1/*
2 * Copyright (C) 2009 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 JPEG_SOURCE_H_
18
19#define JPEG_SOURCE_H_
20
21#include <media/stagefright/MediaSource.h>
22
23namespace android {
24
25class DataSource;
26class MediaBufferGroup;
27
28struct JPEGSource : public MediaSource {
29    JPEGSource(const sp<DataSource> &source);
30
31    virtual status_t start(MetaData *params = NULL);
32    virtual status_t stop();
33    virtual sp<MetaData> getFormat();
34
35    virtual status_t read(
36            MediaBuffer **buffer, const ReadOptions *options = NULL);
37
38protected:
39    virtual ~JPEGSource();
40
41private:
42    sp<DataSource> mSource;
43    MediaBufferGroup *mGroup;
44    bool mStarted;
45    off64_t mSize;
46    int32_t mWidth, mHeight;
47    off64_t mOffset;
48
49    status_t parseJPEG();
50
51    JPEGSource(const JPEGSource &);
52    JPEGSource &operator=(const JPEGSource &);
53};
54
55}  // namespace android
56
57#endif  // JPEG_SOURCE_H_
58
59