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gst/arg-types.py: Add ReturnType and Parameter for GstCaps.

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Original commit message from CVS:
* gst/arg-types.py:
Add ReturnType and Parameter for GstCaps.
This allows the codegenerator to wrap properly more virtual proxies.
This commit is contained in:
Edward Hervey 2006-03-07 19:44:35 +00:00
parent 04d31802b9
commit 455c2109fa
2 changed files with 48 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-03-07 Edward Hervey <edward@fluendo.com>
* gst/arg-types.py:
Add ReturnType and Parameter for GstCaps.
This allows the codegenerator to wrap properly more virtual proxies.
2006-03-07 Edward Hervey <edward@fluendo.com>
* gst/base.defs:

40
gst/arg-types.py
View file

@ -98,6 +98,7 @@ class GstCapsArg(ArgType):
self.write_normal_param(pname, pdflt, pnull, info)
else:
raise RuntimeError, "write_param not implemented for %s" % ptype
def write_const_param(self, pname, pdflt, pnull, info):
info.varlist.add('PyObject', '*py_'+pname)
info.varlist.add('GstCaps', '*'+pname)
@ -109,6 +110,7 @@ class GstCapsArg(ArgType):
else:
info.codebefore.append (self.before % { 'name' : pname, 'namecopy' : '&'+pname+'_is_copy' })
info.codeafter.append (self.after % { 'name' : pname, 'namecopy' : '&'+pname+'_is_copy' })
def write_normal_param(self, pname, pdflt, pnull, info):
info.varlist.add('PyObject', '*py_'+pname)
info.varlist.add('GstCaps', '*'+pname)
@ -167,6 +169,44 @@ class GstMiniObjectReturn(ReturnType):
matcher.register_reverse_ret('GstMiniObject*', GstMiniObjectReturn)
class GstCapsParam(Parameter):
def get_c_type(self):
return self.props.get('c_type', 'GstCaps *')
def convert_c2py(self):
self.wrapper.add_declaration("PyObject *py_%s = NULL;" % self.name)
self.wrapper.write_code(code=("if (%s)\n"
" py_%s = pyg_boxed_new (GST_TYPE_CAPS, %s, FALSE, TRUE);\n"
"else {\n"
" Py_INCREF(Py_None);\n"
" py_%s = Py_None;\n"
"}"
% (self.name, self.name, self.name, self.name)),
cleanup=("Py_DECREF(py_%s);" % self.name))
self.wrapper.add_pyargv_item("py_%s" % self.name)
matcher.register_reverse('GstCaps*', GstCapsParam)
class GstCapsReturn(ReturnType):
def get_c_type(self):
return self.props.get('c_type', 'GstCaps *')
def write_decl(self):
self.wrapper.add_declaration("%s retval;" % self.get_c_type())
def write_error_return(self):
self.wrapper.write_code("return NULL;")
def write_conversion(self):
self.wrapper.write_code("retval = (%s) pygst_caps_from_pyobject (py_retval, NULL);"
% self.get_c_type())
## self.wrapper.write_code("gst_mini_object_ref((GstMiniObject *) retval);")
matcher.register_reverse_ret('GstCaps*', GstCapsReturn)
class Int64Param(Parameter):
def get_c_type(self):