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 MEDIA_EXTRACTOR_H_ 1820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#define MEDIA_EXTRACTOR_H_ 2020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/RefBase.h> 2220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2320111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 2420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 2520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass DataSource; 2620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MediaSource; 2720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberclass MetaData; 2820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 29693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huberclass MediaExtractor : public RefBase { 3020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberpublic: 31693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber static sp<MediaExtractor> Create( 32693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber const sp<DataSource> &source, const char *mime = NULL); 3320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 34693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual size_t countTracks() = 0; 35693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual sp<MediaSource> getTrack(size_t index) = 0; 367e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber 377e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber enum GetTrackMetaDataFlags { 387e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber kIncludeExtensiveMetaData = 1 397e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber }; 407e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber virtual sp<MetaData> getTrackMetaData( 417e04dcf8d6784dd56f53aa90bf34431ab4f0710cAndreas Huber size_t index, uint32_t flags = 0) = 0; 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 43fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber // Return container specific meta-data. The default implementation 44fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber // returns an empty metadata object. 45fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber virtual sp<MetaData> getMetaData(); 46fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber 47acdd9d0f59c3d8bdc3de80664a609527ec3d21e2Andreas Huber enum Flags { 4870f521de2675ce6eedf4b22beed94ea1289b0f38Andreas Huber CAN_SEEK_BACKWARD = 1, // the "seek 10secs back button" 4970f521de2675ce6eedf4b22beed94ea1289b0f38Andreas Huber CAN_SEEK_FORWARD = 2, // the "seek 10secs forward button" 50acdd9d0f59c3d8bdc3de80664a609527ec3d21e2Andreas Huber CAN_PAUSE = 4, 5170f521de2675ce6eedf4b22beed94ea1289b0f38Andreas Huber CAN_SEEK = 8, // the "seek bar" 52acdd9d0f59c3d8bdc3de80664a609527ec3d21e2Andreas Huber }; 53acdd9d0f59c3d8bdc3de80664a609527ec3d21e2Andreas Huber 54acdd9d0f59c3d8bdc3de80664a609527ec3d21e2Andreas Huber // If subclasses do _not_ override this, the default is 5570f521de2675ce6eedf4b22beed94ea1289b0f38Andreas Huber // CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK | CAN_PAUSE 56acdd9d0f59c3d8bdc3de80664a609527ec3d21e2Andreas Huber virtual uint32_t flags() const; 57acdd9d0f59c3d8bdc3de80664a609527ec3d21e2Andreas Huber 58dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang // for DRM 599d2f386dd2885eaffa11fd494ae258bb09fe6397James Dong void setDrmFlag(bool flag) { 600d0edfb024f65f7e1097bf1814ae229ce9cb367dGloria Wang mIsDrm = flag; 610d0edfb024f65f7e1097bf1814ae229ce9cb367dGloria Wang }; 629d2f386dd2885eaffa11fd494ae258bb09fe6397James Dong bool getDrmFlag() { 630d0edfb024f65f7e1097bf1814ae229ce9cb367dGloria Wang return mIsDrm; 640d0edfb024f65f7e1097bf1814ae229ce9cb367dGloria Wang } 65dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang virtual char* getDrmTrackInfo(size_t trackID, int *len) { 66dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return NULL; 67dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 68dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 6920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprotected: 7020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaExtractor() {} 71693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber virtual ~MediaExtractor() {} 7220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huberprivate: 740d0edfb024f65f7e1097bf1814ae229ce9cb367dGloria Wang bool mIsDrm; 750d0edfb024f65f7e1097bf1814ae229ce9cb367dGloria Wang 7620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaExtractor(const MediaExtractor &); 7720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber MediaExtractor &operator=(const MediaExtractor &); 7820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber}; 7920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 8120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#endif // MEDIA_EXTRACTOR_H_ 83