1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 18 /* 19 * This file defines an NDK API. 20 * Do not remove methods. 21 * Do not change method signatures. 22 * Do not change the value of constants. 23 * Do not change the size of any of the classes defined in here. 24 * Do not reference types that are not part of the NDK. 25 * Do not #include files that aren't part of the NDK. 26 */ 27 28 #ifndef _NDK_MEDIA_DATASOURCE_PRIV_H 29 #define _NDK_MEDIA_DATASOURCE_PRIV_H 30 31 #include <sys/cdefs.h> 32 #include <sys/types.h> 33 34 #include <media/DataSource.h> 35 #include <media/NdkMediaDataSource.h> 36 #include <utils/Mutex.h> 37 #include <utils/String8.h> 38 39 using namespace android; 40 41 struct NdkDataSource : public DataSource { 42 43 NdkDataSource(AMediaDataSource *); 44 45 virtual status_t initCheck() const; 46 virtual ssize_t readAt(off64_t offset, void *data, size_t size); 47 virtual status_t getSize(off64_t *); 48 virtual String8 toString(); 49 virtual String8 getMIMEType() const; 50 virtual void close(); 51 52 protected: 53 virtual ~NdkDataSource(); 54 55 private: 56 57 Mutex mLock; 58 AMediaDataSource *mDataSource; 59 60 }; 61 62 #endif // _NDK_MEDIA_DATASOURCE_PRIV_H 63 64
