NuPlayerDriver.h revision 48fa06d1e80a872c7495804979256e021e566ae0 
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
47    virtual status_t getDefaultBufferingSettings(
48            BufferingSettings* buffering /* nonnull */) override;
49    virtual status_t setBufferingSettings(const BufferingSettings& buffering) override;
50
51    virtual status_t prepare();
52    virtual status_t prepareAsync();
53    virtual status_t start();
54    virtual status_t stop();
55    virtual status_t pause();
56    virtual bool isPlaying();
57    virtual status_t setPlaybackSettings(const AudioPlaybackRate &rate);
58    virtual status_t getPlaybackSettings(AudioPlaybackRate *rate);
59    virtual status_t setSyncSettings(const AVSyncSettings &sync, float videoFpsHint);
60    virtual status_t getSyncSettings(AVSyncSettings *sync, float *videoFps);
61    virtual status_t seekTo(
62            int msec, MediaPlayerSeekMode mode = MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC);
63    virtual status_t getCurrentPosition(int *msec);
64    virtual status_t getDuration(int *msec);
65    virtual status_t reset();
66    virtual status_t setLooping(int loop);
67    virtual player_type playerType();
68    virtual status_t invoke(const Parcel &request, Parcel *reply);
69    virtual void setAudioSink(const sp<AudioSink> &audioSink);
70    virtual status_t setParameter(int key, const Parcel &request);
71    virtual status_t getParameter(int key, Parcel *reply);
72
73    virtual status_t getMetadata(
74            const media::Metadata::Filter& ids, Parcel *records);
75
76    virtual status_t dump(int fd, const Vector<String16> &args) const;
77
78    void notifySetDataSourceCompleted(status_t err);
79    void notifyPrepareCompleted(status_t err);
80    void notifyResetComplete();
81    void notifySetSurfaceComplete();
82    void notifyDuration(int64_t durationUs);
83    void notifySeekComplete();
84    void notifySeekComplete_l();
85    void notifyListener(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
86    void notifyFlagsChanged(uint32_t flags);
87
88protected:
89    virtual ~NuPlayerDriver();
90
91private:
92    enum State {
93        STATE_IDLE,
94        STATE_SET_DATASOURCE_PENDING,
95        STATE_UNPREPARED,
96        STATE_PREPARING,
97        STATE_PREPARED,
98        STATE_RUNNING,
99        STATE_PAUSED,
100        STATE_RESET_IN_PROGRESS,
101        STATE_STOPPED,                  // equivalent to PAUSED
102        STATE_STOPPED_AND_PREPARING,    // equivalent to PAUSED, but seeking
103        STATE_STOPPED_AND_PREPARED,     // equivalent to PAUSED, but seek complete
104    };
105
106    mutable Mutex mLock;
107    Condition mCondition;
108
109    State mState;
110
111    bool mIsAsyncPrepare;
112    status_t mAsyncResult;
113
114    // The following are protected through "mLock"
115    // >>>
116    bool mSetSurfaceInProgress;
117    int64_t mDurationUs;
118    int64_t mPositionUs;
119    bool mSeekInProgress;
120    // <<<
121
122    sp<ALooper> mLooper;
123    sp<NuPlayer> mPlayer;
124    sp<AudioSink> mAudioSink;
125    uint32_t mPlayerFlags;
126
127    bool mAtEOS;
128    bool mLooping;
129    bool mAutoLoop;
130
131    status_t prepare_l();
132    status_t start_l();
133    void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
134
135    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
136};
137
138}  // namespace android
139
140
141