NuPlayer.h revision 5bc087c573c70c84c6a39946457590b42d392a33 
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
24namespace android {
25
26struct ACodec;
27struct MetaData;
28
29struct NuPlayer : public AHandler {
30    NuPlayer();
31
32    void setListener(const wp<MediaPlayerBase> &listener);
33
34    void setDataSource(const sp<IStreamSource> &source);
35
36    void setDataSource(
37            const char *url, const KeyedVector<String8, String8> *headers);
38
39    void setVideoSurface(const sp<Surface> &surface);
40    void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink);
41    void start();
42
43protected:
44    virtual ~NuPlayer();
45
46    virtual void onMessageReceived(const sp<AMessage> &msg);
47
48private:
49    struct Decoder;
50    struct HTTPLiveSource;
51    struct NuPlayerStreamListener;
52    struct Renderer;
53    struct Source;
54    struct StreamingSource;
55
56    enum {
57        kWhatSetDataSource,
58        kWhatSetVideoSurface,
59        kWhatSetAudioSink,
60        kWhatMoreDataQueued,
61        kWhatStart,
62        kWhatScanSources,
63        kWhatVideoNotify,
64        kWhatAudioNotify,
65        kWhatRendererNotify,
66    };
67
68    wp<MediaPlayerBase> mListener;
69    sp<Source> mSource;
70    sp<Surface> mSurface;
71    sp<MediaPlayerBase::AudioSink> mAudioSink;
72    sp<Decoder> mVideoDecoder;
73    sp<Decoder> mAudioDecoder;
74    sp<Renderer> mRenderer;
75
76    bool mEOS;
77    bool mAudioEOS;
78    bool mVideoEOS;
79
80    bool mScanSourcesPending;
81
82    enum FlushStatus {
83        NONE,
84        AWAITING_DISCONTINUITY,
85        FLUSHING_DECODER,
86        FLUSHING_DECODER_FORMATCHANGE,
87        SHUTTING_DOWN_DECODER,
88        FLUSHED,
89        SHUT_DOWN,
90    };
91
92    FlushStatus mFlushingAudio;
93    FlushStatus mFlushingVideo;
94
95    status_t instantiateDecoder(bool audio, sp<Decoder> *decoder);
96
97    status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg);
98    void renderBuffer(bool audio, const sp<AMessage> &msg);
99
100    void notifyListener(int msg, int ext1, int ext2);
101
102    void finishFlushIfPossible();
103
104    static bool IsFlushingState(FlushStatus state, bool *formatChange = NULL);
105
106    DISALLOW_EVIL_CONSTRUCTORS(NuPlayer);
107};
108
109}  // namespace android
110
111#endif  // NU_PLAYER_H_
112