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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(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