AnotherPacketSource.h revision 7c8708046117e03c0d38006bdd9685139df3ac6b
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 560ad776d2e4c6b4968d9dcd9bf34b962366b312a9Robert Shih int64_t getEstimatedDurationUs(); 570ad776d2e4c6b4968d9dcd9bf34b962366b312a9Robert Shih 58f933441648ef6a71dee783d733aac17b9508b452Andreas Huber status_t nextBufferTime(int64_t *timeUs); 59f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 60cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void queueAccessUnit(const sp<ABuffer> &buffer); 6132f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 6232f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber void queueDiscontinuity( 63632740c58119a132ce19f6d498e39c5c3773971aChong Zhang ATSParser::DiscontinuityType type, 64632740c58119a132ce19f6d498e39c5c3773971aChong Zhang const sp<AMessage> &extra, 65632740c58119a132ce19f6d498e39c5c3773971aChong Zhang bool discard); 6632f3cefa373cd55e63deda36ca9d07c7fe22eaafAndreas Huber 67cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber void signalEOS(status_t result); 68cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 69f933441648ef6a71dee783d733aac17b9508b452Andreas Huber status_t dequeueAccessUnit(sp<ABuffer> *buffer); 70f933441648ef6a71dee783d733aac17b9508b452Andreas Huber 71b50e83eca302a12f0fced6e7bab1b8617d63deaaRoger Jönsson bool isFinished(int64_t duration) const; 72b50e83eca302a12f0fced6e7bab1b8617d63deaaRoger Jönsson 737c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang void enable(bool enable); 747c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang 75309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih sp<AMessage> getLatestEnqueuedMeta(); 76309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih sp<AMessage> getLatestDequeuedMeta(); 777c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang sp<AMessage> getMetaAfterLastDequeued(int64_t delayUs); 787c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang 797c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang void trimBuffersAfterTimeUs(size_t discontinuitySeq, int64_t timeUs); 807c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang sp<AMessage> trimBuffersBeforeTimeUs(size_t discontinuitySeq, int64_t timeUs); 8169634506fbfe79605c37f337a8d6748cda4445b1Robert Shih 82cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprotected: 83cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber virtual ~AnotherPacketSource(); 84cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 85cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huberprivate: 86cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber Mutex mLock; 87cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber Condition mCondition; 88cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 896e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool mIsAudio; 903423bbdb05f843a64356fa24e8657f03ecbb7d65Robert Shih bool mIsVideo; 917c8708046117e03c0d38006bdd9685139df3ac6bChong Zhang bool mEnabled; 92cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber sp<MetaData> mFormat; 93b50e83eca302a12f0fced6e7bab1b8617d63deaaRoger Jönsson int64_t mLastQueuedTimeUs; 94cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber List<sp<ABuffer> > mBuffers; 95cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber status_t mEOSResult; 9669634506fbfe79605c37f337a8d6748cda4445b1Robert Shih sp<AMessage> mLatestEnqueuedMeta; 97309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih sp<AMessage> mLatestDequeuedMeta; 98cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 990ad776d2e4c6b4968d9dcd9bf34b962366b312a9Robert Shih size_t mQueuedDiscontinuityCount; 1000ad776d2e4c6b4968d9dcd9bf34b962366b312a9Robert Shih 1016e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber bool wasFormatChange(int32_t discontinuityType) const; 1020ad776d2e4c6b4968d9dcd9bf34b962366b312a9Robert Shih int64_t getBufferedDurationUs_l(status_t *finalResult); 1036e3d311b6631b12aac2879d1b08c3534aece78b1Andreas Huber 104cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(AnotherPacketSource); 105cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber}; 106cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 107cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 108cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber} // namespace android 109cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber 110cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#endif // ANOTHER_PACKET_SOURCE_H_ 111