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