1 files changed, 154 insertions, 0 deletions
diff --git a/mpeglib/lib/output/audioTime.cpp b/mpeglib/lib/output/audioTime.cpp
new file mode 100644
index 00000000..f4ed2e9c
--- /dev/null
+++ b/mpeglib/lib/output/audioTime.cpp
@@ -0,0 +1,154 @@
+/*
+  defines the format of an audio stream
+  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 "audioTime.h"
+
+#include <iostream>
+
+using namespace std;
+
+
+AudioTime::AudioTime(){
+  time=0.0;
+}
+
+
+AudioTime::~AudioTime() {
+}
+
+
+void AudioTime::setFormat(int stereo,int samplesize,int speed,int sign, int bigendian) {
+  setStereo(stereo);
+  setSampleSize(samplesize);
+  setSpeed(speed);
+  setSign(sign);
+  setBigendian(bigendian);
+}
+
+
+int AudioTime::getStereo() {
+  return stereo;
+}
+
+
+int AudioTime::getSampleSize() {
+  return samplesize;
+}
+
+
+int AudioTime::getSpeed() {
+  return speed;
+}
+
+int AudioTime::getSign() {
+  return _sign;
+}
+
+int AudioTime::getBigendian() {
+  return _bigendian;
+}
+
+void AudioTime::setStereo(int stereo) {
+  this->stereo=stereo;
+}
+
+
+void AudioTime::setSampleSize(int samplesize) {
+  this->samplesize=samplesize;
+}
+
+
+void AudioTime::setSpeed(int speed) {
+  this->speed=speed;
+}
+
+void AudioTime::setSign(int sign) {
+  this->_sign=sign;
+}
+
+void AudioTime::setBigendian(int bigendian) {
+  this->_bigendian = bigendian;
+}
+
+float AudioTime::getTime() {
+  return time;
+}
+
+
+void AudioTime::setTime(float time) {
+  this->time=time;
+}
+
+
+void AudioTime::forwardTime(int bytes){
+  time+=calculateTime(bytes);
+}
+
+
+float AudioTime::calculateTime(int bytes) {
+  float back=0;
+
+  bytes=bytes/(samplesize/8);
+  if (stereo==1) {
+    bytes=bytes/2;
+  }
+  if (speed != 0) {
+    back=(float)bytes/(float)speed;
+  }
+  return back;
+}
+
+
+/**
+   How much byte we need for time usecs?
+*/
+int AudioTime::calculateBytes(float time) {
+  float back=time;
+
+  if (speed != 0) {
+    back=back*(float)speed;
+  }
+  back=back*(float)(samplesize/8);
+  if (stereo==1) {
+    back=back*2.0;
+  }
+  return (int)back;
+}
+
+
+
+void AudioTime::sleepWrite(int size) {
+  timeval_t time;
+  float timeLength=calculateTime(size);
+  time.tv_sec=(long)timeLength;
+  time.tv_usec=(long)(1000000*(timeLength-time.tv_sec));
+  TimeWrapper::usleep(&time);
+}
+
+
+void AudioTime::print() {
+  cout << "AudioTime-begin-"<<endl;
+  cout << "stereo:"<<getStereo()<<" sampleSize:"<<getSampleSize()
+       << " speed: "<<getSpeed()<<endl;
+
+  cout << "AudioTime-end-"<<endl;
+ 
+}
+
+
+void AudioTime::copyTo(AudioTime* dest) {
+  dest->setStereo(getStereo());
+  dest->setSampleSize(getSampleSize());
+  dest->setSpeed(getSpeed());
+}
+