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 42c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissenstruct Trex { 43c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t track_ID; 44c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t default_sample_description_index; 45c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t default_sample_duration; 46c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t default_sample_size; 47c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen uint32_t default_sample_flags; 48c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen}; 49c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 5020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MPEG4Extractor : public MediaExtractor { 5120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 5220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber // Extractor assumes ownership of "source". 53693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber MPEG4Extractor(const sp<DataSource> &source); 5420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 557be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual size_t countTracks(); 567be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MediaSource> getTrack(size_t index); 577be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 587be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber 597be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber virtual sp<MetaData> getMetaData(); 6005f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen virtual uint32_t flags() const; 61693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 62dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang // for DRM 63dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang virtual char* getDrmTrackInfo(size_t trackID, int *len); 64dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 65693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberprotected: 66693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MPEG4Extractor(); 6720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 6905f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 70ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen struct PsshInfo { 71ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t uuid[16]; 72ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint32_t datalen; 73ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen uint8_t *data; 74ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen }; 7520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber struct Track { 7620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *next; 7720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber sp<MetaData> meta; 7820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber uint32_t timescale; 79693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<SampleTable> sampleTable; 807e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber bool includes_expensive_metadata; 816f3a0c2dcb8d37d34e29e6a02acf1e3f8596088cAndreas Huber bool skipTrack; 8220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber }; 8320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8405f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen Vector<SidxEntry> mSidxEntries; 8505f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen off64_t mMoofOffset; 8605f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 87ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen Vector<PsshInfo> mPssh; 88ec77122351b4e78c1fe5b60a208f76baf8c67591Marco Nelissen 89c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen Vector<Trex> mTrex; 90c1f4b2b73fe9432cb75ce1dd368475a2867e70edMarco Nelissen 91693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber sp<DataSource> mDataSource; 92bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber status_t mInitCheck; 937be6407f2ad7f2b0782d195d9f792072c084d6f5Andreas Huber bool mHasVideo; 94fc80e9ec5582770cb5a7fef172af3b52625ecce7Marco Nelissen uint32_t mHeaderTimescale; 9520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Track *mFirstTrack, *mLastTrack; 9720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9872b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber sp<MetaData> mFileMetaData; 9972b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber 10072b8c5ae6a5f97a4fcfc6d23d33159d6ae50179cAndreas Huber Vector<uint32_t> mPath; 1015d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentMean; 1025d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentName; 1035d2f8ba30c24ea597d54468cda01c7ec5f6a0e66Marco Nelissen String8 mLastCommentData; 10420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber status_t readMetaData(); 106c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseChunk(off64_t *offset, int depth); 107fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé status_t parseITunesMetaData(off64_t offset, size_t size); 108fbc9d2b9cda433d98c36acb842c4a91fdeeb75e0Oscar Rydhé status_t parse3GPPMetaData(off64_t offset, size_t size, int depth); 109328abde67f57c026ac44e927f9244c40832499c8Oscar Rydhé void parseID3v2MetaData(off64_t offset); 11020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 111ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber status_t updateAudioTrackInfoFromESDS_MPEG4Audio( 112ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber const void *esds_data, size_t esds_size); 113ba7c7eeca462614251aec3d27f0f7ff3a83cefa1Andreas Huber 114bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber static status_t verifyTrack(Track *track); 115bd5d93f21e6f79c6d9ebe9d77542c3090d4a7ff4Andreas Huber 116dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang struct SINF { 117dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *next; 118dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint16_t trackID; 119dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang uint8_t IPMPDescriptorID; 120dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang ssize_t len; 121dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang char *IPMPData; 122dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang }; 123dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 124dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang SINF *mFirstSINF; 125dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 126dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang bool mIsDrm; 127c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseDrmSINF(off64_t *offset, off64_t data_offset); 128dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 129c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong status_t parseTrackHeader(off64_t data_offset, off64_t data_size); 130ba529e486dde15fe75ea1b48570f9d60a4cf3c48Andreas Huber 13105f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen status_t parseSegmentIndex(off64_t data_offset, size_t data_size); 13205f625c46b992ab66b8d1527a366fe2746b4e3c7Marco Nelissen 133bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber Track *findTrackByMimePrefix(const char *mimePrefix); 134bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73Andreas Huber 13520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor(const MPEG4Extractor &); 13620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MPEG4Extractor &operator=(const MPEG4Extractor &); 13720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 13820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 139693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberbool SniffMPEG4( 1405a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber const sp<DataSource> &source, String8 *mimeType, float *confidence, 1415a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber sp<AMessage> *); 14220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 14320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 14420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 14520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#endif // MPEG4_EXTRACTOR_H_ 146