1 /*
2  * Copyright 2012, 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 #ifndef _ANDROID_MEDIA_CRYPTO_H_
18 #define _ANDROID_MEDIA_CRYPTO_H_
19 
20 #include "jni.h"
21 
22 #include <media/stagefright/foundation/ABase.h>
23 #include <utils/Errors.h>
24 #include <utils/RefBase.h>
25 
26 namespace android {
27 
28 struct ICrypto;
29 
30 struct JCrypto : public RefBase {
31     static bool IsCryptoSchemeSupported(const uint8_t uuid[16]);
32 
33     JCrypto(JNIEnv *env, jobject thiz,
34             const uint8_t uuid[16], const void *initData, size_t initSize);
35 
36     status_t initCheck() const;
37 
38     bool requiresSecureDecoderComponent(const char *mime) const;
39 
40     static sp<ICrypto> GetCrypto(JNIEnv *env, jobject obj);
41 
42 protected:
43     virtual ~JCrypto();
44 
45 private:
46     jweak mObject;
47     sp<ICrypto> mCrypto;
48 
49     static sp<ICrypto> MakeCrypto();
50 
51     static sp<ICrypto> MakeCrypto(
52             const uint8_t uuid[16], const void *initData, size_t initSize);
53 
54     DISALLOW_EVIL_CONSTRUCTORS(JCrypto);
55 };
56 
57 }  // namespace android
58 
59 #endif  // _ANDROID_MEDIA_CRYPTO_H_
60