NuPlayer.h revision f933441648ef6a71dee783d733aac17b9508b452 
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 NU_PLAYER_H_
18
19#define NU_PLAYER_H_
20
21#include <media/MediaPlayerInterface.h>
22#include <media/stagefright/foundation/AHandler.h>
23
24#include "ATSParser.h"
25#include "AnotherPacketSource.h"
26
27namespace android {
28
29struct ACodec;
30struct MetaData;
31
32struct NuPlayer : public AHandler {
33    NuPlayer();
34
35    void setListener(const wp<MediaPlayerBase> &listener);
36
37    void setDataSource(const sp<IStreamSource> &source);
38    void setVideoSurface(const sp<Surface> &surface);
39    void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink);
40    void start();
41
42protected:
43    virtual ~NuPlayer();
44
45    virtual void onMessageReceived(const sp<AMessage> &msg);
46
47private:
48    struct Renderer;
49    struct Decoder;
50    struct NuPlayerStreamListener;
51
52    enum {
53        kWhatSetDataSource,
54        kWhatSetVideoSurface,
55        kWhatSetAudioSink,
56        kWhatMoreDataQueued,
57        kWhatStart,
58        kWhatScanSources,
59        kWhatVideoNotify,
60        kWhatAudioNotify,
61        kWhatRendererNotify,
62    };
63
64    wp<MediaPlayerBase> mListener;
65    sp<IStreamSource> mSource;
66    sp<Surface> mSurface;
67    sp<MediaPlayerBase::AudioSink> mAudioSink;
68    sp<NuPlayerStreamListener> mStreamListener;
69    sp<ATSParser> mTSParser;
70    sp<Decoder> mVideoDecoder;
71    sp<Decoder> mAudioDecoder;
72    sp<Renderer> mRenderer;
73
74    bool mEOS;
75    bool mAudioEOS;
76    bool mVideoEOS;
77
78    enum FlushStatus {
79        NONE,
80        AWAITING_DISCONTINUITY,
81        FLUSHING_DECODER,
82        FLUSHED
83    };
84
85    FlushStatus mFlushingAudio;
86    FlushStatus mFlushingVideo;
87
88    status_t instantiateDecoder(
89            bool audio, sp<Decoder> *decoder);
90
91    status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg);
92    void renderBuffer(bool audio, const sp<AMessage> &msg);
93
94    status_t dequeueNextAccessUnit(
95            ATSParser::SourceType *type, sp<ABuffer> *accessUnit);
96
97    status_t dequeueAccessUnit(
98            ATSParser::SourceType type, sp<ABuffer> *accessUnit);
99
100    void feedMoreTSData();
101    void notifyListener(int msg, int ext1, int ext2);
102
103    DISALLOW_EVIL_CONSTRUCTORS(NuPlayer);
104};
105
106}  // namespace android
107
108#endif  // NU_PLAYER_H_
109