MediaHTTP.h revision e2b43843fd12783188edd2c54188ea8d26864788 
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
25namespace android {
26
27struct IMediaHTTPConnection;
28
29struct MediaHTTP : public HTTPBase {
30    MediaHTTP(const sp<IMediaHTTPConnection> &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
49protected:
50    virtual ~MediaHTTP();
51
52    virtual sp<DecryptHandle> DrmInitialization(const char* mime);
53    virtual void getDrmInfo(sp<DecryptHandle> &handle, DrmManagerClient **client);
54    virtual String8 getUri();
55    virtual String8 getMIMEType() const;
56
57private:
58    status_t mInitCheck;
59    sp<IMediaHTTPConnection> mHTTPConnection;
60
61    KeyedVector<String8, String8> mLastHeaders;
62    AString mLastURI;
63
64    bool mCachedSizeValid;
65    off64_t mCachedSize;
66
67    sp<DecryptHandle> mDecryptHandle;
68    DrmManagerClient *mDrmManagerClient;
69
70    void clearDRMState_l();
71
72    DISALLOW_EVIL_CONSTRUCTORS(MediaHTTP);
73};
74
75}  // namespace android
76
77#endif  // MEDIA_HTTP_H_
78