android_media_MediaCrypto.h revision 07ea426e3ae8915ca6bf67135f523f42cd920af0 
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
26namespace android {
27
28struct ICrypto;
29
30struct 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
42protected:
43    virtual ~JCrypto();
44
45private:
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