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 #ifndef A_AVC_ASSEMBLER_H_
18 
19 #define A_AVC_ASSEMBLER_H_
20 
21 #include "ARTPAssembler.h"
22 
23 #include <utils/List.h>
24 #include <utils/RefBase.h>
25 
26 namespace android {
27 
28 struct ABuffer;
29 struct AMessage;
30 
31 struct AAVCAssembler : public ARTPAssembler {
32     explicit AAVCAssembler(const sp<AMessage> &notify);
33 
34 protected:
35     virtual ~AAVCAssembler();
36 
37     virtual AssemblyStatus assembleMore(const sp<ARTPSource> &source);
38     virtual void onByeReceived();
39     virtual void packetLost();
40 
41 private:
42     sp<AMessage> mNotifyMsg;
43 
44     uint32_t mAccessUnitRTPTime;
45     bool mNextExpectedSeqNoValid;
46     uint32_t mNextExpectedSeqNo;
47     bool mAccessUnitDamaged;
48     List<sp<ABuffer> > mNALUnits;
49 
50     AssemblyStatus addNALUnit(const sp<ARTPSource> &source);
51     void addSingleNALUnit(const sp<ABuffer> &buffer);
52     AssemblyStatus addFragmentedNALUnit(List<sp<ABuffer> > *queue);
53     bool addSingleTimeAggregationPacket(const sp<ABuffer> &buffer);
54 
55     void submitAccessUnit();
56 
57     DISALLOW_EVIL_CONSTRUCTORS(AAVCAssembler);
58 };
59 
60 }  // namespace android
61 
62 #endif  // A_AVC_ASSEMBLER_H_
63