| /* |
| *Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| *Not a Contribution, Apache license notifications and license are retained |
| *for attribution purposes only. |
| *Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef DASH_PACKET_SOURCE_H_ |
| |
| #define DASH_PACKET_SOURCE_H_ |
| |
| #include <media/stagefright/foundation/ABase.h> |
| #include <media/stagefright/MediaSource.h> |
| #include <utils/threads.h> |
| #include <utils/List.h> |
| |
| #include "ATSParser.h" |
| |
| namespace android { |
| |
| struct ABuffer; |
| |
| struct DashPacketSource : public MediaSource { |
| DashPacketSource(const sp<MetaData> &meta); |
| |
| void setFormat(const sp<MetaData> &meta); |
| |
| virtual status_t start(MetaData *params = NULL); |
| virtual status_t stop(); |
| virtual sp<MetaData> getFormat(); |
| |
| virtual status_t read( |
| MediaBuffer **buffer, const ReadOptions *options = NULL); |
| |
| bool hasBufferAvailable(status_t *finalResult); |
| |
| // Returns the difference between the last and the first queued |
| // presentation timestamps since the last discontinuity (if any). |
| int64_t getBufferedDurationUs(status_t *finalResult); |
| |
| status_t nextBufferTime(int64_t *timeUs); |
| |
| void queueAccessUnit(const sp<ABuffer> &buffer); |
| |
| void queueDiscontinuity( |
| ATSParser::DiscontinuityType type, const sp<AMessage> &extra); |
| |
| void signalEOS(status_t result); |
| |
| status_t dequeueAccessUnit(sp<ABuffer> *buffer); |
| void updateFormat(const sp<MetaData> &meta); |
| int getQueueSize(); |
| |
| status_t getStreamInfo(unsigned& streamPID, unsigned& programPID, uint64_t& firstPTS); |
| |
| void setStreamInfo(unsigned streamPID, unsigned programPID, uint64_t firstPTS); |
| |
| status_t nextBufferIsSync(bool* isSyncFrame); |
| |
| protected: |
| virtual ~DashPacketSource(); |
| |
| private: |
| Mutex mLock; |
| Condition mCondition; |
| |
| bool mIsAudio; |
| sp<MetaData> mFormat; |
| List<sp<ABuffer> > mBuffers; |
| status_t mEOSResult; |
| unsigned mStreamPID; |
| unsigned mProgramPID; |
| uint64_t mFirstPTS; |
| |
| bool wasFormatChange(int32_t discontinuityType) const; |
| |
| DISALLOW_EVIL_CONSTRUCTORS(DashPacketSource); |
| }; |
| |
| |
| } // namespace android |
| |
| #endif // DASH_PACKET_SOURCE_H_ |