AnotherPacketSource.h revision 22fc52f6f72f39e33c3970d0291de3569118aa5c 
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
26#include "ATSParser.h"
27
28namespace android {
29
30struct ABuffer;
31
32struct AnotherPacketSource : public MediaSource {
33    AnotherPacketSource(const sp<MetaData> &meta);
34
35    void setFormat(const sp<MetaData> &meta);
36
37    virtual status_t start(MetaData *params = NULL);
38    virtual status_t stop();
39    virtual sp<MetaData> getFormat();
40
41    virtual status_t read(
42            MediaBuffer **buffer, const ReadOptions *options = NULL);
43
44    bool hasBufferAvailable(status_t *finalResult);
45
46    status_t nextBufferTime(int64_t *timeUs);
47
48    void queueAccessUnit(const sp<ABuffer> &buffer);
49    void queueDiscontinuity(ATSParser::DiscontinuityType type);
50    void signalEOS(status_t result);
51
52    status_t dequeueAccessUnit(sp<ABuffer> *buffer);
53
54protected:
55    virtual ~AnotherPacketSource();
56
57private:
58    Mutex mLock;
59    Condition mCondition;
60
61    sp<MetaData> mFormat;
62    List<sp<ABuffer> > mBuffers;
63    status_t mEOSResult;
64
65    DISALLOW_EVIL_CONSTRUCTORS(AnotherPacketSource);
66};
67
68
69}  // namespace android
70
71#endif  // ANOTHER_PACKET_SOURCE_H_
72