NuMediaExtractor.h revision f69e53033f23f9f70fcdb28a3c2e650de0147459
15778822d86b0337407514b9372562b86edfa91cdAndreas Huber/* 25778822d86b0337407514b9372562b86edfa91cdAndreas Huber * Copyright 2012, The Android Open Source Project 35778822d86b0337407514b9372562b86edfa91cdAndreas Huber * 45778822d86b0337407514b9372562b86edfa91cdAndreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 55778822d86b0337407514b9372562b86edfa91cdAndreas Huber * you may not use this file except in compliance with the License. 65778822d86b0337407514b9372562b86edfa91cdAndreas Huber * You may obtain a copy of the License at 75778822d86b0337407514b9372562b86edfa91cdAndreas Huber * 85778822d86b0337407514b9372562b86edfa91cdAndreas Huber * http://www.apache.org/licenses/LICENSE-2.0 95778822d86b0337407514b9372562b86edfa91cdAndreas Huber * 105778822d86b0337407514b9372562b86edfa91cdAndreas Huber * Unless required by applicable law or agreed to in writing, software 115778822d86b0337407514b9372562b86edfa91cdAndreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 125778822d86b0337407514b9372562b86edfa91cdAndreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135778822d86b0337407514b9372562b86edfa91cdAndreas Huber * See the License for the specific language governing permissions and 145778822d86b0337407514b9372562b86edfa91cdAndreas Huber * limitations under the License. 155778822d86b0337407514b9372562b86edfa91cdAndreas Huber */ 165778822d86b0337407514b9372562b86edfa91cdAndreas Huber 175778822d86b0337407514b9372562b86edfa91cdAndreas Huber#ifndef NU_MEDIA_EXTRACTOR_H_ 185778822d86b0337407514b9372562b86edfa91cdAndreas Huber#define NU_MEDIA_EXTRACTOR_H_ 195778822d86b0337407514b9372562b86edfa91cdAndreas Huber 205778822d86b0337407514b9372562b86edfa91cdAndreas Huber#include <media/stagefright/foundation/ABase.h> 215778822d86b0337407514b9372562b86edfa91cdAndreas Huber#include <utils/Errors.h> 22918c7652b9a38c02e26c0c46541cea82070c0e43Andreas Huber#include <utils/KeyedVector.h> 235778822d86b0337407514b9372562b86edfa91cdAndreas Huber#include <utils/RefBase.h> 24918c7652b9a38c02e26c0c46541cea82070c0e43Andreas Huber#include <utils/String8.h> 255778822d86b0337407514b9372562b86edfa91cdAndreas Huber#include <utils/Vector.h> 265778822d86b0337407514b9372562b86edfa91cdAndreas Huber 275778822d86b0337407514b9372562b86edfa91cdAndreas Hubernamespace android { 285778822d86b0337407514b9372562b86edfa91cdAndreas Huber 295778822d86b0337407514b9372562b86edfa91cdAndreas Huberstruct ABuffer; 305778822d86b0337407514b9372562b86edfa91cdAndreas Huberstruct AMessage; 315778822d86b0337407514b9372562b86edfa91cdAndreas Huberstruct MediaBuffer; 325778822d86b0337407514b9372562b86edfa91cdAndreas Huberstruct MediaExtractor; 335778822d86b0337407514b9372562b86edfa91cdAndreas Huberstruct MediaSource; 34f69e53033f23f9f70fcdb28a3c2e650de0147459Andreas Huberstruct MetaData; 355778822d86b0337407514b9372562b86edfa91cdAndreas Huber 365778822d86b0337407514b9372562b86edfa91cdAndreas Huberstruct NuMediaExtractor : public RefBase { 37ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6Andreas Huber enum SampleFlags { 38ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6Andreas Huber SAMPLE_FLAG_SYNC = 1, 39ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6Andreas Huber SAMPLE_FLAG_ENCRYPTED = 2, 40ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6Andreas Huber }; 41ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6Andreas Huber 425778822d86b0337407514b9372562b86edfa91cdAndreas Huber NuMediaExtractor(); 435778822d86b0337407514b9372562b86edfa91cdAndreas Huber 44918c7652b9a38c02e26c0c46541cea82070c0e43Andreas Huber status_t setDataSource( 45918c7652b9a38c02e26c0c46541cea82070c0e43Andreas Huber const char *path, 46918c7652b9a38c02e26c0c46541cea82070c0e43Andreas Huber const KeyedVector<String8, String8> *headers = NULL); 47918c7652b9a38c02e26c0c46541cea82070c0e43Andreas Huber 48918c7652b9a38c02e26c0c46541cea82070c0e43Andreas Huber status_t setDataSource(int fd, off64_t offset, off64_t size); 495778822d86b0337407514b9372562b86edfa91cdAndreas Huber 505778822d86b0337407514b9372562b86edfa91cdAndreas Huber size_t countTracks() const; 515778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t getTrackFormat(size_t index, sp<AMessage> *format) const; 525778822d86b0337407514b9372562b86edfa91cdAndreas Huber 535778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t selectTrack(size_t index); 545778822d86b0337407514b9372562b86edfa91cdAndreas Huber 555778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t seekTo(int64_t timeUs); 565778822d86b0337407514b9372562b86edfa91cdAndreas Huber 575778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t advance(); 585778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t readSampleData(const sp<ABuffer> &buffer); 595778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t getSampleTrackIndex(size_t *trackIndex); 605778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t getSampleTime(int64_t *sampleTimeUs); 61f69e53033f23f9f70fcdb28a3c2e650de0147459Andreas Huber status_t getSampleMeta(sp<MetaData> *sampleMeta); 625778822d86b0337407514b9372562b86edfa91cdAndreas Huber 635778822d86b0337407514b9372562b86edfa91cdAndreas Huberprotected: 645778822d86b0337407514b9372562b86edfa91cdAndreas Huber virtual ~NuMediaExtractor(); 655778822d86b0337407514b9372562b86edfa91cdAndreas Huber 665778822d86b0337407514b9372562b86edfa91cdAndreas Huberprivate: 675778822d86b0337407514b9372562b86edfa91cdAndreas Huber enum TrackFlags { 685778822d86b0337407514b9372562b86edfa91cdAndreas Huber kIsVorbis = 1, 695778822d86b0337407514b9372562b86edfa91cdAndreas Huber }; 705778822d86b0337407514b9372562b86edfa91cdAndreas Huber 715778822d86b0337407514b9372562b86edfa91cdAndreas Huber struct TrackInfo { 725778822d86b0337407514b9372562b86edfa91cdAndreas Huber sp<MediaSource> mSource; 735778822d86b0337407514b9372562b86edfa91cdAndreas Huber size_t mTrackIndex; 745778822d86b0337407514b9372562b86edfa91cdAndreas Huber status_t mFinalResult; 755778822d86b0337407514b9372562b86edfa91cdAndreas Huber MediaBuffer *mSample; 765778822d86b0337407514b9372562b86edfa91cdAndreas Huber int64_t mSampleTimeUs; 77ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6Andreas Huber 78ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6Andreas Huber uint32_t mTrackFlags; // bitmask of "TrackFlags" 795778822d86b0337407514b9372562b86edfa91cdAndreas Huber }; 805778822d86b0337407514b9372562b86edfa91cdAndreas Huber 815778822d86b0337407514b9372562b86edfa91cdAndreas Huber sp<MediaExtractor> mImpl; 825778822d86b0337407514b9372562b86edfa91cdAndreas Huber 835778822d86b0337407514b9372562b86edfa91cdAndreas Huber Vector<TrackInfo> mSelectedTracks; 845778822d86b0337407514b9372562b86edfa91cdAndreas Huber 855778822d86b0337407514b9372562b86edfa91cdAndreas Huber ssize_t fetchTrackSamples(int64_t seekTimeUs = -1ll); 865778822d86b0337407514b9372562b86edfa91cdAndreas Huber void releaseTrackSamples(); 875778822d86b0337407514b9372562b86edfa91cdAndreas Huber 885778822d86b0337407514b9372562b86edfa91cdAndreas Huber DISALLOW_EVIL_CONSTRUCTORS(NuMediaExtractor); 895778822d86b0337407514b9372562b86edfa91cdAndreas Huber}; 905778822d86b0337407514b9372562b86edfa91cdAndreas Huber 915778822d86b0337407514b9372562b86edfa91cdAndreas Huber} // namespace android 925778822d86b0337407514b9372562b86edfa91cdAndreas Huber 935778822d86b0337407514b9372562b86edfa91cdAndreas Huber#endif // NU_MEDIA_EXTRACTOR_H_ 945778822d86b0337407514b9372562b86edfa91cdAndreas Huber 95