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> 2272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber#include <utils/Vector.h> 235d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen#include <utils/String8.h> 2420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2520111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 2620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 275a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huberstruct AMessage; 2820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass DataSource; 2920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass SampleTable; 3020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass String8; 3120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Extractor : public MediaExtractor { 3320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 3420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Extractor assumes ownership of "source". 35693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber MPEG4Extractor(const sp<DataSource> &source); 3620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 377be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual size_t countTracks(); 387be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MediaSource> getTrack(size_t index); 397be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 407be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 417be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MetaData> getMetaData(); 42693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 43dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang // for DRM 44dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang virtual char* getDrmTrackInfo(size_t trackID, int *len); 45dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 46693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 47693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Extractor(); 4820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 4920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 5020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber struct Track { 5120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *next; 5220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> meta; 5320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t timescale; 54693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<SampleTable> sampleTable; 557e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber bool includes_expensive_metadata; 566f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber bool skipTrack; 5720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber }; 5820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 59693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<DataSource> mDataSource; 60bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber status_t mInitCheck; 617be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber bool mHasVideo; 6220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *mFirstTrack, *mLastTrack; 6420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6572b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber sp<MetaData> mFileMetaData; 6672b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 6772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber Vector<uint32_t> mPath; 685d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentMean; 695d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentName; 705d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentData; 7120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t readMetaData(); 73c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseChunk(off64_t *offset, int depth); 74c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseMetaData(off64_t offset, size_t size); 7520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 76ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber status_t updateAudioTrackInfoFromESDS_MPEG4Audio( 77ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const void *esds_data, size_t esds_size); 78ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 79bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber static status_t verifyTrack(Track *track); 80bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 81dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang struct SINF { 82dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *next; 83dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint16_t trackID; 84dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t IPMPDescriptorID; 85dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang ssize_t len; 86dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang char *IPMPData; 87dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang }; 88dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 89dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *mFirstSINF; 90dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 91dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool mIsDrm; 92c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseDrmSINF(off64_t *offset, off64_t data_offset); 93dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 94c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseTrackHeader(off64_t data_offset, off64_t data_size); 95ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 96bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber Track *findTrackByMimePrefix(const char *mimePrefix); 97bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 9820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor(const MPEG4Extractor &); 9920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor &operator=(const MPEG4Extractor &); 10020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 10120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 102693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberbool SniffMPEG4( 1035a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 1045a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber sp<AMessage> *); 10520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 10720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#endif // MPEG4_EXTRACTOR_H_ 109