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_PACKET_SOURCE_H_ 18 19 #define A_PACKET_SOURCE_H_ 20 21 #include <media/stagefright/foundation/ABase.h> 22 #include <media/stagefright/MediaSource.h> 23 #include <utils/threads.h> 24 #include <utils/List.h> 25 26 namespace android { 27 28 struct ABuffer; 29 struct ASessionDescription; 30 31 struct APacketSource : public MediaSource { 32 APacketSource(const sp<ASessionDescription> &sessionDesc, size_t index); 33 34 status_t initCheck() const; 35 36 virtual status_t start(MetaData *params = NULL); 37 virtual status_t stop(); 38 virtual sp<MetaData> getFormat(); 39 40 virtual status_t read( 41 MediaBuffer **buffer, const ReadOptions *options = NULL); 42 43 void queueAccessUnit(const sp<ABuffer> &buffer); 44 void signalEOS(status_t result); 45 46 void flushQueue(); 47 48 int64_t getNormalPlayTimeUs(); 49 50 void setNormalPlayTimeMapping( 51 uint32_t rtpTime, int64_t normalPlayTimeUs); 52 53 int64_t getQueueDurationUs(bool *eos); 54 55 protected: 56 virtual ~APacketSource(); 57 58 private: 59 status_t mInitCheck; 60 61 Mutex mLock; 62 Condition mCondition; 63 64 sp<MetaData> mFormat; 65 List<sp<ABuffer> > mBuffers; 66 status_t mEOSResult; 67 68 bool mIsAVC; 69 bool mScanForIDR; 70 71 uint32_t mClockRate; 72 73 uint32_t mRTPTimeBase; 74 int64_t mNormalPlayTimeBaseUs; 75 76 int64_t mLastNormalPlayTimeUs; 77 78 void updateNormalPlayTime_l(const sp<ABuffer> &buffer); 79 80 DISALLOW_EVIL_CONSTRUCTORS(APacketSource); 81 }; 82 83 84 } // namespace android 85 86 #endif // A_PACKET_SOURCE_H_ 87
