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/*
* Python binding for the ALSA library - mixer
* Copyright (c) 2007 by Jaroslav Kysela <perex@perex.cz>
*
*
* 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 "sys/poll.h"
#include "stdlib.h"
#include "alsa/asoundlib.h"
static int element_callback(snd_mixer_elem_t *elem, unsigned int mask);
static PyObject *module;
#if 0
static PyObject *buildin;
#endif
static PyInterpreterState *main_interpreter;
/*
*
*/
#define PYALSAMIXER(v) (((v) == Py_None) ? NULL : \
((struct pyalsamixer *)(v)))
struct pyalsamixer {
PyObject_HEAD
snd_mixer_t *handle;
};
static PyObject *
pyalsamixer_getcount(struct pyalsamixer *self, void *priv)
{
return PyLong_FromLong(snd_mixer_get_count(self->handle));
}
PyDoc_STRVAR(attach__doc__,
"attach(card=None, [, abstract=]) -- Attach mixer to a sound card.");
static PyObject *
pyalsamixer_attach(struct pyalsamixer *self, PyObject *args, PyObject *kwds)
{
char *card = "default";
int abstract = -1, res;
static char * kwlist[] = { "card", "abstract", NULL };
struct snd_mixer_selem_regopt *options = NULL, _options;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|si", kwlist, &card, &abstract))
Py_RETURN_NONE;
if (abstract < 0) {
res = snd_mixer_attach(self->handle, card);
if (res < 0)
return PyErr_Format(PyExc_RuntimeError, "Cannot attach card '%s': %s", card, snd_strerror(-res));
abstract = -1;
}
if (abstract >= 0) {
memset(&_options, 0, sizeof(_options));
_options.ver = 1;
_options.abstract = abstract;
_options.device = card;
options = &_options;
}
res = snd_mixer_selem_register(self->handle, options, NULL);
if (res < 0)
return PyErr_Format(PyExc_RuntimeError, "Cannot register simple mixer (abstract %i): %s", abstract, snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(load__doc__,
"load() -- Load mixer elements.");
static PyObject *
pyalsamixer_load(struct pyalsamixer *self, PyObject *args)
{
int res = snd_mixer_load(self->handle);
if (res < 0)
return PyErr_Format(PyExc_RuntimeError, "Cannot load mixer elements: %s", snd_strerror(-res));
return Py_BuildValue("i", res);
}
PyDoc_STRVAR(free__doc__,
"free() -- Free mixer elements and all related resources.");
static PyObject *
pyalsamixer_free(struct pyalsamixer *self, PyObject *args)
{
snd_mixer_free(self->handle);
Py_RETURN_NONE;
}
PyDoc_STRVAR(handlevents__doc__,
"handle_events() -- Process waiting mixer events (and call appropriate callbacks).");
static PyObject *
pyalsamixer_handleevents(struct pyalsamixer *self, PyObject *args)
{
int err;
Py_BEGIN_ALLOW_THREADS;
err = snd_mixer_handle_events(self->handle);
Py_END_ALLOW_THREADS;
if (err < 0)
PyErr_Format(PyExc_IOError,
"Alsamixer handle events error: %s", strerror(-err));
Py_RETURN_NONE;
}
PyDoc_STRVAR(registerpoll__doc__,
"register_poll(pollObj) -- Register poll file descriptors.");
static PyObject *
pyalsamixer_registerpoll(struct pyalsamixer *self, PyObject *args)
{
PyObject *pollObj, *reg, *t;
struct pollfd *pfd;
int i, count;
if (!PyArg_ParseTuple(args, "O", &pollObj))
return NULL;
count = snd_mixer_poll_descriptors_count(self->handle);
if (count <= 0)
Py_RETURN_NONE;
pfd = alloca(sizeof(struct pollfd) * count);
count = snd_mixer_poll_descriptors(self->handle, pfd, count);
if (count <= 0)
Py_RETURN_NONE;
reg = PyObject_GetAttr(pollObj, InternFromString("register"));
for (i = 0; i < count; i++) {
t = PyTuple_New(2);
if (t) {
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_XDECREF(reg);
Py_RETURN_NONE;
}
static PyObject *
pyalsamixer_getpollfds(struct pyalsamixer *self, void *priv)
{
PyObject *l, *t;
struct pollfd *pfds;
int i, count;
count = snd_mixer_poll_descriptors_count(self->handle);
if (count < 0) {
pfds_error:
PyErr_Format(PyExc_IOError, "poll descriptors error: %s", snd_strerror(count));
return NULL;
}
pfds = alloca(sizeof(struct pollfd) * count);
count = snd_mixer_poll_descriptors(self->handle, pfds, count);
if (count < 0)
goto pfds_error;
l = PyList_New(count);
if (!l)
return NULL;
for (i = 0; i < count; ++i) {
t = PyTuple_New(2);
if (t) {
PyTuple_SET_ITEM(t, 0, PyInt_FromLong(pfds[i].fd));
PyTuple_SET_ITEM(t, 1, PyInt_FromLong(pfds[i].events));
PyList_SetItem(l, i, t);
}
}
return l;
}
PyDoc_STRVAR(list__doc__,
"list() -- Return a list (tuple) of element IDs in (name,index) tuple.");
static PyObject *
pyalsamixer_list(struct pyalsamixer *self, PyObject *args)
{
PyObject *t, *v;
int i, count;
snd_mixer_elem_t *elem;
count = snd_mixer_get_count(self->handle);
t = PyTuple_New(count);
if (count == 0)
return t;
elem = snd_mixer_first_elem(self->handle);
for (i = 0; i < count; i++) {
v = NULL;
if (elem) {
v = PyTuple_New(2);
PyTuple_SET_ITEM(v, 0, PyUnicode_FromString(snd_mixer_selem_get_name(elem)));
PyTuple_SET_ITEM(v, 1, PyInt_FromLong(snd_mixer_selem_get_index(elem)));
}
if (v == NULL || elem == NULL) {
v = Py_None;
Py_INCREF(v);
}
PyTuple_SET_ITEM(t, i, v);
elem = snd_mixer_elem_next(elem);
}
return t;
}
PyDoc_STRVAR(alsamixerinit__doc__,
"Mixer([mode=0])\n"
" -- Open an ALSA mixer device.\n");
static int
pyalsamixer_init(struct pyalsamixer *pymix, PyObject *args, PyObject *kwds)
{
int mode = 0, err;
static char * kwlist[] = { "mode", NULL };
pymix->handle = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i", kwlist, &mode))
return -1;
err = snd_mixer_open(&pymix->handle, mode);
if (err < 0) {
PyErr_Format(PyExc_IOError,
"Alsamixer open error: %s", strerror(-err));
return -1;
}
return 0;
}
static void
pyalsamixer_dealloc(struct pyalsamixer *self)
{
if (self->handle != NULL)
snd_mixer_close(self->handle);
Py_TYPE(self)->tp_free((PyObject*)self);
}
static PyGetSetDef pyalsamixer_getseters[] = {
{"count", (getter)pyalsamixer_getcount, NULL, "mixer element count", NULL},
{"poll_fds", (getter)pyalsamixer_getpollfds, NULL, "list of (fd, eventbits) tuples", NULL},
{NULL}
};
static PyMethodDef pyalsamixer_methods[] = {
{"attach", (PyCFunction)pyalsamixer_attach, METH_VARARGS|METH_KEYWORDS, attach__doc__},
{"load", (PyCFunction)pyalsamixer_load, METH_NOARGS, load__doc__},
{"free", (PyCFunction)pyalsamixer_free, METH_NOARGS, free__doc__},
{"list", (PyCFunction)pyalsamixer_list, METH_NOARGS, list__doc__},
{"handle_events",(PyCFunction)pyalsamixer_handleevents, METH_NOARGS, handlevents__doc__},
{"register_poll",(PyCFunction)pyalsamixer_registerpoll, METH_VARARGS, registerpoll__doc__},
{NULL}
};
static PyTypeObject pyalsamixer_type = {
PyVarObject_HEAD_INIT(NULL, 0)
tp_name: "alsamixer.Mixer",
tp_basicsize: sizeof(struct pyalsamixer),
tp_dealloc: (destructor)pyalsamixer_dealloc,
tp_flags: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
tp_doc: alsamixerinit__doc__,
tp_getset: pyalsamixer_getseters,
tp_init: (initproc)pyalsamixer_init,
tp_alloc: PyType_GenericAlloc,
tp_new: PyType_GenericNew,
tp_free: PyObject_Del,
tp_methods: pyalsamixer_methods,
};
/*
* mixer element section
*/
#define PYALSAMIXERELEMENT(v) (((v) == Py_None) ? NULL : \
((struct pyalsamixerelement *)(v)))
struct pyalsamixerelement {
PyObject_HEAD
PyObject *pyhandle;
PyObject *callback;
snd_mixer_t *handle;
snd_mixer_elem_t *elem;
};
static PyObject *
pyalsamixerelement_getname(struct pyalsamixerelement *pyelem, void *priv)
{
return PyUnicode_FromString(snd_mixer_selem_get_name(pyelem->elem));
}
static PyObject *
pyalsamixerelement_getindex(struct pyalsamixerelement *pyelem, void *priv)
{
return PyInt_FromLong(snd_mixer_selem_get_index(pyelem->elem));
}
typedef unsigned int (*fcn1)(void *);
static PyObject *
pyalsamixerelement_bool(struct pyalsamixerelement *pyelem, void *fcn)
{
int res = ((fcn1)fcn)(pyelem->elem);
if (res > 0)
Py_RETURN_TRUE;
else
Py_RETURN_FALSE;
}
static PyObject *
pyalsamixerelement_getcapgroup(struct pyalsamixerelement *pyelem, void *priv)
{
return PyInt_FromLong(snd_mixer_selem_get_capture_group(pyelem->elem));
}
PyDoc_STRVAR(ismono__doc__,
"is_mono([capture=False]]) -- Return if this control is mono.");
static PyObject *
pyalsamixerelement_ismono(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_is_playback_mono(pyelem->elem);
else
res = snd_mixer_selem_is_capture_mono(pyelem->elem);
if (res > 0)
Py_RETURN_TRUE;
else
Py_RETURN_FALSE;
}
PyDoc_STRVAR(haschannel__doc__,
"has_channel([channel=channel_id['MONO'], [capture=False]]) -- Return if channel exists.");
static PyObject *
pyalsamixerelement_haschannel(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, chn = SND_MIXER_SCHN_MONO;
if (!PyArg_ParseTuple(args, "|ii", &chn, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_has_playback_channel(pyelem->elem, chn);
else
res = snd_mixer_selem_has_capture_channel(pyelem->elem, chn);
if (res > 0)
Py_RETURN_TRUE;
else
Py_RETURN_FALSE;
}
PyDoc_STRVAR(hasvolume__doc__,
"has_volume([capture=False]]) -- Return if volume exists.\n"
"Note: String 'Joined' is returned when volume is joined.");
static PyObject *
pyalsamixerelement_hasvolume(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_has_playback_volume(pyelem->elem);
else
res = snd_mixer_selem_has_capture_volume(pyelem->elem);
if (res > 0) {
if (dir == 0)
res = snd_mixer_selem_has_playback_volume_joined(pyelem->elem);
else
res = snd_mixer_selem_has_capture_volume_joined(pyelem->elem);
if (res > 0)
return Py_BuildValue("s", "Joined");
Py_RETURN_TRUE;
} else {
Py_RETURN_FALSE;
}
}
PyDoc_STRVAR(hasswitch__doc__,
"has_switch([capture=False]) -- Return if switch exists."
"Note: String 'Joined' is returned when switch is joined.");
static PyObject *
pyalsamixerelement_hasswitch(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_has_playback_switch(pyelem->elem);
else
res = snd_mixer_selem_has_capture_switch(pyelem->elem);
if (res > 0) {
if (dir == 0)
res = snd_mixer_selem_has_playback_switch_joined(pyelem->elem);
else
res = snd_mixer_selem_has_capture_switch_joined(pyelem->elem);
if (res > 0)
return Py_BuildValue("s", "Joined");
Py_RETURN_TRUE;
} else {
Py_RETURN_FALSE;
}
}
PyDoc_STRVAR(askvoldB__doc__,
"ask_volume_dB(value, [capture=False]]) -- Convert integer volume to dB value.");
static PyObject *
pyalsamixerelement_askvoldB(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0;
long volume, val;
if (!PyArg_ParseTuple(args, "|li", &volume, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_ask_playback_vol_dB(pyelem->elem, volume, &val);
else
res = snd_mixer_selem_ask_capture_vol_dB(pyelem->elem, volume, &val);
if (res < 0) {
PyErr_Format(PyExc_RuntimeError, "Cannot convert mixer volume (capture=%s, value=%li): %s", dir ? "True" : "False", volume, snd_strerror(-res));
Py_RETURN_NONE;
}
return PyInt_FromLong(val);
}
PyDoc_STRVAR(askdBvol__doc__,
"ask_dB_volume(dBvalue, [[direction=-1], [capture=False]]) -- Convert integer volume to dB value.");
static PyObject *
pyalsamixerelement_askdBvol(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, xdir = -1, dir = 0;
long dBvolume, val;
if (!PyArg_ParseTuple(args, "|lii", &dBvolume, &xdir, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_ask_playback_dB_vol(pyelem->elem, dBvolume, xdir, &val);
else
res = snd_mixer_selem_ask_capture_dB_vol(pyelem->elem, dBvolume, xdir, &val);
if (res < 0) {
PyErr_Format(PyExc_RuntimeError, "Cannot convert mixer volume (capture=%s, dBvalue=%li, direction=%i): %s", dir ? "True" : "False", dBvolume, xdir, snd_strerror(-res));
Py_RETURN_NONE;
}
return PyInt_FromLong(val);
}
PyDoc_STRVAR(getvolume__doc__,
"get_volume([channel=ChannelId['MONO'], [capture=False]]) -- Get volume.");
static PyObject *
pyalsamixerelement_getvolume(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, chn = SND_MIXER_SCHN_MONO;
long val;
if (!PyArg_ParseTuple(args, "|ii", &chn, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_get_playback_volume(pyelem->elem, chn, &val);
else
res = snd_mixer_selem_get_capture_volume(pyelem->elem, chn, &val);
if (res < 0) {
PyErr_Format(PyExc_RuntimeError, "Cannot get mixer volume (capture=%s, channel=%i): %s", dir ? "True" : "False", chn, snd_strerror(-res));
Py_RETURN_NONE;
}
return PyInt_FromLong(val);
}
PyDoc_STRVAR(getvolumetuple__doc__,
"get_volume_tuple([capture=False]]) -- Get volume and store result to tuple.");
static PyObject *
pyalsamixerelement_getvolumetuple(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, i, last;
long val;
PyObject *t;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0) {
if (snd_mixer_selem_is_playback_mono(pyelem->elem)) {
t = PyTuple_New(1);
if (!t)
return NULL;
res = snd_mixer_selem_get_playback_volume(pyelem->elem, SND_MIXER_SCHN_MONO, &val);
if (res >= 0)
PyTuple_SET_ITEM(t, 0, PyInt_FromLong(val));
} else {
t = PyTuple_New(SND_MIXER_SCHN_LAST+1);
if (!t)
return NULL;
for (i = last = 0; i <= SND_MIXER_SCHN_LAST; i++) {
res = -1;
if (snd_mixer_selem_has_playback_channel(pyelem->elem, i)) {
res = snd_mixer_selem_get_playback_volume(pyelem->elem, i, &val);
if (res >= 0) {
while (last < i) {
Py_INCREF(Py_None);
PyTuple_SET_ITEM(t, last, Py_None);
last++;
}
PyTuple_SET_ITEM(t, i, PyInt_FromLong(val));
last++;
}
}
}
_PyTuple_Resize(&t, last);
}
} else {
if (snd_mixer_selem_is_capture_mono(pyelem->elem)) {
t = PyTuple_New(1);
if (!t)
return NULL;
res = snd_mixer_selem_get_capture_volume(pyelem->elem, SND_MIXER_SCHN_MONO, &val);
if (res >= 0)
PyTuple_SET_ITEM(t, 0, PyInt_FromLong(val));
} else {
t = PyTuple_New(SND_MIXER_SCHN_LAST+1);
if (!t)
return NULL;
for (i = last = 0; i <= SND_MIXER_SCHN_LAST; i++) {
res = -1;
if (snd_mixer_selem_has_capture_channel(pyelem->elem, i)) {
res = snd_mixer_selem_get_capture_volume(pyelem->elem, i, &val);
if (res >= 0) {
while (last < i) {
Py_INCREF(Py_None);
PyTuple_SET_ITEM(t, last, Py_None);
last++;
}
PyTuple_SET_ITEM(t, i, PyInt_FromLong(val));
}
}
}
_PyTuple_Resize(&t, last);
}
}
return t;
}
PyDoc_STRVAR(getvolumearray__doc__,
"get_volume_array([capture=False]]) -- Get volume and store result to array.");
static PyObject *
pyalsamixerelement_getvolumearray(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, i, last;
long val;
PyObject *t, *l;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0) {
if (snd_mixer_selem_is_playback_mono(pyelem->elem)) {
t = PyList_New(1);
if (!t)
return NULL;
res = snd_mixer_selem_get_playback_volume(pyelem->elem, SND_MIXER_SCHN_MONO, &val);
if (res >= 0)
PyList_SetItem(t, 0, PyInt_FromLong(val));
} else {
t = PyList_New(SND_MIXER_SCHN_LAST+1);
if (!t)
return NULL;
for (i = last = 0; i <= SND_MIXER_SCHN_LAST; i++) {
res = -1;
if (snd_mixer_selem_has_playback_channel(pyelem->elem, i)) {
res = snd_mixer_selem_get_playback_volume(pyelem->elem, i, &val);
if (res >= 0) {
while (last < i) {
Py_INCREF(Py_None);
PyList_SetItem(t, last, Py_None);
last++;
}
PyList_SetItem(t, i, PyInt_FromLong(val));
last++;
}
}
}
l = PyList_GetSlice(t, 0, last);
Py_DECREF(t);
t = l;
}
} else {
if (snd_mixer_selem_is_capture_mono(pyelem->elem)) {
t = PyList_New(1);
if (!t)
return NULL;
res = snd_mixer_selem_get_capture_volume(pyelem->elem, SND_MIXER_SCHN_MONO, &val);
if (res >= 0)
PyList_SET_ITEM(t, 0, PyInt_FromLong(val));
} else {
t = PyList_New(SND_MIXER_SCHN_LAST+1);
if (!t)
return NULL;
for (i = last = 0; i <= SND_MIXER_SCHN_LAST; i++) {
res = -1;
if (snd_mixer_selem_has_capture_channel(pyelem->elem, i)) {
res = snd_mixer_selem_get_capture_volume(pyelem->elem, i, &val);
if (res >= 0) {
while (last < i) {
Py_INCREF(Py_None);
PyList_SetItem(t, last, Py_None);
last++;
}
PyList_SetItem(t, i, PyInt_FromLong(val));
}
}
}
l = PyList_GetSlice(t, 0, last);
Py_DECREF(t);
t = l;
}
}
return t;
}
PyDoc_STRVAR(setvolume__doc__,
"set_volume(value, [channel=ChannelId['MONO'], [capture=False]]) -- Set volume.");
static PyObject *
pyalsamixerelement_setvolume(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, chn = SND_MIXER_SCHN_MONO;
long val;
if (!PyArg_ParseTuple(args, "l|ii", &val, &chn, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_set_playback_volume(pyelem->elem, chn, val);
else
res = snd_mixer_selem_set_capture_volume(pyelem->elem, chn, val);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer volume (capture=%s, channel=%i, value=%li): %s", dir ? "True" : "False", chn, val, snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(setvolumetuple__doc__,
"set_volume_tuple(value, [capture=False]]) -- Set volume level from tuple.");
PyDoc_STRVAR(setvolumearray__doc__,
"set_volume_array(value, [capture=False]]) -- Set volume level from array.");
static PyObject *
pyalsamixerelement_setvolumetuple(struct pyalsamixerelement *pyelem, PyObject *args)
{
PyObject *t, *o;
int i, res, dir = 0;
long val;
if (!PyArg_ParseTuple(args, "O|i", &t, &dir))
return NULL;
if (!PyTuple_Check(t) && !PyList_Check(t))
return PyErr_Format(PyExc_RuntimeError, "Volume values in tuple are expected!");
if (PyTuple_Check(t)) {
for (i = 0; i < PyTuple_Size(t); i++) {
o = PyTuple_GetItem(t, i);
if (o == Py_None)
continue;
if (get_long(o, &val))
break;
if (dir == 0)
res = snd_mixer_selem_set_playback_volume(pyelem->elem, i, val);
else
res = snd_mixer_selem_set_capture_volume(pyelem->elem, i, val);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer volume (capture=%s, channel=%i, value=%li): %s", dir ? "True" : "False", i, val, snd_strerror(-res));
}
} else {
for (i = 0; i < PyList_Size(t); i++) {
o = PyList_GetItem(t, i);
if (o == Py_None)
continue;
if (get_long(o, &val))
break;
if (dir == 0)
res = snd_mixer_selem_set_playback_volume(pyelem->elem, i, val);
else
res = snd_mixer_selem_set_capture_volume(pyelem->elem, i, val);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer volume (capture=%s, channel=%i, value=%li): %s", dir ? "True" : "False", i, val, snd_strerror(-res));
}
}
Py_DECREF(t);
Py_RETURN_NONE;
}
PyDoc_STRVAR(setvolumeall__doc__,
"set_volume_all(value, [capture=False]]) -- Set volume for all channels.");
static PyObject *
pyalsamixerelement_setvolumeall(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0;
long val;
if (!PyArg_ParseTuple(args, "l|i", &val, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_set_playback_volume_all(pyelem->elem, val);
else
res = snd_mixer_selem_set_capture_volume_all(pyelem->elem, val);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer volume (capture=%s, value=%li): %s", dir ? "True" : "False", val, snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(getrange__doc__,
"get_volume_range([capture=False]]) -- Get volume range in (min,max) tuple.");
static PyObject *
pyalsamixerelement_getrange(struct pyalsamixerelement *pyelem, PyObject *args)
{
int dir = 0, res;
long min, max;
PyObject *t;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_get_playback_volume_range(pyelem->elem, &min, &max);
else
res = snd_mixer_selem_get_capture_volume_range(pyelem->elem, &min, &max);
if (res < 0)
return PyErr_Format(PyExc_RuntimeError, "Cannot get mixer volume range (capture=%s): %s", dir ? "True" : "False", snd_strerror(-res));
t = PyTuple_New(2);
if (!t)
Py_RETURN_NONE;
PyTuple_SET_ITEM(t, 0, PyInt_FromLong(min));
PyTuple_SET_ITEM(t, 1, PyInt_FromLong(max));
return t;
}
PyDoc_STRVAR(setrange__doc__,
"set_volume_range(min, max, [capture=False]]) -- Set volume range limits.");
static PyObject *
pyalsamixerelement_setrange(struct pyalsamixerelement *pyelem, PyObject *args)
{
int dir = 0, res;
long min, max;
if (!PyArg_ParseTuple(args, "ll|i", &min, &max, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_set_playback_volume_range(pyelem->elem, min, max);
else
res = snd_mixer_selem_set_capture_volume_range(pyelem->elem, min, max);
if (res < 0)
return PyErr_Format(PyExc_RuntimeError, "Cannot set mixer volume range (min=%li,max=%li,capture=%s): %s", min, max, dir ? "True" : "False", snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(getswitch__doc__,
"get_switch([channel=ChannelId['MONO'], [capture=False]]) -- Get switch state.");
static PyObject *
pyalsamixerelement_getswitch(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, chn = SND_MIXER_SCHN_MONO, val;
if (!PyArg_ParseTuple(args, "|ii", &chn, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_get_playback_switch(pyelem->elem, chn, &val);
else
res = snd_mixer_selem_get_capture_switch(pyelem->elem, chn, &val);
if (res < 0) {
PyErr_Format(PyExc_RuntimeError, "Cannot get mixer volume (capture=%s, channel=%i): %s", dir ? "True" : "False", chn, snd_strerror(-res));
Py_RETURN_NONE;
}
if (val) {
Py_RETURN_TRUE;
} else {
Py_RETURN_FALSE;
}
}
PyDoc_STRVAR(getswitchtuple__doc__,
"get_switch_tuple([capture=False]]) -- Get switch state and store result to tuple.");
static PyObject *
pyalsamixerelement_getswitchtuple(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, i, last, val;
PyObject *t;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0) {
if (snd_mixer_selem_is_playback_mono(pyelem->elem)) {
t = PyTuple_New(1);
if (!t)
return NULL;
res = snd_mixer_selem_get_playback_switch(pyelem->elem, SND_MIXER_SCHN_MONO, &val);
if (res >= 0)
PyTuple_SET_ITEM(t, 0, get_bool(val));
} else {
t = PyTuple_New(SND_MIXER_SCHN_LAST+1);
if (!t)
return NULL;
for (i = last = 0; i <= SND_MIXER_SCHN_LAST; i++) {
res = -1;
if (snd_mixer_selem_has_playback_channel(pyelem->elem, i)) {
res = snd_mixer_selem_get_playback_switch(pyelem->elem, i, &val);
if (res >= 0) {
while (last < i) {
Py_INCREF(Py_None);
PyTuple_SET_ITEM(t, last, Py_None);
last++;
}
PyTuple_SET_ITEM(t, i, get_bool(val));
last++;
}
}
}
_PyTuple_Resize(&t, last);
}
} else {
if (snd_mixer_selem_is_capture_mono(pyelem->elem)) {
t = PyTuple_New(1);
if (!t)
return NULL;
res = snd_mixer_selem_get_capture_switch(pyelem->elem, SND_MIXER_SCHN_MONO, &val);
if (res >= 0)
PyTuple_SET_ITEM(t, 0, get_bool(val));
} else {
t = PyTuple_New(SND_MIXER_SCHN_LAST+1);
if (!t)
return NULL;
for (i = last = 0; i <= SND_MIXER_SCHN_LAST; i++) {
res = -1;
if (snd_mixer_selem_has_capture_channel(pyelem->elem, i)) {
res = snd_mixer_selem_get_capture_switch(pyelem->elem, i, &val);
if (res >= 0) {
while (last < i) {
Py_INCREF(Py_None);
PyTuple_SET_ITEM(t, last, Py_None);
last++;
}
PyTuple_SET_ITEM(t, i, get_bool(val));
}
}
}
_PyTuple_Resize(&t, last);
}
}
return t;
}
PyDoc_STRVAR(setswitch__doc__,
"set_switch(value, [channel=ChannelId['MONO'], [capture=False]]) -- Set switch state.");
static PyObject *
pyalsamixerelement_setswitch(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, chn = SND_MIXER_SCHN_MONO, val;
if (!PyArg_ParseTuple(args, "i|ii", &val, &chn, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_set_playback_switch(pyelem->elem, chn, val);
else
res = snd_mixer_selem_set_capture_switch(pyelem->elem, chn, val);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer switch (capture=%s, channel=%i, value=%i): %s", dir ? "True" : "False", chn, val, snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(setswitchtuple__doc__,
"set_switch_tuple(value, [capture=False]]) -- Set switch state from tuple.");
static PyObject *
pyalsamixerelement_setswitchtuple(struct pyalsamixerelement *pyelem, PyObject *args)
{
PyObject *t, *o;
int i, res, dir = 0, val;
if (!PyArg_ParseTuple(args, "O|i", &t, &dir))
return NULL;
if (!PyTuple_Check(t))
return PyErr_Format(PyExc_RuntimeError, "Switch state values in tuple are expected!");
for (i = 0; i < PyTuple_Size(t); i++) {
o = PyTuple_GetItem(t, i);
if (o == Py_None)
continue;
val = PyObject_IsTrue(o);
if (dir == 0)
res = snd_mixer_selem_set_playback_switch(pyelem->elem, i, val);
else
res = snd_mixer_selem_set_capture_switch(pyelem->elem, i, val);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer switch (capture=%s, channel=%i, value=%i): %s", dir ? "True" : "False", i, val, snd_strerror(-res));
}
Py_DECREF(t);
Py_RETURN_NONE;
}
PyDoc_STRVAR(setswitchall__doc__,
"set_switch_all(value, [capture=False]]) -- Set switch for all channels.");
static PyObject *
pyalsamixerelement_setswitchall(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, val;
if (!PyArg_ParseTuple(args, "i|i", &val, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_set_playback_switch_all(pyelem->elem, val);
else
res = snd_mixer_selem_set_capture_switch_all(pyelem->elem, val);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer switch state (capture=%s, value=%i): %s", dir ? "True" : "False", val, snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(getvolumedb__doc__,
"get_volume_dB([channel=ChannelId['MONO'], [capture=False]]) -- Get volume in dB.");
static PyObject *
pyalsamixerelement_getvolumedb(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, chn = SND_MIXER_SCHN_MONO;
long val;
if (!PyArg_ParseTuple(args, "|ii", &chn, &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_get_playback_dB(pyelem->elem, chn, &val);
else
res = snd_mixer_selem_get_capture_dB(pyelem->elem, chn, &val);
if (res < 0) {
PyErr_Format(PyExc_RuntimeError, "Cannot get mixer volume in dB (capture=%s, channel=%i): %s", dir ? "True" : "False", chn, snd_strerror(-res));
Py_RETURN_NONE;
}
return Py_BuildValue("i", res);
}
PyDoc_STRVAR(setvolumedb__doc__,
"set_volume_dB(value, [channel=ChannelId['MONO'], [capture=False], [dir=0]]) -- Set volume in dB.");
static PyObject *
pyalsamixerelement_setvolumedb(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, dir1 = 0, chn = SND_MIXER_SCHN_MONO;
long val;
if (!PyArg_ParseTuple(args, "l|iii", &val, &chn, &dir, &dir1))
return NULL;
if (dir == 0)
res = snd_mixer_selem_set_playback_dB(pyelem->elem, chn, val, dir1);
else
res = snd_mixer_selem_set_capture_dB(pyelem->elem, chn, val, dir1);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer volume in dB (capture=%s, channel=%i, value=%li): %s", dir ? "True" : "False", chn, val, snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(setvolumealldb__doc__,
"set_volume_all_dB(value, [[capture=False], [dir=0]]) -- Set volume for all channels in dB.");
static PyObject *
pyalsamixerelement_setvolumealldb(struct pyalsamixerelement *pyelem, PyObject *args)
{
int res, dir = 0, dir1 = 0;
long val;
if (!PyArg_ParseTuple(args, "l|ii", &val, &dir, &dir1))
return NULL;
if (dir == 0)
res = snd_mixer_selem_set_playback_dB_all(pyelem->elem, val, dir1);
else
res = snd_mixer_selem_set_capture_dB_all(pyelem->elem, val, dir1);
if (res < 0)
PyErr_Format(PyExc_RuntimeError, "Cannot set mixer volume in dB (capture=%s, value=%li): %s", dir ? "True" : "False", val, snd_strerror(-res));
Py_RETURN_NONE;
}
PyDoc_STRVAR(getrangedb__doc__,
"get_volume_range_dB([capture=False]]) -- Get volume range in dB in (min,max) tuple.");
static PyObject *
pyalsamixerelement_getrangedb(struct pyalsamixerelement *pyelem, PyObject *args)
{
int dir = 0, res;
long min, max;
PyObject *t;
if (!PyArg_ParseTuple(args, "|i", &dir))
return NULL;
if (dir == 0)
res = snd_mixer_selem_get_playback_dB_range(pyelem->elem, &min, &max);
else
res = snd_mixer_selem_get_capture_dB_range(pyelem->elem, &min, &max);
if (res < 0)
return PyErr_Format(PyExc_RuntimeError, "Cannot get mixer volume range in dB (capture=%s): %s", dir ? "True" : "False", snd_strerror(-res));
t = PyTuple_New(2);
if (!t)
Py_RETURN_NONE;
PyTuple_SET_ITEM(t, 0, PyInt_FromLong(min));
PyTuple_SET_ITEM(t, 1, PyInt_FromLong(max));
return t;
}
PyDoc_STRVAR(setcallback__doc__,
"set_callback(callObj) -- Set callback object.\n"
"Note: callObj might have callObj.callback attribute.\n");
static PyObject *
pyalsamixerelement_setcallback(struct pyalsamixerelement *pyelem, PyObject *args)
{
PyObject *o;
if (!PyArg_ParseTuple(args, "O", &o))
return NULL;
if (o == Py_None) {
Py_XDECREF(pyelem->callback);
pyelem->callback = NULL;
snd_mixer_elem_set_callback(pyelem->elem, NULL);
} else {
Py_INCREF(o);
pyelem->callback = o;
snd_mixer_elem_set_callback_private(pyelem->elem, pyelem);
snd_mixer_elem_set_callback(pyelem->elem, element_callback);
}
Py_RETURN_NONE;
}
PyDoc_STRVAR(elementinit__doc__,
"Element(mixer, name[, index=0])\n"
" -- Create a mixer element object.\n"
"\n"
"You may specify simple name and index like:\n"
"element(mixer, \"PCM\", 0)\n");
static int
pyalsamixerelement_init(struct pyalsamixerelement *pyelem, PyObject *args, PyObject *kwds)
{
PyObject *mixer;
char *name;
int index = 0;
snd_mixer_selem_id_t *id;
static char * kwlist[] = { "mixer", "name", "index", NULL };
snd_mixer_selem_id_alloca(&id);
pyelem->pyhandle = NULL;
pyelem->handle = NULL;
pyelem->elem = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "Os|i",
kwlist, &mixer, &name, &index))
return -1;
if (mixer->ob_type != &pyalsamixer_type) {
PyErr_SetString(PyExc_TypeError, "bad type for mixer argument");
return -1;
}
pyelem->pyhandle = mixer;
Py_INCREF(mixer);
pyelem->handle = PYALSAMIXER(mixer)->handle;
snd_mixer_selem_id_set_name(id, name);
snd_mixer_selem_id_set_index(id, index);
pyelem->elem = snd_mixer_find_selem(pyelem->handle, id);
if (pyelem->elem == NULL) {
PyErr_Format(PyExc_IOError, "cannot find mixer element '%s',%i", name, index);
return -1;
}
return 0;
}
static void
pyalsamixerelement_dealloc(struct pyalsamixerelement *self)
{
if (self->elem) {
Py_XDECREF(self->callback);
snd_mixer_elem_set_callback(self->elem, NULL);
}
Py_XDECREF(self->pyhandle);
Py_TYPE(self)->tp_free((PyObject*)self);
}
static PyGetSetDef pyalsamixerelement_getseters[] = {
{"name", (getter)pyalsamixerelement_getname, NULL, "mixer element name", NULL},
{"index", (getter)pyalsamixerelement_getindex, NULL, "mixer element index", NULL},
{"is_active", (getter)pyalsamixerelement_bool, NULL, "element is in active status", snd_mixer_selem_is_active},
{"is_enumerated",(getter)pyalsamixerelement_bool, NULL, "element is enumerated type", snd_mixer_selem_is_enumerated},
{"has_common_volume",(getter)pyalsamixerelement_bool, NULL, "element has common volume control", snd_mixer_selem_has_common_volume},
{"has_common_switch",(getter)pyalsamixerelement_bool, NULL, "element has common switch control", snd_mixer_selem_has_common_switch},
{"has_capture_switch_exclusive", (getter)pyalsamixerelement_bool, NULL, "element has exclusive capture switch", snd_mixer_selem_has_capture_switch_exclusive},
{"get_capture_group",(getter)pyalsamixerelement_getcapgroup, NULL, "element get capture group", NULL},
{NULL}
};
static PyMethodDef pyalsamixerelement_methods[] = {
{"ask_volume_dB",(PyCFunction)pyalsamixerelement_askvoldB, METH_VARARGS, askvoldB__doc__},
{"ask_dB_volume",(PyCFunction)pyalsamixerelement_askdBvol, METH_VARARGS, askdBvol__doc__},
{"get_volume", (PyCFunction)pyalsamixerelement_getvolume, METH_VARARGS, getvolume__doc__},
{"get_volume", (PyCFunction)pyalsamixerelement_getvolume, METH_VARARGS, getvolume__doc__},
{"get_volume_tuple", (PyCFunction)pyalsamixerelement_getvolumetuple, METH_VARARGS,getvolumetuple__doc__},
{"get_volume_array", (PyCFunction)pyalsamixerelement_getvolumearray, METH_VARARGS,getvolumearray__doc__},
{"set_volume", (PyCFunction)pyalsamixerelement_setvolume, METH_VARARGS, setvolume__doc__},
{"set_volume_tuple", (PyCFunction)pyalsamixerelement_setvolumetuple, METH_VARARGS,setvolumetuple__doc__},
{"set_volume_array", (PyCFunction)pyalsamixerelement_setvolumetuple, METH_VARARGS,setvolumearray__doc__},
{"set_volume_all",(PyCFunction)pyalsamixerelement_setvolumeall, METH_VARARGS, setvolumeall__doc__},
{"get_volume_range", (PyCFunction)pyalsamixerelement_getrange, METH_VARARGS, getrange__doc__},
{"set_volume_range", (PyCFunction)pyalsamixerelement_setrange, METH_VARARGS, setrange__doc__},
{"get_volume_dB",(PyCFunction)pyalsamixerelement_getvolumedb, METH_VARARGS, getvolumedb__doc__},
{"set_volume_dB",(PyCFunction)pyalsamixerelement_setvolumedb, METH_VARARGS, setvolumedb__doc__},
{"set_volume_all_dB",(PyCFunction)pyalsamixerelement_setvolumealldb,METH_VARARGS, setvolumealldb__doc__},
{"get_volume_range_dB", (PyCFunction)pyalsamixerelement_getrangedb, METH_VARARGS, getrangedb__doc__},
{"get_switch", (PyCFunction)pyalsamixerelement_getswitch, METH_VARARGS, getswitch__doc__},
{"get_switch_tuple", (PyCFunction)pyalsamixerelement_getswitchtuple, METH_VARARGS,getswitchtuple__doc__},
{"set_switch", (PyCFunction)pyalsamixerelement_setswitch, METH_VARARGS, setswitch__doc__},
{"set_switch_tuple", (PyCFunction)pyalsamixerelement_setswitchtuple, METH_VARARGS,setswitchtuple__doc__},
{"set_switch_all",(PyCFunction)pyalsamixerelement_setswitchall, METH_VARARGS, setswitchall__doc__},
{"is_mono", (PyCFunction)pyalsamixerelement_ismono, METH_VARARGS, ismono__doc__},
{"has_channel", (PyCFunction)pyalsamixerelement_haschannel, METH_VARARGS, haschannel__doc__},
{"has_volume", (PyCFunction)pyalsamixerelement_hasvolume, METH_VARARGS, hasvolume__doc__},
{"has_switch", (PyCFunction)pyalsamixerelement_hasswitch, METH_VARARGS, hasswitch__doc__},
{"set_callback",(PyCFunction)pyalsamixerelement_setcallback, METH_VARARGS, setcallback__doc__},
{NULL}
};
static PyTypeObject pyalsamixerelement_type = {
PyVarObject_HEAD_INIT(NULL, 0)
tp_name: "alsamixer.Element",
tp_basicsize: sizeof(struct pyalsamixerelement),
tp_dealloc: (destructor)pyalsamixerelement_dealloc,
tp_flags: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
tp_doc: elementinit__doc__,
tp_getset: pyalsamixerelement_getseters,
tp_init: (initproc)pyalsamixerelement_init,
tp_alloc: PyType_GenericAlloc,
tp_new: PyType_GenericNew,
tp_free: PyObject_Del,
tp_methods: pyalsamixerelement_methods,
};
/*
*
*/
static PyMethodDef pyalsamixerparse_methods[] = {
{NULL}
};
MOD_INIT(alsamixer)
{
PyObject *d, *d1, *l1, *o;
int i;
if (PyType_Ready(&pyalsamixer_type) < 0)
return MOD_ERROR_VAL;
if (PyType_Ready(&pyalsamixerelement_type) < 0)
return MOD_ERROR_VAL;
MOD_DEF(module, "alsamixer", "libasound mixer wrapper", pyalsamixerparse_methods);
if (module == NULL)
return MOD_ERROR_VAL;
#if 0
buildin = PyImport_AddModule("__buildin__");
if (buildin == NULL)
return MOD_ERROR_VAL;
if (PyObject_SetAttrString(module, "__buildins__", buildin) < 0)
return MOD_ERROR_VAL;
#endif
Py_INCREF(&pyalsamixer_type);
PyModule_AddObject(module, "Mixer", (PyObject *)&pyalsamixer_type);
Py_INCREF(&pyalsamixerelement_type);
PyModule_AddObject(module, "Element", (PyObject *)&pyalsamixerelement_type);
d = PyModule_GetDict(module);
/* ---- */
d1 = PyDict_New();
#define add_space1(pname, name) { \
o = PyInt_FromLong(SND_MIXER_SCHN_##name); \
PyDict_SetItemString(d1, pname, o); \
Py_DECREF(o); }
add_space1("UNKNOWN", UNKNOWN);
add_space1("FRONT_LEFT", FRONT_LEFT);
add_space1("FRONT_RIGHT", FRONT_RIGHT);
add_space1("REAR_LEFT", REAR_LEFT);
add_space1("REAR_RIGHT", REAR_RIGHT);
add_space1("FRONT_CENTER", FRONT_CENTER);
add_space1("WOOFER", WOOFER);
add_space1("SIDE_LEFT", SIDE_LEFT);
add_space1("SIDE_RIGHT", SIDE_RIGHT);
add_space1("REAR_CENTER", REAR_CENTER);
add_space1("LAST", LAST);
add_space1("MONO", MONO);
PyDict_SetItemString(d, "channel_id", d1);
Py_DECREF(d1);
/* ---- */
l1 = PyList_New(0);
for (i = 0; i <= SND_MIXER_SCHN_LAST; i++) {
o = PyUnicode_FromString(snd_mixer_selem_channel_name(i));
PyList_Append(l1, o);
Py_DECREF(o);
}
PyDict_SetItemString(d, "channel_name", l1);
Py_DECREF(l1);
/* ---- */
d1 = PyDict_New();
#define add_space2(pname, name) { \
o = PyInt_FromLong(SND_MIXER_SABSTRACT_##name); \
PyDict_SetItemString(d1, pname, o); \
Py_DECREF(o); }
add_space2("NONE", NONE);
add_space2("BASIC", BASIC);
PyDict_SetItemString(d, "regopt_abstract", d1);
Py_DECREF(d1);
/* ---- */
d1 = PyDict_New();
#define add_space3(pname, name) { \
o = PyInt_FromLong(SND_CTL_EVENT_MASK_##name); \
PyDict_SetItemString(d1, pname, o); \
Py_DECREF(o); }
add_space3("VALUE", VALUE);
add_space3("INFO", INFO);
add_space3("ADD", ADD);
add_space3("TLV", TLV);
PyDict_SetItemString(d, "event_mask", d1);
Py_DECREF(d1);
o = PyInt_FromLong(SND_CTL_EVENT_MASK_REMOVE);
PyDict_SetItemString(d, "event_mask_remove", o);
Py_DECREF(o);
/* ---- */
main_interpreter = PyThreadState_Get()->interp;
if (PyErr_Occurred())
Py_FatalError("Cannot initialize module alsamixer");
return MOD_SUCCESS_VAL(module);
}
/*
* element event callback
*/
static int element_callback(snd_mixer_elem_t *elem, unsigned int mask)
{
struct pyalsamixerelement *pyelem;
PyObject *o, *t, *r;
int res = 0, inside = 1;
CALLBACK_VARIABLES;
if (elem == NULL)
return -EINVAL;
pyelem = snd_mixer_elem_get_callback_private(elem);
if (pyelem == NULL || pyelem->callback == NULL)
return -EINVAL;
CALLBACK_INIT;
o = PyObject_GetAttr(pyelem->callback, InternFromString("callback"));
if (!o) {
PyErr_Clear();
o = pyelem->callback;
inside = 0;
}
t = PyTuple_New(2);
if (t) {
PyTuple_SET_ITEM(t, 0, (PyObject *)pyelem);
Py_INCREF(pyelem);
PyTuple_SET_ITEM(t, 1, PyInt_FromLong(mask));
r = PyObject_CallObject(o, t);
Py_DECREF(t);
if (r) {
if (PyLong_Check(r)) {
res = PyLong_AsLong(r);
}
#if PY_MAJOR_VERSION < 3
else if (PyInt_Check(r)) {
res = PyInt_AsLong(r);
}
#endif
else if (r == Py_None) {
res = 0;
}
Py_DECREF(r);
} else {
PyErr_Print();
PyErr_Clear();
res = -EIO;
}
}
if (inside) {
Py_DECREF(o);
}
CALLBACK_DONE;
return res;
}
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