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fix for VideoCapture crash

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This commit is contained in:
abratchik 2016-10-14 19:21:17 +04:00
parent 084c595855
commit 4207ebbce7
1 changed files with 22 additions and 7 deletions
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29
modules/java/generator/gen_java.py
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@ -783,6 +783,7 @@ class ClassInfo(GeneralInfo):
self.imports = set()
self.props= []
self.jname = self.name
self.smart = None # True if class stores Ptr<T>* instead of T* in nativeObj field
self.j_code = None # java code stream
self.jn_code = None # jni code stream
self.cpp_code = None # cpp code stream
@ -1392,10 +1393,10 @@ class JavaWrapperGenerator(object):
elif fi.static:
cvname = fi.fullName(isCPP=True)
else:
cvname = ("me->" if not self.isSmartClass(fi.classname) else "(*me)->") + name
cvname = ("me->" if not self.isSmartClass(ci) else "(*me)->") + name
c_prologue.append(\
"%(cls)s* me = (%(cls)s*) self; //TODO: check for NULL" \
% { "cls" : self.smartWrap(fi.classname, fi.fullClass(isCPP=True))} \
% { "cls" : self.smartWrap(ci, fi.fullClass(isCPP=True))} \
)
cvargs = []
for a in args:
@ -1541,7 +1542,7 @@ JNIEXPORT void JNICALL Java_org_opencv_%(module)s_%(j_cls)s_delete
delete (%(cls)s*) self;
}
""" % {"module" : module.replace('_', '_1'), "cls" : self.smartWrap(ci.name, ci.fullName(isCPP=True)), "j_cls" : ci.jname.replace('_', '_1')}
""" % {"module" : module.replace('_', '_1'), "cls" : self.smartWrap(ci, ci.fullName(isCPP=True)), "j_cls" : ci.jname.replace('_', '_1')}
)
def getClass(self, classname):
@ -1551,17 +1552,31 @@ JNIEXPORT void JNICALL Java_org_opencv_%(module)s_%(j_cls)s_delete
name = classname or self.Module
return name in self.classes
def isSmartClass(self, classname):
def isSmartClass(self, ci):
'''
Check if class stores Ptr<T>* instead of T* in nativeObj field
'''
return self.isWrapped(classname)
if ci.smart != None:
return ci.smart
def smartWrap(self, name, fullname):
# if parents are smart (we hope) then children are!
# if not we believe the class is smart if it has "create" method
ci.smart = False
if ci.base:
ci.smart = True
else:
for fi in ci.methods:
if fi.name == "create":
ci.smart = True
break
return ci.smart
def smartWrap(self, ci, fullname):
'''
Wraps fullname with Ptr<> if needed
'''
if self.isSmartClass(name):
if self.isSmartClass(ci):
return "Ptr<" + fullname + ">"
return fullname