NuPlayerDriver.h revision 9816016afb2a13c6a866cd047d57020566a8b9a9 
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    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 setPlaybackRate(float rate);
51    virtual status_t seekTo(int msec);
52    virtual status_t getCurrentPosition(int *msec);
53    virtual status_t getDuration(int *msec);
54    virtual status_t reset();
55    virtual status_t setLooping(int loop);
56    virtual player_type playerType();
57    virtual status_t invoke(const Parcel &request, Parcel *reply);
58    virtual void setAudioSink(const sp<AudioSink> &audioSink);
59    virtual status_t setParameter(int key, const Parcel &request);
60    virtual status_t getParameter(int key, Parcel *reply);
61
62    virtual status_t getMetadata(
63            const media::Metadata::Filter& ids, Parcel *records);
64
65    virtual status_t dump(int fd, const Vector<String16> &args) const;
66
67    void notifySetDataSourceCompleted(status_t err);
68    void notifyPrepareCompleted(status_t err);
69    void notifyResetComplete();
70    void notifySetSurfaceComplete();
71    void notifyDuration(int64_t durationUs);
72    void notifySeekComplete();
73    void notifySeekComplete_l();
74    void notifyListener(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
75    void notifyFlagsChanged(uint32_t flags);
76
77protected:
78    virtual ~NuPlayerDriver();
79
80private:
81    enum State {
82        STATE_IDLE,
83        STATE_SET_DATASOURCE_PENDING,
84        STATE_UNPREPARED,
85        STATE_PREPARING,
86        STATE_PREPARED,
87        STATE_RUNNING,
88        STATE_PAUSED,
89        STATE_RESET_IN_PROGRESS,
90        STATE_STOPPED,                  // equivalent to PAUSED
91        STATE_STOPPED_AND_PREPARING,    // equivalent to PAUSED, but seeking
92        STATE_STOPPED_AND_PREPARED,     // equivalent to PAUSED, but seek complete
93    };
94
95    mutable Mutex mLock;
96    Condition mCondition;
97
98    State mState;
99
100    bool mIsAsyncPrepare;
101    status_t mAsyncResult;
102
103    // The following are protected through "mLock"
104    // >>>
105    bool mSetSurfaceInProgress;
106    int64_t mDurationUs;
107    int64_t mPositionUs;
108    bool mSeekInProgress;
109    // <<<
110
111    sp<ALooper> mLooper;
112    sp<NuPlayer> mPlayer;
113    sp<AudioSink> mAudioSink;
114    uint32_t mPlayerFlags;
115
116    bool mAtEOS;
117    bool mLooping;
118    bool mAutoLoop;
119
120    int64_t mStartupSeekTimeUs;
121
122    status_t prepare_l();
123    void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
124
125    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
126};
127
128}  // namespace android
129
130
131