1 files changed, 273 insertions, 0 deletions
diff --git a/mpeglib/lib/util/timeStamp.cpp b/mpeglib/lib/util/timeStamp.cpp
new file mode 100644
index 00000000..2804cc5b
--- /dev/null
+++ b/mpeglib/lib/util/timeStamp.cpp
@@ -0,0 +1,273 @@
+/*
+  class for managing byte positions and associated time positions
+  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 "timeStamp.h"
+
+#include <iostream>
+
+using namespace std;
+
+
+TimeStamp::TimeStamp() {
+  key=0;
+  keylen=0;
+  time.tv_sec=0;
+  time.tv_usec=0;
+
+  ptsTimeStamp=0.0;
+  scrTimeStamp=0.0;
+  videoFrameCounter=0;
+  dtsTimeStamp=0.0;
+  lPTSFlag=false;
+
+}
+
+
+TimeStamp::~TimeStamp() {
+}
+
+
+void TimeStamp::copyTo(TimeStamp* dest) {
+  dest->setKey(key,keylen);
+  dest->setTime(&time);
+  dest->setPTSTimeStamp(ptsTimeStamp);
+  dest->setVideoFrameCounter(videoFrameCounter);
+
+  dest->setSCRTimeStamp(scrTimeStamp);
+  dest->setDTSTimeStamp(dtsTimeStamp);
+  dest->setSyncClock(syncClock);
+  dest->setPTSFlag(lPTSFlag);
+}
+
+
+long TimeStamp::getKey() {
+  return key;
+}
+
+int TimeStamp::getKeyLen() {
+  return keylen;
+}
+
+void TimeStamp::setKey(long key,int len) {
+  this->key=key;
+  this->keylen=len;
+}
+
+
+void TimeStamp::setTime(timeval_t* newTime) {
+  time.tv_sec=newTime->tv_sec;
+  time.tv_usec=newTime->tv_usec;
+}
+
+
+void TimeStamp::gettimeofday() {
+  TimeWrapper::gettimeofday(&time);
+}
+
+
+timeval_t* TimeStamp::getTime() {
+  return &time;
+}
+
+
+void TimeStamp::waitForIt() {
+  timeval_t waitTime;
+
+  waitTime.tv_sec=time.tv_sec;
+  waitTime.tv_usec=time.tv_usec;
+
+  if (isPositive()) {
+    //cout << "wait:"<<waitTime.tv_sec<<" usec:"<<waitTime.tv_usec<<endl;
+    TimeWrapper::usleep(&waitTime);
+  }
+    
+}
+
+void TimeStamp::addOffset(TimeStamp* stamp) {
+  addOffset(stamp->time.tv_sec,stamp->time.tv_usec);
+}
+
+void TimeStamp::addOffset(int sec,long usec) {
+  time.tv_sec=time.tv_sec+sec;
+  time.tv_usec=time.tv_usec+usec;
+  if (time.tv_usec >= 1000000) {
+    time.tv_usec-=1000000;
+    time.tv_sec++;
+  }
+  if (time.tv_usec < 0) {
+    time.tv_usec+=1000000;
+    time.tv_sec--;   
+  }  
+}
+
+void TimeStamp::minus(int sec,long usec) {
+
+  time.tv_usec-=usec;
+  time.tv_sec-=sec;
+  if (time.tv_usec <= 0) {
+    time.tv_usec=time.tv_usec+1000000;
+    time.tv_sec--;
+  }
+  if (time.tv_usec >= 1000000) {
+    time.tv_usec=time.tv_usec-1000000;
+    time.tv_sec++;
+  }  
+
+}
+
+void TimeStamp::minus(TimeStamp* stamp,TimeStamp* dest) {
+  
+  long sec=time.tv_sec;
+  long usec=time.tv_usec;
+
+  minus(stamp->time.tv_sec,stamp->time.tv_usec);
+
+  dest->set(time.tv_sec,time.tv_usec);
+  if (dest != this) {
+    time.tv_sec=sec;
+    time.tv_usec=usec;
+  }
+}
+
+
+int TimeStamp::lessThan(TimeStamp* stamp) {
+  return lessThan(stamp->time.tv_sec,stamp->time.tv_usec);
+}
+
+
+int TimeStamp::lessThan(int sec,long usec) {
+  int back=false;
+  if (time.tv_sec < sec) {
+    back=true;
+  } else {
+    if (time.tv_sec == sec) {
+      if (time.tv_usec < usec) {
+	back=true;
+      }
+    }
+  }
+  return back;
+}
+ 
+void TimeStamp::set(long sec,long usec) {
+  time.tv_sec=sec;
+  time.tv_usec=usec;
+}
+
+
+
+void TimeStamp::print(const char* name) {
+  cout << name
+       <<" lPTS:"<<lPTSFlag
+       <<" pts:"<<ptsTimeStamp
+       <<" dts:"<<dtsTimeStamp
+       <<" scr:"<<scrTimeStamp
+       <<" key:"<<key
+       <<" sec:"<<time.tv_sec
+       <<" usec:"<<time.tv_usec
+       <<" v-Minor:"<<videoFrameCounter<<endl;
+
+
+}
+
+
+
+
+
+int TimeStamp::isPositive() {
+  if ((time.tv_sec == 0) && (time.tv_usec == 0)) {
+    return false;
+  }
+  return ((time.tv_sec >= 0) && (time.tv_usec >= 0));
+}
+
+
+int TimeStamp::isNegative() {
+  if (time.tv_sec < 0) {
+    return true;
+  }
+  if (time.tv_usec < 0) {
+    return true;
+  }
+  return false;
+}
+
+
+int TimeStamp::getPTSFlag() {
+  return lPTSFlag;
+}
+
+void TimeStamp::setPTSFlag(int lPTSFlag) {
+  this->lPTSFlag=lPTSFlag;
+}
+ 
+double TimeStamp::getPTSTimeStamp() {
+  return ptsTimeStamp;
+}
+
+
+void TimeStamp::setPTSTimeStamp(double ptsTimeStamp) {
+  this->ptsTimeStamp=ptsTimeStamp;
+}
+ 
+
+double TimeStamp::getSCRTimeStamp() {
+  return scrTimeStamp;
+}
+
+
+void TimeStamp::setSCRTimeStamp(double scrTimeStamp) {
+  this->scrTimeStamp=scrTimeStamp;
+}
+
+
+double TimeStamp::getDTSTimeStamp() {
+  return dtsTimeStamp;
+}
+
+
+void TimeStamp::setDTSTimeStamp(double dtsTimeStamp) {
+  this->dtsTimeStamp=dtsTimeStamp;
+}
+
+int TimeStamp::getVideoFrameCounter() {
+  return videoFrameCounter;
+}
+
+
+void TimeStamp::setVideoFrameCounter(int nr) {
+  this->videoFrameCounter=nr;
+}
+
+
+
+double TimeStamp::getAsSeconds() {
+  return (double)time.tv_sec+(double)time.tv_usec/(double)1000000;
+}
+
+  
+
+SyncClock* TimeStamp::getSyncClock() {
+  return syncClock;
+}
+
+void TimeStamp::setSyncClock(SyncClock* syncClock) {
+  this->syncClock=syncClock;
+}
+
+
+
+
+
+
+