1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 /* DynamicSource implementation */
18
19 #include "sles_allinclusive.h"
20
21
IDynamicSource_SetSource(SLDynamicSourceItf self,SLDataSource * pDataSource)22 static SLresult IDynamicSource_SetSource(SLDynamicSourceItf self, SLDataSource *pDataSource)
23 {
24 SL_ENTER_INTERFACE
25
26 if (NULL == pDataSource) {
27 result = SL_RESULT_PARAMETER_INVALID;
28 } else {
29 IDynamicSource *thiz = (IDynamicSource *) self;
30 #if 0
31 DataLocatorFormat myDataSource;
32 SLresult result;
33 result = checkDataSource("pDataSource", pDataSource, &myDataSource, DATALOCATOR_MASK_ALL,
34 DATAFORMAT_MASK_ALL);
35 // handle result here
36 #endif
37 // need to lock the object, as a change to source can impact most of object
38 IObject *thisObject = InterfaceToIObject(thiz);
39 object_lock_exclusive(thisObject);
40 // a bit of a simplification to say the least! (see Khronos bug 6728)
41 thiz->mDataSource = pDataSource;
42 object_unlock_exclusive(thisObject);
43 result = SL_RESULT_FEATURE_UNSUPPORTED;
44 }
45
46 SL_LEAVE_INTERFACE
47 }
48
49
50 static const struct SLDynamicSourceItf_ IDynamicSource_Itf = {
51 IDynamicSource_SetSource
52 };
53
IDynamicSource_init(void * self)54 void IDynamicSource_init(void *self)
55 {
56 IDynamicSource *thiz = (IDynamicSource *) self;
57 thiz->mItf = &IDynamicSource_Itf;
58 // mDataSource will be re-initialized later in the containing object constructor
59 thiz->mDataSource = NULL;
60 }
61