1 files changed, 110 insertions, 0 deletions
diff --git a/mpeglib/lib/mpegplay/mpegVideoStream.h b/mpeglib/lib/mpegplay/mpegVideoStream.h
new file mode 100644
index 00000000..86b80553
--- /dev/null
+++ b/mpeglib/lib/mpegplay/mpegVideoStream.h
@@ -0,0 +1,110 @@
+/*
+  a buffer
+  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 __MPEGVIDEOSTREAM_H
+#define __MPEGVIDEOSTREAM_H
+
+#include "startCodes.h"
+#include "mpegVideoHeader.h"
+#include "mpegSystemStream.h"
+#include "mpegVideoBitWindow.h"
+
+#define _BYTE_TEST 1024
+
+/**
+   A really ugly class. Most of the methods have names
+   which does not make it clear for what they are useful.
+   (Don't touch a running system :-)
+
+   We wrap the inputStream and offer functions for getting
+   bits, appending to the internal buffer, flushing, syncing
+   all this stuff.
+
+
+*/
+
+class MpegVideoStream {
+
+  int size;
+  InputStream* input;
+  MpegSystemStream* mpegSystemStream;
+  MpegSystemHeader* mpegSystemHeader;
+  MpegVideoBitWindow* mpegVideoBitWindow;
+
+  int lHasStream;
+
+ public:
+  MpegVideoStream(InputStream* input);
+  ~MpegVideoStream();
+
+  // returns true if init successful
+  int firstInitialize(MpegVideoHeader* mpegHeader);
+  int nextGOP();
+  int nextPIC();
+  int next_start_code();
+  
+  int hasBytes(int bytes);
+  int eof();
+
+  inline void clear() { 
+    mpegVideoBitWindow->clear();      
+  }
+
+  inline void flushBits(int bits) { 
+    hasBytes(_BYTE_TEST);
+    mpegVideoBitWindow->flushBitsDirect(bits); 
+  }
+
+  inline unsigned int showBits(int bits) { 
+    hasBytes(_BYTE_TEST);
+    return mpegVideoBitWindow->showBits(bits);
+  }
+
+  inline unsigned int showBits32() { 
+    return mpegVideoBitWindow->showBits32(); 
+  }
+
+  inline unsigned int showBits16() { 
+    return mpegVideoBitWindow->showBits(16); 
+  }  
+
+  inline void flushBitsDirect(unsigned int bits) {
+     mpegVideoBitWindow->flushBitsDirect(bits);
+  }
+
+  unsigned int getBits(int bits) { 
+    hasBytes(_BYTE_TEST);
+    return mpegVideoBitWindow->getBits(bits);
+  }
+
+  inline void flushByteOffset() { 
+    mpegVideoBitWindow->flushByteOffset();
+  }
+
+  TimeStamp* getCurrentTimeStamp();
+
+ private:
+  int getByteDirect();
+  int get_more_video_data();
+  void fill_videoBuffer(MpegSystemHeader* mpegSystemHeader);
+  int isStartCode(unsigned int data);
+
+
+};
+#endif
+
+
+