ESQueue.h revision a093f92042cf65060d1474c0fe116c12f8981717
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 ES_QUEUE_H_ 18 19#define ES_QUEUE_H_ 20 21#include <media/stagefright/foundation/ABase.h> 22#include <utils/List.h> 23#include <utils/RefBase.h> 24 25namespace android { 26 27struct ABuffer; 28struct MetaData; 29 30struct ElementaryStreamQueue { 31 enum Mode { 32 H264, 33 AAC 34 }; 35 ElementaryStreamQueue(Mode mode); 36 37 status_t appendData(const void *data, size_t size, int64_t timeUs); 38 void clear(); 39 40 sp<ABuffer> dequeueAccessUnit(); 41 42 sp<MetaData> getFormat(); 43 44private: 45 struct RangeInfo { 46 int64_t mTimestampUs; 47 size_t mLength; 48 }; 49 50 Mode mMode; 51 52 sp<ABuffer> mBuffer; 53 List<RangeInfo> mRangeInfos; 54 55 sp<MetaData> mFormat; 56 57 sp<ABuffer> dequeueAccessUnitH264(); 58 sp<ABuffer> dequeueAccessUnitAAC(); 59 60 // consume a logical (compressed) access unit of size "size", 61 // returns its timestamp in us (or -1 if no time information). 62 int64_t fetchTimestamp(size_t size); 63 64 static sp<MetaData> MakeAACCodecSpecificData( 65 unsigned profile, unsigned sampling_freq_index, 66 unsigned channel_configuration); 67 68 DISALLOW_EVIL_CONSTRUCTORS(ElementaryStreamQueue); 69}; 70 71} // namespace android 72 73#endif // ES_QUEUE_H_ 74