1 files changed, 151 insertions, 0 deletions
diff --git a/mpeglib/lib/output/outputStream.h b/mpeglib/lib/output/outputStream.h
new file mode 100644
index 00000000..9ef538fd
--- /dev/null
+++ b/mpeglib/lib/output/outputStream.h
@@ -0,0 +1,151 @@
+/*
+  generic output class
+  Copyright (C) 1999  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+
+#ifndef __OUTPUTSTREAM_H
+#define __OUTPUTSTREAM_H
+
+#include "../util/timeStamp.h"
+#include "pluginInfo.h"
+#include "../util/render/pictureArray.h"
+#include "../util/abstract/abs_thread.h"
+#include <kdemacros.h>
+
+#define _OUTPUT_WAIT_METHOD_BLOCK       1
+#define _OUTPUT_WAIT_METHOD_POLL        2
+#define _OUTPUT_WAIT_METHOD_CALLBACK    3
+
+
+#define _STREAM_MASK_IS_INIT   1
+#define _STREAM_MASK_IS_EOF    2
+#define _STREAM_MASK_IS_DATA   4
+
+#define _STREAM_MASK_ALL       1+2+4
+
+#define _STREAMTYPE_AUDIO      1
+#define _STREAMTYPE_VIDEO      2
+
+ 
+/**
+   Outputstream. A nice base class. Mostly obvious methods,
+   except PictureArray.
+   write your picture into this  structure
+   and then put it on the surface with the unlock call.
+
+*/
+
+
+/**
+   life of stream states:
+   --------------
+   method             flag       additional calls
+   construct                     audioInit()
+                  
+                  
+
+   destruct                      audioInit()
+
+   audioInit      isInit=false
+                  isEof=false
+                  isData=false
+
+   audioSetup     isInit=true
+   audioFlush     isEof=true
+   audioPlay      isData=true
+
+
+   Note: after a call of streamInit we have an "invalid" state
+         obviously there is no stream where eof==false but
+         and has not been initialised. 
+
+	 another invalid state is audioInit->audioPlay
+
+*/
+
+
+
+
+class KDE_EXPORT OutputStream {
+
+  int audioState;
+  int videoState;
+  abs_thread_mutex_t stateChangeMut; 
+  abs_thread_cond_t  stateChangeCond;
+ 
+ public:
+  OutputStream();
+
+  virtual ~OutputStream();
+
+  // Audio Stream handling
+  virtual int audioInit();
+  virtual int audioSetup(int freq,int stereo,int sign,int big,int sampleSize);
+  virtual int audioPlay(TimeStamp* startStamp,
+			TimeStamp* endStamp,char *buffer, int size);  
+  virtual void audioFlush();
+  
+  // Audio device "/dev/dsp" handling
+  virtual void audioClose();
+  virtual void audioOpen();
+
+  // hack: FIX it
+  virtual int getPreferredDeliverSize();
+
+
+  // stream State handling 
+
+  // we return the mask which triggerd (by "AND")
+  // or the current polled mask when method is POLL
+  // Note: you can only wait for "true" signals
+  virtual int waitStreamState(int method,int mask,int streamType);
+  
+  
+ 
+
+  // Video Output
+  virtual int videoInit();
+  virtual int openWindow(int width, int height,const char *title);
+  virtual int x11WindowId();
+  virtual void closeWindow();
+  virtual void flushWindow();
+  
+
+  // get the current surfaces to draw into
+  virtual PictureArray* lockPictureArray();
+  virtual void unlockPictureArray(PictureArray* pictureArray);
+
+
+
+  // maybe not needed:
+  virtual int getFrameusec();
+  virtual int getOutputInit();
+  virtual void setOutputInit(int lInit);
+
+  // Info Output
+  virtual void writeInfo(class PluginInfo* pluginInfo);
+
+
+  // config Output
+  virtual void config(const char* key, 
+		      const char* value,void* user_data);
+
+ private:
+  void initStream();
+
+ protected:
+  // sometimes useful, but use with care
+  void sendSignal(int signal,int value,int streamType);
+
+};
+#endif