1 /*
2  * Copyright (C) 2019 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 SAMPLE_AES_PROCESSOR_H_
18 
19 #define SAMPLE_AES_PROCESSOR_H_
20 
21 #include <media/stagefright/foundation/AMessage.h>
22 
23 #include <utils/RefBase.h>
24 
25 namespace android {
26 
27 // Base class of HlsSampleDecryptor which has dummy default implementation.
28 struct SampleDecryptor : RefBase {
29 
SampleDecryptorSampleDecryptor30     SampleDecryptor() { };
31 
signalNewSampleAesKeySampleDecryptor32     virtual void signalNewSampleAesKey(const sp<AMessage> &) { };
33 
processNalSampleDecryptor34     virtual size_t processNal(uint8_t *, size_t) { return -1; };
processAACSampleDecryptor35     virtual void processAAC(size_t, uint8_t *, size_t) { };
processAC3SampleDecryptor36     virtual void processAC3(uint8_t *, size_t) { };
37 
38 private:
39     DISALLOW_EVIL_CONSTRUCTORS(SampleDecryptor);
40 };
41 
42 }  // namespace android
43 
44 #endif // SAMPLE_AES_PROCESSOR_H_
45