StreamingSource.h revision 093024bfa271988655327e0fb761b581afa8bc11 
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 STREAMING_SOURCE_H_
18
19#define STREAMING_SOURCE_H_
20
21#include "NuPlayer.h"
22#include "NuPlayerSource.h"
23
24namespace android {
25
26struct ABuffer;
27struct ATSParser;
28struct AnotherPacketSource;
29
30struct NuPlayer::StreamingSource : public NuPlayer::Source {
31    StreamingSource(
32            const sp<AMessage> &notify,
33            const sp<IStreamSource> &source);
34
35    virtual void prepareAsync();
36    virtual void start();
37
38    virtual status_t feedMoreTSData();
39
40    virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
41
42    virtual bool isRealTime() const;
43
44protected:
45    virtual ~StreamingSource();
46
47    virtual void onMessageReceived(const sp<AMessage> &msg);
48
49    virtual sp<AMessage> getFormat(bool audio);
50
51private:
52    enum {
53        kWhatReadBuffer,
54    };
55    sp<IStreamSource> mSource;
56    status_t mFinalResult;
57    sp<NuPlayerStreamListener> mStreamListener;
58    sp<ATSParser> mTSParser;
59
60    bool mBuffering;
61    Mutex mBufferingLock;
62    sp<ALooper> mLooper;
63
64    void setError(status_t err);
65    sp<AnotherPacketSource> getSource(bool audio);
66    bool haveSufficientDataOnAllTracks();
67    status_t postReadBuffer();
68    void onReadBuffer();
69
70    DISALLOW_EVIL_CONSTRUCTORS(StreamingSource);
71};
72
73}  // namespace android
74
75#endif  // STREAMING_SOURCE_H_
76