1 /*
2  * Copyright (C) 2010 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 VBRI_SEEKER_H_
18 
19 #define VBRI_SEEKER_H_
20 
21 #include "include/MP3Seeker.h"
22 
23 #include <utils/Vector.h>
24 
25 namespace android {
26 
27 class DataSource;
28 
29 struct VBRISeeker : public MP3Seeker {
30     static sp<VBRISeeker> CreateFromSource(
31             const sp<DataSource> &source, off64_t post_id3_pos);
32 
33     virtual bool getDuration(int64_t *durationUs);
34     virtual bool getOffsetForTime(int64_t *timeUs, off64_t *pos);
35 
36 private:
37     off64_t mBasePos;
38     int64_t mDurationUs;
39     Vector<uint32_t> mSegments;
40 
41     VBRISeeker();
42 
43     DISALLOW_EVIL_CONSTRUCTORS(VBRISeeker);
44 };
45 
46 }  // namespace android
47 
48 #endif  // VBRI_SEEKER_H_
49 
50 
51