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arg-types: Map const GstMiniObject

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Adds GstMiniObjectArg to be able to use GstMiniObject objects
and its const versions in functions

https://bugzilla.gnome.org/show_bug.cgi?id=617068
This commit is contained in:
Thiago Santos 2010-04-28 00:26:50 -03:00 committed by Edward Hervey
parent 886bcc9599
commit 8331db15ca
1 changed files with 41 additions and 1 deletions
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42
gst/arg-types.py
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@ -145,6 +145,45 @@ class GstIteratorArg(ArgType):
info.varlist.add('GstIterator', '*ret')
info.codeafter.append(' return pygst_iterator_new(ret);')
class GstMiniObjectArg(ArgType):
before = (' %(name)s = %(macro)s(pygstminiobject_get (py_%(name)s));\n'
' if (PyErr_Occurred())\n'
' return NULL;\n')
def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
if pdflt:
assert pdflt == 'NULL'
info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
else:
info.varlist.add('PyObject', '*py_' + pname)
#Converts 'GstBuffer*' to 'GstBuffer'
#and const-GstBuffer* to 'const GstBuffer'
info.varlist.add(ptype.replace('-',' ').replace('*',''), '*'+pname)
if ptype in ['GstBuffer*', 'const-GstBuffer*']:
info.codebefore.append(self.before % { 'name' : pname, 'macro' : 'GST_BUFFER' })
elif ptype in ['GstMessage*', 'const-GstMessage*']:
info.codebefore.append(self.before % { 'name' : pname, 'macro' : 'GST_MESSAGE' })
elif ptype in ['GstEvent*', 'const-GstEvent*']:
info.codebefore.append(self.before % { 'name' : pname, 'macro' : 'GST_EVENT' })
elif ptype in ['GstQuery*', 'const-GstQuery*']:
info.codebefore.append(self.before % { 'name' : pname, 'macro' : 'GST_QUERY' })
else:
raise RuntimeError, "write_param not implemented for %s" % ptype
info.add_parselist('O', ['&py_'+pname], [pname])
info.arglist.append(pname)
def write_return(self, ptype, ownsreturn, info):
info.varlist.add('GstMiniObject', '*ret')
info.codeafter.append(' return pygstminiobject_new((GstMiniObject *) ret);')
class GstMiniObjectParam(Parameter):
def get_c_type(self):
@ -352,7 +391,8 @@ for typename in ["GstPlugin", "GstStructure", "GstTagList", "GError", "GstDate",
matcher.register_reverse(typename, GBoxedParam)
matcher.register_reverse_ret(typename, GBoxedReturn)
for typename in ["GstBuffer*", "GstEvent*", "GstMessage*", "GstQuery*"]:
for typename in ["GstBuffer*", "const-GstBuffer*", "GstEvent*", "const-GstEvent*", "GstMessage*", "const-GstMessage*", "GstQuery*", "const-GstQuery*"]:
matcher.register(typename, GstMiniObjectArg())
matcher.register_reverse(typename, GstMiniObjectParam)
matcher.register_reverse_ret(typename, GstMiniObjectReturn)