1 files changed, 234 insertions, 0 deletions
diff --git a/mpeglib/lib/input/cdromToc.cpp b/mpeglib/lib/input/cdromToc.cpp
new file mode 100644
index 00000000..919ecdc8
--- /dev/null
+++ b/mpeglib/lib/input/cdromToc.cpp
@@ -0,0 +1,234 @@
+/*
+  reads toc from cdrom (system dependent)
+  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
+
+ */
+
+
+
+#include "cdromToc.h"
+
+#include <iostream>
+
+using namespace std;
+
+CDRomToc::CDRomToc() {
+  maxEntries=0;
+}
+
+
+CDRomToc::~CDRomToc() {
+}
+
+
+void CDRomToc::insertTocEntry(int minute,int second,int frame) {
+  int i;
+  int j;
+  if (isElement(minute,second,frame)) {
+    return;
+  }
+
+  i=getNextTocEntryPos(minute,second,frame);
+
+  // now shift from i to end
+  if (maxEntries == 100) {
+    cerr << "maximum of toc entries reached"<<endl;
+    exit(0);
+  }
+  for (j=maxEntries;j>i;j--) {
+    tocEntries[j].minute=tocEntries[j-1].minute;
+    tocEntries[j].second=tocEntries[j-1].second;
+    tocEntries[j].frame=tocEntries[j-1].frame;
+  }
+  maxEntries++;
+  
+  tocEntries[i].minute=minute;
+  tocEntries[i].second=second;
+  tocEntries[i].frame=frame;  
+  calculateRange();
+}
+
+
+int CDRomToc::getNextTocEntryPos(int minute,int second,int frame) {
+  int i;
+  if (maxEntries == 0) {
+    return 0;
+  }
+
+  for (i=0;i<maxEntries;i++) {
+    if (tocEntries[i].minute <= minute) {
+      continue;
+    } else {
+      break;
+    }
+    if (tocEntries[i].second <= second) {
+      continue;
+    } else {
+      break;
+    }
+    if (tocEntries[i].frame <= frame) {
+      continue;
+    }
+    break;
+  } 
+  return i;
+}
+
+    
+    
+int CDRomToc::isElement(int minute,int second,int frame) {
+  int i;
+
+  for (i=0;i<maxEntries;i++) {
+    if (tocEntries[i].minute == minute) {
+      if (tocEntries[i].second == second) {
+	if (tocEntries[i].frame == frame) {
+	  return true;
+	}
+      }
+    }
+  }
+  return false;
+}
+
+
+
+
+
+
+int CDRomToc::getTocEntries() {
+  return maxEntries;
+}
+
+
+TocEntry* CDRomToc::getTocEntry(int entry) {
+  return &(tocEntries[entry]);
+}
+
+
+void CDRomToc::print() {
+  int i;
+  cerr << "******* printing TOC [START]"<<endl;
+  for(i=0;i<maxEntries;i++) {
+    cerr << "i:"<<i
+	 <<" M:"<<tocEntries[i].minute
+         <<" S:"<<tocEntries[i].second
+         <<" F:"<<tocEntries[i].frame<<endl;
+  }
+  cerr << "******* printing TOC [END}"<<endl;
+}
+
+
+int CDRomToc::isInRange(int minute,int second,int) {
+  long val=minute*60+second;
+  if (val < startByte) {
+    return false;
+  }
+  if (val > endByte) {
+    return false;
+  }
+  return true;
+}
+
+int CDRomToc::calculateRange() {
+
+
+  if (maxEntries < 2) {
+    cout << "no two elemts in toc"<<endl;
+    return false;
+  }
+  startByte=tocEntries[0].minute*60*+tocEntries[0].second;
+  
+  // do a safty end because of the kernel bug
+  int minute=tocEntries[maxEntries-1].minute;
+  int second=tocEntries[maxEntries-1].second-20;
+  if (second < 0) {
+    minute--;
+    second=60+second;
+  }
+  if (minute < 0) {
+    endByte=0;
+    return true;
+  }
+
+  endByte=minute*60+second;
+
+  return true;
+
+}
+
+
+int CDRomToc::getEndSecond() {
+  return endByte;
+}
+
+
+
+
+int CDRomToc::open(const char* openfile) {
+  int i;
+  int pos=0;
+  maxEntries=0;
+  const char* filename=strchr(openfile,'/');
+  FILE* file =fopen(filename, "rb");
+  if (file == NULL) {
+    perror("open");
+    return false;
+  }
+  cout << "reading toc on:"<<filename<<" openfile:"<<openfile<<endl;
+
+  int startToc=0;
+  int endToc=0;
+
+  if (getStartEnd(file,startToc,endToc) == false) {
+    cout << "getStartEnd in CDRomToc failed"<<endl;
+    fclose(file);
+    return false;
+  }
+  cout << "startToc:"<<startToc<<" endToc:"<<endToc<<endl;
+  cout << "reading toc -2"<<endl;
+  /* read individual tracks */
+  int min;
+  int sec;
+  int frame;
+
+  for (i=startToc; i<=endToc; i++) {
+    int min;
+    int sec;
+    int frame;
+
+    if (readToc(file,i,min,sec,frame) == false) {
+      cout << "error in CDRomToc::readToc"<<endl;
+      fclose(file);
+      return false;
+    }
+    cout << "min:"<<min<<endl;
+    cout << "sec:"<<sec<<endl;
+    cout << "frame:"<<frame<<endl;
+    
+    insertTocEntry(min,sec,frame);
+    pos++;
+  }
+
+
+  /* read the lead-out track */
+  if (readLeadOut(file,min,sec,frame) == false) {
+    cout << "error in CDRomToc::reatLeadOut"<<endl;
+    return false;
+  }
+  pos++;
+  insertTocEntry(min,sec,frame);
+  
+  maxEntries=pos;
+
+  fclose(file);
+
+  return true;
+}
+