AnotherPacketSource.h revision 0dd229bb306df68b88e7419b3cc11fc6175be1da
1cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber/* 2cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 4cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * you may not use this file except in compliance with the License. 6cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * You may obtain a copy of the License at 7cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 8cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * 10cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * See the License for the specific language governing permissions and 14cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber * limitations under the License. 15cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber */ 16cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 17cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#ifndef ANOTHER_PACKET_SOURCE_H_ 18cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 19cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#define ANOTHER_PACKET_SOURCE_H_ 20cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 21cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/foundation/ABase.h> 22cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <media/stagefright/MediaSource.h> 23cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/threads.h> 24cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include <utils/List.h> 25cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 265bc087c573c70c84c6a39946457590b42d392a33Andreas Huber#include "ATSParser.h" 275bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 28cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Hubernamespace android { 29cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 30cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct ABuffer; 31cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 32cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberstruct AnotherPacketSource : public MediaSource { 33cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber AnotherPacketSource(const sp<MetaData> &meta); 34cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 355bc087c573c70c84c6a39946457590b42d392a33Andreas Huber void setFormat(const sp<MetaData> &meta); 365bc087c573c70c84c6a39946457590b42d392a33Andreas Huber 37cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual status_t start(MetaData *params = NULL); 38cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual status_t stop(); 39cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual sp<MetaData> getFormat(); 40cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 41cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual status_t read( 42cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber MediaBuffer **buffer, const ReadOptions *options = NULL); 43cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 4414f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber void clear(); 4514f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber 46a48d372833ccec13c96ece9efcc226e8beac7f59Chong Zhang // Returns true if we have any packets including discontinuities 47cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber bool hasBufferAvailable(status_t *finalResult); 48cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 49a48d372833ccec13c96ece9efcc226e8beac7f59Chong Zhang // Returns true if we have packets that's not discontinuities 50a48d372833ccec13c96ece9efcc226e8beac7f59Chong Zhang bool hasDataBufferAvailable(status_t *finalResult); 51a48d372833ccec13c96ece9efcc226e8beac7f59Chong Zhang 52bfd4d0d9fe0033abf3f55b94f30f6a58846a875eAndreas Huber // Returns the difference between the last and the first queued 53bfd4d0d9fe0033abf3f55b94f30f6a58846a875eAndreas Huber // presentation timestamps since the last discontinuity (if any). 54bfd4d0d9fe0033abf3f55b94f30f6a58846a875eAndreas Huber int64_t getBufferedDurationUs(status_t *finalResult); 55bfd4d0d9fe0033abf3f55b94f30f6a58846a875eAndreas Huber 56f933441648ef6a71dee783d733aac17b9508b452Andreas Huber status_t nextBufferTime(int64_t *timeUs); 57f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 58cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void queueAccessUnit(const sp<ABuffer> &buffer); 5932f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6032f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void queueDiscontinuity( 61632740c58119a132ce19f6d498e39c5c3773971aChong Zhang ATSParser::DiscontinuityType type, 62632740c58119a132ce19f6d498e39c5c3773971aChong Zhang const sp<AMessage> &extra, 63632740c58119a132ce19f6d498e39c5c3773971aChong Zhang bool discard); 6432f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 65cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void signalEOS(status_t result); 66cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 67f933441648ef6a71dee783d733aac17b9508b452Andreas Huber status_t dequeueAccessUnit(sp<ABuffer> *buffer); 680852843d304006e3ab333081fddda13b07193de8Robert Shih void requeueAccessUnit(const sp<ABuffer> &buffer); 69f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 70b50e83eca302a12f0fced6e7bab1b8617d63deaaRoger Jönsson bool isFinished(int64_t duration) const; 71b50e83eca302a12f0fced6e7bab1b8617d63deaaRoger Jönsson 727c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang void enable(bool enable); 737c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang 74309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih sp<AMessage> getLatestEnqueuedMeta(); 75309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih sp<AMessage> getLatestDequeuedMeta(); 767c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang sp<AMessage> getMetaAfterLastDequeued(int64_t delayUs); 777c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang 78d47dfcb5a2e5901c96fc92662cec7aa30f7f8843Chong Zhang void trimBuffersAfterMeta(const sp<AMessage> &meta); 79d47dfcb5a2e5901c96fc92662cec7aa30f7f8843Chong Zhang sp<AMessage> trimBuffersBeforeMeta(const sp<AMessage> &meta); 8069634506fbfe79605c37f337a8d6748cda4445b1Robert Shih 81cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 82cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~AnotherPacketSource(); 83cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 84cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 850dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih 860dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih struct DiscontinuitySegment { 870dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih int64_t mMaxDequeTimeUs, mMaxEnqueTimeUs; 880dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih DiscontinuitySegment() 890dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih : mMaxDequeTimeUs(-1), 900dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih mMaxEnqueTimeUs(-1) { 910dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih }; 920dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih 930dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih void clear() { 940dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih mMaxDequeTimeUs = mMaxEnqueTimeUs = -1; 950dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih } 960dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih }; 970dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih 980dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih // Discontinuity segments are consecutive access units between 990dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih // discontinuity markers. There should always be at least _ONE_ 1000dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih // discontinuity segment, hence the various CHECKs in 1010dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih // AnotherPacketSource.cpp for non-empty()-ness. 1020dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih List<DiscontinuitySegment> mDiscontinuitySegments; 1030dd229bb306df68b88e7419b3cc11fc6175be1daRobert Shih 104cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber Mutex mLock; 105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber Condition mCondition; 106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1076e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool mIsAudio; 1083423bbdb05f843a64356fa24e8657f03ecbb7d65Robert Shih bool mIsVideo; 1097c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang bool mEnabled; 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MetaData> mFormat; 111b50e83eca302a12f0fced6e7bab1b8617d63deaaRoger Jönsson int64_t mLastQueuedTimeUs; 112cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber List<sp<ABuffer> > mBuffers; 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber status_t mEOSResult; 11469634506fbfe79605c37f337a8d6748cda4445b1Robert Shih sp<AMessage> mLatestEnqueuedMeta; 115309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih sp<AMessage> mLatestDequeuedMeta; 116cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 1176e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool wasFormatChange(int32_t discontinuityType) const; 1186e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 119cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(AnotherPacketSource); 120cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 121cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 122cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 123cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 124cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 125cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif // ANOTHER_PACKET_SOURCE_H_ 126