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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 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