NuPlayerDriver.h revision ad07410c0a31a474a1fac12f9bbe88287082ed45 
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 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 notifyDuration(int64_t durationUs);
70    void notifyPosition(int64_t positionUs);
71    void notifySeekComplete();
72    void notifyFrameStats(int64_t numFramesTotal, int64_t numFramesDropped);
73    void notifyListener(int msg, int ext1 = 0, int ext2 = 0, const Parcel *in = NULL);
74    void notifyFlagsChanged(uint32_t flags);
75
76protected:
77    virtual ~NuPlayerDriver();
78
79private:
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    };
90
91    mutable Mutex mLock;
92    Condition mCondition;
93
94    State mState;
95
96    bool mIsAsyncPrepare;
97    status_t mAsyncResult;
98
99    // The following are protected through "mLock"
100    // >>>
101    int64_t mDurationUs;
102    int64_t mPositionUs;
103    int64_t mNumFramesTotal;
104    int64_t mNumFramesDropped;
105    // <<<
106
107    sp<ALooper> mLooper;
108    sp<NuPlayer> mPlayer;
109    uint32_t mPlayerFlags;
110
111    bool mAtEOS;
112    bool mLooping;
113
114    int64_t mStartupSeekTimeUs;
115
116    status_t prepare_l();
117
118    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerDriver);
119};
120
121}  // namespace android
122
123
124