1/*
2 * Copyright (C) 2011 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 DATA_URI_SOURCE_H_
18
19#define DATA_URI_SOURCE_H_
20
21#include <stdio.h>
22
23#include <media/stagefright/DataSource.h>
24#include <media/stagefright/MediaErrors.h>
25#include <media/stagefright/foundation/AString.h>
26
27namespace android {
28
29class DataUriSource : public DataSource {
30public:
31    DataUriSource(const char *uri);
32
33    virtual status_t initCheck() const {
34        return mInited;
35    }
36
37    virtual ssize_t readAt(off64_t offset, void *data, size_t size);
38
39    virtual status_t getSize(off64_t *size) {
40        if (mInited != OK) {
41            return mInited;
42        }
43
44        *size = mData.size();
45        return OK;
46    }
47
48    virtual String8 getUri() {
49        return mDataUri;
50    }
51
52    virtual String8 getMIMEType() const {
53        return mMimeType;
54    }
55
56protected:
57    virtual ~DataUriSource() {
58        // Nothing to delete.
59    }
60
61private:
62    const String8 mDataUri;
63
64    String8 mMimeType;
65    // Use AString because individual bytes may not be valid UTF8 chars.
66    AString mData;
67    status_t mInited;
68
69    // Disallow copy and assign.
70    DataUriSource(const DataUriSource &);
71    DataUriSource &operator=(const DataUriSource &);
72};
73
74}  // namespace android
75
76#endif  // DATA_URI_SOURCE_H_
77