NuPlayer.h revision 32f3cefa373cd55e63deda36ca9d07c7fe22eaaf 
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#include <media/stagefright/NativeWindowWrapper.h>
24#include <gui/SurfaceTextureClient.h>
25#include <surfaceflinger/Surface.h>
26
27namespace android {
28
29struct ACodec;
30struct MetaData;
31struct NuPlayerDriver;
32
33struct NuPlayer : public AHandler {
34    NuPlayer();
35
36    void setDriver(const wp<NuPlayerDriver> &driver);
37
38    void setDataSource(const sp<IStreamSource> &source);
39
40    void setDataSource(
41            const char *url, const KeyedVector<String8, String8> *headers);
42
43    void setVideoSurface(const sp<Surface> &surface);
44    void setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture);
45    void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink);
46    void start();
47
48    void pause();
49    void resume();
50
51    // Will notify the driver through "notifyResetComplete" once finished.
52    void resetAsync();
53
54    // Will notify the driver through "notifySeekComplete" once finished.
55    void seekToAsync(int64_t seekTimeUs);
56
57protected:
58    virtual ~NuPlayer();
59
60    virtual void onMessageReceived(const sp<AMessage> &msg);
61
62private:
63    struct Decoder;
64    struct HTTPLiveSource;
65    struct NuPlayerStreamListener;
66    struct Renderer;
67    struct Source;
68    struct StreamingSource;
69
70    enum {
71        kWhatSetDataSource,
72        kWhatSetVideoNativeWindow,
73        kWhatSetAudioSink,
74        kWhatMoreDataQueued,
75        kWhatStart,
76        kWhatScanSources,
77        kWhatVideoNotify,
78        kWhatAudioNotify,
79        kWhatRendererNotify,
80        kWhatReset,
81        kWhatSeek,
82        kWhatPause,
83        kWhatResume,
84    };
85
86    wp<NuPlayerDriver> mDriver;
87    sp<Source> mSource;
88    sp<NativeWindowWrapper> mNativeWindow;
89    sp<MediaPlayerBase::AudioSink> mAudioSink;
90    sp<Decoder> mVideoDecoder;
91    sp<Decoder> mAudioDecoder;
92    sp<Renderer> mRenderer;
93
94    bool mAudioEOS;
95    bool mVideoEOS;
96
97    bool mScanSourcesPending;
98    int32_t mScanSourcesGeneration;
99
100    enum FlushStatus {
101        NONE,
102        AWAITING_DISCONTINUITY,
103        FLUSHING_DECODER,
104        FLUSHING_DECODER_SHUTDOWN,
105        SHUTTING_DOWN_DECODER,
106        FLUSHED,
107        SHUT_DOWN,
108    };
109
110    FlushStatus mFlushingAudio;
111    FlushStatus mFlushingVideo;
112    bool mResetInProgress;
113    bool mResetPostponed;
114
115    int64_t mSkipRenderingAudioUntilMediaTimeUs;
116    int64_t mSkipRenderingVideoUntilMediaTimeUs;
117
118    status_t instantiateDecoder(bool audio, sp<Decoder> *decoder);
119
120    status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg);
121    void renderBuffer(bool audio, const sp<AMessage> &msg);
122
123    void notifyListener(int msg, int ext1, int ext2);
124
125    void finishFlushIfPossible();
126
127    void flushDecoder(bool audio, bool needShutdown);
128
129    static bool IsFlushingState(FlushStatus state, bool *needShutdown = NULL);
130
131    void finishReset();
132    void postScanSources();
133
134    DISALLOW_EVIL_CONSTRUCTORS(NuPlayer);
135};
136
137}  // namespace android
138
139#endif  // NU_PLAYER_H_
140