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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 char *url, const KeyedVector<String8, String8> *headers);
35 
36     virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
37 
38     virtual status_t setDataSource(const sp<IStreamSource> &source);
39 
40     virtual status_t setVideoSurfaceTexture(
41             const sp<ISurfaceTexture> &surfaceTexture);
42     virtual status_t prepare();
43     virtual status_t prepareAsync();
44     virtual status_t start();
45     virtual status_t stop();
46     virtual status_t pause();
47     virtual bool isPlaying();
48     virtual status_t seekTo(int msec);
49     virtual status_t getCurrentPosition(int *msec);
50     virtual status_t getDuration(int *msec);
51     virtual status_t reset();
52     virtual status_t setLooping(int loop);
53     virtual player_type playerType();
54     virtual status_t invoke(const Parcel &request, Parcel *reply);
55     virtual void setAudioSink(const sp<AudioSink> &audioSink);
56     virtual status_t setParameter(int key, const Parcel &request);
57     virtual status_t getParameter(int key, Parcel *reply);
58 
59     virtual status_t getMetadata(
60             const media::Metadata::Filter& ids, Parcel *records);
61 
62     virtual status_t dump(int fd, const Vector<String16> &args) const;
63 
64     void notifyResetComplete();
65     void notifyDuration(int64_t durationUs);
66     void notifyPosition(int64_t positionUs);
67     void notifySeekComplete();
68     void notifyFrameStats(int64_t numFramesTotal, int64_t numFramesDropped);
69     void notifyListener(int msg, int ext1 = 0, int ext2 = 0);
70 
71 protected:
72     virtual ~NuPlayerDriver();
73 
74 private:
75     mutable Mutex mLock;
76     Condition mCondition;
77 
78     // The following are protected through "mLock"
79     // >>>
80     bool mResetInProgress;
81     int64_t mDurationUs;
82     int64_t mPositionUs;
83     int64_t mNumFramesTotal;
84     int64_t mNumFramesDropped;
85     // <<<
86 
87     sp<ALooper> mLooper;
88     sp<NuPlayer> mPlayer;
89 
90     enum State {
91         UNINITIALIZED,
92         STOPPED,
93         PLAYING,
94         PAUSED
95     };
96 
97     State mState;
98     bool mAtEOS;
99 
100     int64_t mStartupSeekTimeUs;
101 
102     DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
103 };
104 
105 }  // namespace android
106 
107 
108