1 files changed, 124 insertions, 0 deletions
diff --git a/mpeglib/lib/input/cdromAccess_Linux.cpp b/mpeglib/lib/input/cdromAccess_Linux.cpp
new file mode 100644
index 00000000..a3bde622
--- /dev/null
+++ b/mpeglib/lib/input/cdromAccess_Linux.cpp
@@ -0,0 +1,124 @@
+/*
+  system dependent wrapper for access to cdrom (Linux)
+  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
+
+ */
+
+#ifdef __STRICT_ANSI__
+#undef __STRICT_ANSI__
+#define _ANSI_WAS_HERE_
+#endif
+#include <linux/types.h>
+#include <linux/cdrom.h>
+#ifdef _ANSI_WAS_HERE_
+#define __STRICT_ANSI__ 
+#endif
+#include <sys/ioctl.h>
+
+#include "cdromToc.h"
+#include "cdromRawAccess.h"
+
+#include <iostream>
+
+using namespace std;
+
+/** 
+    here you find an example how to port the access method
+    to your system.
+*/
+
+
+int CDRomToc::getStartEnd(FILE* file,int& startToc,int& endToc) {
+  struct cdrom_tochdr tochdr;
+  int fd=fileno(file);
+  if (ioctl(fd, CDROMREADTOCHDR, &tochdr) == -1) {
+    perror("ioctl cdromreadtochdr");
+    return false;
+  }
+  
+  startToc=tochdr.cdth_trk0;
+  endToc=tochdr.cdth_trk1;
+  return true;
+}
+
+
+int CDRomToc::readToc(FILE* file,int num,int& min,int& sec, int& frame) {
+  struct cdrom_tocentry tocent;
+  int fd=fileno(file);
+  tocent.cdte_track = num;
+  tocent.cdte_format = CDROM_MSF;
+  if (ioctl(fd, CDROMREADTOCENTRY, &tocent) == -1 ) {
+    perror("ioctl cdromreadtocentry");
+    return false;
+  }
+  min=tocent.cdte_addr.msf.minute;
+  sec=tocent.cdte_addr.msf.second;
+  frame=tocent.cdte_addr.msf.frame;
+  return true;
+}
+
+
+int CDRomToc::readLeadOut(FILE* file,int& min,int& sec, int& frame) {
+  struct cdrom_tocentry tocent;
+  int fd=fileno(file);
+  tocent.cdte_track = CDROM_LEADOUT;
+  tocent.cdte_format = CDROM_MSF;
+  if (ioctl(fd, CDROMREADTOCENTRY, &tocent) == -1 ) {
+    perror("ioctl cdromreadLeadoutn");
+    return false;
+  }
+  min=tocent.cdte_addr.msf.minute;
+  sec=tocent.cdte_addr.msf.second;
+  frame=tocent.cdte_addr.msf.frame;
+  return true;
+}
+
+
+
+int CDRomRawAccess::readDirect(int minute,int second, int frame) {
+
+  // this comes from smpeg 
+  // smpeg is an mpeg I player from lokigames www.lokigames.com
+
+  struct cdrom_msf *msf;
+  int fd=fileno(cdfile);
+
+  msf = (struct cdrom_msf*) data;
+  msf->cdmsf_min0   = minute;
+  msf->cdmsf_sec0   = second;
+  msf->cdmsf_frame0 = frame;
+  if (ioctl(fd, CDROMREADMODE2, msf) == -1) {
+    perror("ioctl cdromreadmode2");
+    cout << "min:"<<minute
+         << " sec:"<<second
+         << " frame:"<<frame<<endl;
+    return false;
+  } else {
+    //cout << "read success ****************"<<endl;
+  }
+
+  char* subheader=data+sizeof(int);
+
+
+  if ((subheader[1]==1) && 
+      (((subheader[2]==0x62) &&
+	(subheader[3]==0x0f)) || ((subheader[2]==0x64) &&
+				  (subheader[3]==0x7f)))) {
+    lData=true;
+    dataStart=sizeof(int)+4;
+  } else {
+    lData=false;
+  }
+
+  len=2324;
+
+
+  return true;
+}
+