MPEG4Extractor.h revision 7e04dcf8d6784dd56f53aa90bf34431ab4f0710c
120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber/* 220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Copyright (C) 2009 The Android Open Source Project 320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * you may not use this file except in compliance with the License. 620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * You may obtain a copy of the License at 720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 1020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Unless required by applicable law or agreed to in writing, software 1120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 1220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * See the License for the specific language governing permissions and 1420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * limitations under the License. 1520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber */ 1620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#ifndef MPEG4_EXTRACTOR_H_ 1820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#define MPEG4_EXTRACTOR_H_ 2020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaExtractor.h> 2220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2320111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 2420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass DataSource; 2620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass SampleTable; 2720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass String8; 2820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Extractor : public MediaExtractor { 3020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 3120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Extractor assumes ownership of "source". 32693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber MPEG4Extractor(const sp<DataSource> &source); 3320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 34693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber size_t countTracks(); 35693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<MediaSource> getTrack(size_t index); 367e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 37693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 38693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 39693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Extractor(); 4020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber struct Track { 4320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *next; 4420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> meta; 4520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t timescale; 46693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<SampleTable> sampleTable; 477e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber bool includes_expensive_metadata; 4820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber }; 4920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 50693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<DataSource> mDataSource; 5120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber bool mHaveMetadata; 5220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *mFirstTrack, *mLastTrack; 5420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t mHandlerType; 5620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t readMetaData(); 5820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t parseChunk(off_t *offset, int depth); 5920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor(const MPEG4Extractor &); 6120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor &operator=(const MPEG4Extractor &); 6220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 64693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberbool SniffMPEG4( 65693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence); 6620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 6820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#endif // MPEG4_EXTRACTOR_H_ 70