auracaster/sw_pyalsaaudio
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PCM.info function: added format, mode and type fields. Also added a doc string describing the info function.

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Ronald van Elburg
2020-10-28 22:01:04 +01:00
parent c8e7261e94
commit e48b294b84
1 changed files with 39 additions and 2 deletions
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alsaaudio.c
+39 -2
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@@ -676,7 +676,35 @@ alsapcm_info(alsapcm_t *self, PyObject *args)
value=PyUnicode_FromString(snd_pcm_access_name((snd_pcm_access_t)val)); value=PyUnicode_FromString(snd_pcm_access_name((snd_pcm_access_t)val));
PyDict_SetItem(info,pname,value); PyDict_SetItem(info,pname,value);
pname=PyUnicode_FromString(" (call value) type");
value = PyLong_FromUnsignedLong((unsigned long) self->pcmtype);
PyDict_SetItem(info,pname,value);
pname=PyUnicode_FromString(" (call value) type_name");
value=PyUnicode_FromString(snd_pcm_stream_name((snd_pcm_stream_t) self->pcmtype));
PyDict_SetItem(info,pname,value);
pname=PyUnicode_FromString(" (call value) mode");
value = PyLong_FromUnsignedLong((unsigned long) self->pcmmode);
PyDict_SetItem(info,pname,value);
pname=PyUnicode_FromString(" (call value) mode_name");
switch(self->pcmmode){
case 0:
value = PyUnicode_FromString("PCM_NORMAL");
break;
case SND_PCM_NONBLOCK:
value = PyUnicode_FromString("PCM_NONBLOCK");
break;
case SND_PCM_ASYNC:
value = PyUnicode_FromString("PCM_ASYNC");
break;
}
PyDict_SetItem(info,pname,value);
snd_pcm_hw_params_get_format(hwparams, &fmt); snd_pcm_hw_params_get_format(hwparams, &fmt);
pname=PyUnicode_FromString("format");
value=PyLong_FromUnsignedLong((unsigned long)fmt);
PyDict_SetItem(info,pname,value);
pname=PyUnicode_FromString("format_name"); pname=PyUnicode_FromString("format_name");
value=PyUnicode_FromString(snd_pcm_format_name(fmt)); value=PyUnicode_FromString(snd_pcm_format_name(fmt));
PyDict_SetItem(info,pname,value); PyDict_SetItem(info,pname,value);
@@ -730,7 +758,6 @@ alsapcm_info(alsapcm_t *self, PyObject *args)
pname=PyUnicode_FromString("rate_numden"); pname=PyUnicode_FromString("rate_numden");
snd_pcm_hw_params_get_rate_numden(hwparams, &val, &val2); snd_pcm_hw_params_get_rate_numden(hwparams, &val, &val2);
value=PyTuple_Pack(2,PyLong_FromUnsignedLong((unsigned long) val) \ value=PyTuple_Pack(2,PyLong_FromUnsignedLong((unsigned long) val) \
,PyLong_FromUnsignedLong((unsigned long) val2)); ,PyLong_FromUnsignedLong((unsigned long) val2));
PyDict_SetItem(info,pname, value); PyDict_SetItem(info,pname, value);
@@ -794,6 +821,16 @@ alsapcm_info(alsapcm_t *self, PyObject *args)
return info; return info;
} }
PyDoc_STRVAR(pcm_info_doc,
"info() -> dict\n\
\n\
Returns a dictionary with the alsa device parameters as it is realized. \n\
Keys are retrieved from the alsa library if they can be accessed, if not \n\
they represent values stored by pyalsaaudio and they are prefixed with ' (call value) '. \n\
");
// auxiliary function // auxiliary function
@@ -1526,7 +1563,7 @@ static PyMethodDef alsapcm_methods[] = {
{"setperiodsize", (PyCFunction)alsapcm_setperiodsize, METH_VARARGS, {"setperiodsize", (PyCFunction)alsapcm_setperiodsize, METH_VARARGS,
setperiodsize_doc}, setperiodsize_doc},
{"dumpinfo", (PyCFunction)alsapcm_dumpinfo, METH_VARARGS}, {"dumpinfo", (PyCFunction)alsapcm_dumpinfo, METH_VARARGS},
{"info", (PyCFunction)alsapcm_info, METH_VARARGS}, {"info", (PyCFunction)alsapcm_info, METH_VARARGS, pcm_info_doc},
{"getformats", (PyCFunction)alsapcm_getformats, METH_VARARGS, getformats_doc}, {"getformats", (PyCFunction)alsapcm_getformats, METH_VARARGS, getformats_doc},
{"getratebounds", (PyCFunction)alsapcm_getratemaxmin, METH_VARARGS, getratebounds_doc}, {"getratebounds", (PyCFunction)alsapcm_getratemaxmin, METH_VARARGS, getratebounds_doc},
{"getrates", (PyCFunction)alsapcm_getrates, METH_VARARGS, getrates_doc}, {"getrates", (PyCFunction)alsapcm_getrates, METH_VARARGS, getrates_doc},