AnotherPacketSource.h revision bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0 
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 ANOTHER_PACKET_SOURCE_H_
18
19#define ANOTHER_PACKET_SOURCE_H_
20
21#include <media/stagefright/foundation/ABase.h>
22#include <media/stagefright/MediaSource.h>
23#include <utils/threads.h>
24#include <utils/List.h>
25
26namespace android {
27
28struct ABuffer;
29
30struct AnotherPacketSource : public MediaSource {
31    AnotherPacketSource(const sp<MetaData> &meta);
32
33    virtual status_t start(MetaData *params = NULL);
34    virtual status_t stop();
35    virtual sp<MetaData> getFormat();
36
37    virtual status_t read(
38            MediaBuffer **buffer, const ReadOptions *options = NULL);
39
40    bool hasBufferAvailable(status_t *finalResult);
41
42    void queueAccessUnit(const sp<ABuffer> &buffer);
43    void queueDiscontinuity();
44    void signalEOS(status_t result);
45
46    void clear();
47
48protected:
49    virtual ~AnotherPacketSource();
50
51private:
52    Mutex mLock;
53    Condition mCondition;
54
55    sp<MetaData> mFormat;
56    List<sp<ABuffer> > mBuffers;
57    status_t mEOSResult;
58
59    DISALLOW_EVIL_CONSTRUCTORS(AnotherPacketSource);
60};
61
62
63}  // namespace android
64
65#endif  // ANOTHER_PACKET_SOURCE_H_
66