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 #ifndef MEDIA_HTTP_H_ 18 19 #define MEDIA_HTTP_H_ 20 21 #include <media/stagefright/foundation/AString.h> 22 23 #include "HTTPBase.h" 24 25 namespace android { 26 27 struct MediaHTTPConnection; 28 29 struct MediaHTTP : public HTTPBase { 30 MediaHTTP(const sp<MediaHTTPConnection> &conn); 31 32 virtual status_t connect( 33 const char *uri, 34 const KeyedVector<String8, String8> *headers, 35 off64_t offset); 36 37 virtual void close(); 38 39 virtual void disconnect(); 40 41 virtual status_t initCheck() const; 42 43 virtual ssize_t readAt(off64_t offset, void *data, size_t size); 44 45 virtual status_t getSize(off64_t *size); 46 47 virtual uint32_t flags(); 48 49 virtual status_t reconnectAtOffset(off64_t offset); 50 51 protected: 52 virtual ~MediaHTTP(); 53 54 virtual String8 getUri(); 55 virtual String8 getMIMEType() const; 56 57 AString mLastURI; 58 59 private: 60 status_t mInitCheck; 61 sp<MediaHTTPConnection> mHTTPConnection; 62 63 KeyedVector<String8, String8> mLastHeaders; 64 65 bool mCachedSizeValid; 66 off64_t mCachedSize; 67 68 DISALLOW_EVIL_CONSTRUCTORS(MediaHTTP); 69 }; 70 71 } // namespace android 72 73 #endif // MEDIA_HTTP_H_ 74