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gstmodule: Factor out gst type creation

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This reduces a lot the boiler plate all over. At the same
time, use N instead of O when passing PyObject to fix
the objects leaks.
This commit is contained in:
Nicolas Dufresne 2017-03-27 14:52:24 -04:00
parent 7279ae40b6
commit c6dee2c26b
1 changed files with 20 additions and 59 deletions
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79
gi/overrides/gstmodule.c
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@ -66,13 +66,9 @@ GST_DEBUG_CATEGORY_STATIC (pygst_debug);
#define GST_CAT_DEFAULT pygst_debug
static PyObject *
gi_gst_fraction_from_value (const GValue * value)
gi_gst_get_type (const gchar * type_name)
{
PyObject *module, *dict, *fraction_type, *args, *fraction;
gint numerator, denominator;
numerator = gst_value_get_fraction_numerator (value);
denominator = gst_value_get_fraction_denominator (value);
PyObject *module, *dict;
module = PyImport_ImportModule ("gi.repository.Gst");
@ -94,13 +90,23 @@ gi_gst_fraction_from_value (const GValue * value)
}
dict = PyModule_GetDict (module);
fraction_type = PyMapping_GetItemString (dict, "Fraction");
return PyMapping_GetItemString (dict, type_name);
}
static PyObject *
gi_gst_fraction_from_value (const GValue * value)
{
PyObject *fraction_type, *args, *fraction;
gint numerator, denominator;
numerator = gst_value_get_fraction_numerator (value);
denominator = gst_value_get_fraction_denominator (value);
fraction_type = gi_gst_get_type ("Fraction");
args = Py_BuildValue ("(ii)", numerator, denominator);
fraction = PyObject_Call (fraction_type, args, NULL);
Py_DECREF (args);
Py_DECREF (fraction_type);
Py_DECREF (module);
return fraction;
}
@ -220,38 +226,16 @@ fail:
static PyObject *
gi_gst_double_range_from_value (const GValue * value)
{
PyObject *module, *dict, *double_range_type, *double_range;
PyObject *double_range_type, *double_range;
gdouble min, max;
min = gst_value_get_double_range_min (value);
max = gst_value_get_double_range_max (value);
module = PyImport_ImportModule ("gi.repository.Gst");
if (module == NULL) {
PyErr_SetString (PyExc_KeyError,
"Could not get module for gi.repository.Gst");
return NULL;
}
dict = PyModule_GetDict (module);
Py_DECREF (module);
/* For some reson we need this intermediary step */
module = PyMapping_GetItemString (dict, "_overrides_module");
if (module == NULL) {
PyErr_SetString (PyExc_KeyError,
"Could not get module for _overrides_module");
return NULL;
}
dict = PyModule_GetDict (module);
double_range_type = PyMapping_GetItemString (dict, "DoubleRange");
double_range_type = gi_gst_get_type ("DoubleRange");
double_range = PyObject_CallFunction (double_range_type, "dd", min, max);
Py_DECREF (double_range_type);
Py_DECREF (module);
return double_range;
}
@ -283,7 +267,7 @@ fail:
static PyObject *
gi_gst_fraction_range_from_value (const GValue * value)
{
PyObject *module, *min, *max, *dict, *fraction_range_type, *fraction_range;
PyObject *min, *max, *fraction_range_type, *fraction_range;
const GValue *fraction;
fraction = gst_value_get_fraction_range_min (value);
@ -292,33 +276,10 @@ gi_gst_fraction_range_from_value (const GValue * value)
fraction = gst_value_get_fraction_range_max (value);
max = gi_gst_fraction_from_value (fraction);
module = PyImport_ImportModule ("gi.repository.Gst");
if (module == NULL) {
PyErr_SetString (PyExc_KeyError,
"Could not get module for gi.repository.Gst");
return NULL;
}
dict = PyModule_GetDict (module);
Py_DECREF (module);
/* For some reson we need this intermediary step */
module = PyMapping_GetItemString (dict, "_overrides_module");
if (module == NULL) {
PyErr_SetString (PyExc_KeyError,
"Could not get module for _overrides_module");
return NULL;
}
dict = PyModule_GetDict (module);
fraction_range_type = PyMapping_GetItemString (dict, "FractionRange");
fraction_range = PyObject_CallFunction (fraction_range_type, "OO", min, max);
fraction_range_type = gi_gst_get_type ("FractionRange");
fraction_range = PyObject_CallFunction (fraction_range_type, "NN", min, max);
Py_DECREF (fraction_range_type);
Py_DECREF (module);
return fraction_range;
}