1 files changed, 83 insertions, 0 deletions
diff --git a/mpeglib/lib/mpegplay/mpegVideoHeader.h b/mpeglib/lib/mpegplay/mpegVideoHeader.h
new file mode 100644
index 00000000..bb3302a1
--- /dev/null
+++ b/mpeglib/lib/mpegplay/mpegVideoHeader.h
@@ -0,0 +1,83 @@
+/*
+  stores sequence header info, for reinit of stream
+  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 __MPEGVIDEOHEADER_H
+#define __MPEGVIDEOHEADER_H
+
+
+
+/**
+   Some vcd do only have one sequence header for the whole
+   cd.
+   This means we must store this info even after a seek
+   which usually destroy the video stream object.
+   We then can re-init the video object with the values
+   we store here.
+
+   Here we have the "header" for an mpeg video stream.
+   
+*/
+
+
+class MpegVideoHeader {
+  
+  unsigned int h_size;                        /* Horiz. size in pixels.     */
+  unsigned int v_size;                        /* Vert. size in pixels.      */
+  int mb_height;                              /* Vert. size in mblocks.     */
+  int mb_width;                               /* Horiz. size in mblocks.    */
+  int mb_size;                                /* mb_height*mb_width-1       */
+  unsigned char aspect_ratio;                 /* Code for aspect ratio.     */
+  unsigned int bit_rate;                      /* Bit rate.                  */
+  unsigned int vbv_buffer_size;               /* Minimum buffer size.       */
+  int const_param_flag;                       /* Contrained parameter flag. */
+  float picture_rate;                         /* Parse off picture rate code*/
+  unsigned int intra_quant_matrix[8][8];      /* Quantization matrix for
+						 intracoded frames.         */
+  unsigned int non_intra_quant_matrix[8][8];  /* Quanitization matrix for 
+						 non intracoded frames.     */
+  class MpegExtension* extension;
+
+
+ public:
+
+  MpegVideoHeader();
+  ~MpegVideoHeader();
+
+  int parseSeq(class MpegVideoStream* mpegVideoStream);
+  void copyTo(MpegVideoHeader* dest);
+  void print(char* description);
+  void init_quanttables();
+
+  inline int getMB_Height() { return  mb_height;}
+  inline int getMB_Size() { return  mb_size;}
+  inline int getMB_Width() { return  mb_width;}
+
+  inline float getPictureRate() { return picture_rate ;}
+  double getPictureTime();
+
+  inline unsigned int* getIntra_quant_matrix() { 
+    //    printf("getI:%p\n",intra_quant_matrix[0]);
+    return  intra_quant_matrix[0]; }
+  inline unsigned int* getNon_intra_quant_matrix() { 
+    //    printf("getN:%p\n",non_intra_quant_matrix[0]);
+    return  non_intra_quant_matrix[0]; }
+
+ private:
+  void init();
+
+};
+
+#endif