2 * This file is part of jack_mixer
4 * Copyright (C) 2009 Frederic Peters <fpeters@0d.be>
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
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.
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.
26 #include <structmember.h>
28 #include "jack_mixer.h"
35 jack_mixer_scale_t scale;
39 Scale_dealloc(ScaleObject *self)
42 scale_destroy(self->scale);
43 Py_TYPE(self)->tp_free((PyObject*)self);
47 Scale_init(ScaleObject *self, PyObject *args, PyObject *kwds)
49 self->scale = scale_create();
54 Scale_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
58 self = (ScaleObject*)type->tp_alloc(type, 0);
60 return (PyObject*)self;
64 Scale_add_threshold(ScaleObject *self, PyObject *args)
66 float db, scale_value;
68 if (! PyArg_ParseTuple(args, "ff", &db, &scale_value)) return NULL;
70 scale_add_threshold(self->scale, db, scale_value);
77 Scale_calculate_coefficients(ScaleObject *self, PyObject *args)
79 if (! PyArg_ParseTuple(args, "")) return NULL;
80 scale_calculate_coefficients(self->scale);
86 Scale_db_to_scale(ScaleObject *self, PyObject *args)
89 if (! PyArg_ParseTuple(args, "d", &db)) return NULL;
90 return PyFloat_FromDouble(scale_db_to_scale(self->scale, db));
94 Scale_scale_to_db(ScaleObject *self, PyObject *args)
97 if (! PyArg_ParseTuple(args, "d", &scale_value)) return NULL;
98 return PyFloat_FromDouble(scale_scale_to_db(self->scale, scale_value));
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"},
110 static PyTypeObject ScaleType = {
111 PyVarObject_HEAD_INIT(NULL, 0)
112 "jack_mixer_c.Scale", /*tp_name*/
113 sizeof(ScaleObject), /*tp_basicsize*/
115 (destructor)Scale_dealloc, /*tp_dealloc*/
122 0, /*tp_as_sequence*/
130 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
131 "Scale objects", /* tp_doc */
134 0, /* tp_richcompare */
135 0, /* tp_weaklistoffset */
138 Scale_methods, /* tp_methods */
143 0, /* tp_descr_get */
144 0, /* tp_descr_set */
145 0, /* tp_dictoffset */
146 (initproc)Scale_init, /* tp_init */
148 Scale_new, /* tp_new */
156 PyObject *midi_change_callback;
157 jack_mixer_channel_t channel;
161 Channel_dealloc(ChannelObject *self)
163 Py_XDECREF(self->midi_change_callback);
164 Py_TYPE(self)->tp_free((PyObject*)self);
168 Channel_init(ChannelObject *self, PyObject *args, PyObject *kwds)
170 self->midi_change_callback = NULL;
175 Channel_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
179 self = (ChannelObject*)type->tp_alloc(type, 0);
182 self->channel = NULL;
183 self->midi_change_callback = NULL;
186 return (PyObject*)self;
190 Channel_get_is_stereo(ChannelObject *self, void *closure)
194 bool is_stereo = channel_is_stereo(self->channel);
205 Channel_get_volume(ChannelObject *self, void *closure)
207 return PyFloat_FromDouble(channel_volume_read(self->channel));
211 Channel_set_volume(ChannelObject *self, PyObject *value, void *closure)
213 if (self->channel == NULL) {
214 PyErr_SetString(PyExc_RuntimeError, "unitialized channel");
217 channel_volume_write(self->channel, PyFloat_AsDouble(value));
222 Channel_get_balance(ChannelObject *self, void *closure)
224 return PyFloat_FromDouble(channel_balance_read(self->channel));
228 Channel_set_balance(ChannelObject *self, PyObject *value, void *closure)
230 channel_balance_write(self->channel, PyFloat_AsDouble(value));
235 Channel_get_out_mute(ChannelObject *self, void *closure)
239 if (channel_is_out_muted(self->channel)) {
249 Channel_set_out_mute(ChannelObject *self, PyObject *value, void *closure)
251 if (value == Py_True) {
252 channel_out_mute(self->channel);
254 channel_out_unmute(self->channel);
260 Channel_get_solo(ChannelObject *self, void *closure)
264 if (channel_is_soloed(self->channel)) {
274 Channel_set_solo(ChannelObject *self, PyObject *value, void *closure)
276 if (value == Py_True) {
277 channel_solo(self->channel);
279 channel_unsolo(self->channel);
285 Channel_get_meter(ChannelObject *self, void *closure)
290 if (channel_is_stereo(self->channel)) {
291 result = PyTuple_New(2);
292 channel_stereo_meter_read(self->channel, &left, &right);
293 PyTuple_SetItem(result, 0, PyFloat_FromDouble(left));
294 PyTuple_SetItem(result, 1, PyFloat_FromDouble(right));
296 result = PyTuple_New(1);
297 channel_mono_meter_read(self->channel, &left);
298 PyTuple_SetItem(result, 0, PyFloat_FromDouble(left));
304 Channel_get_abspeak(ChannelObject *self, void *closure)
306 return PyFloat_FromDouble(channel_abspeak_read(self->channel));
310 Channel_set_abspeak(ChannelObject *self, PyObject *value, void *closure)
312 if (value != Py_None) {
313 fprintf(stderr, "abspeak can only be reset (set to None)\n");
316 channel_abspeak_reset(self->channel);
321 Channel_set_midi_scale(ChannelObject *self, PyObject *value, void *closure)
323 ScaleObject *scale_object = (ScaleObject*)value; /* XXX: check */
325 channel_set_midi_scale(self->channel, scale_object->scale);
331 Channel_get_midi_change_callback(ChannelObject *self, void *closure)
333 if (self->midi_change_callback) {
334 Py_INCREF(self->midi_change_callback);
335 return self->midi_change_callback;
343 channel_midi_callback(void *userdata)
345 ChannelObject *self = (ChannelObject*)userdata;
346 PyGILState_STATE gstate;
348 gstate = PyGILState_Ensure();
349 PyObject_CallObject(self->midi_change_callback, NULL);
350 PyGILState_Release(gstate);
354 Channel_set_midi_change_callback(ChannelObject *self, PyObject *value, void *closure)
356 if (value == Py_None) {
357 self->midi_change_callback = NULL;
358 channel_set_midi_change_callback(self->channel, NULL, NULL);
360 if (!PyCallable_Check(value)) {
361 PyErr_SetString(PyExc_TypeError, "value must be callable");
364 if (self->midi_change_callback) {
365 Py_XDECREF(self->midi_change_callback);
368 self->midi_change_callback = value;
369 channel_set_midi_change_callback(self->channel,
370 channel_midi_callback, self);
377 Channel_get_name(ChannelObject *self, void *closure)
379 return PyUnicode_FromString(channel_get_name(self->channel));
383 Channel_set_name(ChannelObject *self, PyObject *value, void *closure)
385 channel_rename(self->channel, PyUnicode_AsUTF8(value));
390 Channel_get_balance_midi_cc(ChannelObject *self, void *closure)
392 return PyLong_FromLong(channel_get_balance_midi_cc(self->channel));
396 Channel_set_balance_midi_cc(ChannelObject *self, PyObject *value, void *closure)
401 new_cc = PyLong_AsLong(value);
402 result = channel_set_balance_midi_cc(self->channel, new_cc);
407 PyErr_SetString(PyExc_RuntimeError, "value out of range");
413 Channel_get_volume_midi_cc(ChannelObject *self, void *closure)
415 return PyLong_FromLong(channel_get_volume_midi_cc(self->channel));
419 Channel_set_volume_midi_cc(ChannelObject *self, PyObject *value, void *closure)
424 new_cc = PyLong_AsLong(value);
425 result = channel_set_volume_midi_cc(self->channel, new_cc);
430 PyErr_SetString(PyExc_RuntimeError, "value out of range");
436 Channel_get_mute_midi_cc(ChannelObject *self, void *closure)
438 return PyLong_FromLong(channel_get_mute_midi_cc(self->channel));
442 Channel_set_mute_midi_cc(ChannelObject *self, PyObject *value, void *closure)
447 new_cc = PyLong_AsLong(value);
448 result = channel_set_mute_midi_cc(self->channel, new_cc);
453 PyErr_SetString(PyExc_RuntimeError, "value out of range");
459 Channel_get_solo_midi_cc(ChannelObject *self, void *closure)
461 return PyLong_FromLong(channel_get_solo_midi_cc(self->channel));
465 Channel_set_solo_midi_cc(ChannelObject *self, PyObject *value, void *closure)
470 new_cc = PyLong_AsLong(value);
471 result = channel_set_solo_midi_cc(self->channel, new_cc);
476 PyErr_SetString(PyExc_RuntimeError, "value out of range");
482 Channel_get_midi_in_got_events(ChannelObject *self, void *closure)
486 if (channel_get_midi_in_got_events(self->channel)) {
495 static PyGetSetDef Channel_getseters[] = {
497 (getter)Channel_get_is_stereo, NULL,
498 "mono/stereo", NULL},
500 (getter)Channel_get_volume, (setter)Channel_set_volume,
503 (getter)Channel_get_balance, (setter)Channel_set_balance,
506 (getter)Channel_get_out_mute, (setter)Channel_set_out_mute,
509 (getter)Channel_get_solo, (setter)Channel_set_solo,
512 (getter)Channel_get_meter, NULL,
515 (getter)Channel_get_abspeak, (setter)Channel_set_abspeak,
518 NULL, (setter)Channel_set_midi_scale,
520 {"midi_change_callback",
521 (getter)Channel_get_midi_change_callback,
522 (setter)Channel_set_midi_change_callback,
523 "midi change callback", NULL},
525 (getter)Channel_get_name,
526 (setter)Channel_set_name,
529 (getter)Channel_get_balance_midi_cc,
530 (setter)Channel_set_balance_midi_cc,
531 "Balance MIDI CC", NULL},
533 (getter)Channel_get_volume_midi_cc,
534 (setter)Channel_set_volume_midi_cc,
535 "Volume MIDI CC", NULL},
537 (getter)Channel_get_mute_midi_cc,
538 (setter)Channel_set_mute_midi_cc,
539 "Mute MIDI CC", NULL},
541 (getter)Channel_get_solo_midi_cc,
542 (setter)Channel_set_solo_midi_cc,
543 "Mute MIDI CC", NULL},
544 {"midi_in_got_events",
545 (getter)Channel_get_midi_in_got_events, NULL,
546 "Got new MIDI IN events", NULL},
551 Channel_remove(ChannelObject *self, PyObject *args)
553 if (! PyArg_ParseTuple(args, "")) return NULL;
554 remove_channel(self->channel);
560 Channel_autoset_volume_midi_cc(ChannelObject *self, PyObject *args)
562 if (! PyArg_ParseTuple(args, "")) return NULL;
563 channel_autoset_volume_midi_cc(self->channel);
569 Channel_autoset_balance_midi_cc(ChannelObject *self, PyObject *args)
571 if (! PyArg_ParseTuple(args, "")) return NULL;
572 channel_autoset_balance_midi_cc(self->channel);
578 Channel_autoset_mute_midi_cc(ChannelObject *self, PyObject *args)
580 if (! PyArg_ParseTuple(args, "")) return NULL;
581 channel_autoset_mute_midi_cc(self->channel);
587 Channel_autoset_solo_midi_cc(ChannelObject *self, PyObject *args)
589 if (! PyArg_ParseTuple(args, "")) return NULL;
590 channel_autoset_solo_midi_cc(self->channel);
595 static PyMethodDef channel_methods[] = {
596 {"remove", (PyCFunction)Channel_remove, METH_VARARGS, "Remove"},
597 {"autoset_volume_midi_cc",
598 (PyCFunction)Channel_autoset_volume_midi_cc, METH_VARARGS, "Autoset Volume MIDI CC"},
599 {"autoset_balance_midi_cc",
600 (PyCFunction)Channel_autoset_balance_midi_cc, METH_VARARGS, "Autoset Balance MIDI CC"},
601 {"autoset_mute_midi_cc",
602 (PyCFunction)Channel_autoset_mute_midi_cc, METH_VARARGS, "Autoset Mute MIDI CC"},
603 {"autoset_solo_midi_cc",
604 (PyCFunction)Channel_autoset_solo_midi_cc, METH_VARARGS, "Autoset Solo MIDI CC"},
608 static PyTypeObject ChannelType = {
609 PyVarObject_HEAD_INIT(NULL, 0)
610 "jack_mixer_c.Channel", /*tp_name*/
611 sizeof(ChannelObject), /*tp_basicsize*/
613 (destructor)Channel_dealloc, /*tp_dealloc*/
620 0, /*tp_as_sequence*/
628 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
629 "Channel objects", /* tp_doc */
632 0, /* tp_richcompare */
633 0, /* tp_weaklistoffset */
636 channel_methods, /* tp_methods */
638 Channel_getseters, /* tp_getset */
641 0, /* tp_descr_get */
642 0, /* tp_descr_set */
643 0, /* tp_dictoffset */
644 (initproc)Channel_init, /* tp_init */
646 Channel_new, /* tp_new */
650 Channel_New(jack_mixer_channel_t channel)
653 self = (ChannelObject*)PyObject_NEW(ChannelObject, &ChannelType);
655 self->channel = channel;
656 self->midi_change_callback = NULL;
658 return (PyObject*)self;
661 /** Output Channel Type **/
665 PyObject *midi_change_callback;
666 jack_mixer_output_channel_t *output_channel;
667 } OutputChannelObject;
670 OutputChannel_set_prefader(OutputChannelObject *self, PyObject *value, void *closure)
672 if (value == Py_True) {
673 output_channel_set_prefader(self->output_channel, true);
675 output_channel_set_prefader(self->output_channel, false);
681 OutputChannel_get_prefader(OutputChannelObject *self, void *closure)
685 if (output_channel_is_prefader(self->output_channel)) {
694 static PyGetSetDef OutputChannel_getseters[] = {
696 (getter)OutputChannel_get_prefader, (setter)OutputChannel_set_prefader,
702 OutputChannel_remove(OutputChannelObject *self, PyObject *args)
704 if (! PyArg_ParseTuple(args, "")) return NULL;
705 remove_output_channel(self->output_channel);
711 OutputChannel_set_solo(OutputChannelObject *self, PyObject *args)
716 if (! PyArg_ParseTuple(args, "Ob", &channel, &solo)) return NULL;
718 output_channel_set_solo(self->output_channel,
719 ((ChannelObject*)channel)->channel,
727 OutputChannel_set_muted(OutputChannelObject *self, PyObject *args)
732 if (! PyArg_ParseTuple(args, "Ob", &channel, &muted)) return NULL;
734 output_channel_set_muted(self->output_channel,
735 ((ChannelObject*)channel)->channel,
743 OutputChannel_is_solo(OutputChannelObject *self, PyObject *args)
748 if (! PyArg_ParseTuple(args, "O", &channel)) return NULL;
750 if (output_channel_is_solo(self->output_channel,
751 ((ChannelObject*)channel)->channel)) {
762 OutputChannel_is_muted(OutputChannelObject *self, PyObject *args)
767 if (! PyArg_ParseTuple(args, "O", &channel)) return NULL;
769 if (output_channel_is_muted(self->output_channel,
770 ((ChannelObject*)channel)->channel)) {
780 static PyMethodDef output_channel_methods[] = {
781 {"remove", (PyCFunction)OutputChannel_remove, METH_VARARGS, "Remove"},
782 {"set_solo", (PyCFunction)OutputChannel_set_solo, METH_VARARGS, "Set a channel as solo"},
783 {"set_muted", (PyCFunction)OutputChannel_set_muted, METH_VARARGS, "Set a channel as muted"},
784 {"is_solo", (PyCFunction)OutputChannel_is_solo, METH_VARARGS, "Is a channel set as solo"},
785 {"is_muted", (PyCFunction)OutputChannel_is_muted, METH_VARARGS, "Is a channel set as muted"},
789 static PyTypeObject OutputChannelType = {
790 PyVarObject_HEAD_INIT(NULL, 0)
791 "jack_mixer_c.OutputChannel", /*tp_name*/
792 sizeof(OutputChannelObject), /*tp_basicsize*/
801 0, /*tp_as_sequence*/
809 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
810 "Output Channel objects", /* tp_doc */
813 0, /* tp_richcompare */
814 0, /* tp_weaklistoffset */
817 output_channel_methods, /* tp_methods */
819 OutputChannel_getseters, /* tp_getset */
820 &ChannelType, /* tp_base */
822 0, /* tp_descr_get */
823 0, /* tp_descr_set */
824 0, /* tp_dictoffset */
831 OutputChannel_New(jack_mixer_output_channel_t output_channel)
833 OutputChannelObject *self;
834 self = (OutputChannelObject*)PyObject_NEW(OutputChannelObject, &OutputChannelType);
836 self->midi_change_callback = NULL;
837 self->output_channel = output_channel;
839 return (PyObject*)self;
851 Mixer_dealloc(MixerObject *self)
854 destroy(self->mixer);
855 Py_TYPE(self)->tp_free((PyObject*)self);
859 Mixer_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
863 self = (MixerObject*)type->tp_alloc(type, 0);
869 return (PyObject*)self;
873 Mixer_init(MixerObject *self, PyObject *args, PyObject *kwds)
875 static char *kwlist[] = {"name", "stereo", NULL};
879 if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|b", kwlist, &name, &stereo))
882 self->mixer = create(name, (bool)stereo);
883 if (self->mixer == NULL) {
884 PyErr_SetString(PyExc_RuntimeError,
885 "error creating mixer, probably jack is not running");
892 static PyMemberDef Mixer_members[] = {
897 Mixer_get_channels_count(MixerObject *self, void *closure)
899 return PyLong_FromLong(get_channels_count(self->mixer));
903 Mixer_get_client_name(MixerObject *self, void *closure)
905 return PyUnicode_FromString(get_client_name(self->mixer));
909 Mixer_get_last_midi_channel(MixerObject *self, void *closure)
911 return PyLong_FromLong(get_last_midi_channel(self->mixer));
915 Mixer_set_last_midi_channel(MixerObject *self, PyObject *value, void *closure)
920 new_channel = PyLong_AsLong(value);
921 result = set_last_midi_channel(self->mixer, new_channel);
928 static PyGetSetDef Mixer_getseters[] = {
929 {"channels_count", (getter)Mixer_get_channels_count, NULL,
930 "channels count", NULL},
931 {"last_midi_channel", (getter)Mixer_get_last_midi_channel, (setter)Mixer_set_last_midi_channel,
932 "last midi channel", NULL},
937 Mixer_add_channel(MixerObject *self, PyObject *args)
941 jack_mixer_channel_t channel;
943 if (! PyArg_ParseTuple(args, "si", &name, &stereo)) return NULL;
945 channel = add_channel(self->mixer, name, (bool)stereo);
947 if (channel == NULL) {
948 PyErr_SetString(PyExc_RuntimeError, "error adding channel");
952 return Channel_New(channel);
956 Mixer_add_output_channel(MixerObject *self, PyObject *args)
961 jack_mixer_output_channel_t channel;
963 if (! PyArg_ParseTuple(args, "s|bb", &name, &stereo, &system)) return NULL;
965 channel = add_output_channel(self->mixer, name, (bool)stereo, (bool)system);
967 return OutputChannel_New(channel);
971 Mixer_destroy(MixerObject *self, PyObject *args)
974 destroy(self->mixer);
981 static PyMethodDef Mixer_methods[] = {
982 {"add_channel", (PyCFunction)Mixer_add_channel, METH_VARARGS, "Add a new channel"},
983 {"add_output_channel", (PyCFunction)Mixer_add_output_channel, METH_VARARGS, "Add a new output channel"},
984 {"destroy", (PyCFunction)Mixer_destroy, METH_VARARGS, "Destroy JACK Mixer"},
985 {"client_name", (PyCFunction)Mixer_get_client_name, METH_VARARGS, "Get jack client name"},
986 // {"remove_channel", (PyCFunction)Mixer_remove_channel, METH_VARARGS, "Remove a channel"},
990 static PyTypeObject MixerType = {
991 PyVarObject_HEAD_INIT(NULL, 0)
992 "jack_mixer_c.Mixer", /*tp_name*/
993 sizeof(MixerObject), /*tp_basicsize*/
995 (destructor)Mixer_dealloc, /*tp_dealloc*/
1002 0, /*tp_as_sequence*/
1003 0, /*tp_as_mapping*/
1010 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
1011 "Mixer objects", /* tp_doc */
1012 0, /* tp_traverse */
1014 0, /* tp_richcompare */
1015 0, /* tp_weaklistoffset */
1017 0, /* tp_iternext */
1018 Mixer_methods, /* tp_methods */
1019 Mixer_members, /* tp_members */
1020 Mixer_getseters, /* tp_getset */
1023 0, /* tp_descr_get */
1024 0, /* tp_descr_set */
1025 0, /* tp_dictoffset */
1026 (initproc)Mixer_init, /* tp_init */
1028 Mixer_new, /* tp_new */
1032 static PyMethodDef jack_mixer_methods[] = {
1033 {NULL, NULL, 0, NULL} /* Sentinel */
1037 static struct PyModuleDef moduledef = {
1038 PyModuleDef_HEAD_INIT,
1039 "jack_mixer_c", /* m_name */
1040 "Jack Mixer C Helper Module", /* m_doc */
1042 jack_mixer_methods, /* m_methods */
1043 NULL, /* m_reload */
1044 NULL, /* m_traverse */
1049 PyMODINIT_FUNC PyInit_jack_mixer_c(void)
1053 if (PyType_Ready(&MixerType) < 0)
1055 if (PyType_Ready(&ChannelType) < 0)
1057 if (PyType_Ready(&OutputChannelType) < 0)
1059 if (PyType_Ready(&ScaleType) < 0)
1062 m = PyModule_Create(&moduledef);
1063 //m = Py_InitModule3("jack_mixer_c", jack_mixer_methods, "module doc");
1065 Py_INCREF(&MixerType);
1066 PyModule_AddObject(m, "Mixer", (PyObject*)&MixerType);
1067 Py_INCREF(&ChannelType);
1068 PyModule_AddObject(m, "Channel", (PyObject*)&ChannelType);
1069 Py_INCREF(&OutputChannelType);
1070 PyModule_AddObject(m, "OutputChannel", (PyObject*)&OutputChannelType);
1071 Py_INCREF(&ScaleType);
1072 PyModule_AddObject(m, "Scale", (PyObject*)&ScaleType);