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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