/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            threadsafe_queue_fifo.cc
 *
 *  Tue Sep 27 14:01:10 CEST 2005
 *  Copyright  2005 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of MIaV.
 *
 *  MIaV is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  MIaV is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with MIaV; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "config.h"
#include "threadsafe_queue_fifo.h"

ThreadSafeQueueFIFO::ThreadSafeQueueFIFO()
{
}

ThreadSafeQueueFIFO::~ThreadSafeQueueFIFO()
{
}

void ThreadSafeQueueFIFO::push(FrameVector *framevector)
{
  mutex.lock();
  queue.push(framevector);
  mutex.unlock();
  
  semaphore.post();
}

FrameVector *ThreadSafeQueueFIFO::pop()
{
  semaphore.wait();
  
  FrameVector *framevector;
  
  mutex.lock();
  framevector = queue.front();
  queue.pop();
  mutex.unlock();
  
  return framevector;
}

int ThreadSafeQueueFIFO::size()
{
  int sz;
  
  mutex.lock();
  sz = queue.size();
  mutex.unlock();
  
  return sz;
}