1 files changed, 97 insertions, 0 deletions
diff --git a/mpeglib/lib/mpegplay/macroBlock.h b/mpeglib/lib/mpegplay/macroBlock.h
new file mode 100644
index 00000000..db56e7be
--- /dev/null
+++ b/mpeglib/lib/mpegplay/macroBlock.h
@@ -0,0 +1,97 @@
+/*
+  stores macroblock infos
+  Copyright (C) 2000  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 __MACROBLOCK_H
+#define __MACROBLOCK_H
+
+#include "videoDecoder.h"
+#include "decoderClass.h"
+#include "motionVector.h"
+#include "recon.h"
+#include "copyFunctions.h"
+
+class MacroBlock {
+  
+  /* Macroblock structure. */
+
+  int mb_address;                        /* Macroblock address.              */
+  int past_mb_addr;                      /* Previous mblock address.         */
+  int motion_h_forw_code;                /* Forw. horiz. motion vector code. */
+  unsigned int motion_h_forw_r;          /* Used in decoding vectors.        */
+  int motion_v_forw_code;                /* Forw. vert. motion vector code.  */
+  unsigned int motion_v_forw_r;          /* Used in decdoinge vectors.       */
+  int motion_h_back_code;                /* Back horiz. motion vector code.  */
+  unsigned int motion_h_back_r;          /* Used in decoding vectors.        */
+  int motion_v_back_code;                /* Back vert. motion vector code.   */
+  unsigned int motion_v_back_r;          /* Used in decoding vectors.        */
+  unsigned int cbp;                      /* Coded block pattern.             */
+  int mb_intra;                          /* Intracoded mblock flag.          */
+  int bpict_past_forw;                   /* Past B frame forw. vector flag.  */
+  int bpict_past_back;                   /* Past B frame back vector flag.   */
+  int past_intra_addr;                   /* Addr of last intracoded mblock.  */
+  int recon_right_for_prev;              /* Past right forw. vector.         */
+  int recon_down_for_prev;               /* Past down forw. vector.          */
+  int recon_right_back_prev;             /* Past right back vector.          */
+  int recon_down_back_prev;              /* Past down back vector.           */
+
+  class VideoDecoder* vid_stream;
+  CopyFunctions* copyFunctions;
+
+ public:
+  MacroBlock(class VideoDecoder* vid_stream);
+  ~MacroBlock();
+  int processMacroBlock(PictureArray* pictureArray);
+  int resetMacroBlock();
+  int resetPastMacroBlock();
+
+ private:
+  int reconstruct(int& recon_right_for,
+		  int& recon_down_for,
+		  int& recon_right_back,
+		  int& recon_down_back,
+		  int& mb_motion_forw,
+		  int& mb_motion_back,
+		  PictureArray* pictureArray);
+
+  void computeForwVector(int* recon_right_for_ptr,
+			 int* recon_down_for_ptr);
+
+  void computeBackVector(int* recon_right_back_ptr,
+			 int* recon_down_back_ptr);
+
+  int processSkippedPictures(PictureArray* pictureArray,
+			     int code_type,
+			     int mb_width);
+
+  void ProcessSkippedPFrameMBlocks(YUVPicture* current,
+				   YUVPicture* future,
+				   int mb_width);
+  
+
+  void ProcessSkippedBFrameMBlocks(Picture* picture,
+				   YUVPicture* past,
+				   YUVPicture* current,
+				   YUVPicture* future,
+				   int mb_width);
+
+
+  void ReconSkippedBlock(unsigned char* source,unsigned char* dest,
+			 int row, int col,int row_size,
+			 int right,int down,
+			 int right_half,int down_half,int width,
+			 int maxLen);
+  
+    
+};
+#endif