NuPlayerDriver.h revision c5de09127e9e0d5df7aa587be317e1487d793245 
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    explicit NuPlayerDriver(pid_t pid);
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 setPlaybackSettings(const AudioPlaybackRate &rate);
53    virtual status_t getPlaybackSettings(AudioPlaybackRate *rate);
54    virtual status_t setSyncSettings(const AVSyncSettings &sync, float videoFpsHint);
55    virtual status_t getSyncSettings(AVSyncSettings *sync, float *videoFps);
56    virtual status_t seekTo(
57            int msec, MediaPlayerSeekMode mode = MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC);
58    virtual status_t getCurrentPosition(int *msec);
59    virtual status_t getDuration(int *msec);
60    virtual status_t reset();
61    virtual status_t setLooping(int loop);
62    virtual player_type playerType();
63    virtual status_t invoke(const Parcel &request, Parcel *reply);
64    virtual void setAudioSink(const sp<AudioSink> &audioSink);
65    virtual status_t setParameter(int key, const Parcel &request);
66    virtual status_t getParameter(int key, Parcel *reply);
67
68    virtual status_t getMetadata(
69            const media::Metadata::Filter& ids, Parcel *records);
70
71    virtual status_t dump(int fd, const Vector<String16> &args) const;
72
73    void notifySetDataSourceCompleted(status_t err);
74    void notifyPrepareCompleted(status_t err);
75    void notifyResetComplete();
76    void notifySetSurfaceComplete();
77    void notifyDuration(int64_t durationUs);
78    void notifySeekComplete();
79    void notifySeekComplete_l();
80    void notifyListener(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
81    void notifyFlagsChanged(uint32_t flags);
82
83protected:
84    virtual ~NuPlayerDriver();
85
86private:
87    enum State {
88        STATE_IDLE,
89        STATE_SET_DATASOURCE_PENDING,
90        STATE_UNPREPARED,
91        STATE_PREPARING,
92        STATE_PREPARED,
93        STATE_RUNNING,
94        STATE_PAUSED,
95        STATE_RESET_IN_PROGRESS,
96        STATE_STOPPED,                  // equivalent to PAUSED
97        STATE_STOPPED_AND_PREPARING,    // equivalent to PAUSED, but seeking
98        STATE_STOPPED_AND_PREPARED,     // equivalent to PAUSED, but seek complete
99    };
100
101    mutable Mutex mLock;
102    Condition mCondition;
103
104    State mState;
105
106    bool mIsAsyncPrepare;
107    status_t mAsyncResult;
108
109    // The following are protected through "mLock"
110    // >>>
111    bool mSetSurfaceInProgress;
112    int64_t mDurationUs;
113    int64_t mPositionUs;
114    bool mSeekInProgress;
115    // <<<
116
117    sp<ALooper> mLooper;
118    sp<NuPlayer> mPlayer;
119    sp<AudioSink> mAudioSink;
120    uint32_t mPlayerFlags;
121
122    bool mAtEOS;
123    bool mLooping;
124    bool mAutoLoop;
125
126    status_t prepare_l();
127    status_t start_l();
128    void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
129
130    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
131};
132
133}  // namespace android
134
135
136