1 /*
2  * Copyright (C) 2013 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 "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 disconnect();
38 
39     virtual status_t initCheck() const;
40 
41     virtual ssize_t readAt(off64_t offset, void *data, size_t size);
42 
43     virtual status_t getSize(off64_t *size);
44 
45     virtual uint32_t flags();
46 
47     virtual status_t reconnectAtOffset(off64_t offset);
48 
49 protected:
50     virtual ~MediaHTTP();
51 
52     virtual sp<DecryptHandle> DrmInitialization(const char* mime);
53     virtual String8 getUri();
54     virtual String8 getMIMEType() const;
55 
56 private:
57     status_t mInitCheck;
58     sp<MediaHTTPConnection> mHTTPConnection;
59 
60     KeyedVector<String8, String8> mLastHeaders;
61     AString mLastURI;
62 
63     bool mCachedSizeValid;
64     off64_t mCachedSize;
65 
66     sp<DecryptHandle> mDecryptHandle;
67     DrmManagerClient *mDrmManagerClient;
68 
69     void clearDRMState_l();
70 
71     DISALLOW_EVIL_CONSTRUCTORS(MediaHTTP);
72 };
73 
74 }  // namespace android
75 
76 #endif  // MEDIA_HTTP_H_
77