NuPlayerDriver.h revision 99f31604136d66ae10e20669fb6b5716f342bde0 
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 sp<IMediaHTTPService> &httpService,
35            const char *url,
36            const KeyedVector<String8, String8> *headers);
37
38    virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
39
40    virtual status_t setDataSource(const sp<IStreamSource> &source);
41
42    virtual status_t setDataSource(const sp<DataSource>& dataSource);
43
44    virtual status_t setVideoSurfaceTexture(
45            const sp<IGraphicBufferProducer> &bufferProducer);
46    virtual status_t prepare();
47    virtual status_t prepareAsync();
48    virtual status_t start();
49    virtual status_t stop();
50    virtual status_t pause();
51    virtual bool isPlaying();
52    virtual status_t setPlaybackRate(float rate);
53    virtual status_t seekTo(int msec);
54    virtual status_t getCurrentPosition(int *msec);
55    virtual status_t getDuration(int *msec);
56    virtual status_t reset();
57    virtual status_t setLooping(int loop);
58    virtual player_type playerType();
59    virtual status_t invoke(const Parcel &request, Parcel *reply);
60    virtual void setAudioSink(const sp<AudioSink> &audioSink);
61    virtual status_t setParameter(int key, const Parcel &request);
62    virtual status_t getParameter(int key, Parcel *reply);
63
64    virtual status_t getMetadata(
65            const media::Metadata::Filter& ids, Parcel *records);
66
67    virtual status_t dump(int fd, const Vector<String16> &args) const;
68
69    void notifySetDataSourceCompleted(status_t err);
70    void notifyPrepareCompleted(status_t err);
71    void notifyResetComplete();
72    void notifySetSurfaceComplete();
73    void notifyDuration(int64_t durationUs);
74    void notifySeekComplete();
75    void notifySeekComplete_l();
76    void notifyListener(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
77    void notifyFlagsChanged(uint32_t flags);
78
79protected:
80    virtual ~NuPlayerDriver();
81
82private:
83    enum State {
84        STATE_IDLE,
85        STATE_SET_DATASOURCE_PENDING,
86        STATE_UNPREPARED,
87        STATE_PREPARING,
88        STATE_PREPARED,
89        STATE_RUNNING,
90        STATE_PAUSED,
91        STATE_RESET_IN_PROGRESS,
92        STATE_STOPPED,                  // equivalent to PAUSED
93        STATE_STOPPED_AND_PREPARING,    // equivalent to PAUSED, but seeking
94        STATE_STOPPED_AND_PREPARED,     // equivalent to PAUSED, but seek complete
95    };
96
97    mutable Mutex mLock;
98    Condition mCondition;
99
100    State mState;
101
102    bool mIsAsyncPrepare;
103    status_t mAsyncResult;
104
105    // The following are protected through "mLock"
106    // >>>
107    bool mSetSurfaceInProgress;
108    int64_t mDurationUs;
109    int64_t mPositionUs;
110    bool mSeekInProgress;
111    // <<<
112
113    sp<ALooper> mLooper;
114    sp<NuPlayer> mPlayer;
115    sp<AudioSink> mAudioSink;
116    uint32_t mPlayerFlags;
117
118    bool mAtEOS;
119    bool mLooping;
120    bool mAutoLoop;
121
122    int64_t mStartupSeekTimeUs;
123
124    status_t prepare_l();
125    void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
126
127    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
128};
129
130}  // namespace android
131
132
133