MPEG4Extractor.h revision 05f625c46b992ab66b8d1527a366fe2746b4e3c7
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 2105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen#include <arpa/inet.h> 2205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 2305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen#include <media/stagefright/DataSource.h> 2420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaExtractor.h> 2505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen#include <media/stagefright/Utils.h> 2605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen#include <utils/List.h> 2772b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber#include <utils/Vector.h> 285d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen#include <utils/String8.h> 2920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3020111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 3120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 325a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huberstruct AMessage; 3320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass DataSource; 3420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass SampleTable; 3520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass String8; 3620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3705f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissenstruct SidxEntry { 3805f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen size_t mSize; 3905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint32_t mDurationUs; 4005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen}; 4105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Extractor : public MediaExtractor { 4320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 4420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Extractor assumes ownership of "source". 45693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber MPEG4Extractor(const sp<DataSource> &source); 4620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 477be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual size_t countTracks(); 487be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MediaSource> getTrack(size_t index); 497be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 507be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 517be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MetaData> getMetaData(); 5205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual uint32_t flags() const; 53693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 54dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang // for DRM 55dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang virtual char* getDrmTrackInfo(size_t trackID, int *len); 56dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 57693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 58693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Extractor(); 5920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 6105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 6220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber struct Track { 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *next; 6420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> meta; 6520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t timescale; 66693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<SampleTable> sampleTable; 677e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber bool includes_expensive_metadata; 686f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber bool skipTrack; 6920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber }; 7020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> mSidxEntries; 7205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen uint64_t mSidxDuration; 7305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mMoofOffset; 7405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 75693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<DataSource> mDataSource; 76bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber status_t mInitCheck; 777be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber bool mHasVideo; 7820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *mFirstTrack, *mLastTrack; 8020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8172b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber sp<MetaData> mFileMetaData; 8272b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 8372b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber Vector<uint32_t> mPath; 845d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentMean; 855d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentName; 865d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentData; 8720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t readMetaData(); 89c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseChunk(off64_t *offset, int depth); 90c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseMetaData(off64_t offset, size_t size); 9120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 92ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber status_t updateAudioTrackInfoFromESDS_MPEG4Audio( 93ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const void *esds_data, size_t esds_size); 94ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 95bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber static status_t verifyTrack(Track *track); 96bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 97dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang struct SINF { 98dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *next; 99dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint16_t trackID; 100dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t IPMPDescriptorID; 101dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang ssize_t len; 102dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang char *IPMPData; 103dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang }; 104dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 105dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *mFirstSINF; 106dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 107dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool mIsDrm; 108c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseDrmSINF(off64_t *offset, off64_t data_offset); 109dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 110c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseTrackHeader(off64_t data_offset, off64_t data_size); 111ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 11205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseSegmentIndex(off64_t data_offset, size_t data_size); 11305f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 114bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber Track *findTrackByMimePrefix(const char *mimePrefix); 115bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 11620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor(const MPEG4Extractor &); 11720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor &operator=(const MPEG4Extractor &); 11820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 11920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 120693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberbool SniffMPEG4( 1215a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 1225a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber sp<AMessage> *); 12320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 12420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 12520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 12620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#endif // MPEG4_EXTRACTOR_H_ 127