Home | History | Annotate | Download | only in rtsp 
      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_MPEG4_AUDIO_ASSEMBLER_H_
     18 
     19 #define A_MPEG4_AUDIO_ASSEMBLER_H_
     20 
     21 #include "ARTPAssembler.h"
     22 
     23 #include <utils/List.h>
     24 
     25 #include <stdint.h>
     26 
     27 namespace android {
     28 
     29 struct AMessage;
     30 struct AString;
     31 
     32 struct AMPEG4AudioAssembler : public ARTPAssembler {
     33     AMPEG4AudioAssembler(
     34             const sp<AMessage> &notify, const AString &params);
     35 
     36 protected:
     37     virtual ~AMPEG4AudioAssembler();
     38 
     39     virtual AssemblyStatus assembleMore(const sp<ARTPSource> &source);
     40     virtual void onByeReceived();
     41     virtual void packetLost();
     42 
     43 private:
     44     sp<AMessage> mNotifyMsg;
     45 
     46     bool mMuxConfigPresent;
     47     unsigned mNumSubFrames;
     48     unsigned mFrameLengthType;
     49     ssize_t mFixedFrameLength;
     50     bool mOtherDataPresent;
     51     unsigned mOtherDataLenBits;
     52 
     53     uint32_t mAccessUnitRTPTime;
     54     bool mNextExpectedSeqNoValid;
     55     uint32_t mNextExpectedSeqNo;
     56     bool mAccessUnitDamaged;
     57     List<sp<ABuffer> > mPackets;
     58 
     59     AssemblyStatus addPacket(const sp<ARTPSource> &source);
     60     void submitAccessUnit();
     61 
     62     sp<ABuffer> removeLATMFraming(const sp<ABuffer> &buffer);
     63 
     64     DISALLOW_EVIL_CONSTRUCTORS(AMPEG4AudioAssembler);
     65 };
     66 
     67 }  // namespace android
     68 
     69 #endif  // A_MPEG4_AUDIO_ASSEMBLER_H_
     70