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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 #ifndef STREAMING_SOURCE_H_
     18 
     19 #define STREAMING_SOURCE_H_
     20 
     21 #include "NuPlayer.h"
     22 #include "NuPlayerSource.h"
     23 
     24 namespace android {
     25 
     26 struct ABuffer;
     27 struct ATSParser;
     28 struct AnotherPacketSource;
     29 
     30 struct NuPlayer::StreamingSource : public NuPlayer::Source {
     31     StreamingSource(
     32             const sp<AMessage> &notify,
     33             const sp<IStreamSource> &source);
     34 
     35     virtual void prepareAsync();
     36     virtual void start();
     37 
     38     virtual status_t feedMoreTSData();
     39 
     40     virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
     41 
     42     virtual bool isRealTime() const;
     43 
     44 protected:
     45     virtual ~StreamingSource();
     46 
     47     virtual void onMessageReceived(const sp<AMessage> &msg);
     48 
     49     virtual sp<AMessage> getFormat(bool audio);
     50 
     51 private:
     52     enum {
     53         kWhatReadBuffer,
     54     };
     55     sp<IStreamSource> mSource;
     56     status_t mFinalResult;
     57     sp<NuPlayerStreamListener> mStreamListener;
     58     sp<ATSParser> mTSParser;
     59 
     60     bool mBuffering;
     61     Mutex mBufferingLock;
     62     sp<ALooper> mLooper;
     63 
     64     void setError(status_t err);
     65     sp<AnotherPacketSource> getSource(bool audio);
     66     bool haveSufficientDataOnAllTracks();
     67     status_t postReadBuffer();
     68     void onReadBuffer();
     69 
     70     DISALLOW_EVIL_CONSTRUCTORS(StreamingSource);
     71 };
     72 
     73 }  // namespace android
     74 
     75 #endif  // STREAMING_SOURCE_H_
     76