WVMExtractor.h revision cd0b0fe858a9f109281031717d5c0001953b9054
1b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang/* 2b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * Copyright (C) 2010 The Android Open Source Project 3b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * 4b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * Licensed under the Apache License, Version 2.0 (the "License"); 5b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * you may not use this file except in compliance with the License. 6b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * You may obtain a copy of the License at 7b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * 8b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * http://www.apache.org/licenses/LICENSE-2.0 9b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * 10b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * Unless required by applicable law or agreed to in writing, software 11b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * distributed under the License is distributed on an "AS IS" BASIS, 12b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * See the License for the specific language governing permissions and 14b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang * limitations under the License. 15b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang */ 16b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 17b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang#ifndef WVM_EXTRACTOR_H_ 18b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 19b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang#define WVM_EXTRACTOR_H_ 20b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 21b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang#include <media/stagefright/MediaExtractor.h> 22681755fc0d0797506456f46a2a10555916d6be32Andreas Huber#include <utils/Errors.h> 23b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 24b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wangnamespace android { 25b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 26b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wangclass DataSource; 27b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 28cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinkerclass WVMLoadableExtractor : public MediaExtractor { 29cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinkerpublic: 30cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker WVMLoadableExtractor() {} 31cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker virtual ~WVMLoadableExtractor() {} 32cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker 33cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker virtual int64_t getCachedDurationUs(status_t *finalStatus) = 0; 34cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker virtual void setAdaptiveStreamingMode(bool adaptive) = 0; 35cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker}; 36cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker 37b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wangclass WVMExtractor : public MediaExtractor { 38b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wangpublic: 39b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang WVMExtractor(const sp<DataSource> &source); 40b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 41b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang virtual size_t countTracks(); 42b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang virtual sp<MediaSource> getTrack(size_t index); 43b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 44b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang virtual sp<MetaData> getMetaData(); 45b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 46681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // Return the amount of data cached from the current 47681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // playback positiion (in us). 48681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // While more data is still being fetched *finalStatus == OK, 49681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // Once fetching is completed (no more data available), *finalStatus != OK 50681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // If fetching completed normally (i.e. reached EOS instead of IO error) 51681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // *finalStatus == ERROR_END_OF_STREAM 52681755fc0d0797506456f46a2a10555916d6be32Andreas Huber int64_t getCachedDurationUs(status_t *finalStatus); 53681755fc0d0797506456f46a2a10555916d6be32Andreas Huber 54681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // Set to use adaptive streaming mode by the WV component. 55681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // If adaptive == true, adaptive streaming mode will be used. 56681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // Default mode is non-adaptive streaming mode. 57681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // Should set to use adaptive streaming mode only if widevine:// protocol 58681755fc0d0797506456f46a2a10555916d6be32Andreas Huber // is used. 59681755fc0d0797506456f46a2a10555916d6be32Andreas Huber void setAdaptiveStreamingMode(bool adaptive); 60681755fc0d0797506456f46a2a10555916d6be32Andreas Huber 61b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wangprotected: 62b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang virtual ~WVMExtractor(); 63b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 64b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wangprivate: 65b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang sp<DataSource> mDataSource; 66cd0b0fe858a9f109281031717d5c0001953b9054Jeffrey Tinker sp<WVMLoadableExtractor> mImpl; 67b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 68b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang WVMExtractor(const WVMExtractor &); 69b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang WVMExtractor &operator=(const WVMExtractor &); 70b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang}; 71b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 72b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang} // namespace android 73b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 74b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang#endif // DRM_EXTRACTOR_H_ 75b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 76