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mpeglib/lib/output/threadSafeOutputStream.h

 

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/*

 

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  thread safe wrapper for output Stream

 

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  Copyright (C) 2000  Martin Vogt

 

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  This program is free software; you can redistribute it and/or modify

 

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  it under the terms of the GNU Library General Public License as published by

 

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  the Free Software Foundation.

 

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  For more information look at the file COPYRIGHT in this package

 

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 */

 

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#ifndef __THREADSAFEOUTPUTSTREAM_H

 

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#define __THREADSAFEOUTPUTSTREAM_H

 

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// read INTRO in threadQueue.h

 

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// This class makes the outputStream (given in constructor)

 

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// threadsafe by wrapping each call with a threadqueue.

 

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//

 

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// Important NOTE: the output pointer is the owned by this class !!!

 

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//                 which means: we call delete on it!

 

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// More Important NOTES:

 

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//

 

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// We make the audio and video calls seperate threadsafe

 

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// and ONLY the config call threadsafe to both!

 

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#include "../util/abstract/threadQueue.h"

 

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#include "outputStream.h"

 

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class ThreadSafeOutputStream : public OutputStream {

 

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  ThreadQueue* threadQueueAudio;

 

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  ThreadQueue* threadQueueVideo;

 

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  OutputStream* output;

 

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 public:

 

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  ThreadSafeOutputStream(OutputStream* output);

 

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  ~ThreadSafeOutputStream();

 

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  // Thread safe Audio Stream handling

 

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  int audioInit();

 

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  int audioSetup(int freq,int stereo,int sign,int big,int sampleSize);

 

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  int audioPlay(TimeStamp* startStamp,

 

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                TimeStamp* endStamp,char *buffer, int size);  

 

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  void audioFlush();

 

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  void audioClose();

 

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  void audioOpen();

 

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  int getPreferredDeliverSize();

 

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  // Video Output

 

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  int videoInit();

 

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  int openWindow(int width, int height,const char *title);

 

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  void closeWindow();

 

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  void flushWindow();

 

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  PictureArray* lockPictureArray();

 

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  void unlockPictureArray(PictureArray* pictureArray);

 

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  int getFrameusec();

 

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  // config Output

 

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  void config(const char* key, 

 

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              const char* value,void* user_data);

 

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};

 

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#endif

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