
 998 Mixer_add_output_channel(MixerObject *self, PyObject *args)
 999 {
1000         char *name;
1001         int stereo = 1;
1002         int system = 0;
1003         jack_mixer_output_channel_t channel;
1004
1005         if (! PyArg_ParseTuple(args, "s|bb", &name, &stereo, &system)) return NULL;
1006
1007         channel = add_output_channel(self->mixer, name, (bool)stereo, (bool)system);
1008
1009         return OutputChannel_New(channel);
1010 }
1011
1012 static PyObject*
1013 Mixer_destroy(MixerObject *self, PyObject *args)
1014 {
1015         if (self->mixer) {
1016                 destroy(self->mixer);
1017                 self->mixer = NULL;
1018         }
1019         Py_INCREF(Py_None);
1020         return Py_None;
1021 }
1022
1023 static PyMethodDef Mixer_methods[] = {
1024         {"add_channel", (PyCFunction)Mixer_add_channel, METH_VARARGS, "Add a new channel"},
1025         {"add_output_channel", (PyCFunction)Mixer_add_output_channel, METH_VARARGS, "Add a new output channel"},
1026         {"destroy", (PyCFunction)Mixer_destroy, METH_VARARGS, "Destroy JACK Mixer"},
1027         {"client_name", (PyCFunction)Mixer_get_client_name, METH_VARARGS, "Get jack client name"},
1028 //      {"remove_channel", (PyCFunction)Mixer_remove_channel, METH_VARARGS, "Remove a channel"},
1029         {NULL}
1030 };
1031
1032 static PyTypeObject MixerType = {
1033         PyVarObject_HEAD_INIT(NULL, 0)
1034         "jack_mixer_c.Mixer",    /*tp_name*/
1035         sizeof(MixerObject), /*tp_basicsize*/
1036         0,       /*tp_itemsize*/
1037         (destructor)Mixer_dealloc,       /*tp_dealloc*/
1038         0,       /*tp_print*/
1039         0,       /*tp_getattr*/
1040         0,       /*tp_setattr*/
1041         0,       /*tp_compare*/
1042         0,       /*tp_repr*/
1043         0,       /*tp_as_number*/
1044         0,       /*tp_as_sequence*/
1045         0,       /*tp_as_mapping*/
1046         0,       /*tp_hash */
1047         0,       /*tp_call*/
1048         0,       /*tp_str*/
1049         0,       /*tp_getattro*/
1050         0,       /*tp_setattro*/
1051         0,       /*tp_as_buffer*/
1052         Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,  /*tp_flags*/
1053         "Mixer objects",           /* tp_doc */
1054         0,                         /* tp_traverse */
1055         0,                         /* tp_clear */
1056         0,                         /* tp_richcompare */
1057         0,                         /* tp_weaklistoffset */
1058         0,                         /* tp_iter */
1059         0,                         /* tp_iternext */
1060         Mixer_methods,             /* tp_methods */
1061         Mixer_members,             /* tp_members */
1062         Mixer_getseters,           /* tp_getset */
1063         0,                         /* tp_base */
1064         0,                         /* tp_dict */
1065         0,                         /* tp_descr_get */
1066         0,                         /* tp_descr_set */
1067         0,                         /* tp_dictoffset */
1068         (initproc)Mixer_init,      /* tp_init */
1069         0,                         /* tp_alloc */
1070         Mixer_new,                 /* tp_new */
1071 };
1072
1073
1074 static PyMethodDef jack_mixer_methods[] = {
1075         {NULL, NULL, 0, NULL}  /* Sentinel */
1076 };
1077
1078
1079 static struct PyModuleDef moduledef = {
1080         PyModuleDef_HEAD_INIT,
1081         "jack_mixer_c",                /* m_name */
1082         "Jack Mixer C Helper Module",  /* m_doc */
1083         -1,                            /* m_size */
1084         jack_mixer_methods,            /* m_methods */
1085         NULL,                          /* m_reload */
1086         NULL,                          /* m_traverse */
1087         NULL,                          /* m_clear */
1088         NULL,                          /* m_free */
1089 };
1090
1091 PyMODINIT_FUNC PyInit_jack_mixer_c(void)
1092 {
1093         PyObject *m;
1094
1095         if (PyType_Ready(&MixerType) < 0)
1096                 return NULL;
1097         if (PyType_Ready(&ChannelType) < 0)
1098                 return NULL;
1099         if (PyType_Ready(&OutputChannelType) < 0)
1100                 return NULL;
1101         if (PyType_Ready(&ScaleType) < 0)
1102                 return NULL;
1103
1104         m = PyModule_Create(&moduledef);
1105         //m = Py_InitModule3("jack_mixer_c", jack_mixer_methods, "module doc");
1106
1107         Py_INCREF(&MixerType);
1108         PyModule_AddObject(m, "Mixer", (PyObject*)&MixerType);
1109         Py_INCREF(&ChannelType);
1110         PyModule_AddObject(m, "Channel", (PyObject*)&ChannelType);
1111         Py_INCREF(&OutputChannelType);
1112         PyModule_AddObject(m, "OutputChannel", (PyObject*)&OutputChannelType);
1113         Py_INCREF(&ScaleType);
1114         PyModule_AddObject(m, "Scale", (PyObject*)&ScaleType);
1115
1116         return m;
1117 }
1118