Wrap gst_type_find_peek.

Original commit message from CVS:
* gst/gst.override:
* testsuite/test_typefind.py:
Wrap gst_type_find_peek.

ChangeLog

@@ -1,3 +1,9 @@
+2008-11-19  Alessandro Decina  <alessandro.d@gmail.com>
+
+	* gst/gst.override:
+	* testsuite/test_typefind.py:
+	Wrap gst_type_find_peek.
+
 2008-11-08  Alessandro Decina  <alessandro.d@gmail.com>
 
 	* gst/base.defs:

gst/gst.override

@@ -1276,6 +1276,33 @@ out:
     return py_res;
 }
 
+%%
+override gst_type_find_peek kwargs
+static PyObject *
+_wrap_gst_type_find_peek (PyObject * self, PyObject * args, PyObject * kwargs)
+{
+    static char *kwlist[] = { "offset", "size", NULL };
+    gint64 offset;
+    guint size;
+    GstTypeFind *typefind;  
+    guint8 *data;
+    
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs,"LI:GstTypeFind.peek",
+            kwlist, &offset, &size))
+        return NULL;
+    
+    typefind = pyg_pointer_get(self, GstTypeFind);
+    pyg_begin_allow_threads;
+    data = gst_type_find_peek(typefind, offset, size);
+    pyg_end_allow_threads;
+ 
+    if (data == NULL)
+        /* return the empty string */
+        return PyString_FromStringAndSize(NULL, 0);
+
+    return PyString_FromStringAndSize((char *) data, size);
+}
+
 %%
 override gst_segment_set_seek kwargs
 static PyObject *

testsuite/test_typefind.py

@@ -0,0 +1,65 @@
+# -*- Mode: Python -*-
+# vi:si:et:sw=4:sts=4:ts=4
+#
+# gst-python - Python bindings for GStreamer
+# Copyright (C) 2008 Alessandro Decina
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+
+from common import gst, unittest, TestCase, pygobject_2_13
+
+import sys
+import time
+
+class TypeFindTest(TestCase):
+    def testTypeFind(self):
+        def application_awesome_type_find(typefind, arg1,  arg2):
+            self.failUnlessEqual(arg1, 'arg1')
+            self.failUnlessEqual(arg2, 'arg2')
+
+            data = typefind.peek(0, 5)
+            self.failUnless(data == '', 'peek out of length??')
+            
+            data = typefind.peek(0, 0)
+            self.failUnless(data == '', '0 peek??')
+
+            data = typefind.peek(3, 1)
+            self.failUnless(data == 'M')
+
+            data = typefind.peek(0, 4)
+            self.failUnless(data == 'AWSM')
+
+            typefind.suggest(gst.TYPE_FIND_MAXIMUM,
+                    gst.Caps('application/awesome'))
+
+        res = gst.type_find_register('application/awesome', gst.RANK_PRIMARY,
+                application_awesome_type_find, ['.twi'],
+                gst.Caps('application/awesome'), 'arg1', 'arg2')
+        self.failUnless(res, 'type_find_register failed')
+
+        factory = None
+        factories = gst.type_find_factory_get_list()
+        for typefind_factory in factories:
+            if typefind_factory.get_name() == 'application/awesome':
+                factory = typefind_factory
+                break
+        self.failUnless(factory is not None)
+
+        obj = gst.Pad('src', gst.PAD_SRC)
+        buffer = gst.Buffer('AWSM')
+        caps, probability =  gst.type_find_helper_for_buffer(obj, buffer)
+
+        self.failUnlessEqual(str(caps), 'application/awesome')
+        self.failUnlessEqual(probability, gst.TYPE_FIND_MAXIMUM)