auracaster/sw_pyalsaaudio
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Fix potential memory leaks on new info function.

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(cherry picked from commit ade9dd5923edd65c1fcdf2298e8ad024daf66e2a)
This commit is contained in:
Ronald van Elburg
2021-04-02 13:00:44 +02:00
parent e48b294b84
commit a53ffd0d4f
1 changed files with 63 additions and 68 deletions
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131
alsaaudio.c
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@@ -641,7 +641,6 @@ static PyObject *
alsapcm_info(alsapcm_t *self, PyObject *args)
{
PyObject *info = PyDict_New();
PyObject *pname;
PyObject *value;
unsigned int val,val2;
@@ -661,33 +660,30 @@ alsapcm_info(alsapcm_t *self, PyObject *args)
}
printf("PCM handle name = '%s'\n", snd_pcm_name(self->handle));
pname=PyUnicode_FromString("name");
value=PyUnicode_FromString(snd_pcm_name(self->handle));
PyDict_SetItem(info,pname,value);
PyDict_SetItemString(info,"name",value);
Py_DECREF(value);
pname=PyUnicode_FromString("state");
value=PyUnicode_FromString(snd_pcm_state_name(snd_pcm_state(self->handle)));
PyDict_SetItem(info,pname,value);
PyDict_SetItemString(info,"state",value);
Py_DECREF(value);
pname=PyUnicode_FromString("access_type");
snd_pcm_hw_params_get_access(hwparams, (snd_pcm_access_t *) &val);
value=PyUnicode_FromString(snd_pcm_access_name((snd_pcm_access_t)val));
PyDict_SetItem(info,pname,value);
PyDict_SetItemString(info,"access_type",value);
Py_DECREF(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");
PyDict_SetItemString(info," (call value) type",value);
Py_DECREF(value);
value=PyUnicode_FromString(snd_pcm_stream_name((snd_pcm_stream_t) self->pcmtype));
PyDict_SetItem(info,pname,value);
PyDict_SetItemString(info," (call value) type_name",value);
Py_DECREF(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");
PyDict_SetItemString(info," (call value) mode",value);
Py_DECREF(value);
switch(self->pcmmode){
case 0:
value = PyUnicode_FromString("PCM_NORMAL");
@@ -699,125 +695,124 @@ alsapcm_info(alsapcm_t *self, PyObject *args)
value = PyUnicode_FromString("PCM_ASYNC");
break;
}
PyDict_SetItem(info,pname,value);
PyDict_SetItemString(info," (call value) mode_name",value);
Py_DECREF(value);
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");
PyDict_SetItemString(info,"format",value);
Py_DECREF(value);
value=PyUnicode_FromString(snd_pcm_format_name(fmt));
PyDict_SetItem(info,pname,value);
pname=PyUnicode_FromString("format_description");
PyDict_SetItemString(info,"format_name",value);
Py_DECREF(value);
value=PyUnicode_FromString(snd_pcm_format_description(fmt));
PyDict_SetItem(info,pname,value);
PyDict_SetItemString(info,"format_description",value);
Py_DECREF(value);
snd_pcm_hw_params_get_subformat(hwparams, (snd_pcm_subformat_t *)&val);
pname=PyUnicode_FromString("subformat_name");
value=PyUnicode_FromString(snd_pcm_subformat_name((snd_pcm_subformat_t)val));
PyDict_SetItem(info,pname,value);
pname=PyUnicode_FromString("subformat_description");
PyDict_SetItemString(info,"subformat_name",value);
Py_DECREF(value);
value=PyUnicode_FromString(snd_pcm_subformat_description((snd_pcm_subformat_t)val));
PyDict_SetItem(info,pname,value);
PyDict_SetItemString(info,"subformat_description",value);
Py_DECREF(value);
pname=PyUnicode_FromString("channels");
snd_pcm_hw_params_get_channels(hwparams, &val);
value=PyLong_FromUnsignedLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"channels", value);
Py_DECREF(value);
pname=PyUnicode_FromString("rate");
snd_pcm_hw_params_get_rate(hwparams, &val, &dir);
value=PyLong_FromUnsignedLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"rate", value);
Py_DECREF(value);
pname=PyUnicode_FromString("period_time");
snd_pcm_hw_params_get_period_time(hwparams, &val, &dir);
value=PyLong_FromUnsignedLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"period_time", value);
Py_DECREF(value);
pname=PyUnicode_FromString("period_size");
snd_pcm_hw_params_get_period_size(hwparams, &frames, &dir);
value=PyLong_FromUnsignedLong((unsigned long) frames);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"period_size", value);
Py_DECREF(value);
pname=PyUnicode_FromString("buffer_time");
snd_pcm_hw_params_get_buffer_time(hwparams, &val, &dir);
value=PyLong_FromUnsignedLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"buffer_time", value);
Py_DECREF(value);
pname=PyUnicode_FromString("buffer_size");
snd_pcm_hw_params_get_buffer_size(hwparams, (snd_pcm_uframes_t *) &val);
value=PyLong_FromUnsignedLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"buffer_size", value);
Py_DECREF(value);
pname=PyUnicode_FromString("get_periods");
snd_pcm_hw_params_get_periods(hwparams, &val, &dir);
value=PyLong_FromUnsignedLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"get_periods", value);
Py_DECREF(value);
pname=PyUnicode_FromString("rate_numden");
snd_pcm_hw_params_get_rate_numden(hwparams, &val, &val2);
value=PyTuple_Pack(2,PyLong_FromUnsignedLong((unsigned long) val) \
,PyLong_FromUnsignedLong((unsigned long) val2));
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"rate_numden", value);
Py_DECREF(value);
pname=PyUnicode_FromString("significant_bits");
val = snd_pcm_hw_params_get_sbits(hwparams);
value=PyLong_FromUnsignedLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"significant_bits", value);
Py_DECREF(value);
pname=PyUnicode_FromString("is_batch");
val = snd_pcm_hw_params_is_batch(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"is_batch", value);
Py_DECREF(value);
pname=PyUnicode_FromString("is_block_transfer");
val = snd_pcm_hw_params_is_block_transfer(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"is_block_transfer", value);
Py_DECREF(value);
pname=PyUnicode_FromString("is_double");
val = snd_pcm_hw_params_is_double(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"is_double", value);
Py_DECREF(value);
pname=PyUnicode_FromString("is_half_duplex");
val = snd_pcm_hw_params_is_half_duplex(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"is_half_duplex", value);
Py_DECREF(value);
pname=PyUnicode_FromString("is_joint_duplex");
val = snd_pcm_hw_params_is_joint_duplex(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"is_joint_duplex", value);
Py_DECREF(value);
pname=PyUnicode_FromString("can_overrange");
val = snd_pcm_hw_params_can_overrange(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"can_overrange", value);
Py_DECREF(value);
pname=PyUnicode_FromString("can_mmap_sample_resolution");
val = snd_pcm_hw_params_can_mmap_sample_resolution(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"can_mmap_sample_resolution", value);
Py_DECREF(value);
pname=PyUnicode_FromString("can_pause");
val = snd_pcm_hw_params_can_pause(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"can_pause", value);
Py_DECREF(value);
pname=PyUnicode_FromString("can_resume");
val = snd_pcm_hw_params_can_resume(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"can_resume", value);
Py_DECREF(value);
pname=PyUnicode_FromString("can_sync_start");
val = snd_pcm_hw_params_can_sync_start(hwparams);
value=PyBool_FromLong((unsigned long) val);
PyDict_SetItem(info,pname, value);
PyDict_SetItemString(info,"can_sync_start", value);
Py_DECREF(value);
return info;
}