//// Copyright (C) 2004, 2005 Pingtel Corp.// //// $$////////////////////////////////////////////////////////////////////////// SYSTEM INCLUDES// APPLICATION INCLUDES#include <CallObject.h>#include <net/Url.h>#include <os/OsFS.h>// EXTERNAL FUNCTIONS// EXTERNAL VARIABLES// CONSTANTS// STATIC VARIABLE INITIALIZATIONS/* //////////////////////////// PUBLIC //////////////////////////////////// *//* ============================ CREATORS ================================== */// ConstructorCallObject::CallObject(CallManager* callManager, UtlString callId, UtlString playFile){   mpCallManager = callManager;   mCallId = callId;      mpPlayer = NULL;   mFile = playFile;}CallObject::~CallObject(){   mpCallManager = NULL;}   OsStatus CallObject::playAudio(){   OsStatus result = OS_SUCCESS;   char szUrl[128] ;   OsSysLog::add(FAC_MEDIASERVER_VXI, PRI_DEBUG, "CallId %s is requesting for playing the wavefile ...\n", mCallId.data());   mpCallManager->createPlayer(mCallId, &mpPlayer) ;   if (mpPlayer == NULL)   {      return OS_FAILED;   }   // Send a sequence of prompts to the player   for (int i=0; i<3; i++)   {      sprintf(szUrl, "Playlist +file://%s", mFile.data());      Url url(szUrl) ;      mpPlayer->add(url, STREAM_SOUND_REMOTE | STREAM_FORMAT_WAV) ;   }   if (mpPlayer->realize(TRUE) != OS_SUCCESS)   {      cleanUp();      return OS_FAILED;   }   if (mpPlayer->prefetch(TRUE) != OS_SUCCESS)   {      cleanUp();      return OS_FAILED;   }   if (mpPlayer->play(FALSE) != OS_SUCCESS)   {      cleanUp();      return OS_FAILED;   }   return result;}void CallObject::cleanUp(){   if (mpPlayer)      mpCallManager->destroyPlayer(mCallId, mpPlayer);   mpPlayer = NULL;}