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_RTP_ASSEMBLER_H_ 18 19 #define A_RTP_ASSEMBLER_H_ 20 21 #include <media/stagefright/foundation/ABase.h> 22 #include <utils/List.h> 23 #include <utils/RefBase.h> 24 25 namespace android { 26 27 struct ABuffer; 28 struct ARTPSource; 29 30 struct ARTPAssembler : public RefBase { 31 enum AssemblyStatus { 32 MALFORMED_PACKET, 33 WRONG_SEQUENCE_NUMBER, 34 NOT_ENOUGH_DATA, 35 OK 36 }; 37 38 ARTPAssembler(); 39 40 void onPacketReceived(const sp<ARTPSource> &source); 41 virtual void onByeReceived() = 0; 42 43 protected: 44 virtual AssemblyStatus assembleMore(const sp<ARTPSource> &source) = 0; 45 virtual void packetLost() = 0; 46 47 static void CopyTimes(const sp<ABuffer> &to, const sp<ABuffer> &from); 48 49 static sp<ABuffer> MakeADTSCompoundFromAACFrames( 50 unsigned profile, 51 unsigned samplingFreqIndex, 52 unsigned channelConfig, 53 const List<sp<ABuffer> > &frames); 54 55 static sp<ABuffer> MakeCompoundFromPackets( 56 const List<sp<ABuffer> > &frames); 57 58 private: 59 int64_t mFirstFailureTimeUs; 60 61 DISALLOW_EVIL_CONSTRUCTORS(ARTPAssembler); 62 }; 63 64 } // namespace android 65 66 #endif // A_RTP_ASSEMBLER_H_ 67
