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 
21 namespace android {
22 
23 struct ALooper;
24 struct NuPlayer;
25 
26 struct NuPlayerDriver : public MediaPlayerInterface {
27     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(int msec);
57     virtual status_t getCurrentPosition(int *msec);
58     virtual status_t getDuration(int *msec);
59     virtual status_t reset();
60     virtual status_t setLooping(int loop);
61     virtual player_type playerType();
62     virtual status_t invoke(const Parcel &request, Parcel *reply);
63     virtual void setAudioSink(const sp<AudioSink> &audioSink);
64     virtual status_t setParameter(int key, const Parcel &request);
65     virtual status_t getParameter(int key, Parcel *reply);
66 
67     virtual status_t getMetadata(
68             const media::Metadata::Filter& ids, Parcel *records);
69 
70     virtual status_t dump(int fd, const Vector<String16> &args) const;
71 
72     void notifySetDataSourceCompleted(status_t err);
73     void notifyPrepareCompleted(status_t err);
74     void notifyResetComplete();
75     void notifySetSurfaceComplete();
76     void notifyDuration(int64_t durationUs);
77     void notifySeekComplete();
78     void notifySeekComplete_l();
79     void notifyListener(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
80     void notifyFlagsChanged(uint32_t flags);
81 
82 protected:
83     virtual ~NuPlayerDriver();
84 
85 private:
86     enum State {
87         STATE_IDLE,
88         STATE_SET_DATASOURCE_PENDING,
89         STATE_UNPREPARED,
90         STATE_PREPARING,
91         STATE_PREPARED,
92         STATE_RUNNING,
93         STATE_PAUSED,
94         STATE_RESET_IN_PROGRESS,
95         STATE_STOPPED,                  // equivalent to PAUSED
96         STATE_STOPPED_AND_PREPARING,    // equivalent to PAUSED, but seeking
97         STATE_STOPPED_AND_PREPARED,     // equivalent to PAUSED, but seek complete
98     };
99 
100     mutable Mutex mLock;
101     Condition mCondition;
102 
103     State mState;
104 
105     bool mIsAsyncPrepare;
106     status_t mAsyncResult;
107 
108     // The following are protected through "mLock"
109     // >>>
110     bool mSetSurfaceInProgress;
111     int64_t mDurationUs;
112     int64_t mPositionUs;
113     bool mSeekInProgress;
114     // <<<
115 
116     sp<ALooper> mLooper;
117     sp<NuPlayer> mPlayer;
118     sp<AudioSink> mAudioSink;
119     uint32_t mPlayerFlags;
120 
121     bool mAtEOS;
122     bool mLooping;
123     bool mAutoLoop;
124 
125     status_t prepare_l();
126     status_t start_l();
127     void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
128 
129     DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
130 };
131 
132 }  // namespace android
133 
134 
135