NuPlayerDriver.h revision 57cea553cb19235553463412db5ad04c99835411 
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#include <media/MediaPlayerInterface.h>
18
19#include <media/stagefright/foundation/ABase.h>
20
21namespace android {
22
23struct ALooper;
24struct NuPlayer;
25
26struct NuPlayerDriver : public MediaPlayerInterface {
27    NuPlayerDriver();
28
29    virtual status_t initCheck();
30
31    virtual status_t setUID(uid_t uid);
32
33    virtual status_t setDataSource(
34            const char *url, const KeyedVector<String8, String8> *headers);
35
36    virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
37
38    virtual status_t setDataSource(const sp<IStreamSource> &source);
39
40    virtual status_t setVideoSurfaceTexture(
41            const sp<IGraphicBufferProducer> &bufferProducer);
42    virtual status_t prepare();
43    virtual status_t prepareAsync();
44    virtual status_t start();
45    virtual status_t stop();
46    virtual status_t pause();
47    virtual bool isPlaying();
48    virtual status_t seekTo(int msec);
49    virtual status_t getCurrentPosition(int *msec);
50    virtual status_t getDuration(int *msec);
51    virtual status_t reset();
52    virtual status_t setLooping(int loop);
53    virtual player_type playerType();
54    virtual status_t invoke(const Parcel &request, Parcel *reply);
55    virtual void setAudioSink(const sp<AudioSink> &audioSink);
56    virtual status_t setParameter(int key, const Parcel &request);
57    virtual status_t getParameter(int key, Parcel *reply);
58
59    virtual status_t getMetadata(
60            const media::Metadata::Filter& ids, Parcel *records);
61
62    virtual status_t dump(int fd, const Vector<String16> &args) const;
63
64    void notifySetDataSourceCompleted(status_t err);
65    void notifyPrepareCompleted(status_t err);
66    void notifyResetComplete();
67    void notifySetSurfaceComplete();
68    void notifyDuration(int64_t durationUs);
69    void notifyPosition(int64_t positionUs);
70    void notifySeekComplete();
71    void notifyFrameStats(int64_t numFramesTotal, int64_t numFramesDropped);
72    void notifyListener(int msg, int ext1 = 0, int ext2 = 0);
73    void notifyFlagsChanged(uint32_t flags);
74
75protected:
76    virtual ~NuPlayerDriver();
77
78private:
79    enum State {
80        STATE_IDLE,
81        STATE_SET_DATASOURCE_PENDING,
82        STATE_UNPREPARED,
83        STATE_PREPARING,
84        STATE_PREPARED,
85        STATE_RUNNING,
86        STATE_PAUSED,
87        STATE_RESET_IN_PROGRESS,
88    };
89
90    mutable Mutex mLock;
91    Condition mCondition;
92
93    State mState;
94
95    status_t mAsyncResult;
96
97    // The following are protected through "mLock"
98    // >>>
99    bool mSetSurfaceInProgress;
100    int64_t mDurationUs;
101    int64_t mPositionUs;
102    int64_t mNumFramesTotal;
103    int64_t mNumFramesDropped;
104    // <<<
105
106    sp<ALooper> mLooper;
107    sp<NuPlayer> mPlayer;
108    uint32_t mPlayerFlags;
109
110    bool mAtEOS;
111
112    int64_t mStartupSeekTimeUs;
113
114    status_t prepare_l();
115
116    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
117};
118
119}  // namespace android
120
121
122